sdl-ios-xcode: src/video/x11/SDL

author	Sam Lantinga <slouken@libsdl.org>
date	Fri, 28 Jul 2006 08:43:17 +0000
parents
children	214880ed48c3

rev	line source
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with _this library; if not, write to the Free Software
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_x11video.h"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 /* GLX implementation of SDL OpenGL support */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #if SDL_VIDEO_OPENGL_GLX
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include "SDL_loadso.h"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #if defined(__IRIX__)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 /* IRIX doesn't have a GL library versioning system */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #define DEFAULT_OPENGL "libGL.so"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #elif defined(__MACOSX__)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #elif defined(__QNXNTO__)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #define DEFAULT_OPENGL "libGL.so.3"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #else
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 #define DEFAULT_OPENGL "libGL.so.1"
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #ifndef GLX_ARB_multisample
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #define GLX_ARB_multisample
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 #define GLX_SAMPLE_BUFFERS_ARB 100000
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 #define GLX_SAMPLES_ARB 100001
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 #ifndef GLX_EXT_visual_rating
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 #define GLX_EXT_visual_rating
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 #define GLX_VISUAL_CAVEAT_EXT 0x20
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 #define GLX_NONE_EXT 0x8000
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 #define GLX_SLOW_VISUAL_EXT 0x8001
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 #define OPENGL_REQUIRS_DLOPEN
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 #include <dlfcn.h>
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW\|RTLD_GLOBAL))
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 #define GL_LoadFunction dlsym
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 #define GL_UnloadObject dlclose
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 #else
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 #define GL_LoadObject SDL_LoadObject
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 #define GL_LoadFunction SDL_LoadFunction
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 #define GL_UnloadObject SDL_UnloadObject
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 X11_GL_LoadLibrary(_THIS, const char *path)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 void *handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 if (_this->gl_config.driver_loaded) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 if (path) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 SDL_SetError("OpenGL library already loaded");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 ++_this->gl_config.driver_loaded;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 if (path == NULL) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 path = SDL_getenv("SDL_OPENGL_LIBRARY");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 if (path == NULL) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 path = DEFAULT_OPENGL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 handle = GL_LoadObject(path);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 if (!handle) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 /* Load new function pointers */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 _this->gl_data->glXGetProcAddress =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 (void ()(const GLubyte *)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 "glXGetProcAddressARB");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 _this->gl_data->glXChooseVisual =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 (XVisualInfo * ()(Display , int, int *)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 "glXChooseVisual");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 _this->gl_data->glXCreateContext =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 (GLXContext()(Display , XVisualInfo *, GLXContext, int))
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 GL_LoadFunction(handle, "glXCreateContext");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 _this->gl_data->glXDestroyContext =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 (void ()(Display , GLXContext)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 "glXDestroyContext");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 _this->gl_data->glXMakeCurrent =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 (int ()(Display , GLXDrawable, GLXContext)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 "glXMakeCurrent");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 _this->gl_data->glXSwapBuffers =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 (void ()(Display , GLXDrawable)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 "glXSwapBuffers");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 _this->gl_data->glXGetConfig =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 (int ()(Display , XVisualInfo , int, int ))
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 GL_LoadFunction(handle, "glXGetConfig");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 if (!_this->gl_data->glXChooseVisual \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 !_this->gl_data->glXCreateContext \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 !_this->gl_data->glXDestroyContext \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 !_this->gl_data->glXMakeCurrent \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 !_this->gl_data->glXSwapBuffers \|\| !_this->gl_data->glXGetConfig) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 SDL_SetError("Could not retrieve OpenGL functions");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 _this->gl_config.dll_handle = handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 SDL_strlcpy(_this->gl_config.driver_path, path,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 SDL_arraysize(_this->gl_config.driver_path));
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 _this->gl_config.driver_loaded = 1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 void *
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 X11_GL_GetProcAddress(_THIS, const char *proc)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 void *handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 handle = _this->gl_config.dll_handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 if (_this->gl_data->glXGetProcAddress) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 return _this->gl_data->glXGetProcAddress((const GLubyte *) proc);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 return GL_LoadFunction(handle, proc);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 static void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 X11_GL_UnloadLibrary(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 if (_this->gl_config.driver_loaded > 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 if (--_this->gl_config.driver_loaded > 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 return;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 GL_UnloadObject(_this->gl_config.dll_handle);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 _this->gl_config.dll_handle = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 static SDL_bool
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 HasExtension(const char extension, const char extensions)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 const char *start;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 const char where, terminator;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 /* Extension names should not have spaces. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 where = SDL_strchr(extension, ' ');
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 if (where \|\| *extension == '\0')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 if (!extensions)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 /* It takes a bit of care to be fool-proof about parsing the
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 * OpenGL extensions string. Don't be fooled by sub-strings,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 * etc. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 start = extensions;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 for (;;) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 where = SDL_strstr(start, extension);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 if (!where)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 break;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 terminator = where + SDL_strlen(extension);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 if (where == start \|\| *(where - 1) == ' ')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 if (terminator == ' ' \|\| terminator == '\0')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 return SDL_TRUE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 start = terminator;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 static void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 X11_GL_InitExtensions(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 int screen = ((SDL_DisplayData *) SDL_CurrentDisplay.driverdata)->screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 XVisualInfo *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 XSetWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 Window w;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 GLXContext context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 const char (glXQueryExtensionsStringFunc) (Display *, int);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 const char *extensions;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 vinfo = X11_GL_GetVisual(_this, display, screen);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 if (!vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 return;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 xattr.background_pixel = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 xattr.border_pixel = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 xattr.colormap =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 XCreateColormap(display, RootWindow(display, screen), vinfo->visual,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 AllocNone);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 w = XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 vinfo->depth, InputOutput, vinfo->visual,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 (CWBackPixel \| CWBorderPixel \| CWColormap), &xattr);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 if (context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 _this->gl_data->glXMakeCurrent(display, w, context);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 XFree(vinfo);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 glXQueryExtensionsStringFunc =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 (const char ()(Display *, int)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 "glXQueryExtensionsString");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 if (glXQueryExtensionsStringFunc) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 extensions = glXQueryExtensionsStringFunc(display, screen);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 extensions = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 /* Check for SGI_swap_control */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 if (HasExtension("SGI_swap_control", extensions)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 _this->gl_data->glXSwapIntervalSGI =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 /* Check for GLX_MESA_swap_control */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 if (HasExtension("GLX_MESA_swap_control", extensions)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 _this->gl_data->glXSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 (GLint(*)(unsigned)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 "glXSwapIntervalMESA");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 _this->gl_data->glXGetSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 (GLint(*)(void)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 "glXGetSwapIntervalMESA");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 /* Check for GLX_EXT_visual_rating */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 if (HasExtension("GLX_EXT_visual_rating", extensions)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 if (context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 _this->gl_data->glXMakeCurrent(display, None, NULL);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 _this->gl_data->glXDestroyContext(display, context);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 XDestroyWindow(display, w);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 X11_PumpEvents(_this);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 X11_GL_Initialize(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 if (_this->gl_data) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 ++_this->gl_data->initialized;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 _this->gl_data =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 (struct SDL_GLDriverData *) SDL_calloc(1,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 sizeof(struct
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 SDL_GLDriverData));
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 if (!_this->gl_data) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 SDL_OutOfMemory();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 _this->gl_data->initialized = 1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 if (X11_GL_LoadLibrary(_this, NULL) < 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 /* Initialize extensions */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 X11_GL_InitExtensions(_this);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 X11_GL_Shutdown(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 if (!_this->gl_data \|\| (--_this->gl_data->initialized > 0)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 return;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 X11_GL_UnloadLibrary(_this);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 SDL_free(_this->gl_data);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 _this->gl_data = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 XVisualInfo *
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 X11_GL_GetVisual(_THIS, Display * display, int screen)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 XVisualInfo *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 /* 64 seems nice. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 int attribs[64];
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 int i;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 /* Setup our GLX attributes according to the gl_config. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 i = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 attribs[i++] = GLX_RGBA;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 attribs[i++] = GLX_RED_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 attribs[i++] = _this->gl_config.red_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 attribs[i++] = GLX_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 attribs[i++] = _this->gl_config.green_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 attribs[i++] = GLX_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 attribs[i++] = _this->gl_config.blue_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 if (_this->gl_config.alpha_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 attribs[i++] = GLX_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 attribs[i++] = _this->gl_config.alpha_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 if (_this->gl_config.buffer_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 attribs[i++] = GLX_BUFFER_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 attribs[i++] = _this->gl_config.buffer_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 if (_this->gl_config.double_buffer) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 attribs[i++] = GLX_DOUBLEBUFFER;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 attribs[i++] = GLX_DEPTH_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 attribs[i++] = _this->gl_config.depth_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 if (_this->gl_config.stencil_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 attribs[i++] = GLX_STENCIL_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 attribs[i++] = _this->gl_config.stencil_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 if (_this->gl_config.accum_red_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 attribs[i++] = GLX_ACCUM_RED_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 attribs[i++] = _this->gl_config.accum_red_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 if (_this->gl_config.accum_green_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 attribs[i++] = GLX_ACCUM_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 attribs[i++] = _this->gl_config.accum_green_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 if (_this->gl_config.accum_blue_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 attribs[i++] = GLX_ACCUM_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 attribs[i++] = _this->gl_config.accum_blue_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 if (_this->gl_config.accum_alpha_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 attribs[i++] = GLX_ACCUM_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 attribs[i++] = _this->gl_config.accum_alpha_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 if (_this->gl_config.stereo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 attribs[i++] = GLX_STEREO;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 if (_this->gl_config.multisamplebuffers) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 attribs[i++] = _this->gl_config.multisamplebuffers;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 if (_this->gl_config.multisamplesamples) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 attribs[i++] = GLX_SAMPLES_ARB;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 attribs[i++] = _this->gl_config.multisamplesamples;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 if (_this->gl_config.accelerated >= 0
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 && _this->gl_data->HAS_GLX_EXT_visual_rating) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 attribs[i++] = GLX_VISUAL_CAVEAT_EXT;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 attribs[i++] = GLX_NONE_EXT;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 if (!SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR")) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 attribs[i++] = GLX_X_VISUAL_TYPE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 attribs[i++] = GLX_DIRECT_COLOR;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 attribs[i++] = None;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 #ifdef GLX_DIRECT_COLOR
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 if (!vinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR")) { /* No DirectColor visual? Try again.. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 attribs[i - 3] = None;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 if (!vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 SDL_SetError("Couldn't find matching GLX visual");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 return vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 SDL_GLContext
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 X11_GL_CreateContext(_THIS, SDL_Window * window)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 int screen =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 ((SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata)->
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 XWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 XVisualInfo v, *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 int n;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 GLXContext context = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 /* We do _this to create a clean separation between X and GLX errors. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 XGetWindowAttributes(display, data->window, &xattr);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 v.screen = screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 v.visualid = XVisualIDFromVisual(xattr.visual);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 vinfo = XGetVisualInfo(display, VisualScreenMask \| VisualIDMask, &v, &n);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 if (vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 context =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 XFree(vinfo);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 if (!context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 SDL_SetError("Could not create GL context");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 return (SDL_GLContext) context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 X11_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 Window drawable =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 (window ? ((SDL_WindowData *) window->driverdata)->window : None);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 GLXContext glx_context = (GLXContext) context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 int status;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 status = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 if (!_this->gl_data->glXMakeCurrent(display, drawable, glx_context)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 SDL_SetError("Unable to make GL context current");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 return (status);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 X11_GL_SetSwapInterval(_THIS, int interval)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 int status;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 if (_this->gl_data->glXSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 status = _this->gl_data->glXSwapIntervalMESA(interval);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 if (status != 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 SDL_SetError("glxSwapIntervalMESA failed");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 } else if (_this->gl_data->glXSwapIntervalSGI) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 status = _this->gl_data->glXSwapIntervalSGI(interval);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 if (status != 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 SDL_SetError("glxSwapIntervalSGI failed");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 SDL_Unsupported();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 return status;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 X11_GL_GetSwapInterval(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 if (_this->gl_data->glXGetSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 return _this->gl_data->glXGetSwapIntervalMESA();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 SDL_Unsupported();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 X11_GL_SwapWindow(_THIS, SDL_Window * window)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 _this->gl_data->glXSwapBuffers(display, data->window);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 X11_GL_DeleteContext(_THIS, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 GLXContext glx_context = (GLXContext) context;

1952

420716272158 Implemented X11 OpenGL support.