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

annotate src/video/ataricommon/SDL_atarigl.c @ 3936:c5c3c772f5aa SDL-1.2

Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's attempt to disable screen savers. Works for Quartz (Mac OS X) and X11. Need a formal API for this in 1.3, still. Fixes Bugzilla #415.

author	Ryan C. Gordon <icculus@icculus.org>
date	Fri, 06 Apr 2007 20:30:41 +0000
parents	d910939febfa
children	782fd950bd46 c121d94672cb a1b03ba2fcd0

rev	line source
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1 /*
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	4
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	9
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	13 Library General Public License for more details.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	14
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	16 License along with this library; if not, write to the Free
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	18
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	19 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	20 slouken@libsdl.org
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1379 diff changeset	22 #include "SDL_config.h"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	23
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	24 /* Atari OSMesa.ldg implementation of SDL OpenGL support */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	25
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	26 /--- Includes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	27
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	28 #if SDL_VIDEO_OPENGL
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	29 #include <GL/osmesa.h>
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	30 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	31
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	32 #include <mint/osbind.h>
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	33
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	34 #include "SDL_endian.h"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	35 #include "SDL_video.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	36 #include "SDL_atarigl_c.h"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	37 #if SDL_VIDEO_OPENGL_OSMESA_DYNAMIC
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	38 #include "SDL_loadso.h"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	39 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	40
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	41 /--- Defines ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	42
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	43 #define PATH_OSMESA_LDG "osmesa.ldg"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	44 #define PATH_MESAGL_LDG "mesa_gl.ldg"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	45 #define PATH_TINYGL_LDG "tiny_gl.ldg"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	46
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	47 #define VDI_RGB 0xf
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	48
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	49 /--- Functions prototypes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	50
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	51 static void SDL_AtariGL_UnloadLibrary(_THIS);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	52
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	53 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	54 static void CopyShadowNull(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	55 static void CopyShadowDirect(_THIS, SDL_Surface *surface);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	56 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	57 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	58 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	59 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	60 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	61 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	62 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	63 static void CopyShadow8888To555(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	64 static void CopyShadow8888To565(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	65
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	66 static void ConvertNull(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	67 static void Convert565To555be(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	68 static void Convert565To555le(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	69 static void Convert565le(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	70 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	71
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	72 static int InitNew(_THIS, SDL_Surface *current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	73 static int InitOld(_THIS, SDL_Surface *current);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	74 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	75
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	76 /--- Public functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	77
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	78 int SDL_AtariGL_Init(_THIS, SDL_Surface *current)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	79 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	80 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	81 if (gl_oldmesa) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	82 gl_active = InitOld(this, current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	83 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	84 gl_active = InitNew(this, current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	85 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	86 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	87
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	88 return (gl_active);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	89 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	90
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	91 void SDL_AtariGL_Quit(_THIS, SDL_bool unload)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	92 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	93 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	94 if (gl_oldmesa) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	95 /* Old mesa implementations */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	96 if (this->gl_data->OSMesaDestroyLDG) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	97 this->gl_data->OSMesaDestroyLDG();
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	98 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	99 if (gl_shadow) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	100 Mfree(gl_shadow);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	101 gl_shadow = NULL;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	102 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	103 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	104 /* New mesa implementation */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	105 if (gl_ctx) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	106 if (this->gl_data->OSMesaDestroyContext) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	107 this->gl_data->OSMesaDestroyContext(gl_ctx);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	108 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	109 gl_ctx = NULL;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	110 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	111 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	112
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	113 if (unload) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	114 SDL_AtariGL_UnloadLibrary(this);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	115 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	116
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	117 #endif /* SDL_VIDEO_OPENGL */
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	118 gl_active = 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	119 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	120
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	121 int SDL_AtariGL_LoadLibrary(_THIS, const char *path)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	122 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	123 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	124
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	125 #if SDL_VIDEO_OPENGL_OSMESA_DYNAMIC
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	126 void *handle;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	127 SDL_bool cancel_load;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	128
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	129 if (gl_active) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	130 SDL_SetError("OpenGL context already created");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	131 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	132 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	133
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	134 /* Unload previous driver */
cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	135 SDL_AtariGL_UnloadLibrary(this);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	136
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	137 /* Load library given by path */
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	138 handle = SDL_LoadObject(path);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	139 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	140 /* Try to load another one */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	141 path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	142 if ( path != NULL ) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	143 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	144 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	145
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	146 /* If it does not work, try some other */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	147 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	148 path = PATH_OSMESA_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	149 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	150 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	151
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	152 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	153 path = PATH_MESAGL_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	154 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	155 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	156
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	157 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	158 path = PATH_TINYGL_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	159 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	160 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	161 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	162
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	163 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	164 SDL_SetError("Could not load OpenGL library");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	165 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	166 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	167
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	168 this->gl_data->glGetIntegerv = SDL_LoadFunction(handle, "glGetIntegerv");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	169 this->gl_data->glFinish = SDL_LoadFunction(handle, "glFinish");
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	170 this->gl_data->glFlush = SDL_LoadFunction(handle, "glFlush");
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	171
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	172 cancel_load = SDL_FALSE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	173 if (this->gl_data->glGetIntegerv == NULL) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	174 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	175 } else {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	176 /* We need either glFinish (OSMesa) or glFlush (TinyGL) */
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	177 if ((this->gl_data->glFinish == NULL) &&
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	178 (this->gl_data->glFlush == NULL)) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	179 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	180 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	181 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	182 if (cancel_load) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	183 SDL_SetError("Could not retrieve OpenGL functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	184 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	185 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	186 SDL_AtariGL_InitPointers(this);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	187 return -1;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	188 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	189
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	190 /* Load functions pointers (osmesa.ldg) */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	191 this->gl_data->OSMesaCreateContextExt = SDL_LoadFunction(handle, "OSMesaCreateContextExt");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	192 this->gl_data->OSMesaDestroyContext = SDL_LoadFunction(handle, "OSMesaDestroyContext");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	193 this->gl_data->OSMesaMakeCurrent = SDL_LoadFunction(handle, "OSMesaMakeCurrent");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	194 this->gl_data->OSMesaPixelStore = SDL_LoadFunction(handle, "OSMesaPixelStore");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	195 this->gl_data->OSMesaGetProcAddress = SDL_LoadFunction(handle, "OSMesaGetProcAddress");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	196
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	197 /* Load old functions pointers (mesa_gl.ldg, tiny_gl.ldg) */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	198 this->gl_data->OSMesaCreateLDG = SDL_LoadFunction(handle, "OSMesaCreateLDG");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	199 this->gl_data->OSMesaDestroyLDG = SDL_LoadFunction(handle, "OSMesaDestroyLDG");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	200
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	201 gl_oldmesa = 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	202
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	203 if ( (this->gl_data->OSMesaCreateContextExt == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	204 (this->gl_data->OSMesaDestroyContext == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	205 (this->gl_data->OSMesaMakeCurrent == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	206 (this->gl_data->OSMesaPixelStore == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	207 (this->gl_data->OSMesaGetProcAddress == NULL)) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	208 /* Hum, maybe old library ? */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	209 if ( (this->gl_data->OSMesaCreateLDG == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	210 (this->gl_data->OSMesaDestroyLDG == NULL)) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	211 SDL_SetError("Could not retrieve OSMesa functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	212 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	213 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	214 SDL_AtariGL_InitPointers(this);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	215 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	216 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	217 gl_oldmesa = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	218 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	219 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	220
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	221 this->gl_config.dll_handle = handle;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	222 if ( path ) {
1379 c0a74f199ecf Use only safe string functions Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	223 SDL_strlcpy(this->gl_config.driver_path, path,
c0a74f199ecf Use only safe string functions Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	224 SDL_arraysize(this->gl_config.driver_path));
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	225 } else {
1379 c0a74f199ecf Use only safe string functions Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	226 *this->gl_config.driver_path = '\0';
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	227 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	228
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	229 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	230 this->gl_config.driver_loaded = 1;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	231
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	232 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	233 #else
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	234 return -1;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	235 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	236 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	237
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	238 void SDL_AtariGL_GetProcAddress(_THIS, const char proc)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	239 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	240 void *func = NULL;
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	241 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	242
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	243 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	244 func = SDL_LoadFunction(this->gl_config.dll_handle, (void *)proc);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	245 } else if (this->gl_data->OSMesaGetProcAddress) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	246 func = this->gl_data->OSMesaGetProcAddress(proc);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	247 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	248
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	249 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	250 return func;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	251 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	252
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	253 int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	254 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	255 #if SDL_VIDEO_OPENGL
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	256 GLenum mesa_attrib;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	257 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	258
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	259 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	260 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	261 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	262
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	263 switch(attrib) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	264 case SDL_GL_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	265 mesa_attrib = GL_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	266 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	267 case SDL_GL_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	268 mesa_attrib = GL_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	269 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	270 case SDL_GL_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	271 mesa_attrib = GL_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	272 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	273 case SDL_GL_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	274 mesa_attrib = GL_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	275 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	276 case SDL_GL_DOUBLEBUFFER:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	277 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	278 *value = ((surface->flags & SDL_DOUBLEBUF)==SDL_DOUBLEBUF);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	279 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	280 case SDL_GL_DEPTH_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	281 mesa_attrib = GL_DEPTH_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	282 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	283 case SDL_GL_STENCIL_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	284 mesa_attrib = GL_STENCIL_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	285 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	286 case SDL_GL_ACCUM_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	287 mesa_attrib = GL_ACCUM_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	288 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	289 case SDL_GL_ACCUM_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	290 mesa_attrib = GL_ACCUM_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	291 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	292 case SDL_GL_ACCUM_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	293 mesa_attrib = GL_ACCUM_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	294 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	295 case SDL_GL_ACCUM_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	296 mesa_attrib = GL_ACCUM_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	297 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	298 default :
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	299 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	300 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	301
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	302 this->gl_data->glGetIntegerv(mesa_attrib, value);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	303 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	304 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	305 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	306 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	307 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	308
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	309 int SDL_AtariGL_MakeCurrent(_THIS)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	310 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	311 #if SDL_VIDEO_OPENGL
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	312 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	313 GLenum type;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	314
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	315 if (gl_oldmesa && gl_active) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	316 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	317 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	318
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	319 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	320 if ((this->gl_data->OSMesaMakeCurrent == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	321 (this->gl_data->OSMesaPixelStore == NULL)) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	322 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	323 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	324 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	325
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	326 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	327 SDL_SetError("Invalid OpenGL context");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	328 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	329 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	330
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	331 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	332
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	333 if ((surface->format->BitsPerPixel == 15) \|\| (surface->format->BitsPerPixel == 16)) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	334 type = GL_UNSIGNED_SHORT_5_6_5;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	335 } else {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	336 type = GL_UNSIGNED_BYTE;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	337 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	338
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	339 if (!(this->gl_data->OSMesaMakeCurrent(gl_ctx, surface->pixels, type, surface->w, surface->h))) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	340 SDL_SetError("Can not make OpenGL context current");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	341 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	342 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	344 /* OSMesa draws upside down */
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	345 this->gl_data->OSMesaPixelStore(OSMESA_Y_UP, 0);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	346
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	347 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	348 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	350 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	351 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	352
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	353 void SDL_AtariGL_SwapBuffers(_THIS)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	354 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	355 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	356 if (gl_active) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	357 if (this->gl_config.dll_handle) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	358 if (this->gl_data->glFinish) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	359 this->gl_data->glFinish();
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	360 } else if (this->gl_data->glFlush) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	361 this->gl_data->glFlush();
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	362 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	363 } else {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	364 this->gl_data->glFinish();
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	365 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	366 gl_copyshadow(this, this->screen);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	367 gl_convert(this, this->screen);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	368 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	369 #endif
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	370 }
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	371
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	372 void SDL_AtariGL_InitPointers(_THIS)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	373 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	374 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	375 this->gl_data->OSMesaCreateContextExt = OSMesaCreateContextExt;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	376 this->gl_data->OSMesaDestroyContext = OSMesaDestroyContext;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	377 this->gl_data->OSMesaMakeCurrent = OSMesaMakeCurrent;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	378 this->gl_data->OSMesaPixelStore = OSMesaPixelStore;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	379 this->gl_data->OSMesaGetProcAddress = OSMesaGetProcAddress;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	380
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	381 this->gl_data->glGetIntegerv = glGetIntegerv;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	382 this->gl_data->glFinish = glFinish;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	383 this->gl_data->glFlush = glFlush;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	384
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	385 this->gl_data->OSMesaCreateLDG = NULL;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	386 this->gl_data->OSMesaDestroyLDG = NULL;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	387 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	388 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	389
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	390 /--- Private functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	391
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	392 static void SDL_AtariGL_UnloadLibrary(_THIS)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	393 {
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	394 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	395 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	396 SDL_UnloadObject(this->gl_config.dll_handle);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	397 this->gl_config.dll_handle = NULL;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	398
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	399 /* Restore pointers to static library */
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	400 SDL_AtariGL_InitPointers(this);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	401 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	402 #endif
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	403 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	404
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	405 /--- Creation of an OpenGL context using new/old functions ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	406
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	407 #if SDL_VIDEO_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	408 static int InitNew(_THIS, SDL_Surface *current)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	409 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	410 GLenum osmesa_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	411 SDL_PixelFormat *pixel_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	412 Uint32 redmask;
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	413 int recreatecontext;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	414 GLint newaccumsize;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	415
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	416 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	417 if (this->gl_data->OSMesaCreateContextExt == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	418 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	419 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	420 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	421
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	422 /* Init OpenGL context using OSMesa */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	423 gl_convert = ConvertNull;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	424 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	425 gl_upsidedown = SDL_FALSE;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	426
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	427 pixel_format = current->format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	428 redmask = pixel_format->Rmask;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	429 switch (pixel_format->BitsPerPixel) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	430 case 15:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	431 /* 1555, big and little endian, unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	432 gl_pixelsize = 2;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	433 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	434 if (redmask == 31<<10) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	435 gl_convert = Convert565To555be;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	436 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	437 gl_convert = Convert565To555le;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	438 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	439 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	440 case 16:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	441 gl_pixelsize = 2;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	442 if (redmask == 31<<11) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	443 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	444 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	445 /* 565, little endian, unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	446 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	447 gl_convert = Convert565le;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	448 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	449 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	450 case 24:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	451 gl_pixelsize = 3;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	452 if (redmask == 255<<16) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	453 osmesa_format = OSMESA_RGB;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	454 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	455 osmesa_format = OSMESA_BGR;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	456 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	457 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	458 case 32:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	459 gl_pixelsize = 4;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	460 if (redmask == 255<<16) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	461 osmesa_format = OSMESA_ARGB;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	462 } else if (redmask == 255<<8) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	463 osmesa_format = OSMESA_BGRA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	464 } else if (redmask == 255<<24) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	465 osmesa_format = OSMESA_RGBA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	466 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	467 /* ABGR format unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	468 osmesa_format = OSMESA_BGRA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	469 gl_convert = ConvertBGRAToABGR;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	470 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	471 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	472 default:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	473 gl_pixelsize = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	474 osmesa_format = OSMESA_COLOR_INDEX;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	475 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	476 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	477
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	478 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	479 newaccumsize =
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	480 this->gl_config.accum_red_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	481 this->gl_config.accum_green_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	482 this->gl_config.accum_blue_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	483 this->gl_config.accum_alpha_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	484 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	485 if (gl_ctx &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	486 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	487 (gl_curdepth == this->gl_config.depth_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	488 (gl_curstencil == this->gl_config.stencil_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	489 (gl_curaccum == newaccumsize)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	490 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	491 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	492 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	493 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	494
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	495 gl_ctx = this->gl_data->OSMesaCreateContextExt(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	496 osmesa_format, this->gl_config.depth_size,
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	497 this->gl_config.stencil_size, newaccumsize, NULL );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	498
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	499 if (gl_ctx) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	500 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	501 gl_curdepth = this->gl_config.depth_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	502 gl_curstencil = this->gl_config.stencil_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	503 gl_curaccum = newaccumsize;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	504 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	505 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	506 gl_curdepth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	507 gl_curstencil = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	508 gl_curaccum = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	509 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	510 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	511
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	512 return (gl_ctx != NULL);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	513 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	514
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	515
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	516 static int InitOld(_THIS, SDL_Surface *current)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	517 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	518 GLenum osmesa_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	519 SDL_PixelFormat *pixel_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	520 Uint32 redmask;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	521 int recreatecontext, tinygl_present;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	522
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	523 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	524 if (this->gl_data->OSMesaCreateLDG == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	525 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	526 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	527 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	528
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	529 /* TinyGL only supports VDI_RGB (OSMESA_RGB) */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	530 tinygl_present=0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	531 if (this->gl_config.dll_handle) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	532 if (this->gl_data->glFinish == NULL) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	533 tinygl_present=1;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	534 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	535 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	536
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	537 /* Init OpenGL context using OSMesa */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	538 gl_convert = ConvertNull;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	539 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	540 gl_upsidedown = SDL_FALSE;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	541
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	542 pixel_format = current->format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	543 redmask = pixel_format->Rmask;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	544 switch (pixel_format->BitsPerPixel) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	545 case 15:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	546 /* 15 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	547 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	548 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	549 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	550 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	551 gl_copyshadow = CopyShadowRGBTo555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	552 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	553 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	554 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	555 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	556 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	557 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	558 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	559 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	560 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	561 gl_copyshadow = CopyShadow8888To555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	562 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	563 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	564 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	565 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	566 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	567 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	568 case 16:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	569 /* 16 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	570 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	571 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	572 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	573 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	574 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	575 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	576 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	577 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	578 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	579 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	580 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	581 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	582 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	583 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	584 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	585 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	586 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	587 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	588 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	589 case 24:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	590 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	591 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	592 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	593 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	594 if (redmask != 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	595 gl_copyshadow = CopyShadowRGBSwap;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	596 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	597 } else {
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	598 gl_copyshadow = CopyShadowDirect;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	599 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	600 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	601 osmesa_format = OSMESA_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	602 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	603 osmesa_format = OSMESA_BGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	604 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	605 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	606 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	607 case 32:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	608 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	609 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	610 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	611 gl_copyshadow = CopyShadowRGBToARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	612 if (redmask == 255) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	613 gl_convert = CopyShadowRGBToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	614 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	615 gl_convert = CopyShadowRGBToBGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	616 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	617 gl_convert = CopyShadowRGBToRGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	618 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	619 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	620 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	621 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	622 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	623 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	624 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	625 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	626 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	627 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	628 osmesa_format = OSMESA_RGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	629 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	630 /* ABGR format unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	631 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	632 gl_convert = ConvertBGRAToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	633 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	634 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	635 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	636 default:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	637 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	638 SDL_AtariGL_Quit(this, SDL_FALSE);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	639 return 0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	640 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	641 gl_pixelsize = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	642 gl_copyshadow = CopyShadowDirect;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	643 osmesa_format = OSMESA_COLOR_INDEX;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	644 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	645 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	646
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	647 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	648 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	649 if (gl_shadow &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	650 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	651 (gl_curwidth == current->w) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	652 (gl_curheight == current->h)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	653 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	654 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	655 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	656 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	657
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	658 gl_shadow = this->gl_data->OSMesaCreateLDG(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	659 osmesa_format, GL_UNSIGNED_BYTE, current->w, current->h
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	660 );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	661
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	662 if (gl_shadow) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	663 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	664 gl_curwidth = current->w;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	665 gl_curheight = current->h;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	666 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	667 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	668 gl_curwidth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	669 gl_curheight = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	670 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	671 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	672
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	673 return (gl_shadow != NULL);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	674 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	675
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	676 /--- Conversions routines from shadow buffer to the screen ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	677
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	678 static void CopyShadowNull(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	679 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	680 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	681
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	682 static void CopyShadowDirect(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	683 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	684 int y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	685 Uint8 srcline, dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	686
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	687 srcline = gl_shadow;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	688 srcpitch = surface->w * gl_pixelsize;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	689 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	690 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	691 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	692 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	693 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	694 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	695
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	696 for (y=0; y<surface->h; y++) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	697 SDL_memcpy(dstline, srcline, srcpitch);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	698
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	699 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	700 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	701 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	702 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	703
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	704 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	705 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	706 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	707 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	708 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	709
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	710 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	711 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	712 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	713 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	714 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	715 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	716 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	717 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	718
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	719 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	720 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	721 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	722 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	723 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	724
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	725 dstcolor = ((*srccol++)<<7) & (31<<10);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	726 dstcolor \|= ((*srccol++)<<2) & (31<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	727 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	728 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	729 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	730
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	731 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	732 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	733 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	734 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	735
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	736 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	737 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	738 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	739 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	740 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	741
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	742 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	743 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	744 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	745 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	746 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	747 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	748 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	749 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	750
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	751 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	752 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	753 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	754
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	755 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	756 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	757
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	758 dstcolor = ((*srccol++)<<8) & (31<<11);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	759 dstcolor \|= ((*srccol++)<<3) & (63<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	760 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	761 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	762 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	763
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	764 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	765 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	766 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	767 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	768
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	769 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	770 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	771 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	772 Uint8 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	773 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	774
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	775 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	776 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	777 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	778 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	779 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	780 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	781 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	782 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	783
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	784 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	785 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	786 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	787
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	788 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	789 *dstcol++ = srccol[2];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	790 *dstcol++ = srccol[1];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	791 *dstcol++ = srccol[0];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	792 srccol += 3;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	793 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	794
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	795 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	796 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	797 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	798 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	799
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	800 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	801 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	802 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	803 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	804 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	805
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	806 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	807 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	808 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	809 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	810 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	811 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	812 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	813 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	814
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	815 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	816 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	817 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	818
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	819 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	820 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	821
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	822 dstcolor = (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	823 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	824 dstcolor \|= *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	825
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	826 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	827 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	828
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	829 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	830 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	831 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	832 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	833
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	834 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	835 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	836 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	837 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	838 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	839
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	840 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	841 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	842 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	843 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	844 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	845 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	846 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	847 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	848
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	849 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	850 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	851 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	852
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	853 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	854 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	855
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	856 dstcolor = *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	857 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	858 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	859
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	860 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	861 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	862
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	863 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	864 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	865 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	866 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	867
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	868 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	869 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	870 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	871 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	872 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	873
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	874 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	875 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	876 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	877 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	878 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	879 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	880 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	881 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	882
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	883 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	884 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	885 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	886
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	887 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	888 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	889
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	890 dstcolor = (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	891 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	892 dstcolor \|= (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	893
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	894 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	895 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	896
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	897 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	898 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	899 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	900 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	901
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	902 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	903 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	904 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	905 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	906 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	907
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	908 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	909 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	910 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	911 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	912 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	913 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	914 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	915 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	916
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	917 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	918 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	919 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	920
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	921 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	922 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	923
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	924 dstcolor = (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	925 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	926 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	927
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	928 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	929 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	930
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	931 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	932 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	933 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	934 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	935
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	936 static void CopyShadow8888To555(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	937 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	938 int x,y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	939 Uint16 dstline, dstcol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	940 Uint32 srcline, srccol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	941
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	942 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	943 srcpitch = (surface->w * gl_pixelsize) >>2;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	944 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	945 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	946 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	947 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	948 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	949 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	950
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	951 for (y=0; y<surface->h; y++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	952 srccol = srcline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	953 dstcol = dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	954 for (x=0; x<surface->w; x++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	955 Uint32 srccolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	956 Uint16 dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	957
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	958 srccolor = *srccol++;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	959 dstcolor = (srccolor>>9) & (31<<10);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	960 dstcolor \|= (srccolor>>6) & (31<<5);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	961 dstcolor \|= (srccolor>>3) & 31;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	962 *dstcol++ = dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	963 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	964
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	965 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	966 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	967 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	968 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	969
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	970 static void CopyShadow8888To565(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	971 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	972 int x,y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	973 Uint16 dstline, dstcol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	974 Uint32 srcline, srccol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	975
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	976 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	977 srcpitch = (surface->w * gl_pixelsize) >> 2;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	978 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	979 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	980 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	981 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	982 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	983 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	984
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	985 for (y=0; y<surface->h; y++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	986 srccol = srcline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	987 dstcol = dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	988
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	989 for (x=0; x<surface->w; x++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	990 Uint32 srccolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	991 Uint16 dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	992
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	993 srccolor = *srccol++;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	994 dstcolor = (srccolor>>8) & (31<<11);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	995 dstcolor \|= (srccolor>>5) & (63<<5);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	996 dstcolor \|= (srccolor>>3) & 31;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	997 *dstcol++ = dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	998 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	999
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1000 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1001 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1002 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1003 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1004
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1005 /--- Conversions routines in the screen ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1006
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1007 static void ConvertNull(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1008 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1009 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1010
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1011 static void Convert565To555be(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1012 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1013 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1014 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1015
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1016 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1017 pitch = surface->pitch >> 1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1018 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1019 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1020 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1021 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1022
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1023 *pixel++ = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1024 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1025
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1026 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1027 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1028 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1029
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1030 static void Convert565To555le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1031 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1032 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1033 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1034
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1035 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1036 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1037 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1038 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1039 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1040 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1041
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1042 color = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1043 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1044 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1045
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1046 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1047 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1048 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1049
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1050 static void Convert565le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1051 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1052 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1053 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1054
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1055 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1056 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1057 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1058 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1059 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1060 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1061
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1062 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1063 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1064
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1065 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1066 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1067 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1068
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1069 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1070 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1071 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1072 unsigned long line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1073
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1074 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1075 pitch = surface->pitch >>2;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1076 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1077 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1078 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1079 unsigned long color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1080
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1081 *pixel++ = (color<<24)\|(color>>8);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1082 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1083
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1084 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1085 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1086 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1087
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	1088 #endif /* SDL_VIDEO_OPENGL */

Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarigl.c @ 3936:c5c3c772f5aa SDL-1.2