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

annotate src/video/x11/SDL_x11opengl.c @ 2609:eec0c81ede06 gsoc2008_force_feedback

CONVERT now checks for overflows.

author	Edgar Simo <bobbens@gmail.com>
date	Tue, 05 Aug 2008 18:26:11 +0000
parents	7b53a8401195
children	e1da92da346c 911db724ea24

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
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	68 static int X11_GL_InitializeMemory(_THIS);
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	69
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 X11_GL_LoadLibrary(_THIS, const char *path)
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 void *handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 if (_this->gl_config.driver_loaded) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 if (path) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 SDL_SetError("OpenGL library already loaded");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 ++_this->gl_config.driver_loaded;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 if (path == NULL) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 path = SDL_getenv("SDL_OPENGL_LIBRARY");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 if (path == NULL) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 path = DEFAULT_OPENGL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 handle = GL_LoadObject(path);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 if (!handle) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 return -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 }
2243 5523312f311e Date: Wed, 15 Aug 2007 01:08:38 +0200 Sam Lantinga <slouken@libsdl.org> parents: 2178 diff changeset	94 // LoadLibrary may be called before WindowCreate!
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	95 // Must create the memory used by GL
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	96 X11_GL_InitializeMemory(_this);
2244 5234868559fa indent Sam Lantinga <slouken@libsdl.org> parents: 2243 diff changeset	97
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 /* Load new function pointers */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 _this->gl_data->glXGetProcAddress =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 (void ()(const GLubyte *)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 "glXGetProcAddressARB");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 _this->gl_data->glXChooseVisual =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 (XVisualInfo * ()(Display , int, int *)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 "glXChooseVisual");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 _this->gl_data->glXCreateContext =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 (GLXContext()(Display , XVisualInfo *, GLXContext, int))
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 GL_LoadFunction(handle, "glXCreateContext");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 _this->gl_data->glXDestroyContext =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 (void ()(Display , GLXContext)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 "glXDestroyContext");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 _this->gl_data->glXMakeCurrent =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 (int ()(Display , GLXDrawable, GLXContext)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 "glXMakeCurrent");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 _this->gl_data->glXSwapBuffers =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 (void ()(Display , GLXDrawable)) GL_LoadFunction(handle,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 "glXSwapBuffers");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 if (!_this->gl_data->glXChooseVisual \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 !_this->gl_data->glXCreateContext \|\|
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 !_this->gl_data->glXDestroyContext \|\|
1956 ba0d62354872 Simplified driver window creation code. Sam Lantinga <slouken@libsdl.org> parents: 1955 diff changeset	121 !_this->gl_data->glXMakeCurrent \|\| !_this->gl_data->glXSwapBuffers) {
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 SDL_SetError("Could not retrieve OpenGL functions");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 return -1;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 _this->gl_config.dll_handle = handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 SDL_strlcpy(_this->gl_config.driver_path, path,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 SDL_arraysize(_this->gl_config.driver_path));
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 _this->gl_config.driver_loaded = 1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 return 0;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 void *
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 X11_GL_GetProcAddress(_THIS, const char *proc)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 void *handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 handle = _this->gl_config.dll_handle;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 if (_this->gl_data->glXGetProcAddress) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 return _this->gl_data->glXGetProcAddress((const GLubyte *) proc);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 return GL_LoadFunction(handle, proc);
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 static void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 X11_GL_UnloadLibrary(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 {
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 if (--_this->gl_config.driver_loaded > 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 return;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 GL_UnloadObject(_this->gl_config.dll_handle);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 _this->gl_config.dll_handle = NULL;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 static SDL_bool
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 HasExtension(const char extension, const char extensions)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 const char *start;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 const char where, terminator;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 /* Extension names should not have spaces. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 where = SDL_strchr(extension, ' ');
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 if (where \|\| *extension == '\0')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 if (!extensions)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 /* 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	172 * OpenGL extensions string. Don't be fooled by sub-strings,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 * etc. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 start = extensions;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 for (;;) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 where = SDL_strstr(start, extension);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 if (!where)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 break;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 terminator = where + SDL_strlen(extension);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 if (where == start \|\| *(where - 1) == ' ')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 if (terminator == ' ' \|\| terminator == '\0')
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 return SDL_TRUE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 start = terminator;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 return SDL_FALSE;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 static void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 X11_GL_InitExtensions(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 int screen = ((SDL_DisplayData *) SDL_CurrentDisplay.driverdata)->screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 XVisualInfo *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 XSetWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 Window w;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 GLXContext context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 const char (glXQueryExtensionsStringFunc) (Display *, int);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 const char *extensions;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 vinfo = X11_GL_GetVisual(_this, display, screen);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 if (!vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 return;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 xattr.background_pixel = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 xattr.border_pixel = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 xattr.colormap =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 XCreateColormap(display, RootWindow(display, screen), vinfo->visual,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 AllocNone);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 w = XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 vinfo->depth, InputOutput, vinfo->visual,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 (CWBackPixel \| CWBorderPixel \| CWColormap), &xattr);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 if (context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 _this->gl_data->glXMakeCurrent(display, w, context);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 XFree(vinfo);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 glXQueryExtensionsStringFunc =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 (const char ()(Display *, int)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 "glXQueryExtensionsString");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 if (glXQueryExtensionsStringFunc) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 extensions = glXQueryExtensionsStringFunc(display, screen);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 extensions = NULL;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 /* Check for SGI_swap_control */
2105 12bcd4fd2606 Date: Wed, 23 May 2007 00:39:47 +0300 Ryan C. Gordon <icculus@icculus.org> parents: 1956 diff changeset	232 if (HasExtension("GLX_SGI_swap_control", extensions)) {
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 _this->gl_data->glXSwapIntervalSGI =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 /* Check for GLX_MESA_swap_control */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 if (HasExtension("GLX_MESA_swap_control", extensions)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 _this->gl_data->glXSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 (GLint(*)(unsigned)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 "glXSwapIntervalMESA");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 _this->gl_data->glXGetSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 (GLint(*)(void)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 "glXGetSwapIntervalMESA");
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 /* Check for GLX_EXT_visual_rating */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 if (HasExtension("GLX_EXT_visual_rating", extensions)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 if (context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 _this->gl_data->glXMakeCurrent(display, None, NULL);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 _this->gl_data->glXDestroyContext(display, context);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 XDestroyWindow(display, w);
2323 4ac07ae446d3 Fixed many valgrind errors. But, I broke testdyngl. Bob Pendleton <bob@pendleton.com> parents: 2322 diff changeset	257 X11_PumpEvents(_this);
1952 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
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	260 static int
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	261 X11_GL_InitializeMemory(_THIS)
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 if (_this->gl_data) {
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 }
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	275 _this->gl_data->initialized = 0;
1952 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 return 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	280 int
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	281 X11_GL_Initialize(_THIS)
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	282 {
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	283
2324 3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	284 if (X11_GL_InitializeMemory(_this) < 0) {
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	285 return -1;
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	286 }
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	287 ++_this->gl_data->initialized;
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	288
2324 3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	289 if (X11_GL_LoadLibrary(_this, NULL) < 0) {
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	290 return -1;
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	291 }
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	292
2324 3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	293 /* Initialize extensions */
3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	294 X11_GL_InitExtensions(_this);
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	295
2324 3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	296 return 0;
2322 c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	297 }
c25d45b7add3 Fixing valgrind errors. Bob Pendleton <bob@pendleton.com> parents: 2320 diff changeset	298
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 X11_GL_Shutdown(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 if (!_this->gl_data \|\| (--_this->gl_data->initialized > 0)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 return;
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
1954 c20e158a9299 Don't unload the OpenGL library before the X display is closed. Sam Lantinga <slouken@libsdl.org> parents: 1953 diff changeset	306 /* Don't actually unload the library, since it may have registered
c20e158a9299 Don't unload the OpenGL library before the X display is closed. Sam Lantinga <slouken@libsdl.org> parents: 1953 diff changeset	307 * X11 shutdown hooks, per the notes at:
c20e158a9299 Don't unload the OpenGL library before the X display is closed. Sam Lantinga <slouken@libsdl.org> parents: 1953 diff changeset	308 * http://dri.sourceforge.net/doc/DRIuserguide.html
c20e158a9299 Don't unload the OpenGL library before the X display is closed. Sam Lantinga <slouken@libsdl.org> parents: 1953 diff changeset	309 * //X11_GL_UnloadLibrary(_this);
c20e158a9299 Don't unload the OpenGL library before the X display is closed. Sam Lantinga <slouken@libsdl.org> parents: 1953 diff changeset	310 */
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 SDL_free(_this->gl_data);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 _this->gl_data = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 XVisualInfo *
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 X11_GL_GetVisual(_THIS, Display * display, int screen)
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 XVisualInfo *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 /* 64 seems nice. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 int attribs[64];
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 int i;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 /* Setup our GLX attributes according to the gl_config. */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 i = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 attribs[i++] = GLX_RGBA;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 attribs[i++] = GLX_RED_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 attribs[i++] = _this->gl_config.red_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 attribs[i++] = GLX_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 attribs[i++] = _this->gl_config.green_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 attribs[i++] = GLX_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 attribs[i++] = _this->gl_config.blue_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 if (_this->gl_config.alpha_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 attribs[i++] = GLX_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 attribs[i++] = _this->gl_config.alpha_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 }
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 if (_this->gl_config.buffer_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 attribs[i++] = GLX_BUFFER_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 attribs[i++] = _this->gl_config.buffer_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 }
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 if (_this->gl_config.double_buffer) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 attribs[i++] = GLX_DOUBLEBUFFER;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 attribs[i++] = GLX_DEPTH_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 attribs[i++] = _this->gl_config.depth_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 if (_this->gl_config.stencil_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 attribs[i++] = GLX_STENCIL_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 attribs[i++] = _this->gl_config.stencil_size;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 if (_this->gl_config.accum_red_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 attribs[i++] = GLX_ACCUM_RED_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 attribs[i++] = _this->gl_config.accum_red_size;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 if (_this->gl_config.accum_green_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 attribs[i++] = GLX_ACCUM_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 attribs[i++] = _this->gl_config.accum_green_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 if (_this->gl_config.accum_blue_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 attribs[i++] = GLX_ACCUM_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 attribs[i++] = _this->gl_config.accum_blue_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 if (_this->gl_config.accum_alpha_size) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 attribs[i++] = GLX_ACCUM_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 attribs[i++] = _this->gl_config.accum_alpha_size;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 if (_this->gl_config.stereo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 attribs[i++] = GLX_STEREO;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 if (_this->gl_config.multisamplebuffers) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 attribs[i++] = _this->gl_config.multisamplebuffers;
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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 if (_this->gl_config.multisamplesamples) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 attribs[i++] = GLX_SAMPLES_ARB;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 attribs[i++] = _this->gl_config.multisamplesamples;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 if (_this->gl_config.accelerated >= 0
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 && _this->gl_data->HAS_GLX_EXT_visual_rating) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 attribs[i++] = GLX_VISUAL_CAVEAT_EXT;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 attribs[i++] = GLX_NONE_EXT;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 #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	397 if (!SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR")) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 attribs[i++] = GLX_X_VISUAL_TYPE;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 attribs[i++] = GLX_DIRECT_COLOR;
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 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 attribs[i++] = None;
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 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 #ifdef GLX_DIRECT_COLOR
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 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	407 attribs[i - 3] = None;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 #endif
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 if (!vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 SDL_SetError("Couldn't find matching GLX visual");
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 return vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 SDL_GLContext
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 X11_GL_CreateContext(_THIS, SDL_Window * window)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 int screen =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 ((SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata)->
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 XWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 XVisualInfo v, *vinfo;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 int n;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 GLXContext context = NULL;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429
1955 8c6106e45fc1 Sam Lantinga <slouken@libsdl.org> parents: 1954 diff changeset	430 /* We do this to create a clean separation between X and GLX errors. */
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 XGetWindowAttributes(display, data->window, &xattr);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 v.screen = screen;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 v.visualid = XVisualIDFromVisual(xattr.visual);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 vinfo = XGetVisualInfo(display, VisualScreenMask \| VisualIDMask, &v, &n);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 if (vinfo) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 context =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 XFree(vinfo);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 if (!context) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 SDL_SetError("Could not create GL context");
2178 114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	445 return NULL;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 }
2178 114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	447
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	448 if (X11_GL_MakeCurrent(_this, window, context) < 0) {
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	449 X11_GL_DeleteContext(_this, context);
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	450 return NULL;
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	451 }
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	452
114a541cfae2 Creating a context makes it current, per the documentation. Sam Lantinga <slouken@libsdl.org> parents: 2105 diff changeset	453 return context;
1952 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
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 X11_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 Window drawable =
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 (window ? ((SDL_WindowData *) window->driverdata)->window : None);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 GLXContext glx_context = (GLXContext) context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 int status;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 status = 0;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 if (!_this->gl_data->glXMakeCurrent(display, drawable, glx_context)) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 SDL_SetError("Unable to make GL context current");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 XSync(display, False);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 return (status);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474
2327 7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	475 /*
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	476 0 is a valid argument to glxSwapIntervalMESA and setting it to 0
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	477 with the MESA version of the extension will undo the effect of a
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	478 previous call with a value that is greater than zero (or at least
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	479 that is what the FM says. OTOH, 0 is an invalid argument to
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	480 glxSwapIntervalSGI and it returns an error if you call it with 0 as
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	481 an argument.
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	482 */
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	483
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	484 static int swapinterval = -1;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 X11_GL_SetSwapInterval(_THIS, int interval)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 int status;
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 if (_this->gl_data->glXSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 status = _this->gl_data->glXSwapIntervalMESA(interval);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 if (status != 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 SDL_SetError("glxSwapIntervalMESA failed");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 status = -1;
2327 7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	495 } else {
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	496 swapinterval = interval;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 } else if (_this->gl_data->glXSwapIntervalSGI) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 status = _this->gl_data->glXSwapIntervalSGI(interval);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 if (status != 0) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 SDL_SetError("glxSwapIntervalSGI failed");
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 status = -1;
2327 7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	503 } else {
7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	504 swapinterval = interval;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 } else {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 SDL_Unsupported();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 status = -1;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 return status;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 int
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 X11_GL_GetSwapInterval(_THIS)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 if (_this->gl_data->glXGetSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 return _this->gl_data->glXGetSwapIntervalMESA();
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 } else {
2327 7b53a8401195 In testdyngl.c the event type was being anded (&) with SDL_KEYDOWN and if the result was none zero the program was quiting. This is very weird because it was Bob Pendleton <bob@pendleton.com> parents: 2324 diff changeset	519 return swapinterval;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 X11_GL_SwapWindow(_THIS, SDL_Window * window)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 SDL_WindowData data = (SDL_WindowData ) window->driverdata;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 _this->gl_data->glXSwapBuffers(display, data->window);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 void
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 X11_GL_DeleteContext(_THIS, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 {
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 Display display = ((SDL_VideoData ) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 GLXContext glx_context = (GLXContext) context;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 _this->gl_data->glXDestroyContext(display, glx_context);
2324 3202e4826c57 more valgrind errors fixed. Plus I ran make indent which changed a few files. Bob Pendleton <bob@pendleton.com> parents: 2323 diff changeset	539 XSync(display, False);
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 }
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 #endif /* SDL_VIDEO_OPENGL_GLX */
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/x11/SDL_x11opengl.c @ 2609:eec0c81ede06 gsoc2008_force_feedback