sdl-ios-xcode: src/video/glsdl/SDL

annotate src/video/glsdl/SDL_glsdl.c @ 1723:4bdbb9b2bd0a SDL-1.3

(none)

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 06 Jul 2006 05:53:32 +0000
parents	4da1ee79c9af
children

rev	line source
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 * glSDL "SDL-over-OpenGL" video driver implemented by
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 * David Olofson <david@olofson.net> and
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 * Stephane Marchesin <stephane.marchesin@wanadoo.fr>
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include <math.h>
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include "SDL.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include "SDL_error.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #include "SDL_video.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include "SDL_mouse.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include "../SDL_sysvideo.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #include "../SDL_pixels_c.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #include "SDL_glsdl.h"
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #undef DEBUG_GLSDL
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 #undef DEBUG_GLSDL_CHOP
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #define FAKE_MAXTEXSIZE 256
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #undef GLSDL_GRAPHICAL_DEBUG
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 /* Initialization/Query functions */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 /* Hardware surface functions */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	48 static int glSDL_SetColors(_THIS, int firstcolor, int ncolors,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	49 SDL_Color * colors);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	50 static int glSDL_AllocHWSurface(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	51 static int glSDL_LockHWSurface(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	52 static int glSDL_FlipHWSurface(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	53 static void glSDL_UnlockHWSurface(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	54 static void glSDL_FreeHWSurface(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	55 static int glSDL_FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * rect,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	56 Uint32 color);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	57 static int glSDL_CheckHWBlit(_THIS, SDL_Surface * src, SDL_Surface * dst);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	58 static int glSDL_SetHWColorKey(_THIS, SDL_Surface * surface, Uint32 key);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	59 static int glSDL_SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 alpha);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	60 static int glSDL_VideoInit(_THIS, SDL_PixelFormat * vformat);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	61 static SDL_Rect *glSDL_ListModes(_THIS, SDL_PixelFormat format,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	62 Uint32 flags);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	63 static void glSDL_VideoQuit(_THIS);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	64 static void glSDL_UpdateRects(_THIS, int numrects, SDL_Rect * rects);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	65 static SDL_Surface glSDL_SetVideoMode(_THIS, SDL_Surface current,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	66 int width, int height, int bpp,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	67 Uint32 flags);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 #define IS_GLSDL_SURFACE(s) ((s) && glSDL_GetTexInfo(s))
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 #define LOGIC_W(s) ( IS_GLSDL_SURFACE(this,s) ? TEXINFO(s)->lw : (s)->w )
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 #define LOGIC_H(s) ( IS_GLSDL_SURFACE(this,s) ? TEXINFO(s)->lh : (s)->h )
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 #define GLSDL_NOTEX (~0)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 * Special version for glSDL, which ignores the fake SDL_HWSURFACE
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 * flags, so we don't have SDL calling us back whenever we want to
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 * do some internal blitting...
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	81 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	82 glSDL_SoftBlit(SDL_Surface * src, SDL_Rect * srcrect,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	83 SDL_Surface * dst, SDL_Rect * dstrect)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	85 SDL_BlitInfo info;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	87 if (srcrect)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	88 if (!srcrect->w \|\| !srcrect->h)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	89 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	91 /* Check to make sure the blit mapping is valid */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	92 if ((src->map->dst != dst) \|\|
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	93 (src->map->dst->format_version != src->map->format_version))
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	94 if (SDL_MapSurface(src, dst) < 0)
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	95 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	97 /* Set up the blit information */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	98 if (srcrect) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	99 info.s_pixels = (Uint8 *) src->pixels +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	100 (Uint16) srcrect->y * src->pitch +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	101 (Uint16) srcrect->x * src->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	102 info.s_width = srcrect->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	103 info.s_height = srcrect->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	104 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	105 info.s_pixels = (Uint8 *) src->pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	106 info.s_width = src->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	107 info.s_height = src->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	108 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	109 info.s_skip = src->pitch - info.s_width * src->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	110 if (dstrect) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	111 info.d_pixels = (Uint8 *) dst->pixels +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	112 (Uint16) dstrect->y * dst->pitch +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	113 (Uint16) dstrect->x * dst->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	114 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	115 * NOTE: SDL_SoftBlit() uses the 'dstrect' for this!
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	116 * This version is more like SDL_BlitSurface().
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	117 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	118 info.d_width = srcrect->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	119 info.d_height = srcrect->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	120 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	121 info.d_pixels = (Uint8 *) dst->pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	122 info.d_width = dst->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	123 info.d_height = dst->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	124 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	125 info.d_skip = dst->pitch - info.d_width * dst->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	126 info.aux_data = src->map->sw_data->aux_data;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	127 info.src = src->format;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	128 info.table = src->map->table;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	129 info.dst = dst->format;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	131 src->map->sw_data->blit(&info);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 * Another special version. Doesn't lock/unlock, and doesn't mess
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 * with flags and stuff. It just converts the surface, period.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 * Does not convert into palletized formats.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	140 static SDL_Surface *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	141 glSDL_ConvertSurface(SDL_Surface * surface,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	142 SDL_PixelFormat * format, Uint32 flags)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	144 SDL_Surface *convert;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	145 Uint32 colorkey = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	146 Uint8 alpha = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	147 Uint32 surface_flags;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	148 SDL_Rect bounds;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	150 /* Create a new surface with the desired format */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	151 convert = SDL_CreateRGBSurface(flags,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	152 surface->w, surface->h,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	153 format->BitsPerPixel, format->Rmask,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	154 format->Gmask, format->Bmask,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	155 format->Amask);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	156 if (convert == NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	157 return (NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	158 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	160 /* Save the original surface color key and alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	161 surface_flags = surface->flags;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	162 if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	163 /* Convert colourkeyed surfaces to RGBA if requested */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	164 if ((flags & SDL_SRCCOLORKEY) != SDL_SRCCOLORKEY && format->Amask) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	165 surface_flags &= ~SDL_SRCCOLORKEY;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	166 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	167 colorkey = surface->format->colorkey;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	168 SDL_SetColorKey(surface, 0, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	169 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	170 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	171 if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	172 /* Copy over the alpha channel to RGBA if requested */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	173 if (format->Amask) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	174 surface->flags &= ~SDL_SRCALPHA;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	175 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	176 alpha = surface->format->alpha;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	177 SDL_SetAlpha(surface, 0, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	178 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	179 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	181 /* Copy over the image data */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	182 bounds.x = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	183 bounds.y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	184 bounds.w = surface->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	185 bounds.h = surface->h;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	186 glSDL_SoftBlit(surface, &bounds, convert, &bounds);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	188 /* Clean up the original surface, and update converted surface */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	189 if (convert != NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	190 SDL_SetClipRect(convert, &surface->clip_rect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	191 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	192 if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	193 Uint32 cflags = surface_flags & (SDL_SRCCOLORKEY \| SDL_RLEACCELOK);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	194 if (convert != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	195 Uint8 keyR, keyG, keyB;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	197 SDL_GetRGB(colorkey, surface->format, &keyR, &keyG, &keyB);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	198 SDL_SetColorKey(convert, cflags \| (flags & SDL_RLEACCELOK),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	199 SDL_MapRGB(convert->format, keyR, keyG, keyB));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	200 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	201 SDL_SetColorKey(surface, cflags, colorkey);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	202 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	203 if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	204 Uint32 aflags = surface_flags & (SDL_SRCALPHA \| SDL_RLEACCELOK);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	205 if (convert != NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	206 SDL_SetAlpha(convert, aflags \| (flags & SDL_RLEACCELOK), alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	207 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	208 if (format->Amask) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	209 surface->flags \|= SDL_SRCALPHA;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	210 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	211 SDL_SetAlpha(surface, aflags, alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	212 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	213 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	215 /* We're ready to go! */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	216 return (convert);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 /*----------------------------------------------------------
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 Some OpenGL function wrappers
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 ----------------------------------------------------------*/
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 static struct
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	226 int do_blend;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	227 int do_texture;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	228 GLuint texture;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	229 GLenum sfactor, dfactor;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 } glstate;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	232 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	233 glSDL_reset(void)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	235 glstate.do_blend = -1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	236 glstate.do_blend = -1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	237 glstate.texture = GLSDL_NOTEX;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	238 glstate.sfactor = 0xffffffff;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	239 glstate.dfactor = 0xffffffff;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	242 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	243 glSDL_do_blend(_THIS, int on)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	245 if (glstate.do_blend == on)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	246 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	248 if (on)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	249 this->glEnable(GL_BLEND);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	250 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	251 this->glDisable(GL_BLEND);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	252 glstate.do_blend = on;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	255 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	256 glSDL_do_texture(_THIS, int on)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	258 if (glstate.do_texture == on)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	259 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	261 if (on)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	262 this->glEnable(GL_TEXTURE_2D);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	263 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	264 this->glDisable(GL_TEXTURE_2D);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	265 glstate.do_texture = on;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	268 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	269 glSDL_blendfunc(_THIS, GLenum sfactor, GLenum dfactor)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	271 if ((sfactor == glstate.sfactor) && (dfactor == glstate.dfactor))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	272 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	274 this->glBlendFunc(sfactor, dfactor);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	276 glstate.sfactor = sfactor;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	277 glstate.dfactor = dfactor;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	280 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	281 glSDL_texture(_THIS, GLuint tx)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	283 if (tx == glstate.texture)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	284 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	286 this->glBindTexture(GL_TEXTURE_2D, tx);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	287 glstate.texture = tx;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 /*----------------------------------------------------------
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 glSDL specific data types
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 ----------------------------------------------------------*/
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 typedef enum
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	299 GLSDL_TM_SINGLE,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	300 GLSDL_TM_HORIZONTAL,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	301 GLSDL_TM_VERTICAL,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	302 GLSDL_TM_HUGE
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 } GLSDL_TileModes;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 typedef struct private_hwdata
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	308 /* Size of surface in logic screen pixels */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	309 int lw, lh;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	311 int textures;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	312 GLuint *texture;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	313 int texsize; /* width/height of OpenGL texture */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	314 GLSDL_TileModes tilemode;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	315 int tilew, tileh; /* At least one must equal texsize! */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	316 int tilespertex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	317 SDL_Rect virt; /* Total size of assembled surface */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	319 /* Area of surface to upload when/after unlocking */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	320 SDL_Rect invalid_area;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	322 int temporary; /* Throw away after one use. */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	324 SDL_Surface next; / The next Surface in our linked list of hardware surfaces ; == NULL if first surface */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	325 SDL_Surface prev; / The prev Surface in our linked list of hardware surfaces ; == NULL if last surface */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 } private_hwdata;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 /* some function prototypes */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	329 static void glSDL_Invalidate(SDL_Surface * surface, SDL_Rect * area);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	330 static void glSDL_SetLogicSize(_THIS, SDL_Surface * surface, int w, int h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	331 static private_hwdata glSDL_UploadSurface(_THIS, SDL_Surface surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	332 static private_hwdata glSDL_GetTexInfo(SDL_Surface surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	333 static void glSDL_init_formats(_THIS);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	334 static private_hwdata glSDL_AddTexInfo(_THIS, SDL_Surface surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	335 static void glSDL_RemoveTexInfo(_THIS, SDL_Surface * surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	336 static void glSDL_UnloadTexture(_THIS, private_hwdata * txi);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	337 static int glSDL_BlitGL(_THIS, SDL_Surface * src,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	338 SDL_Rect * srcrect, SDL_Rect * dstrect);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 /* some variables */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 static GLint maxtexsize = -1;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 static SDL_PixelFormat *RGBfmt = NULL;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 static SDL_PixelFormat *RGBAfmt = NULL;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 static void *mirrorbuf = NULL;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 /* the raw 888 opengl surface, hidden from the application */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	346 SDL_Surface *OpenGL_Surface;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 /* pointer to the beggining of the list used for memory allocation */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	349 SDL_Surface *first = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 #ifdef DEBUG_GLSDL
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	352 static __inline__ int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	353 GLERET(const char *txt)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	355 fprintf(stderr, "glSDL ERROR: '%s'\n", txt);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	356 return -1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 }
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	358 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	359 GLERR(const char *txt)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	361 fprintf(stderr, "glSDL ERROR: '%s'\n", txt);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 #else
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 #define GLERET(x) (-1)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 #define GLERR(x)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 static SDL_VideoDevice underlying_device;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 static int old_screen_flags;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 * List of video drivers known to support OpenGL
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 * The purpose of this is to make glSDL "portable" across
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 * all video backends that support OpenGL
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 static VideoBootStrap *opengl_bootstrap =
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 #if SDL_VIDEO_DRIVER_QUARTZ
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	378 &QZ_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 #elif SDL_VIDEO_DRIVER_X11
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	380 &X11_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 #elif SDL_VIDEO_DRIVER_WINDIB
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	382 &WINDIB_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 #elif SDL_VIDEO_DRIVER_BWINDOW
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	384 &BWINDOW_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 #elif SDL_VIDEO_DRIVER_TOOLBOX
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	386 &TOOLBOX_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 #elif SDL_VIDEO_DRIVER_CYBERGRAPHICS
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	388 &CGX_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 #elif SDL_VIDEO_DRIVER_PHOTON
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	390 &ph_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 #elif SDL_VIDEO_DRIVER_DC
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	392 &DC_bootstrap;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 #else
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	394 NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	397 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	398 glSDL_Available(void)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 {
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	401 fprintf(stderr, "available\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	403 if (opengl_bootstrap == NULL)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	404 return 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	405 return (opengl_bootstrap->available());
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	408 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	409 glSDL_DeleteDevice(SDL_VideoDevice * device)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	411 SDL_free(device->hidden);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	412 SDL_free(device);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 /* Create a glSDL device */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	416 static SDL_VideoDevice *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	417 glSDL_CreateDevice(int devindex)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	419 SDL_VideoDevice *device;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	421 fprintf(stderr, "entering createdevice\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	424 /* Create the device with the underlying driver */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	425 device = opengl_bootstrap->create(devindex);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	427 /* Save the video device contents for future use */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	428 SDL_memcpy(&underlying_device, device, sizeof(SDL_VideoDevice));
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	430 /* Hook glSDL on the video device */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	431 device->VideoInit = glSDL_VideoInit;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	432 device->ListModes = glSDL_ListModes;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	433 device->VideoQuit = glSDL_VideoQuit;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	434 device->UpdateRects = glSDL_UpdateRects;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	435 device->FillHWRect = glSDL_FillHWRect;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	436 device->SetHWColorKey = glSDL_SetHWColorKey;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	437 device->SetHWAlpha = glSDL_SetHWAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	438 device->AllocHWSurface = glSDL_AllocHWSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	439 device->LockHWSurface = glSDL_LockHWSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	440 device->UnlockHWSurface = glSDL_UnlockHWSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	441 device->FlipHWSurface = glSDL_FlipHWSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	442 device->FreeHWSurface = glSDL_FreeHWSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	443 device->CheckHWBlit = glSDL_CheckHWBlit;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	444 device->SetColors = glSDL_SetColors;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	445 device->SetVideoMode = glSDL_SetVideoMode;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	446 device->info.hw_available = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	447 device->info.blit_hw = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	448 device->info.blit_hw_CC = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	449 device->info.blit_hw_A = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	450 device->info.blit_sw = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	451 device->info.blit_sw_CC = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	452 device->info.blit_sw_A = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	453 device->info.blit_fill = 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	455 /* These functions are not supported by glSDL, so we NULLify them */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	456 device->SetGamma = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	457 device->GetGamma = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	458 device->SetGammaRamp = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	459 device->GetGammaRamp = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	460 device->ToggleFullScreen = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	462 device->free = glSDL_DeleteDevice;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	465 fprintf(stderr, "leaving createdevice\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	468 return device;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 /* Our bootstraping structure */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 VideoBootStrap glSDL_bootstrap = {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	473 "glSDL", "glSDL - SDL over OpenGL",
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	474 glSDL_Available, glSDL_CreateDevice
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 };
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	477 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	478 glSDL_VideoInit(_THIS, SDL_PixelFormat * vformat)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	480 int r;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	481 printf("glSDL videoinit\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	483 fprintf(stderr, "videoinit\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	485 r = underlying_device.VideoInit(this, vformat);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	486 this->info.hw_available = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	487 this->info.blit_hw = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	488 this->info.blit_hw_CC = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	489 this->info.blit_hw_A = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	490 this->info.blit_sw = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	491 this->info.blit_sw_CC = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	492 this->info.blit_sw_A = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	493 this->info.blit_fill = 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	495 return r;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	498 SDL_Rect **
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	499 glSDL_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	501 return ((SDL_Rect **) - 1);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	504 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	505 glSDL_VideoQuit(_THIS)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	507 SDL_Surface *scr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	508
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	509 /* free all hwdata structures */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	510 while (first != NULL)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	511 glSDL_RemoveTexInfo(this, first);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	513 SDL_free(mirrorbuf);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	514 mirrorbuf = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	516 SDL_FreeFormat(RGBfmt);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	517 SDL_FreeFormat(RGBAfmt);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	518 RGBfmt = RGBAfmt = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	520 SDL_FreeFormat(this->displayformatalphapixel);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	521 this->displayformatalphapixel = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	523 SDL_FreeSurface(OpenGL_Surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	524 OpenGL_Surface = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	525
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	526 /* restore the flags to gracefully exit from fullscreen */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	527 this->screen->flags = old_screen_flags;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	529 /* keep the screen */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	530 scr = this->screen;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	532 /* we cleaned up our stuff, now restore the underlying video driver */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	533 SDL_memcpy(this, &underlying_device, sizeof(SDL_VideoDevice));
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	535 this->screen = scr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	536
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	537 /* call the underlying video driver's VideoQuit function */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	538 this->VideoQuit(this);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	541 static SDL_Surface *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	542 glSDL_SetVideoMode(_THIS, SDL_Surface * current, int width, int height,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	543 int bpp, Uint32 flags)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	545 SDL_Surface *hooked_screen;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	546 int i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	547 int flag_doublebuf = 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	549 if (opengl_bootstrap == NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	550 GLERR("No bootstrap for glSDL compiled in !\n");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	551 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	552 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	553
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	554 /* we don't have OpenGL */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	555 if ((flags & SDL_INTERNALOPENGL) == SDL_INTERNALOPENGL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	556 GLERR("OpenGL video modes are not supported by glSDL !\n");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	557 return (NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	558 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	560 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	561 * Adjust the flags
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	562 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	563 flags &= ~SDL_HWPALETTE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	564 flags \|= SDL_INTERNALOPENGL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	566 /* remember whether the user requested DOUBLEBUF */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	568 if (flags & SDL_DOUBLEBUF) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	569 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	570 flag_doublebuf = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	571 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	572 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	573 flag_doublebuf = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	574 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	576 hooked_screen =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	577 underlying_device.SetVideoMode(this, current, width, height, 0,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	578 flags);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	579
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	580 if (!hooked_screen) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	581 GLERR("Unable to open an OpenGL window !\n");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	582 return (NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	583 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	584
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	585 /* save the screen flags for restore time */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	586 old_screen_flags = hooked_screen->flags;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	589 fprintf(stderr, "got %d bpp\n", bpp);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	592 /* setup the public surface format
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	593 * glSDL always returns the bpp its asked
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	594 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	595 switch (bpp) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	596 case 32:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	597 this->is_32bit = 1;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	598 this->screen = SDL_CreateRGBSurface(flags, width, height, bpp,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	600 0x00FF0000,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	601 0x0000FF00, 0x000000FF, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	603 0x0000FF00,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	604 0x00FF0000, 0xFF000000, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	606 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	607 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	608 case 24:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	609 this->is_32bit = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	610 this->screen = SDL_CreateRGBSurface(flags, width, height, bpp,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	612 0x00FF0000,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	613 0x0000FF00, 0x000000FF, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	615 0x0000FF00,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	616 0x00FF0000, 0xFF000000, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	618 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	619 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	620 case 16:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	621 this->is_32bit = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	622 this->screen = SDL_CreateRGBSurface(flags, width, height, bpp,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	624 0x0000F800,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	625 0x000007E0, 0x0000001F, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	627 0x0000001F,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	628 0x000007E0, 0x0000F800, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	630 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	631 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	632 case 15:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	633 this->is_32bit = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	634 this->screen = SDL_CreateRGBSurface(flags, width, height, bpp,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	636 0x00007C00,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	637 0x000003E0, 0x0000001F, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	639 0x0000001F,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	640 0x000003E0, 0x00007C00, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	642 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	643 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	644 case 8:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	645 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	646 this->is_32bit = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	647 this->screen =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	648 SDL_CreateRGBSurface(flags, width, height, bpp, 0, 0, 0, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	649 /* give it a default palette if 8 bpp
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	650 * note : SDL already takes care of the palette for 4 bits & 1 bit surfaces
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	651 */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 /* if (bpp==8)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 {
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 this->screen->format->palette->ncolors=255;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 SDL_DitherColors(this->screen->format->palette->colors,bpp);
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 }*/
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	657 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	658 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	660 /* also, we add SDL_HWSURFACE all the time, and let SDL create a shadow surface accordingly */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	661 this->screen->flags =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	662 hooked_screen->flags \| SDL_HWSURFACE \| SDL_INTERNALOPENGL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	663 /* add SDL_DOUBLEBUF if it was requested */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	664 if (flag_doublebuf)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	665 this->screen->flags \|= SDL_DOUBLEBUF;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	667 /* Tell SDL the alpha pixel format we'd like to have */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	668 this->displayformatalphapixel = SDL_AllocFormat(32,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	670 0xFF000000,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	671 0x00FF0000,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	672 0x0000FF00, 0x000000FF
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	674 0x000000FF,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	675 0x0000FF00,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	676 0x00FF0000, 0xFF000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	678 );
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	680 /* Now create the raw OpenGL surface */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	681 OpenGL_Surface = SDL_CreateRGBSurface(flags, width, height, 24,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	683 0x000000FF,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	684 0x0000FF00, 0x00FF0000, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	686 0xFF000000,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	687 0x00FF0000, 0x0000FF00, 0x00000000
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	689 );
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	691 /* Here we have to setup OpenGL funcs ourselves */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 #ifndef __QNXNTO__
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 #define SDL_PROC(ret,func,params) \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 do { \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 this->func = SDL_GL_GetProcAddress(#func); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 if ( ! this->func ) { \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 SDL_SetError("Couldn't load GL function: %s\n", #func); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 return(NULL); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 } \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 } while ( 0 );
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 #else
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 #define SDL_PROC(ret,func,params) this->func=func;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 #endif /* __QNXNTO__ */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 #include "../SDL_glfuncs.h"
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	705 #undef SDL_PROC
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	707 if (this->GL_MakeCurrent(this) < 0)
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	708 return (NULL);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 #define SDL_PROC(ret,func,params) \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 do { \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 this->func = SDL_GL_GetProcAddress(#func); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 if ( ! this->func ) { \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 SDL_SetError("Couldn't load GL function: %s\n", #func); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 return(NULL); \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 } \
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 } while ( 0 );
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 #include "../SDL_glfuncs.h"
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	718 #undef SDL_PROC
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 #ifdef FAKE_MAXTEXSIZE
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	722 maxtexsize = FAKE_MAXTEXSIZE;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	724 this->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxtexsize);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	727 fprintf(stderr, "glSDL: Max texture size: %d\n", maxtexsize);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	730 glSDL_init_formats(this);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	732 if (flag_doublebuf)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	733 this->glDrawBuffer(GL_BACK);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	734 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	735 this->glDrawBuffer(GL_FRONT);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	736
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	737 this->glDisable(GL_DITHER);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	739 if (glSDL_AddTexInfo(this, this->screen) < 0) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	740 GLERR("HookDevice() failed to add info to screen surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	741 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	742 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	744 glSDL_SetLogicSize(this, this->screen, this->screen->w, this->screen->h);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	746 glSDL_do_texture(this, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	747 glSDL_do_blend(this, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	749 for (i = 0; i < 1 + flag_doublebuf; ++i) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	750 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	751 this->glColor3ub(0, 0, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	752 this->glVertex2i(0, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	753 this->glVertex2i(this->screen->w, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	754 this->glVertex2i(this->screen->w, this->screen->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	755 this->glVertex2i(0, this->screen->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	756 this->glEnd();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	757 if (!i)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	758 this->GL_SwapBuffers(this);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	759 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	761 mirrorbuf = SDL_malloc(this->screen->h * this->screen->pitch);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	762 if (!mirrorbuf) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	763 GLERR("HookDevice() failed to allocate temp buffer for mirroring!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	764 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	765 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	767 return this->screen;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	770 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	771 glSDL_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	773 /* We don't need to fill this one */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	774 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 #ifdef DEBUG_GLSDL
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	779 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	780 glSDL_print_glerror(_THIS, int point)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	782 const char *err = "<unknown>";
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	783 switch (this->glGetError()) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	784 case GL_NO_ERROR:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	785 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	786 case GL_INVALID_ENUM:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	787 err = "GL_INVALID_ENUM";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	788 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	789 case GL_INVALID_VALUE:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	790 err = "GL_INVALID_VALUE";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	791 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	792 case GL_INVALID_OPERATION:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	793 err = "GL_INVALID_OPERATION";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	794 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	795 case GL_STACK_OVERFLOW:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	796 err = "GL_STACK_OVERFLOW";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	797 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	798 case GL_STACK_UNDERFLOW:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	799 err = "GL_STACK_UNDERFLOW";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	800 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	801 case GL_OUT_OF_MEMORY:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	802 err = "GL_OUT_OF_MEMORY";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	803 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	804 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	805 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	806 fprintf(stderr, "OpenGL error \"%s\" at point %d.\n", err, point);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 /* Get texinfo for a surface. */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	811 static __inline__ private_hwdata *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	812 glSDL_GetTexInfo(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	814 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	815 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	816 return surface->hwdata;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 /* Allocate a "blank" texinfo for a suface. */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	821 static private_hwdata *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	822 glSDL_AllocTexInfo(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	824 private_hwdata *txi;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	825 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	826 return NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	828 txi = glSDL_GetTexInfo(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	829 if (txi)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	830 return txi; /* There already is one! --> */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	832 /* ...and hook a new texinfo struct up to it. */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	833 txi = (private_hwdata *) SDL_calloc(1, sizeof(private_hwdata));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	834 if (!txi) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	835 GLERR("AllocTexInfo(): Failed allocating TexInfo struct!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	836 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	837 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	838 txi->temporary = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	839 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	840 fprintf(stderr, "glSDL: Allocated TexInfo %p.\n", txi);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	842 return txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	846 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	847 glSDL_FreeTexInfo(_THIS, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	849 if (!txi)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	850 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	852 glSDL_UnloadTexture(this, txi);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	853 SDL_free(txi->texture);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	854 SDL_free(txi);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	856 fprintf(stderr, "glSDL: Freed TexInfo %p.\n", txi);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 /* Detach and free the texinfo of a surface. */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	862 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	863 glSDL_RemoveTexInfo(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	865 SDL_Surface next, prev;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	866 if (!glSDL_GetTexInfo(surface))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	867 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	869 /* maintain our doubly linked list */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	870 next = surface->hwdata->next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	871 prev = surface->hwdata->prev;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	872 if (prev != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	873 prev->hwdata->next = next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	874 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	875 first = next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	876 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	877 if (next != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	878 next->hwdata->prev = prev;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	879 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	881 glSDL_FreeTexInfo(this, surface->hwdata);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	882 surface->hwdata = NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 * Calculate chopping/tiling of a surface to
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 * fit it into the smallest possible OpenGL
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 * texture.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	891 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	892 glSDL_CalcChop(private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	894 int rows, vw, vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	895 int vertical = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	896 int texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	897 int lastw, lasth, minsize;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	899 vw = txi->virt.w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	900 vh = txi->virt.h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	903 fprintf(stderr, "w=%d, h=%d ", vw, vh);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	904 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	905 if (vh > vw) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	906 int t = vw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	907 vw = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	908 vh = t;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	909 vertical = 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	911 fprintf(stderr, "(vertical) \t");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	913 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	915 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	916 * Check whether this is a "huge" surface - at least one dimension
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	917 * must be <= than the maximum texture size, or we'll have to chop
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	918 * in both directions.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	919 */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920 #ifdef DEBUG_GLSDL
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	921 if (maxtexsize < 0)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	922 return GLERET("glSDL_CalcChop() called before OpenGL init!");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	924 if (vh > maxtexsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	925 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	926 * Very simple hack for now; we just tile
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	927 * both ways with maximum size textures.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	928 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	929 texsize = maxtexsize;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	931 txi->tilemode = GLSDL_TM_HUGE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	932 txi->texsize = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	933 txi->tilew = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	934 txi->tileh = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	935 txi->tilespertex = 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	937 /* Calculate number of textures needed */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	938 txi->textures = (vw + texsize - 1) / texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	939 txi->textures *= (vh + texsize - 1) / texsize;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	940 txi->texture = SDL_malloc(txi->textures * sizeof(int));
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	941 SDL_memset(txi->texture, -1, txi->textures * sizeof(int));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	942 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	943 fprintf(stderr, "two-way tiling; textures=%d\n", txi->textures);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	945 if (!txi->texture) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	946 fprintf(stderr, "glSDL: INTERNAL ERROR: Failed to allocate"
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	947 " texture name table!\n");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	948 return -3;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	949 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	950 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	951 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	953 /* Calculate minimum size */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	954 rows = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	955 lastw = vw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	956 lasth = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	957 minsize = lastw > lasth ? lastw : lasth;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	958 while (1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	959 int w, h, size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	960 ++rows;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	961 w = vw / rows;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	962 h = rows * vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	963 size = w > h ? w : h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	964 if (size >= minsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	965 --rows;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	966 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	967 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	968 lastw = w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	969 lasth = h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	970 minsize = size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	971 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	972 if (minsize > maxtexsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	973 /* Handle multiple textures for very wide/tall surfaces. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	974 minsize = maxtexsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	975 rows = (vw + minsize - 1) / minsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	976 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	978 fprintf(stderr, "==> minsize=%d ", minsize);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	979 fprintf(stderr, "(rows=%d) \t", rows);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	980 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	982 /* Recalculate with nearest higher power-of-2 width. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	983 for (texsize = 1; texsize < minsize; texsize <<= 1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	984 txi->texsize = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	985 rows = (vw + texsize - 1) / texsize;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	987 fprintf(stderr, "==> texsize=%d (rows=%d) \t", texsize, rows);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	988 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	990 /* Calculate number of tiles per texture */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	991 txi->tilespertex = txi->texsize / vh;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	993 fprintf(stderr, "tilespertex=%d \t", txi->tilespertex);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	994 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	995
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	996 /* Calculate number of textures needed */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	997 txi->textures = (rows + txi->tilespertex - 1) / txi->tilespertex;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	998 txi->texture = (GLuint ) SDL_malloc(txi->textures sizeof(GLuint));
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	999 SDL_memset(txi->texture, GLSDL_NOTEX, txi->textures * sizeof(GLuint));
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1001 fprintf(stderr, "textures=%d, ", txi->textures);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1002 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1003 if (!txi->texture)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1004 return GLERET("Failed to allocate texture name table!");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1005
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1006 /* Set up tile size. (Only one axis supported here!) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1007 if (1 == rows) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1008 txi->tilemode = GLSDL_TM_SINGLE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1009 if (vertical) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1010 txi->tilew = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1011 txi->tileh = vw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1012 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1013 txi->tilew = vw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1014 txi->tileh = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1015 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1016 } else if (vertical) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1017 txi->tilemode = GLSDL_TM_VERTICAL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1018 txi->tilew = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1019 txi->tileh = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1020 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1021 txi->tilemode = GLSDL_TM_HORIZONTAL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1022 txi->tilew = texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1023 txi->tileh = vh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1024 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1025
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1026 #ifdef DEBUG_GLSDL_CHOP
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1027 fprintf(stderr, "tilew=%d, tileh=%d\n", txi->tilew, txi->tileh);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1028 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1029 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1030 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1031
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1032
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1033 /* Create a temporary TexInfo struct for an SDL_Surface */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1034 static private_hwdata *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1035 glSDL_CreateTempTexInfo(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1036 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1037 private_hwdata *txi;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1038 if (!surface) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1039 GLERR("CreateTempTexInfo(); no surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1040 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1041 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1042 if (IS_GLSDL_SURFACE(surface))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1043 return glSDL_GetTexInfo(surface); /* Do nothing */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1045 txi = glSDL_AllocTexInfo(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1046 if (!txi) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1047 GLERR("CreateTempTexInfo(); Could not alloc TexInfo!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1048 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1049 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1050 txi->virt.w = txi->lw = surface->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1051 txi->virt.h = txi->lh = surface->h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1052
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1053 if (glSDL_CalcChop(txi) < 0) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1054 glSDL_FreeTexInfo(this, txi);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1055 GLERR("CreateTempTexInfo(); CalcChop() failed!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1056 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1057 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1059 return txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1060 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1061
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1062 /* Add a glSDL_TexInfo struct to an SDL_Surface */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1063 static private_hwdata *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1064 glSDL_AddTexInfo(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1065 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1066 private_hwdata *txi = glSDL_CreateTempTexInfo(this, surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1067 if (!txi)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1068 return NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1069
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1070 /* Connect the surface to the new TexInfo. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1071 txi->temporary = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1072 surface->hwdata = txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1073
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1074 /* add this new surface in front of the list of hw surfaces */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1075 txi->next = first;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1076 txi->prev = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1077 first = surface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1078 if (txi->next != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1079 txi->next->hwdata->prev = surface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1080 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1081
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1082 SDL_SetClipRect(surface, &txi->virt);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1083 return txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1084 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1085
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1086
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1087 /* Create a surface of the prefered OpenGL RGB texture format */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1088 /static SDL_Surface glSDL_CreateRGBSurface(int w, int h)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1089 {
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1090 SDL_Surface *s;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1091 Uint32 rmask, gmask, bmask;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1092 int bits = 24;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1093 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1094 rmask = 0x000000FF;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1095 gmask = 0x0000FF00;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1096 bmask = 0x00FF0000;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1097 #else
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1098 rmask = 0x00FF0000;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1099 gmask = 0x0000FF00;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1100 bmask = 0x000000FF;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1101 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1102 s = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h,
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1103 bits, rmask, gmask, bmask, 0);
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1104 if(s)
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1105 s->flags \|= SDL_HWACCEL;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1106
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1107 return s;
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1108 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1109 */
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1110
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1111 /* Create a surface of the prefered OpenGL RGBA texture format */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1112 static SDL_Surface *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1113 glSDL_CreateRGBASurface(int w, int h)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1114 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1115 SDL_Surface *s;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1116 Uint32 rmask, gmask, bmask, amask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1117 int bits = 32;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1118 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1119 rmask = 0x000000FF;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1120 gmask = 0x0000FF00;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1121 bmask = 0x00FF0000;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1122 amask = 0xFF000000;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1123 #else
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1124 rmask = 0xFF000000;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1125 gmask = 0x00FF0000;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1126 bmask = 0x0000FF00;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1127 amask = 0x000000FF;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1128 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1129 s = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1130 bits, rmask, gmask, bmask, amask);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1131 if (s)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1132 s->flags \|= SDL_HWACCEL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1133
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1134 return s;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1135 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1136
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1137
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1138 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1139 glSDL_init_formats(_THIS)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1140 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1141 RGBfmt = SDL_AllocFormat(24,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1142 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1143 0x000000FF, 0x0000FF00, 0x00FF0000, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1144 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1145 0x00FF0000, 0x0000FF00, 0x000000FF, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1146 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1147 RGBAfmt = SDL_AllocFormat(32,
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1149 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1150 #else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1151 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1153 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1154
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1155
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1156 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1157 glSDL_FormatIsOk(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1158 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1159 SDL_PixelFormat *pf;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1160 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1161 return 1; /* Well, there ain't much we can do anyway... */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1162
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1163 pf = surface->format;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1164
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1165 /* Colorkeying requires an alpha channel! */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1166 if (surface->flags & SDL_SRCCOLORKEY)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1167 if (!pf->Amask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1168 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1169
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1170 /* We need pitch == (width * BytesPerPixel) for glTex[Sub]Image2D() */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1171 if (surface->pitch != (surface->w * pf->BytesPerPixel))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1172 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1173
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1174 if (pf->Amask) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1175 if (pf->BytesPerPixel != RGBAfmt->BytesPerPixel)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1176 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1177 if (pf->Rmask != RGBAfmt->Rmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1178 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1179 if (pf->Gmask != RGBAfmt->Gmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1180 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1181 if (pf->Bmask != RGBAfmt->Bmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1182 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1183 if (pf->Amask != RGBAfmt->Amask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1184 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1185 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1186 if (pf->BytesPerPixel != RGBfmt->BytesPerPixel)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1187 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1188 if (pf->Rmask != RGBfmt->Rmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1189 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1190 if (pf->Gmask != RGBfmt->Gmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1191 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1192 if (pf->Bmask != RGBfmt->Bmask)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1193 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1194 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1195 return 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1196 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1197
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1198 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1199 glSDL_key2alpha(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1200 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1201 int x, y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1202 Uint32 ckey = surface->format->colorkey;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1205 fprintf(stderr, "glSDL_key2alpha()\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1206 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1207 for (y = 0; y < surface->h; ++y) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1208 Uint32 *px =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1209 (Uint32 ) ((char ) surface->pixels + y * surface->pitch);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1210 for (x = 0; x < surface->w; ++x)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1211 if (px[x] == ckey)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1212 px[x] = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1213 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1214 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1215
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1216
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1217
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1218 /*----------------------------------------------------------
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1219 SDL style API
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1220 ----------------------------------------------------------*/
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1221
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1222 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1223 glSDL_FlipHWSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1224 {
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1225 #ifdef GLSDL_GRAPHICAL_DEBUG
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1226 this->glDisable(GL_TEXTURE_2D);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1227 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1228 this->glColor4ub(0, 0, 255, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1229 this->glVertex2i(0, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1230 this->glVertex2i(surface->w, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1231 this->glVertex2i(surface->w, surface->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1232 this->glVertex2i(0, surface->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1233 this->glEnd();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1234 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1235 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1236 if (this->screen->flags & SDL_DOUBLEBUF)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1237 this->GL_SwapBuffers(this);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1238 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1239 this->glFinish();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1240 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1241 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1242
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1243
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1244 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1245 glSDL_UpdateRects(_THIS, int numrects, SDL_Rect * rects)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1246 {
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1247 #ifdef GLSDL_GRAPHICAL_DEBUG
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1248 int i;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1249 this->glDisable(GL_TEXTURE_2D);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1250 for (i = 0; i < numrects; i++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1251 this->glColor4ub(255, 0, 0, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1252 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1253 this->glVertex2i(rects[i].x, rects[i].y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1254 this->glVertex2i(rects[i].x + rects[i].w, rects[i].y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1255 this->glVertex2i(rects[i].x + rects[i].w, rects[i].y + rects[i].h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1256 this->glVertex2i(rects[i].x, rects[i].y + rects[i].h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1257 this->glEnd();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1258 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1259 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1260 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1261 if (this->screen->flags & SDL_DOUBLEBUF)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1262 this->GL_SwapBuffers(this);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1263 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1264 this->glFinish();
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1265 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1266
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1267
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1268 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1269 glSDL_AllocHWSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1270 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1271 surface->flags \|= (SDL_HWSURFACE \| SDL_HWACCEL);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1272
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1273 surface->pixels = SDL_malloc(surface->h * surface->pitch);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1274 if (surface->pixels == NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1275 SDL_FreeSurface(surface);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1276 SDL_OutOfMemory();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1277 return (-1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1278 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1279 SDL_memset(surface->pixels, 0, surface->h * surface->pitch);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1280 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1281 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1282
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1283
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1284 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1285 glSDL_FreeHWSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1286 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1287 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1288 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1289 glSDL_RemoveTexInfo(this, surface);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1290 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1291
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1292
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1293 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1294 glSDL_LockHWSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1295 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1296 int y;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1298 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1299 return -1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1300
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1301 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1302 fprintf(stderr, "glSDL: Lock Surface.\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1303 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1304
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1305 if (SDL_VideoSurface == surface) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1306 glSDL_Invalidate(surface, NULL);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1307 this->glPixelStorei(GL_UNPACK_ROW_LENGTH,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1308 surface->pitch / surface->format->BytesPerPixel);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1309 this->glReadPixels(0, 0, OpenGL_Surface->w, OpenGL_Surface->h,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1310 GL_RGB, GL_UNSIGNED_BYTE, OpenGL_Surface->pixels);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1311 for (y = 0; y < OpenGL_Surface->h / 2; ++y) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1312 void upper = (Uint8 ) OpenGL_Surface->pixels +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1313 OpenGL_Surface->pitch * y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1314 void lower = (Uint8 ) OpenGL_Surface->pixels +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1315 OpenGL_Surface->pitch * (OpenGL_Surface->h - y - 1);
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1316 SDL_memcpy(mirrorbuf, upper, OpenGL_Surface->pitch);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1317 SDL_memcpy(upper, lower, OpenGL_Surface->pitch);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1318 SDL_memcpy(lower, mirrorbuf, OpenGL_Surface->pitch);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1319 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1320 /* the mapping has to be invalidated on 8bpp video surfaces in case of a hw palette change.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1321 * Now if someone could tell me why this is not handled by SDL... */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1322 if (SDL_VideoSurface->format->BitsPerPixel == 8)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1323 SDL_InvalidateMap(OpenGL_Surface->map);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1324
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1325 /* convert this raw surface to the application-requested format
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1326 * FIXME this is sometimes overkill, we could use glPixelStore smartly
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1327 * But this would be slow anyway :) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1328
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1329 glSDL_SoftBlit(OpenGL_Surface, NULL, SDL_VideoSurface, NULL);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1330 } else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1331 glSDL_Invalidate(surface, NULL);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1332
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1333 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1334 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1335
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1336
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1337 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1338 glSDL_UnlockHWSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1339 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1340 private_hwdata *txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1341
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1342 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1343 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1344
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1345 /* upload this surface ONLY if this is a glSDL surface
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1346 * because sometimes (during displayformating for ex.) surfaces are unlocked that aren't glSDL
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1347 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1348 if (!IS_GLSDL_SURFACE(surface))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1349 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1350
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1351 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1352 fprintf(stderr, "glSDL: Unlock Surface.\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1353 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1355 txi = glSDL_UploadSurface(this, surface);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1357 if (!txi) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1358 GLERR("glSDL_UnlockHWSurface() failed to upload surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1359 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1360 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1361 if (txi->temporary) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1362 GLERR
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1363 ("Weirdness... glSDL_UnlockHWSurface() got a temporary TexInfo.");
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1364 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1365 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1366 if (surface == SDL_VideoSurface)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1367 glSDL_BlitGL(this, SDL_VideoSurface, NULL, NULL);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1369
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1370
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1371 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1372 glSDL_SetHWColorKey(_THIS, SDL_Surface * surface, Uint32 key)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1373 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1374 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1375 * If an application does this after SDL_DisplayFormat,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1376 * we're basically screwed, unless we want to do an
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1377 * in-place surface conversion hack here.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1378 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1379 * What we do is just kill the glSDL texinfo... No big
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1380 * deal in most cases, as glSDL only converts once anyway,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1381 * unless you keep modifying the surface.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1382 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1383 if (IS_GLSDL_SURFACE(surface))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1384 glSDL_RemoveTexInfo(this, surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1385 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1387
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1388
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1389 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1390 glSDL_SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 alpha)
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1391 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1392 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1393 * If an application does this after SDL_DisplayFormat,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1394 * we're basically screwed, unless we want to do an
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1395 * in-place surface conversion hack here.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1396 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1397 * What we do is just kill the glSDL texinfo... No big
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1398 * deal in most cases, as glSDL only converts once anyway,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1399 * unless you keep modifying the surface.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1400 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1401 if (IS_GLSDL_SURFACE(surface))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1402 glSDL_RemoveTexInfo(this, surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1403 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1404 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1405
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1406 static SDL_bool
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1407 glSDL_SetClipRect(_THIS, SDL_Surface * surface, SDL_Rect * rect)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1408 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1409 SDL_bool res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1410 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1411 return SDL_FALSE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1412
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1413 res = SDL_SetClipRect(surface, rect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1414 if (!res)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1415 return SDL_FALSE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1416
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1417 rect = &surface->clip_rect;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1418
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1419 if (surface == SDL_VideoSurface) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1420 SDL_Rect r;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1421 float xscale, yscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1422 private_hwdata *txi;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1423
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1424 r.x = rect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1425 r.y = rect->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1426 r.w = rect->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1427 r.h = rect->h;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1428 SDL_SetClipRect(surface, rect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1429
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1430 txi = glSDL_GetTexInfo(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1431 if (!txi)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1432 return GLERET("SetClipRect(): Could not get TexInfo!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1433
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1434 this->glViewport(rect->x,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1435 surface->h - (rect->y + rect->h), rect->w, rect->h);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1436 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1437 * Note that this projection is upside down in
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1438 * relation to the OpenGL coordinate system.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1439 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1440 this->glMatrixMode(GL_PROJECTION);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1441 this->glLoadIdentity();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1442 xscale = (float) txi->lw / (float) surface->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1443 yscale = (float) txi->lh / (float) surface->h;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1444 this->glOrtho(xscale * (float) rect->x,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1445 xscale * (float) (rect->w + rect->x),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1446 yscale * (float) (rect->h + rect->y),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1447 yscale * (float) rect->y, -1.0, 1.0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1448 return SDL_TRUE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1449 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1450 return res;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1451 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1452
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1453 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1454 glSDL_BlitFromGL(_THIS, SDL_Rect * srcrect,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1455 SDL_Surface * dst, SDL_Rect * dstrect)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1456 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1457 SDL_Rect sr, dr;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1458
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1459 /* In case the destination has an OpenGL texture... */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1460 glSDL_Invalidate(dst, dstrect);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1461
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1462 /* Abuse the fake screen buffer a little. */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1463 this->glPixelStorei(GL_UNPACK_ROW_LENGTH, SDL_VideoSurface->pitch /
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1464 SDL_VideoSurface->format->BytesPerPixel);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1465 if (srcrect)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1466 this->glReadPixels(srcrect->x,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1467 OpenGL_Surface->h - (srcrect->y + srcrect->h - 1),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1468 srcrect->w, srcrect->h, GL_RGB, GL_UNSIGNED_BYTE,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1469 OpenGL_Surface->pixels);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1470 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1471 this->glReadPixels(0, 0, OpenGL_Surface->w, OpenGL_Surface->h,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1472 GL_RGB, GL_UNSIGNED_BYTE, OpenGL_Surface->pixels);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1473 sr = *srcrect;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1474 dr = *dstrect;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1475 glSDL_SoftBlit(OpenGL_Surface, &sr, dst, &dr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1476 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1477 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1478
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1479 static __inline__ void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1480 glSDL_BlitGL_single(_THIS, private_hwdata * txi,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1481 float sx1, float sy1, SDL_Rect * dst, unsigned char alpha)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1482 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1483 float sx2, sy2, texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1484 if (!txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1485 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1486 if (-1 == txi->texture[0])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1487 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1488 glSDL_texture(this, txi->texture[0]);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1489
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1490 texscale = 1.0 / (float) txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1491 sx2 = (sx1 + (float) dst->w) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1492 sy2 = (sy1 + (float) dst->h) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1493 sx1 *= texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1494 sy1 *= texscale;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1495
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1496 #ifdef GLSDL_GRAPHICAL_DEBUG
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1497 this->glDisable(GL_TEXTURE_2D);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1498 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1499 this->glColor4ub(0, 255, 0, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1500 this->glVertex2i(dst->x, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1501 this->glVertex2i(dst->x + dst->w, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1502 this->glVertex2i(dst->x + dst->w, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1503 this->glVertex2i(dst->x, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1504 this->glEnd();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1505 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1506 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1507
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1508 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1509 this->glColor4ub(255, 255, 255, alpha);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1510 this->glTexCoord2f(sx1, sy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1511 this->glVertex2i(dst->x, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1512 this->glTexCoord2f(sx2, sy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1513 this->glVertex2i(dst->x + dst->w, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1514 this->glTexCoord2f(sx2, sy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1515 this->glVertex2i(dst->x + dst->w, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1516 this->glTexCoord2f(sx1, sy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1517 this->glVertex2i(dst->x, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1518 this->glEnd();
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1519 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1520
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1521
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1522 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1523 glSDL_BlitGL_htile(_THIS, private_hwdata * txi,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1524 float sx1, float sy1, SDL_Rect * dst, unsigned char alpha)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1525 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1526 int tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1527 float tile, sx2, sy2, yo;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1528 float texscale = 1.0 / (float) txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1529 float tileh = (float) txi->tileh * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1530 sx2 = (sx1 + (float) dst->w) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1531 sy2 = (sy1 + (float) dst->h) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1532 sx1 *= texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1533 sy1 *= texscale;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1534 tile = floor(sx1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1535 tex = (int) tile / txi->tilespertex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1536 yo = ((int) tile % txi->tilespertex) * tileh;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1537
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1538 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1539 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1540 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1541 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1542 glSDL_texture(this, txi->texture[tex]);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1543
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1544 while (tile < sx2) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1545 int tdx1 = dst->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1546 int tdx2 = dst->x + dst->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1547 float tsx1 = sx1 - tile;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1548 float tsx2 = sx2 - tile;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1549
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1550 /* Clip to current tile */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1551 if (tsx1 < 0.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1552 tdx1 -= tsx1 * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1553 tsx1 = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1554 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1555 if (tsx2 > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1556 tdx2 -= (tsx2 - 1.0) * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1557 tsx2 = 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1558 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1559
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1560 /* Maybe select next texture? */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1561 if (yo + tileh > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1562 ++tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1563 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1564 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1565 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1566 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1567 glSDL_texture(this, txi->texture[tex]);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1568 yo = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1569 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1570 #ifdef GLSDL_GRAPHICAL_DEBUG
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1571 this->glDisable(GL_TEXTURE_2D);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1572 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1573 this->glColor4ub(0, 255, 0, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1574 this->glVertex2i(tdx1, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1575 this->glVertex2i(tdx2, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1576 this->glVertex2i(tdx2, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1577 this->glVertex2i(tdx1, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1578 this->glEnd();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1579 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1580 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1581
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1582 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1583 this->glColor4ub(255, 255, 255, alpha);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1584 this->glTexCoord2f(tsx1, yo + sy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1585 this->glVertex2i(tdx1, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1586 this->glTexCoord2f(tsx2, yo + sy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1587 this->glVertex2i(tdx2, dst->y);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1588 this->glTexCoord2f(tsx2, yo + sy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1589 this->glVertex2i(tdx2, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1590 this->glTexCoord2f(tsx1, yo + sy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1591 this->glVertex2i(tdx1, dst->y + dst->h);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1592 this->glEnd();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1593 tile += 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1594 yo += tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1595 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1596 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1597
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1598
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1599 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1600 glSDL_BlitGL_vtile(_THIS, private_hwdata * txi,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1601 float sx1, float sy1, SDL_Rect * dst, unsigned char alpha)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1602 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1603 int tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1604 float tile, sx2, sy2, xo;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1605 float texscale = 1.0 / (float) txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1606 float tilew = (float) txi->tilew * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1607 sx2 = (sx1 + (float) dst->w) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1608 sy2 = (sy1 + (float) dst->h) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1609 sx1 *= texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1610 sy1 *= texscale;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1611 tile = floor(sy1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1612 tex = (int) tile / txi->tilespertex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1613 xo = ((int) tile % txi->tilespertex) * tilew;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1614
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1615 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1616 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1617 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1618 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1619 glSDL_texture(this, txi->texture[tex]);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1620
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1621 while (tile < sy2) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1622 int tdy1 = dst->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1623 int tdy2 = dst->y + dst->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1624 float tsy1 = sy1 - tile;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1625 float tsy2 = sy2 - tile;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1626
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1627 /* Clip to current tile */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1628 if (tsy1 < 0.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1629 tdy1 -= tsy1 * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1630 tsy1 = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1631 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1632 if (tsy2 > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1633 tdy2 -= (tsy2 - 1.0) * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1634 tsy2 = 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1635 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1636
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1637 /* Maybe select next texture? */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1638 if (xo + tilew > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1639 ++tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1640 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1641 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1642 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1643 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1644 glSDL_texture(this, txi->texture[tex]);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1645 xo = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1646 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1647 #ifdef GLSDL_GRAPHICAL_DEBUG
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1648 this->glDisable(GL_TEXTURE_2D);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1649 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1650 this->glColor4ub(0, 255, 0, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1651 this->glVertex2i(dst->x, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1652 this->glVertex2i(dst->x + dst->w, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1653 this->glVertex2i(dst->x + dst->w, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1654 this->glVertex2i(dst->x, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1655 this->glEnd();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1656 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1657 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1658
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1659 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1660 this->glColor4ub(255, 255, 255, alpha);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1661 this->glTexCoord2f(xo + sx1, tsy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1662 this->glVertex2i(dst->x, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1663 this->glTexCoord2f(xo + sx2, tsy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1664 this->glVertex2i(dst->x + dst->w, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1665 this->glTexCoord2f(xo + sx2, tsy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1666 this->glVertex2i(dst->x + dst->w, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1667 this->glTexCoord2f(xo + sx1, tsy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1668 this->glVertex2i(dst->x, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1669 this->glEnd();
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1670
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1671 tile += 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1672 xo += tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1673 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1674 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1675
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1676
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1677 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1678 glSDL_BlitGL_hvtile(_THIS, SDL_Surface * src, private_hwdata * txi,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1679 float sx1, float sy1, SDL_Rect * dst, unsigned char alpha)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1680 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1681 int x, y, last_tex, tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1682 float sx2, sy2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1683 float texscale = 1.0 / (float) txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1684 int tilesperrow = (src->w + txi->tilew - 1) / txi->tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1685 sx2 = (sx1 + (float) dst->w) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1686 sy2 = (sy1 + (float) dst->h) * texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1687 sx1 *= texscale;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1688 sy1 *= texscale;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1689
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1690 last_tex = tex = floor(sy1) * tilesperrow + floor(sx1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1691 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1692 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1693 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1694 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1695 glSDL_texture(this, txi->texture[tex]);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1696
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1697 for (y = floor(sy1); y < sy2; ++y) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1698 int tdy1 = dst->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1699 int tdy2 = dst->y + dst->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1700 float tsy1 = sy1 - y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1701 float tsy2 = sy2 - y;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1702
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1703 /* Clip to current tile */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1704 if (tsy1 < 0.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1705 tdy1 -= tsy1 * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1706 tsy1 = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1707 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1708 if (tsy2 > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1709 tdy2 -= (tsy2 - 1.0) * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1710 tsy2 = 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1711 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1712 for (x = floor(sx1); x < sx2; ++x) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1713 int tdx1 = dst->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1714 int tdx2 = dst->x + dst->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1715 float tsx1 = sx1 - x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1716 float tsx2 = sx2 - x;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1717
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1718 /* Clip to current tile */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1719 if (tsx1 < 0.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1720 tdx1 -= tsx1 * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1721 tsx1 = 0.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1722 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1723 if (tsx2 > 1.0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1724 tdx2 -= (tsx2 - 1.0) * txi->texsize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1725 tsx2 = 1.0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1726 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1727
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1728 /* Select texture */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1729 tex = y * tilesperrow + x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1730 if (tex != last_tex) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1731 if (tex >= txi->textures)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1732 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1733 if (-1 == txi->texture[tex])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1734 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1735 glSDL_texture(this, txi->texture[tex]);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1736 last_tex = tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1737 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1738 #ifdef GLSDL_GRAPHICAL_DEBUG
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1739 this->glDisable(GL_TEXTURE_2D);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1740 this->glBegin(GL_LINE_LOOP);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1741 this->glColor4ub(0, 255, 0, 128);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1742 this->glVertex2i(tdx1, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1743 this->glVertex2i(tdx2, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1744 this->glVertex2i(tdx2, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1745 this->glVertex2i(tdx1, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1746 this->glEnd();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1747 this->glEnable(GL_TEXTURE_2D);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1748 #endif
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1749
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1750 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1751 this->glColor4ub(255, 255, 255, alpha);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1752 this->glTexCoord2f(tsx1, tsy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1753 this->glVertex2i(tdx1, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1754 this->glTexCoord2f(tsx2, tsy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1755 this->glVertex2i(tdx2, tdy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1756 this->glTexCoord2f(tsx2, tsy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1757 this->glVertex2i(tdx2, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1758 this->glTexCoord2f(tsx1, tsy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1759 this->glVertex2i(tdx1, tdy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1760 this->glEnd();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1761 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1762 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1763 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1764
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1765 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1766 * Calculate the actual blit rectangle and source offset
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1767 * for a blit from a rectangle in a surface with specified
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1768 * size to a surface with a cliprect.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1769 *
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1770 * In: rect source rectangle
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1771 * w, h source surface size
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1772 * (x, y) destination coordinate
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1773 * clip destination clip rectangle
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1774 *
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1775 * Out: (x, y) source top-left offset
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1776 * rect destination rectangle
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1777 *
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1778 * Returns 1 if the result is visible, otherwise 0.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1779 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1780 static __inline__ int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1781 blitclip(SDL_Rect * rect, int w, int h, int x, int y, SDL_Rect * clip)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1782 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1783 int sx1, sy1, sx2, sy2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1784 int dx1, dy1, dx2, dy2;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1785
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1786 /* Get source and destination coordinates */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1787 sx1 = rect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1788 sy1 = rect->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1789 sx2 = sx1 + rect->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1790 sy2 = sy1 + rect->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1791 dx1 = *x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1792 dy1 = *y;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1793
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1794 /* Keep source rect inside source surface */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1795 if (sx1 < 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1796 dx1 -= sx1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1797 sx1 = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1798 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1799 if (sy1 < 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1800 dy1 -= sy1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1801 sy1 = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1802 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1803 if (sx2 > w)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1804 sx2 = w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1805 if (sy2 > h)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1806 sy2 = h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1807
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1808 /* Cull blits from void space */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1809 if (sx1 >= sx2 \|\| sy1 >= sy2)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1810 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1811
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1812 /* Calculate destination lower-right */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1813 dx2 = dx1 + (sx2 - sx1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1814 dy2 = dy1 + (sy2 - sy1);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1815
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1816 /* Clip to destination cliprect */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1817 if (dx1 < clip->x) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1818 sx1 += clip->x - dx1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1819 dx1 = clip->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1820 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1821 if (dy1 < clip->y) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1822 sy1 += clip->y - dy1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1823 dy1 = clip->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1824 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1825 if (dx2 > clip->x + clip->w)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1826 dx2 = clip->x + clip->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1827 if (dy2 > clip->y + clip->h)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1828 dy2 = clip->y + clip->h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1829
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1830 /* Cull nop/off-screen blits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1831 if (dx1 >= dx2 \|\| dy1 >= dy2)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1832 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1833
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1834 *x = sx1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1835 *y = sy1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1836 rect->x = dx1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1837 rect->y = dy1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1838 rect->w = dx2 - dx1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1839 rect->h = dy2 - dy1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1840 return 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1841 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1842
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1843 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1844 glSDL_BlitGL(_THIS, SDL_Surface * src, SDL_Rect * srcrect, SDL_Rect * dstrect)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1845 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1846 private_hwdata *txi;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1847 float x1, y1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1848 unsigned char alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1849 SDL_Rect d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1850 int x, y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1851 SDL_Rect r;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1852
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1853 if (!src)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1854 return GLERET("BlitGL(): No src surface!");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1855
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1856 /* Get source and destination coordinates */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1857 if (srcrect)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1858 r = *srcrect;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1859 else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1860 r.x = r.y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1861 r.w = src->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1862 r.h = src->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1863 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1864 if (dstrect) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1865 x = dstrect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1866 y = dstrect->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1867 } else
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1868 x = y = 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1869
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1870 /* Clip! */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1871 if (!blitclip(&r, src->w, src->h, &x, &y, &this->screen->clip_rect)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1872 if (dstrect)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1873 dstrect->w = dstrect->h = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1874 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1875 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1876
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1877 /* Write back the resulting cliprect */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1878 if (dstrect)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1879 *dstrect = r;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1880
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1881 /* Make sure we have a source with a valid texture */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1882 txi = glSDL_UploadSurface(this, src);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1883 if (!txi)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1884 return GLERET("BlitGL(): Could not get a TexInfo!");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1885
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1886 /* Set up blending */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1887 if (src->flags & (SDL_SRCALPHA \| SDL_SRCCOLORKEY)) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1888 glSDL_blendfunc(this, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1889 glSDL_do_blend(this, 1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1890 } else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1891 glSDL_do_blend(this, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1892
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1893 /* Enable texturing */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1894 glSDL_do_texture(this, 1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1895
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1896 /* Calculate texcoords */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1897 if (!srcrect)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1898 srcrect = &txi->virt;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1899 x1 = (float) srcrect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1900 y1 = (float) srcrect->y;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1901
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1902 /* Calculate screen coords. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1903 if (dstrect) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1904 d.x = dstrect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1905 d.y = dstrect->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1906 d.w = (int) (srcrect->w * (float) txi->lw / (float) txi->virt.w);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1907 d.h = (int) (srcrect->h * (float) txi->lh / (float) txi->virt.h);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1908 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1909 d.x = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1910 d.y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1911 d.w = (int) (srcrect->w * (float) txi->lw / (float) txi->virt.w);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1912 d.h = (int) (srcrect->h * (float) txi->lh / (float) txi->virt.h);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1913 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1914
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1915 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1916 * Note that we actually prevent the use of "full surface alpha"
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1917 * and alpha channel in combination - to stay SDL 2D compatible.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1918 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1919 if ((src->flags & SDL_SRCALPHA) && (src->format->Amask))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1920 alpha = 255;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1921 else
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1922 alpha = src->format->alpha;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1923
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1924 /* Render! */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1925 switch (txi->tilemode) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1926 case GLSDL_TM_SINGLE:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1927 glSDL_BlitGL_single(this, txi, x1, y1, &d, alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1928 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1929 case GLSDL_TM_HORIZONTAL:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1930 glSDL_BlitGL_htile(this, txi, x1, y1, &d, alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1931 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1932 case GLSDL_TM_VERTICAL:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1933 glSDL_BlitGL_vtile(this, txi, x1, y1, &d, alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1934 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1935 case GLSDL_TM_HUGE:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1936 glSDL_BlitGL_hvtile(this, src, txi, x1, y1, &d, alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1937 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1938 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1939
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1940 if (txi->temporary)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1941 glSDL_FreeTexInfo(this, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1942
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1943 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1944 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1945
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1946
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1947 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1948 glSDL_HWAccelBlit(SDL_Surface * src, SDL_Rect * srcrect,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1949 SDL_Surface * dst, SDL_Rect * dstrect)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1950 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1951 SDL_Surface *vs;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1952
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1953 if (!src)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1954 return GLERET("HWAccelBlit(): No src surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1955 if (!dst)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1956 return GLERET("HWAccelBlit(): No dst surface!");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1957
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1958 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1959 * Figure out what to do:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1960 * screen->screen: glSDL_BlitFromGL() + glSDL_BlitGL()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1961 * surface->screen: glSDL_BlitGL()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1962 * screen->surface: glSDL_BlitFromGL()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1963 * surface->surface: glSDL_SoftBlit()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1964 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1965 vs = SDL_VideoSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1966 if (src == vs) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1967 if (dst == vs) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1968 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1969 FIXME: Try glCopyPixels() instead...
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1970 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1971 glSDL_BlitFromGL(current_video, srcrect, vs, dstrect);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1972 return glSDL_BlitGL(current_video, vs, srcrect, dstrect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1973 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1974 return glSDL_BlitFromGL(current_video, srcrect, dst, dstrect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1975 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1976 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1977 if (dst == vs) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1978 return glSDL_BlitGL(current_video, src, srcrect, dstrect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1979 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1980 glSDL_Invalidate(dst, dstrect);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1981 glSDL_SoftBlit(src, srcrect, dst, dstrect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1982 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1983 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1984 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1985 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1986
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1987
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1988 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1989 glSDL_FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1990 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1991 SDL_Surface *vs = SDL_VideoSurface;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1992 int dx1, dy1, dx2, dy2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1993 Uint32 r, g, b;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1994 Uint8 br, bg, bb;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1995
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1996 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1997 * Some ugly reverse conversion for compatibility...
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1998 * (We must do this before losing the dst pointer,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	1999 * as the pixel formats of the screen and
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2000 * SDL_VideoSurface may differ!)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2001 */
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2002
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2003 if (dst->format->palette) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2004 /* this a paletted color */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2005 SDL_GetRGB(color, dst->format, &br, &bg, &bb);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2006 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2007 /* this a RGB color */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2008 r = color & dst->format->Rmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2009 r = r >> dst->format->Rshift;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2010 r = r << dst->format->Rloss;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2011 br = r;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2012
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2013 g = color & dst->format->Gmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2014 g = g >> dst->format->Gshift;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2015 g = g << dst->format->Gloss;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2016 bg = g;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2017
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2018 b = color & dst->format->Bmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2019 b = b >> dst->format->Bshift;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2020 b = b << dst->format->Bloss;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2021 bb = b;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2022 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2023
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2024 if (vs != dst) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2025 /* draw a rect offscreen */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2026 glSDL_Invalidate(dst, dstrect);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2027 /* software-fill the surface by faking it as a SW_SURFACE */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2028 dst->flags &= ~SDL_HWSURFACE;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2029 SDL_FillRect(dst, dstrect, color);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2030 dst->flags \|= SDL_HWSURFACE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2031 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2032 /* draw a rect onscreen */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2033 glSDL_do_texture(this, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2034 glSDL_do_blend(this, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2035
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2036 dx1 = dstrect->x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2037 dy1 = dstrect->y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2038 dx2 = dx1 + dstrect->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2039 dy2 = dy1 + dstrect->h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2040
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2041 this->glBegin(GL_TRIANGLE_FAN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2042 this->glColor3ub(br, bg, bb);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2043 this->glVertex2i(dx1, dy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2044 this->glVertex2i(dx2, dy1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2045 this->glVertex2i(dx2, dy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2046 this->glVertex2i(dx1, dy2);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2047 this->glEnd();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2048 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2049 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2050 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2051
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2052 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2053 glSDL_CheckHWBlit(_THIS, SDL_Surface * src, SDL_Surface * dst)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2054 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2055 src->flags \|= SDL_HWACCEL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2056 src->map->hw_blit = glSDL_HWAccelBlit;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2057 return 1;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2058 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2059
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2060
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2061 static SDL_Surface *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2062 glSDL_DisplayFormat(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2063 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2064 SDL_Surface *tmp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2065 int use_rgba = (surface->flags & SDL_SRCCOLORKEY) \|\|
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2066 ((surface->flags & SDL_SRCALPHA) && surface->format->Amask);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2067 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2068 fprintf(stderr, "#### glSDL_DisplayFormat()\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2069 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2070 if (use_rgba)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2071 tmp = glSDL_ConvertSurface(surface, RGBAfmt, SDL_SWSURFACE);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2072 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2073 tmp = glSDL_ConvertSurface(surface, RGBfmt, SDL_SWSURFACE);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2074 if (!tmp) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2075 GLERR("glSDL_DisplayFormat() could not convert surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2076 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2077 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2078 SDL_SetAlpha(tmp, 0, 0);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2079
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2080 if (surface->flags & SDL_SRCCOLORKEY) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2081 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2082 * We drop colorkey data here, but we have to,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2083 * or we'll run into trouble when converting,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2084 * in particular from indexed color formats.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2085 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2086 SDL_SetColorKey(tmp, SDL_SRCCOLORKEY, surface->format->colorkey);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2087 glSDL_key2alpha(tmp);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2088 SDL_SetColorKey(tmp, 0, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2089 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2090
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2091 return tmp;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2092 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2093
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2094
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2095 static SDL_Surface *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2096 glSDL_DisplayFormatAlpha(SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2097 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2098 SDL_Surface s, tmp;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2099 tmp = glSDL_ConvertSurface(surface, RGBAfmt, SDL_SWSURFACE);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2100 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2101 fprintf(stderr, "#### glSDL_DisplayFormatAlpha()\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2102 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2103 if (!tmp)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2104 return NULL;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2105
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2106 SDL_SetAlpha(tmp, 0, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2107 SDL_SetColorKey(tmp, 0, 0);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2108 s = glSDL_CreateRGBASurface(surface->w, surface->h);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2109 if (!s) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2110 SDL_FreeSurface(tmp);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2111 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2112 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2113 glSDL_SoftBlit(tmp, NULL, s, NULL);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2114 SDL_FreeSurface(tmp);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2115
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2116 if (surface->flags & SDL_SRCCOLORKEY) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2117 SDL_SetColorKey(s, SDL_SRCCOLORKEY, surface->format->colorkey);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2118 glSDL_key2alpha(s);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2119 SDL_SetColorKey(s, 0, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2120 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2121
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2122 if (surface->flags & SDL_SRCALPHA)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2123 SDL_SetAlpha(s, SDL_SRCALPHA, surface->format->alpha);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2124 return s;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2125 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2126
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2127
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2128 /*----------------------------------------------------------
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2129 glSDL specific API extensions
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2130 ----------------------------------------------------------*/
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2131
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2132 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2133 glSDL_Invalidate(SDL_Surface * surface, SDL_Rect * area)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2134 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2135 private_hwdata *txi;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2136 if (!surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2137 return;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2138 txi = glSDL_GetTexInfo(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2139 if (!txi)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2140 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2141 if (!area) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2142 txi->invalid_area.x = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2143 txi->invalid_area.y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2144 txi->invalid_area.w = surface->w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2145 txi->invalid_area.h = surface->h;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2146 return;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2147 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2148 txi->invalid_area = *area;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2149 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2150
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2151
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2152 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2153 glSDL_SetLogicSize(_THIS, SDL_Surface * surface, int w, int h)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2154 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2155 SDL_Rect r;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2156 private_hwdata *txi;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2157 if (!IS_GLSDL_SURFACE(surface))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2158 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2159
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2160 txi = glSDL_GetTexInfo(surface);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2161
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2162 txi->lw = w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2163 txi->lh = h;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2164
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2165 if (SDL_VideoSurface != surface)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2166 return;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2167
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2168 r.x = r.y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2169 r.w = w;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2170 r.h = h;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2171 glSDL_SetClipRect(this, surface, &r);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2172
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2173 this->glMatrixMode(GL_MODELVIEW);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2174 this->glLoadIdentity();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2175 this->glTranslated(0.0f, 0.0f, 0.0f);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2176
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2177 this->glDisable(GL_DEPTH_TEST);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2178 this->glDisable(GL_CULL_FACE);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2179
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2180 glSDL_reset();
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2181 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2182
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2183 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2184 glSDL_InitTexture(_THIS, SDL_Surface * datasurf, private_hwdata * txi,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2185 int tex)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2186 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2187 this->glGenTextures(1, (GLuint *) & txi->texture[tex]);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2188 this->glBindTexture(GL_TEXTURE_2D, txi->texture[tex]);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2189 glstate.texture = txi->texture[tex];
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2190 this->glPixelStorei(GL_UNPACK_ROW_LENGTH, datasurf->pitch /
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2191 datasurf->format->BytesPerPixel);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2192 this->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2193 this->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2194 this->glTexImage2D(GL_TEXTURE_2D, 0,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2195 datasurf->format->Amask ? GL_RGBA8 : GL_RGB8,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2196 txi->texsize, txi->texsize, 0,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2197 datasurf->format->Amask ? GL_RGBA : GL_RGB,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2198 GL_UNSIGNED_BYTE, NULL);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2199 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2200 glSDL_print_glerror(this, 1);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2201 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2202 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2203 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2204
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2205
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2206 /* Image tiled horizontally (wide surface), or not at all */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2207 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2208 glSDL_UploadHoriz(_THIS, SDL_Surface * datasurf, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2209 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2210 int bpp = datasurf->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2211 int res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2212 int tex = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2213 int fromx = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2214 int toy = txi->texsize; /* To init first texture */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2215 while (1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2216 int thistw = datasurf->w - fromx;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2217 if (thistw > txi->tilew)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2218 thistw = txi->tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2219 else if (thistw <= 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2220 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2221 if (toy + txi->tileh > txi->texsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2222 toy = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2223 res = glSDL_InitTexture(this, datasurf, txi, tex);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2224 if (res < 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2225 return res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2226 ++tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2227 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2228 this->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, toy,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2229 thistw, txi->tileh,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2230 datasurf->format->Amask ? GL_RGBA : GL_RGB,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2231 GL_UNSIGNED_BYTE,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2232 (char ) datasurf->pixels + bpp fromx);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2233 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2234 glSDL_print_glerror(this, 2);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2235 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2236 fromx += txi->tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2237 toy += txi->tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2238 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2239 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2240 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2241
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2242
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2243 /* Image tiled vertically (tall surface) */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2244 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2245 glSDL_UploadVert(_THIS, SDL_Surface * datasurf, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2246 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2247 int res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2248 int tex = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2249 int fromy = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2250 int tox = txi->texsize; /* To init first texture */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2251 while (1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2252 int thisth = datasurf->h - fromy;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2253 if (thisth > txi->tileh)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2254 thisth = txi->tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2255 else if (thisth <= 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2256 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2257 if (tox + txi->tilew > txi->texsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2258 tox = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2259 res = glSDL_InitTexture(this, datasurf, txi, tex);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2260 if (res < 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2261 return res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2262 ++tex;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2263 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2264 this->glTexSubImage2D(GL_TEXTURE_2D, 0, tox, 0,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2265 txi->tilew, thisth,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2266 datasurf->format->Amask ? GL_RGBA : GL_RGB,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2267 GL_UNSIGNED_BYTE,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2268 (char *) datasurf->pixels +
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2269 datasurf->pitch * fromy);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2270 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2271 glSDL_print_glerror(this, 3);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2272 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2273 fromy += txi->tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2274 tox += txi->tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2275 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2276 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2277 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2278
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2279
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2280 /* Image tiled two-way (huge surface) */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2281 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2282 glSDL_UploadHuge(_THIS, SDL_Surface * datasurf, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2283 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2284 int bpp = datasurf->format->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2285 int res;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2286 int tex = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2287 int y = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2288 while (y < datasurf->h) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2289 int x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2290 int thisth = datasurf->h - y;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2291 if (thisth > txi->tileh)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2292 thisth = txi->tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2293 x = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2294 while (x < datasurf->w) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2295 int thistw = datasurf->w - x;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2296 if (thistw > txi->tilew)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2297 thistw = txi->tilew;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2298 res = glSDL_InitTexture(this, datasurf, txi, tex++);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2299 if (res < 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2300 return res;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2301 this->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2302 thistw, thisth,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2303 datasurf->format->
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2304 Amask ? GL_RGBA : GL_RGB,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2305 GL_UNSIGNED_BYTE,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2306 (char *) datasurf->pixels +
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2307 datasurf->pitch * y + bpp * x);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2308 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2309 fprintf(stderr,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2310 "glTexSubImage(x = %d, y = %d, w = %d, h = %d)\n", x,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2311 y, thistw, thisth);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2312 glSDL_print_glerror(this, 4);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2313 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2314 x += txi->tilew;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2315 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2316 y += txi->tileh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2317 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2318 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2319 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2320
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2321
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2322 /* Upload all textures for a surface. */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2323 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2324 glSDL_UploadTextures(_THIS, SDL_Surface * datasurf, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2325 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2326 switch (txi->tilemode) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2327 case GLSDL_TM_SINGLE:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2328 case GLSDL_TM_HORIZONTAL:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2329 glSDL_UploadHoriz(this, datasurf, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2330 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2331 case GLSDL_TM_VERTICAL:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2332 glSDL_UploadVert(this, datasurf, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2333 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2334 case GLSDL_TM_HUGE:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2335 glSDL_UploadHuge(this, datasurf, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2336 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2337 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2338 return 0;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2339 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2340
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2341
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2342 /*
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2343 * IMPORTANT:
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2344 * This function will try various ways of giving you
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2345 * a TexInfo, and will succeed most of the time.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2346 *
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2347 * However, the TexInfo returned may be temporary,
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2348 * (as opposed to connected to 'surface'). A temporary
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2349 * TexInfo must be used only once and then thrown away,
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2350 * since it means that glSDL cannot track changes in
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2351 * the pixel data of 'texture'.
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2352 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2353 static private_hwdata *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2354 glSDL_UploadSurface(_THIS, SDL_Surface * surface)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2355 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2356 int i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2357 int converted = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2358 private_hwdata *txi = glSDL_GetTexInfo(surface);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2359
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2360 if (IS_GLSDL_SURFACE(surface)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2361 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2362 * Ok, this is a glSDL surface, and it might be
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2363 * in texture memory already. If so, it may need
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2364 * an update.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2365 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2366 if (txi->invalid_area.w) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2367 glSDL_UnloadTexture(this, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2368 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2369 int missing = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2370 if (txi->textures) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2371 for (i = 0; i < txi->textures; ++i)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2372 if (GLSDL_NOTEX == txi->texture[i]) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2373 missing = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2374 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2375 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2376 if (!missing)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2377 return txi; /* They're already there! */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2378 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2379 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2380 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2381 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2382 * Nope, this isn't (yet) a glSDL surface. Let's
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2383 * try to either make it one, or set up a temporary
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2384 * TexInfo for it, valid for only one blit.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2385 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2386 if ((surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2387 txi = glSDL_AddTexInfo(this, surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2388 if (!txi) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2389 GLERR("UploadSurface(): Could not add TexInfo!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2390 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2391 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2392 surface->flags \|= SDL_HWSURFACE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2393 surface->flags \|= SDL_HWACCEL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2394 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2395 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2396 * FIXME
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2397 * here if the surface is small enough, it's a good
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2398 * candidate for a blit using glDrawPixels instead
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2399 * of a texture blit
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2400 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2401 txi = glSDL_CreateTempTexInfo(this, surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2402 if (!txi) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2403 GLERR("UploadSurface(): Could not create temp TexInfo!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2404 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2405 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2406 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2407 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2408
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2409 if (txi->texsize > maxtexsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2410 /* This surface wasn't tiled properly... */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2411 if (txi->temporary)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2412 glSDL_FreeTexInfo(this, txi);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2413 GLERR("UploadSurface(): Too large texture!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2414 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2415 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2416
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2417 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2418 * Kludge: Convert if not of preferred RGB or RGBA format.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2419 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2420 * Conversion should only be done when really needed.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2421 * That is, it should rarely have to be done with OpenGL
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2422 * 1.2+.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2423 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2424 * Besides, any surface that's been SDL_DisplayFormat()ed
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2425 * should already be in the best known OpenGL format -
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2426 * preferably one that makes DMA w/o conversion possible.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2427 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2428 if (!glSDL_FormatIsOk(surface)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2429 #ifdef DEBUG_GLSDL
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2430 fprintf(stderr, "glSDL: WARNING: On-the-fly conversion performed!\n");
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2431 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2432 converted = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2433 /* NOTE: We forget about the original surface here. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2434 if (surface->format->Amask)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2435 surface = glSDL_DisplayFormatAlpha(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2436 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2437 surface = glSDL_DisplayFormat(surface);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2438 if (!surface) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2439 GLERR("UploadSurface(): Could not convert surface!");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2440 if (txi->temporary)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2441 glSDL_FreeTexInfo(this, txi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2442 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2443 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2444 }
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2445
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2446 glSDL_UploadTextures(this, surface, txi);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2447
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2448 if (converted)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2449 SDL_FreeSurface(surface);
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2450
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2451 return txi;
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2452 }
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2453
e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2454
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2455 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2456 glSDL_UnloadTexture(_THIS, private_hwdata * txi)
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2457 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2458 int i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2459 for (i = 0; i < txi->textures; ++i)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2460 if (txi->texture[i] != GLSDL_NOTEX)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2461 this->glDeleteTextures(1, &txi->texture[i]);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	2462 SDL_memset(&txi->invalid_area, 0, sizeof(txi->invalid_area));
1658 e49147870aac glSDL support Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2463 }
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2464
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1658 diff changeset	2465 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/glsdl/SDL_glsdl.c @ 1723:4bdbb9b2bd0a SDL-1.3