sdl-ios-xcode: src/video/SDL_renderer

annotate src/video/SDL_renderer_gl.c @ 5142:57851a238c8f

Removed more partially functional renderers

author	Sam Lantinga <slouken@libsdl.org>
date	Mon, 31 Jan 2011 22:53:45 -0800
parents	da10636e5eca
children	e743b9c3f6d6

rev	line source
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3685 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	24 #if SDL_VIDEO_RENDER_OGL
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	25
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	26 #include "SDL_video.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	27 #include "SDL_opengl.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	28 #include "SDL_sysvideo.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	29 #include "SDL_pixels_c.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	30 #include "SDL_rect_c.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	31 #include "SDL_yuv_sw_c.h"
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	33 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	34 #include <OpenGL/OpenGL.h>
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	35 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	36
2778 38dfc890ee6b Preliminary support for YUV textures Sam Lantinga <slouken@libsdl.org> parents: 2328 diff changeset	37
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 /* OpenGL renderer implementation */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	40 /* Details on optimizing the texture path on Mac OS X:
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	41 http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/chapter_10_section_2.html
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	42 */
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	43
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	44 /* !!! FIXME: this should go in a higher level than the GL renderer. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	45 static __inline__ int
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	46 bytes_per_pixel(const Uint32 format)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	47 {
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	48 if (!SDL_ISPIXELFORMAT_FOURCC(format)) {
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	49 return SDL_BYTESPERPIXEL(format);
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	50 }
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	51
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	52 /* FOURCC format */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	53 switch (format) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	54 case SDL_PIXELFORMAT_YV12:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	55 case SDL_PIXELFORMAT_IYUV:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	56 case SDL_PIXELFORMAT_YUY2:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	57 case SDL_PIXELFORMAT_UYVY:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	58 case SDL_PIXELFORMAT_YVYU:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	59 return 2;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	60 default:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	61 return 1; /* shouldn't ever hit this. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	62 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	63 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	64
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	65
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	66 static const float inv255f = 1.0f / 255.0f;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	67
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 static SDL_Renderer GL_CreateRenderer(SDL_Window window, Uint32 flags);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	69 static int GL_ActivateRenderer(SDL_Renderer * renderer);
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	70 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	72 static int GL_QueryTexturePixels(SDL_Renderer * renderer,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	73 SDL_Texture * texture, void **pixels,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	74 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 static int GL_SetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 const SDL_Color * colors, int firstcolor,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 int ncolors);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 static int GL_GetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 SDL_Texture * texture, SDL_Color * colors,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 int firstcolor, int ncolors);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	83 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	84 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	85 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	86 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	87 SDL_Texture * texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 const SDL_Rect * rect, const void *pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 int pitch);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	92 const SDL_Rect * rect, int markDirty, void **pixels,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	93 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 int numrects, const SDL_Rect * rects);
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	97 static int GL_RenderClear(SDL_Renderer * renderer);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	98 static int GL_RenderDrawPoints(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	99 const SDL_Point * points, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	100 static int GL_RenderDrawLines(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	101 const SDL_Point * points, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	102 static int GL_RenderDrawRects(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	103 const SDL_Rect ** rects, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	104 static int GL_RenderFillRects(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	105 const SDL_Rect ** rects, int count);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	107 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	108 static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	109 Uint32 pixel_format, void * pixels, int pitch);
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	110 static int GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	111 Uint32 pixel_format, const void * pixels, int pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 static void GL_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 static void GL_DestroyRenderer(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 SDL_RenderDriver GL_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 GL_CreateRenderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 "opengl",
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	121 (SDL_RENDERER_SINGLEBUFFER \| SDL_RENDERER_PRESENTDISCARD \|
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	122 SDL_RENDERER_PRESENTVSYNC \| SDL_RENDERER_ACCELERATED),
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	123 (SDL_TEXTUREMODULATE_NONE \| SDL_TEXTUREMODULATE_COLOR \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	124 SDL_TEXTUREMODULATE_ALPHA),
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	125 (SDL_BLENDMODE_NONE \| SDL_BLENDMODE_MASK \|
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	126 SDL_BLENDMODE_BLEND \| SDL_BLENDMODE_ADD \| SDL_BLENDMODE_MOD),
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	127 15,
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	129 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	130 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	131 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	132 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	133 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	134 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	135 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	136 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	137 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	138 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	139 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	140 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	141 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	142 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	143 SDL_PIXELFORMAT_ABGR8888,
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	144 SDL_PIXELFORMAT_ARGB2101010},
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 0,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 0}
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 };
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 SDL_GLContext context;
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	152 SDL_bool updateSize;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	153 SDL_bool GL_ARB_texture_rectangle_supported;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	154 SDL_bool GL_EXT_paletted_texture_supported;
2845 1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	155 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	156 SDL_bool GL_MESA_ycbcr_texture_supported;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	157 SDL_bool GL_ARB_fragment_program_supported;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	158 int blendMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	159
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	160 /* OpenGL functions */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	161 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	162 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	163 #undef SDL_PROC
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	164
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	165 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	166 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	167 const GLvoid * pointer);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	168
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	169 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	170 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	171 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	172 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	173 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	174 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	175 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	176
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	177 /* (optional) fragment programs */
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	178 GLuint fragment_program_mask;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	179 GLuint fragment_program_UYVY;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 } GL_RenderData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 GLuint texture;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	185 GLuint shader;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	186 GLenum type;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 GLfloat texw;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 GLfloat texh;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	189 GLenum format;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	190 GLenum formattype;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	191 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 void *pixels;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 int pitch;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	194 SDL_DirtyRectList dirty;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	195 int HACK_RYAN_FIXME;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 } GL_TextureData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	199 static void
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	200 GL_SetError(const char *prefix, GLenum result)
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	201 {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	202 const char *error;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	203
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	204 switch (result) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	205 case GL_NO_ERROR:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	206 error = "GL_NO_ERROR";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	207 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	208 case GL_INVALID_ENUM:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	209 error = "GL_INVALID_ENUM";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	210 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	211 case GL_INVALID_VALUE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	212 error = "GL_INVALID_VALUE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	213 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	214 case GL_INVALID_OPERATION:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	215 error = "GL_INVALID_OPERATION";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	216 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	217 case GL_STACK_OVERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	218 error = "GL_STACK_OVERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	219 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	220 case GL_STACK_UNDERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	221 error = "GL_STACK_UNDERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	222 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	223 case GL_OUT_OF_MEMORY:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	224 error = "GL_OUT_OF_MEMORY";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	225 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	226 case GL_TABLE_TOO_LARGE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	227 error = "GL_TABLE_TOO_LARGE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	228 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	229 default:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	230 error = "UNKNOWN";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	231 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	232 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	233 SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	234 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	235
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	236 static int
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	237 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	238 {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	239 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	240 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	241 #endif
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	242 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	243 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	244 #else
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	245 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	246 do { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	247 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	248 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	249 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	250 return -1; \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	251 } \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	252 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	253 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	254
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	255 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	256 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	257 return 0;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	258 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	259
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 GL_RenderData *data;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	265 GLint value;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	266 int doublebuffer;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	268 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	269 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	270 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	271 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	272 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	273 #endif
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928 861bc36f0ab3 Fixed crash with multiple windows Sam Lantinga <slouken@libsdl.org> parents: 1927 diff changeset	275 if (SDL_RecreateWindow(window, window->flags \| SDL_WINDOW_OPENGL) < 0) {
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	276 return NULL;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	277 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	280 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	286 data = (GL_RenderData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	293 renderer->ActivateRenderer = GL_ActivateRenderer;
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	294 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 renderer->CreateTexture = GL_CreateTexture;
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	296 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 renderer->GetTexturePalette = GL_GetTexturePalette;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	299 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	300 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	301 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 renderer->DirtyTexture = GL_DirtyTexture;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	306 renderer->RenderClear = GL_RenderClear;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	307 renderer->RenderDrawPoints = GL_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	308 renderer->RenderDrawLines = GL_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	309 renderer->RenderDrawRects = GL_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	310 renderer->RenderFillRects = GL_RenderFillRects;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 renderer->RenderCopy = GL_RenderCopy;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	312 renderer->RenderReadPixels = GL_RenderReadPixels;
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	313 renderer->RenderWritePixels = GL_RenderWritePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 renderer->info = GL_RenderDriver.info;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	318 renderer->window = window;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 renderer->info.flags =
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	322 (SDL_RENDERER_PRESENTDISCARD \| SDL_RENDERER_ACCELERATED);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	324 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	325 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	326 return NULL;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	327 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	328
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	329 data->context = SDL_GL_CreateContext(window);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 }
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	334 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 }
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	338 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	339 /* Enable multi-threaded rendering */
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	340 /* Disabled until Ryan finishes his VBO/PBO code...
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	341 CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	342 */
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	343 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	344
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	345 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 } else {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 if (SDL_GL_GetSwapInterval() > 0) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	351 renderer->info.flags \|= SDL_RENDERER_PRESENTVSYNC;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	354 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	355 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	356 renderer->info.flags \|= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	357 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	358 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	359
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	360 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	361 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	362 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	363 renderer->info.max_texture_height = value;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	364
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	365 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	366 \|\| SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	367 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	368 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	369 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	370 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	371 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	372 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	373 } else {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	374 /* Don't advertise support for 8-bit indexed texture format */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	375 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	376 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	377 for (i = 0, j = 0; i < info->num_texture_formats; ++i) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	378 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	379 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	380 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	381 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	382 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	383 }
2845 1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	384 if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	385 data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	386 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	387 if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	388 data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	389 }
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	390 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	391 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	392 (void ()(GLenum, GLsizei, const GLvoid ))
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	393 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	394 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	395
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	396 /* we might use fragment programs for YUV data, etc. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	397 if (SDL_GL_ExtensionSupported("GL_ARB_fragment_program")) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	398 /* !!! FIXME: this doesn't check for errors. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	399 /* !!! FIXME: this should really reuse the glfuncs.h stuff. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	400 data->glGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	401 SDL_GL_GetProcAddress("glGetProgramivARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	402 data->glGetProgramStringARB = (PFNGLGETPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	403 SDL_GL_GetProcAddress("glGetProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	404 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	405 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	406 SDL_GL_GetProcAddress("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	407 data->glDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	408 SDL_GL_GetProcAddress("glDeleteProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	409 data->glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	410 SDL_GL_GetProcAddress("glGenProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	411 data->glBindProgramARB = (PFNGLBINDPROGRAMARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	412 SDL_GL_GetProcAddress("glBindProgramARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	413 data->glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	414 SDL_GL_GetProcAddress("glProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	415 data->GL_ARB_fragment_program_supported = SDL_TRUE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	416 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	417
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 /* Set up parameters for rendering */
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	419 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	420 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	421 data->glDisable(GL_CULL_FACE);
3262 e3d33bd599eb Stefan Ullinger Sam Lantinga <slouken@libsdl.org> parents: 3253 diff changeset	422 /* This ended up causing video discrepancies between OpenGL and Direct3D */
e3d33bd599eb Stefan Ullinger Sam Lantinga <slouken@libsdl.org> parents: 3253 diff changeset	423 /data->glEnable(GL_LINE_SMOOTH);/
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	424 if (data->GL_ARB_texture_rectangle_supported) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	425 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	426 } else {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	427 data->glEnable(GL_TEXTURE_2D);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	428 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	429 data->updateSize = SDL_TRUE;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 return renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	434 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	435 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	436 {
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	437 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	438 SDL_Window *window = renderer->window;
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	439
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	440 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	441 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	442 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	443 if (data->updateSize) {
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	444 data->glMatrixMode(GL_PROJECTION);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	445 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	446 data->glMatrixMode(GL_MODELVIEW);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	447 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	448 data->glViewport(0, 0, window->w, window->h);
3324 0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783 Sam Lantinga <slouken@libsdl.org> parents: 3283 diff changeset	449 data->glOrtho(0.0, (GLdouble) window->w,
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783 Sam Lantinga <slouken@libsdl.org> parents: 3283 diff changeset	450 (GLdouble) window->h, 0.0, 0.0, 1.0);
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	451 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	452 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	453 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	454 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	455
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	456 static int
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	457 GL_DisplayModeChanged(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	458 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	459 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	460
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	461 /* Rebind the context to the window area and update matrices */
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	462 data->updateSize = SDL_TRUE;
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	463 return GL_ActivateRenderer(renderer);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	464 }
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	465
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	466 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	467 power_of_2(int input)
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	468 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	469 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	470
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	471 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	472 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	473 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	474 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	475 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	476
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	477
2858 a38fcb093081 A little cleanup for SDL snapshot release Sam Lantinga <slouken@libsdl.org> parents: 2848 diff changeset	478 //#define DEBUG_PROGRAM_COMPILE 1
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	479
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	480 static void
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	481 set_shader_error(GL_RenderData * data, const char *prefix)
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	482 {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	483 GLint pos = 0;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	484 const GLubyte *errstr;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	485 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	486 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
3479 6f887204fa7a Whoops, actually set the SDL error, don't just print the error. Sam Lantinga <slouken@libsdl.org> parents: 3475 diff changeset	487 SDL_SetError("%s: shader compile error at position %d: %s",
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	488 prefix, (int) pos, (const char *) errstr);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	489 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	490
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	491 static GLuint
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	492 compile_shader(GL_RenderData * data, GLenum shader_type, const char *_code)
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	493 {
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	494 const int have_texture_rects = data->GL_ARB_texture_rectangle_supported;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	495 const char *replacement = have_texture_rects ? "RECT" : "2D";
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	496 const size_t replacementlen = SDL_strlen(replacement);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	497 const char *token = "%TEXTURETARGET%";
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	498 const size_t tokenlen = SDL_strlen(token);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	499 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	500 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	501 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	502
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	503 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	504 * The TEX instruction needs a different target depending on what we use.
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	505 * To handle this, we use "%TEXTURETARGET%" and replace the string before
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	506 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	507 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	508 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	509 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	510 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	511
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	512 for (ptr = SDL_strstr(code, token); ptr; ptr = SDL_strstr(ptr + 1, token)) {
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	513 SDL_memcpy(ptr, replacement, replacementlen);
bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	514 SDL_memmove(ptr + replacementlen, ptr + tokenlen,
bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	515 SDL_strlen(ptr + tokenlen) + 1);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	516 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	517
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	518 #if DEBUG_PROGRAM_COMPILE
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	519 printf("compiling shader:\n%s\n\n", code);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	520 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	521
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	522 data->glGetError(); /* flush any existing error state. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	523 data->glGenProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	524 data->glBindProgramARB(shader_type, program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	525 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
3253 5d7ef5970073 Fixed issues building 64-bit Windows binary Sam Lantinga <slouken@libsdl.org> parents: 3041 diff changeset	526 (GLsizei)SDL_strlen(code), code);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	527
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	528 SDL_free(code);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	529
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	530 if (data->glGetError() == GL_INVALID_OPERATION) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	531 #if DEBUG_PROGRAM_COMPILE
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	532 GLint pos = 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	533 const GLubyte *errstr;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	534 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	535 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	536 printf("program compile error at position %d: %s\n\n",
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	537 (int) pos, (const char *) errstr);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	538 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	539 data->glBindProgramARB(shader_type, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	540 data->glDeleteProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	541 return 0;
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	542 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	543
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	544 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	545 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	546
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	547
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	548 /*
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	549 * Fragment program that implements mask semantics
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	550 */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	551 static const char *fragment_program_mask_source_code = "!!ARBfp1.0\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	552 "OUTPUT output = result.color;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	553 "TEMP value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	554 "TEX value, fragment.texcoord[0], texture[0], %TEXTURETARGET%;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	555 "MUL value, fragment.color, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	556 "SGE value.a, value.a, 0.001;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	557 "MOV output, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	558 "END";
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	559
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	560 /*
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	561 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	562 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	563 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	564 * G = 1.164(Y-16) - 0.813(Cr-128) - 0.391(Cb-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	565 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	566 * Byte layout is Cb, Y1, Cr, Y2, stored in the R, G, B, A channels.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	567 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	568 *
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	569 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	570 * !!! FIXME: this could be more efficient...use a dot product for green, etc.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	571 */
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	572 static const char *fragment_program_UYVY_source_code = "!!ARBfp1.0\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	573 /* outputs... */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	574 "OUTPUT outcolor = result.color;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	575 /* scratch registers... */
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	576 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	577 /* Halve the coordinates to grab the correct 32 bits for the fragment. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	578 "MUL work, fragment.texcoord, { 0.5, 1.0, 1.0, 1.0 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	579 /* Sample the YUV texture. Cb, Y1, Cr, Y2, are stored in x, y, z, w. */
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	580 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	581 /* Do subtractions (128/255, 16/255, 128/255, 16/255) */
2846 3d7833d5a4be Slight optimization of the shader, no need to scale into 0..255 Sam Lantinga <slouken@libsdl.org> parents: 2845 diff changeset	582 "SUB uyvy, uyvy, { 0.501960784313726, 0.06274509803922, 0.501960784313726, 0.06274509803922 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	583 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	584 /* !!! FIXME: laziness wins out for now... just average Y1 and Y2. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	585 "ADD luminance, uyvy.yyyy, uyvy.wwww;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	586 "MUL luminance, luminance, { 0.5, 0.5, 0.5, 0.5 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	587 /* Multiply luminance by its magic value. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	588 "MUL luminance, luminance, { 1.164, 1.164, 1.164, 1.164 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	589 /* uyvy.xyzw becomes Cr/Cr/Cb/Cb, with multiplications. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	590 "MUL uyvy, uyvy.zzxx, { 1.596, -0.813, 2.018, -0.391 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	591 /* Add luminance to Cr and Cb, store to RGB channels. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	592 "ADD work.rgb, luminance, uyvy;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	593 /* Do final addition for Green channel. (!!! FIXME: this should be a DPH?) */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	594 "ADD work.g, work.g, uyvy.w;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	595 /* Make sure alpha channel is fully opaque. (!!! FIXME: blend modes!) */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	596 "MOV work.a, { 1.0 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	597 /* Store out the final fragment color... */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	598 "MOV outcolor, work;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	599 /* ...and we're done! */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	600 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	601
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	602 static __inline__ SDL_bool
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	603 convert_format(GL_RenderData *renderdata, Uint32 pixel_format,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	604 GLint* internalFormat, GLenum* format, GLenum* type)
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	605 {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	606 switch (pixel_format) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	607 case SDL_PIXELFORMAT_INDEX1LSB:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	608 case SDL_PIXELFORMAT_INDEX1MSB:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	609 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	610 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	611 *type = GL_BITMAP;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	612 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	613 case SDL_PIXELFORMAT_INDEX8:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	614 if (!renderdata->GL_EXT_paletted_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	615 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	616 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	617 *internalFormat = GL_COLOR_INDEX8_EXT;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	618 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	619 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	620 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	621 case SDL_PIXELFORMAT_RGB332:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	622 *internalFormat = GL_R3_G3_B2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	623 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	624 *type = GL_UNSIGNED_BYTE_3_3_2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	625 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	626 case SDL_PIXELFORMAT_RGB444:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	627 *internalFormat = GL_RGB4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	628 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	629 *type = GL_UNSIGNED_SHORT_4_4_4_4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	630 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	631 case SDL_PIXELFORMAT_RGB555:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	632 *internalFormat = GL_RGB5;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	633 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	634 *type = GL_UNSIGNED_SHORT_5_5_5_1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	635 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	636 case SDL_PIXELFORMAT_ARGB4444:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	637 *internalFormat = GL_RGBA4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	638 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	639 *type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	640 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	641 case SDL_PIXELFORMAT_ARGB1555:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	642 *internalFormat = GL_RGB5_A1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	643 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	644 *type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	645 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	646 case SDL_PIXELFORMAT_RGB565:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	647 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	648 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	649 *type = GL_UNSIGNED_SHORT_5_6_5;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	650 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	651 case SDL_PIXELFORMAT_RGB24:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	652 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	653 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	654 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	655 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	656 case SDL_PIXELFORMAT_RGB888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	657 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	658 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	659 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	660 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	661 case SDL_PIXELFORMAT_BGR24:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	662 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	663 *format = GL_BGR;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	664 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	665 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	666 case SDL_PIXELFORMAT_BGR888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	667 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	668 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	669 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	670 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	671 case SDL_PIXELFORMAT_ARGB8888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	672 #ifdef __MACOSX__
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	673 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	674 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	675 *type = GL_UNSIGNED_INT_8_8_8_8_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	676 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	677 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	678 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	679 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	680 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	681 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	682 case SDL_PIXELFORMAT_ABGR8888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	683 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	684 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	685 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	686 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	687 case SDL_PIXELFORMAT_ARGB2101010:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	688 *internalFormat = GL_RGB10_A2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	689 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	690 *type = GL_UNSIGNED_INT_2_10_10_10_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	691 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	692 case SDL_PIXELFORMAT_UYVY:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	693 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	694 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	695 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	696 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	697 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	698 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	699 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	700 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	701 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494 61d95a87c327 Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3479 diff changeset	702 *internalFormat = GL_YCBCR_MESA;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	703 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	704 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	705 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	706 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	707 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	708 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	709 } else if (renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	710 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	711 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	712 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	713 } else {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	714 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	715 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	716 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	717 case SDL_PIXELFORMAT_YUY2:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	718 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	719 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	720 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	721 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	722 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	723 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	724 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	725 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	726 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494 61d95a87c327 Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3479 diff changeset	727 *internalFormat = GL_YCBCR_MESA;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	728 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	729 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	730 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	731 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	732 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	733 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	734 } else {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	735 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	736 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	737 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	738 default:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	739 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	740 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	741 return SDL_TRUE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	742 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	743
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 GL_TextureData *data;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	749 GLint internalFormat;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	750 GLenum format, type;
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	751 int texture_w, texture_h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	752 GLuint shader = 0;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	753 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	755 if (!convert_format(renderdata, texture->format, &internalFormat,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	756 &format, &type)) {
4990 397e748d901a Improved error message for unsupported texture format Sam Lantinga <slouken@libsdl.org> parents: 4929 diff changeset	757 SDL_SetError("Texture format %s not supported by OpenGL",
397e748d901a Improved error message for unsupported texture format Sam Lantinga <slouken@libsdl.org> parents: 4929 diff changeset	758 SDL_GetPixelFormatName(texture->format));
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	759 return -1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	760 }
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	761 if (texture->format == SDL_PIXELFORMAT_UYVY &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	762 !renderdata->GL_APPLE_ycbcr_422_supported &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	763 !renderdata->GL_MESA_ycbcr_texture_supported &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	764 renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	765 if (renderdata->fragment_program_UYVY == 0) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	766 renderdata->fragment_program_UYVY =
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	767 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	768 fragment_program_UYVY_source_code);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	769 if (renderdata->fragment_program_UYVY == 0) {
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	770 set_shader_error(renderdata, "UYVY");
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	771 return -1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	772 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	773 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	774 shader = renderdata->fragment_program_UYVY;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	775 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	776
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	777 data = (GL_TextureData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 return -1;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	783 data->shader = shader;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	784
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	785 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	786 data->palette = (Uint8 ) SDL_malloc(3 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	787 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	788 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	789 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	790 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	791 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	792 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	793 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	794
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	795 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	796 data->pitch = texture->w * bytes_per_pixel(texture->format);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	797 data->pixels = SDL_malloc(texture->h * data->pitch);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	798 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	799 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	800 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	801 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	802 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	803 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	804
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	807 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	808 renderdata->glGenTextures(1, &data->texture);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	809 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	810 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	811 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	812 texture_h = texture->h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	813 data->texw = (GLfloat) texture_w;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	814 data->texh = (GLfloat) texture_h;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	815 } else {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	816 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	817 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	818 texture_h = power_of_2(texture->h);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	819 data->texw = (GLfloat) (texture->w) / texture_w;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	820 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	821 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	822
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	823 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	824 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
3707 d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	825 texture_w /= 2;
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	826 if (data->type == GL_TEXTURE_2D) {
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	827 data->texw *= 2.0f;
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	828 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	829 data->HACK_RYAN_FIXME = 2;
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	830 } else {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	831 data->HACK_RYAN_FIXME = 1;
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	832 }
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	833
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	834 data->format = format;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	835 data->formattype = type;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	836 renderdata->glEnable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	837 renderdata->glBindTexture(data->type, data->texture);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	838 renderdata->glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
5141 da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers. Sam Lantinga <slouken@libsdl.org> parents: 5088 diff changeset	839 GL_LINEAR);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	840 renderdata->glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
5141 da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers. Sam Lantinga <slouken@libsdl.org> parents: 5088 diff changeset	841 GL_LINEAR);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	842 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	843 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	844 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	845 GL_CLAMP_TO_EDGE);
2840 53ca0d758b0a The previous checkin fixes the crash, so at least we're not overrunning Sam Lantinga <slouken@libsdl.org> parents: 2839 diff changeset	846 #ifdef __MACOSX__
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	847 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	848 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	849 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	850 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	851 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	852 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	853 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	854 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	855 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	856 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	857 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	858 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	859 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	860 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	861 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	862 }
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	863 /* This causes a crash in testoverlay for some reason. Apple bug? */
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	864 #if 0
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	865 if (texture->access == SDL_TEXTUREACCESS_STREAMING
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	866 && texture->format == SDL_PIXELFORMAT_ARGB8888) {
2237 e57a883ffa86 Advertise the most efficient format for the screen. Of course SDL code needs Sam Lantinga <slouken@libsdl.org> parents: 2236 diff changeset	867 /*
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	868 if (renderdata->glTextureRangeAPPLE) {
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	869 renderdata->glTextureRangeAPPLE(data->type,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	870 texture->h * data->pitch,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	871 data->pixels);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	872 }
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	873 */
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	874 renderdata->glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	875 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	876 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	877 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	878 #endif
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	879 #endif
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	880 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	881 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	882 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	883 }
3041 20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych Sam Lantinga <slouken@libsdl.org> parents: 3013 diff changeset	884 renderdata->glDisable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	885 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	886 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	887 GL_SetError("glTexImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	888 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	889 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 static int
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	894 GL_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	895 void *pixels, int pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	896 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	897 GL_TextureData data = (GL_TextureData ) texture->driverdata;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	898
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	899 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	900 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	901 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	902 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	903
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	904 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	905 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	909 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	910 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	912 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	913 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	914 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	915 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	916 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	917 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	918 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	919 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	920 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	921 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	922 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	923 renderdata->glEnable(data->type);
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	924 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	925 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	926 GL_UNSIGNED_BYTE, data->palette);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	935 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	937 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	938 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	939 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	940 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	941 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	942 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	943 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	944 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	945 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	946 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	947 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	948 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	950 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	952 static void
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	953 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	954 int pitch)
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	955 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	956 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	957 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	958 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	959 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	960 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	961 renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2808 368410632f2d Whoops, we need this for subrect updates (testsprite) Sam Lantinga <slouken@libsdl.org> parents: 2804 diff changeset	962 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	963 (pitch / bytes_per_pixel(texture->format)) /
3013 8cc00819c8d6 Reverted Bob's indent checkin Sam Lantinga <slouken@libsdl.org> parents: 3011 diff changeset	964 ((GL_TextureData *) texture->driverdata)->
8cc00819c8d6 Reverted Bob's indent checkin Sam Lantinga <slouken@libsdl.org> parents: 3011 diff changeset	965 HACK_RYAN_FIXME);
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	966 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	967
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	969 GL_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	970 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	971 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	972 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	973
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	974 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	975 GL_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	976 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	977 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	978 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	979
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	980 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	981 GL_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	982 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	983 switch (texture->blendMode) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	984 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	985 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	986 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	987 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	988 case SDL_BLENDMODE_MOD:
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	989 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	990 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	991 SDL_Unsupported();
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	992 texture->blendMode = SDL_BLENDMODE_NONE;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	993 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	994 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	995 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	996
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	997 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	998 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	999 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1001 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1002 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1003 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1004
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1005 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1006 SetupTextureUpdate(renderdata, texture, pitch);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1007 renderdata->glEnable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1008 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1009 renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1010 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1011 pixels);
3041 20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych Sam Lantinga <slouken@libsdl.org> parents: 3013 diff changeset	1012 renderdata->glDisable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1013 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1014 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1015 GL_SetError("glTexSubImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1016 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1017 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1018 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1020
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1022 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1024 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1025 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1026 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1027
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1028 if (markDirty) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1029 SDL_AddDirtyRect(&data->dirty, rect);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1030 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1031
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1032 *pixels =
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1033 (void ) ((Uint8 ) data->pixels + rect->y * data->pitch +
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1034 rect->x * bytes_per_pixel(texture->format));
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1035 *pitch = data->pitch;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1036 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1037 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1038
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1039 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1040 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1041 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1042 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1043
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1046 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1047 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1048 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1049 int i;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1050
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1051 for (i = 0; i < numrects; ++i) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1052 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1053 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1054 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1055
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1056 static void
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1057 GL_SetBlendMode(GL_RenderData * data, int blendMode, int isprimitive)
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1058 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1059 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1060 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1061 case SDL_BLENDMODE_NONE:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1062 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1063 data->glDisable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1064 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1065 case SDL_BLENDMODE_MASK:
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1066 if (isprimitive) {
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1067 /* The same as SDL_BLENDMODE_NONE */
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1068 blendMode = SDL_BLENDMODE_NONE;
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1069 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1070 data->glDisable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1071 } else {
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1072 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1073 data->glEnable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1074 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1075 }
3457 06e948183b59 Found a way to implement mask semantics in OpenGL Sam Lantinga <slouken@libsdl.org> parents: 3455 diff changeset	1076 break;
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1077 case SDL_BLENDMODE_BLEND:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1078 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1079 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1080 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1081 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1082 case SDL_BLENDMODE_ADD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1083 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1084 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1085 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1086 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1087 case SDL_BLENDMODE_MOD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1088 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1089 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1090 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1091 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1092 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1093 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1094 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1095 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1096
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1097 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1098 GL_RenderClear(SDL_Renderer * renderer)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1099 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1100 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1101
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1102 data->glClearColor((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1103 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1104 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1105 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1106
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1107 data->glClear(GL_COLOR_BUFFER_BIT);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1108
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1109 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1110 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1111
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1112 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1113 GL_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1114 int count)
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1115 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1116 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1117 int i;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1118
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1119 GL_SetBlendMode(data, renderer->blendMode, 1);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1120
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1121 data->glColor4f((GLfloat) renderer->r * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1122 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1123 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1124 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1125
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1126 data->glBegin(GL_POINTS);
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1127 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1128 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1129 }
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1130 data->glEnd();
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1131
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1132 return 0;
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1133 }
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1134
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1135 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1136 GL_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1137 int count)
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1138 {
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1139 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1140 int i;
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1141
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1142 GL_SetBlendMode(data, renderer->blendMode, 1);
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1143
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1144 data->glColor4f((GLfloat) renderer->r * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1145 (GLfloat) renderer->g * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1146 (GLfloat) renderer->b * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1147 (GLfloat) renderer->a * inv255f);
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1148
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1149 if (count > 2 &&
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1150 points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1151 data->glBegin(GL_LINE_LOOP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1152 /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1153 --count;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1154 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1155 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1156 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1157 data->glEnd();
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1158 } else {
5088 c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008 Sam Lantinga <slouken@libsdl.org> parents: 5062 diff changeset	1159 #if defined(__APPLE__) \|\| defined(__WIN32__)
4910 f205711f73d5 Fix and rename VS2010 project files, add tests to VS2010 solution, fix VS compiler warning Andreas Schiffler <aschiffler@ferzkopp.net> parents: 4905 diff changeset	1160 #else
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1161 int x1, y1, x2, y2;
4910 f205711f73d5 Fix and rename VS2010 project files, add tests to VS2010 solution, fix VS compiler warning Andreas Schiffler <aschiffler@ferzkopp.net> parents: 4905 diff changeset	1162 #endif
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1163
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1164 data->glBegin(GL_LINE_STRIP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1165 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1166 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1167 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1168 data->glEnd();
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1169
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1170 /* The line is half open, so we need one more point to complete it.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1171 * http://www.opengl.org/documentation/specs/version1.1/glspec1.1/node47.html
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1172 * If we have to, we can use vertical line and horizontal line textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1173 * for vertical and horizontal lines, and then create custom textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1174 * for diagonal lines and software render those. It's terrible, but at
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1175 * least it would be pixel perfect.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1176 */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1177 data->glBegin(GL_POINTS);
5088 c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008 Sam Lantinga <slouken@libsdl.org> parents: 5062 diff changeset	1178 #if defined(__APPLE__) \|\| defined(__WIN32__)
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1179 /* Mac OS X and Windows seem to always leave the second point open */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1180 data->glVertex2f(0.5f + points[count-1].x, 0.5f + points[count-1].y);
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1181 #else
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1182 /* Linux seems to leave the right-most or bottom-most point open */
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1183 x1 = points[0].x;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1184 y1 = points[0].y;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1185 x2 = points[count-1].x;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1186 y2 = points[count-1].y;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1187
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1188 if (x1 > x2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1189 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1190 } else if (x2 > x1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1191 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1192 } else if (y1 > y2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1193 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1194 } else if (y2 > y1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1195 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1196 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1197 #endif
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1198 data->glEnd();
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1199 }
3455 5a7b5760c875 Include the endpoint in the line we're drawing Sam Lantinga <slouken@libsdl.org> parents: 3454 diff changeset	1200
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1201 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1202 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1205 GL_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1206 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1207 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1208 int i, x, y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1209
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1210 GL_SetBlendMode(data, renderer->blendMode, 1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1211
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1212 data->glColor4f((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1213 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1214 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1215 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1216
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1217 data->glBegin(GL_LINE_LOOP);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1218 for (i = 0; i < count; ++i) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1219 const SDL_Rect *rect = rects[i];
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1220
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1221 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1222 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1223 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1224
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1225 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1226 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1227 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1228
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1229 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1230 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1231 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1232
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1233 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1234 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1235 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1236 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1237 data->glEnd();
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1238
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1239 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1240 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1241
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1242 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1243 GL_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1244 {
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1245 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1246 int i;
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1247
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1248 GL_SetBlendMode(data, renderer->blendMode, 1);
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1249
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1250 data->glColor4f((GLfloat) renderer->r * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1251 (GLfloat) renderer->g * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1252 (GLfloat) renderer->b * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1253 (GLfloat) renderer->a * inv255f);
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1254
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1255 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1256 const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1257
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1258 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1259 }
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1260
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1261 return 0;
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1262 }
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1263
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1264 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1265 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1266 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1267 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1268 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1269 GL_TextureData texturedata = (GL_TextureData ) texture->driverdata;
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1270 GLuint shader = 0;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1271 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1272 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1273
2275 12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers. Sam Lantinga <slouken@libsdl.org> parents: 2246 diff changeset	1274 if (texturedata->dirty.list) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1275 SDL_DirtyRect *dirty;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1276 void *pixels;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1277 int bpp = bytes_per_pixel(texture->format);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1278 int pitch = texturedata->pitch;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1279
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1280 SetupTextureUpdate(data, texture, pitch);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1281 data->glEnable(texturedata->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1282 data->glBindTexture(texturedata->type, texturedata->texture);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1283 for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1284 SDL_Rect *rect = &dirty->rect;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1285 pixels =
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1286 (void ) ((Uint8 ) texturedata->pixels + rect->y * pitch +
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1287 rect->x * bpp);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1288 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1289 rect->w / texturedata->HACK_RYAN_FIXME,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1290 rect->h, texturedata->format,
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1291 texturedata->formattype, pixels);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1292 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1293 SDL_ClearDirtyRects(&texturedata->dirty);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1294 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1295
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1296 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1298 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1299 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1300
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1301 minu = (GLfloat) srcrect->x / texture->w;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1302 minu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1303 maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1304 maxu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1305 minv = (GLfloat) srcrect->y / texture->h;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1306 minv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1307 maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1308 maxv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1309
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1310 data->glEnable(texturedata->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1311 data->glBindTexture(texturedata->type, texturedata->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1312
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1313 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1314 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1315 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1316 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1317 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1318 } else {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1319 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1320 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1321
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1322 GL_SetBlendMode(data, texture->blendMode, 0);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1323
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1324 /* Set up the shader for the copy, we have a special one for MASK */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1325 shader = texturedata->shader;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1326 if (texture->blendMode == SDL_BLENDMODE_MASK && !shader) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1327 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1328 data->fragment_program_mask =
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1329 compile_shader(data, GL_FRAGMENT_PROGRAM_ARB,
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1330 fragment_program_mask_source_code);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1331 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1332 /* That's okay, we'll just miss some of the blend semantics */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1333 data->fragment_program_mask = ~0;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1334 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1335 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1336 if (data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1337 shader = data->fragment_program_mask;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1338 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1339 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1340
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1341 if (shader) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1342 data->glEnable(GL_FRAGMENT_PROGRAM_ARB);
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1343 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, shader);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1344 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1345
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1346 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1347 data->glTexCoord2f(minu, minv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1348 data->glVertex2f((GLfloat) minx, (GLfloat) miny);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1349 data->glTexCoord2f(maxu, minv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1350 data->glVertex2f((GLfloat) maxx, (GLfloat) miny);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1351 data->glTexCoord2f(minu, maxv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1352 data->glVertex2f((GLfloat) minx, (GLfloat) maxy);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1353 data->glTexCoord2f(maxu, maxv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1354 data->glVertex2f((GLfloat) maxx, (GLfloat) maxy);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1355 data->glEnd();
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1357 if (shader) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1358 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1359 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1360
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1361 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1362
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1363 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1364 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1365
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1366 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1367 GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1368 Uint32 pixel_format, void * pixels, int pitch)
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1369 {
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1370 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	1371 SDL_Window *window = renderer->window;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1372 GLint internalFormat;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1373 GLenum format, type;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1374 Uint8 src, dst, *tmp;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1375 int length, rows;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1376
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1377 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1378 /* FIXME: Do a temp copy to a format that is supported */
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1379 SDL_SetError("Unsupported pixel format");
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1380 return -1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1381 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1382
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1383 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1384 data->glPixelStorei(GL_PACK_LSB_FIRST, 1);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1385 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1386 data->glPixelStorei(GL_PACK_LSB_FIRST, 0);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1387 }
3446 0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1388 data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1389 data->glPixelStorei(GL_PACK_ROW_LENGTH,
0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1390 (pitch / bytes_per_pixel(pixel_format)));
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1391
3447 294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1392 data->glReadPixels(rect->x, (window->h-rect->y)-rect->h, rect->w, rect->h,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1393 format, type, pixels);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1394
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1395 /* Flip the rows to be top-down */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1396 length = rect->w * bytes_per_pixel(pixel_format);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1397 src = (Uint8)pixels + (rect->h-1)pitch;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1398 dst = (Uint8*)pixels;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1399 tmp = SDL_stack_alloc(Uint8, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1400 rows = rect->h / 2;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1401 while (rows--) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1402 SDL_memcpy(tmp, dst, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1403 SDL_memcpy(dst, src, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1404 SDL_memcpy(src, tmp, length);
3447 294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1405 dst += pitch;
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1406 src -= pitch;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1407 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1408 SDL_stack_free(tmp);
3440 e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1409
e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1410 return 0;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1411 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1412
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1413 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1414 GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1415 Uint32 pixel_format, const void * pixels, int pitch)
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1416 {
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1417 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	1418 SDL_Window *window = renderer->window;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1419 GLint internalFormat;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1420 GLenum format, type;
3607 8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1421 Uint8 src, dst, *tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1422 int length, rows;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1423
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1424 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1425 /* FIXME: Do a temp copy to a format that is supported */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1426 SDL_SetError("Unsupported pixel format");
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1427 return -1;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1428 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1429
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1430 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1431 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1432 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1433 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1434 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1435 data->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1436 data->glPixelStorei(GL_UNPACK_ROW_LENGTH,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1437 (pitch / bytes_per_pixel(pixel_format)));
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1438
3607 8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1439 /* Flip the rows to be bottom-up */
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1440 length = rect->h * rect->w * pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1441 tmp = SDL_stack_alloc(Uint8, length);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1442 src = (Uint8)pixels + (rect->h-1)pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1443 dst = (Uint8*)tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1444 rows = rect->h;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1445 while (rows--) {
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1446 SDL_memcpy(dst, src, pitch);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1447 dst += pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1448 src -= pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1449 }
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1450
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1451 data->glRasterPos2i(rect->x, (window->h-rect->y));
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1452 data->glDrawPixels(rect->w, rect->h, format, type, tmp);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1453 SDL_stack_free(tmp);
3440 e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1454
e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1455 return 0;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1456 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1457
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1458 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1459 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1460 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1461 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1462 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1463
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1464 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1465 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1466 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1467 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1468 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1469
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1470 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1471 return;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1472 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1473 if (data->texture) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1474 renderdata->glDeleteTextures(1, &data->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1475 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1476 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1477 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1478 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1479 if (data->pixels) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1480 SDL_free(data->pixels);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1481 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1482 SDL_FreeDirtyRects(&data->dirty);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1483 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1484 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1485 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1486
1975 ccef0d0c40c6 Added resize support for GDI and Direct3D renderers Sam Lantinga <slouken@libsdl.org> parents: 1974 diff changeset	1487 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1488 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1489 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1490 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1491
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1492 if (data) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1493 if (data->context) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1494 if (data->GL_ARB_fragment_program_supported) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1495 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1496 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1497 if (data->fragment_program_mask &&
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1498 data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1499 data->glDeleteProgramsARB(1,
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1500 &data->fragment_program_mask);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1501 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1502 if (data->fragment_program_UYVY &&
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1503 data->fragment_program_UYVY != ~0) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1504 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1505 &data->fragment_program_UYVY);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1506 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1507 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1508
2328 91e601d9df8b re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being Bob Pendleton <bob@pendleton.com> parents: 2295 diff changeset	1509 /* SDL_GL_MakeCurrent(0, NULL); // doesn't do anything */
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1510 SDL_GL_DeleteContext(data->context);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1511 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1512 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1513 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1514 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1515 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1516
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	1517 #endif /* SDL_VIDEO_RENDER_OGL */
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1518
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1519 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_renderer_gl.c @ 5142:57851a238c8f