annotate src/video/x11/SDL_x11opengl.c @ 4639:f5cd4b6231ba

Added Test Directory. Touch input works in touchSimp for wacom bamboo fun on Ubuntu linux. Not yet integrated into library. Should support other touch devices and other linux distros, but not tested on anything else.
author Jim Grandpre <jim.tla@gmail.com>
date Mon, 24 May 2010 23:44:24 -0400
parents f7b03b6838cb
children e4e462f591d7
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_x11video.h"
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25
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26 /* GLX implementation of SDL OpenGL support */
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27
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28 #if SDL_VIDEO_OPENGL_GLX
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29 #include "SDL_loadso.h"
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30
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31 #if defined(__IRIX__)
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32 /* IRIX doesn't have a GL library versioning system */
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33 #define DEFAULT_OPENGL "libGL.so"
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34 #elif defined(__MACOSX__)
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35 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib"
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36 #elif defined(__QNXNTO__)
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37 #define DEFAULT_OPENGL "libGL.so.3"
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38 #else
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39 #define DEFAULT_OPENGL "libGL.so.1"
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40 #endif
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41
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42 #ifndef GLX_NONE_EXT
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43 #define GLX_NONE_EXT 0x8000
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44 #endif
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45
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46 #ifndef GLX_ARB_multisample
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47 #define GLX_ARB_multisample
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48 #define GLX_SAMPLE_BUFFERS_ARB 100000
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49 #define GLX_SAMPLES_ARB 100001
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50 #endif
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51
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52 #ifndef GLX_EXT_visual_rating
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53 #define GLX_EXT_visual_rating
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54 #define GLX_VISUAL_CAVEAT_EXT 0x20
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55 #define GLX_NONE_EXT 0x8000
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56 #define GLX_SLOW_VISUAL_EXT 0x8001
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57 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
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58 #endif
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59
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60 #ifndef GLX_ARB_create_context
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61 #define GLX_ARB_create_context
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62 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
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63 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
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64 #define GLX_CONTEXT_FLAGS_ARB 0x2094
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65 #define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001
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66 #define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
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67 #endif
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68
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69 #define OPENGL_REQUIRS_DLOPEN
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70 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN)
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71 #include <dlfcn.h>
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72 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL))
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73 #define GL_LoadFunction dlsym
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74 #define GL_UnloadObject dlclose
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75 #else
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76 #define GL_LoadObject SDL_LoadObject
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77 #define GL_LoadFunction SDL_LoadFunction
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78 #define GL_UnloadObject SDL_UnloadObject
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79 #endif
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80
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81 static void X11_GL_InitExtensions(_THIS);
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82
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83 /* Typedef for the GL 3.0 context creation function */
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84 typedef GLXContext(*PFNGLXCREATECONTEXTATTRIBSARBPROC) (Display * dpy,
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85 GLXFBConfig config,
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86 GLXContext
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87 share_context,
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88 Bool direct,
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89 const int
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90 *attrib_list);
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91
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92 int
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93 X11_GL_LoadLibrary(_THIS, const char *path)
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94 {
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95 void *handle;
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96
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97 /* Load the OpenGL library */
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98 if (path == NULL) {
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99 path = SDL_getenv("SDL_OPENGL_LIBRARY");
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100 }
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101 if (path == NULL) {
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102 path = DEFAULT_OPENGL;
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103 }
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104 _this->gl_config.dll_handle = SDL_LoadObject(path);
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105 if (!_this->gl_config.dll_handle) {
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106 return -1;
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107 }
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108 SDL_strlcpy(_this->gl_config.driver_path, path,
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109 SDL_arraysize(_this->gl_config.driver_path));
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110
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111 /* Allocate OpenGL memory */
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112 _this->gl_data =
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113 (struct SDL_GLDriverData *) SDL_calloc(1,
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114 sizeof(struct
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115 SDL_GLDriverData));
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116 if (!_this->gl_data) {
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117 SDL_OutOfMemory();
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118 return -1;
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119 }
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120
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121 /* Load function pointers */
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122 handle = _this->gl_config.dll_handle;
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123 _this->gl_data->glXGetProcAddress =
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124 (void *(*)(const GLubyte *)) GL_LoadFunction(handle,
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125 "glXGetProcAddressARB");
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126 _this->gl_data->glXChooseVisual =
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127 (XVisualInfo * (*)(Display *, int, int *)) GL_LoadFunction(handle,
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128 "glXChooseVisual");
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129 _this->gl_data->glXCreateContext =
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130 (GLXContext(*)(Display *, XVisualInfo *, GLXContext, int))
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131 GL_LoadFunction(handle, "glXCreateContext");
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132 _this->gl_data->glXDestroyContext =
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133 (void (*)(Display *, GLXContext)) GL_LoadFunction(handle,
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134 "glXDestroyContext");
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135 _this->gl_data->glXMakeCurrent =
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136 (int (*)(Display *, GLXDrawable, GLXContext)) GL_LoadFunction(handle,
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137 "glXMakeCurrent");
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138 _this->gl_data->glXSwapBuffers =
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139 (void (*)(Display *, GLXDrawable)) GL_LoadFunction(handle,
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140 "glXSwapBuffers");
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141
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142 if (!_this->gl_data->glXChooseVisual ||
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143 !_this->gl_data->glXCreateContext ||
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144 !_this->gl_data->glXDestroyContext ||
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145 !_this->gl_data->glXMakeCurrent || !_this->gl_data->glXSwapBuffers) {
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146 SDL_SetError("Could not retrieve OpenGL functions");
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147 return -1;
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148 }
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149
3057
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
150 /* Initialize extensions */
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
151 X11_GL_InitExtensions(_this);
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
152
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 return 0;
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 void *
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 X11_GL_GetProcAddress(_THIS, const char *proc)
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 void *handle;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 handle = _this->gl_config.dll_handle;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 if (_this->gl_data->glXGetProcAddress) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 return _this->gl_data->glXGetProcAddress((const GLubyte *) proc);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 return GL_LoadFunction(handle, proc);
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
3057
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
168 void
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 X11_GL_UnloadLibrary(_THIS)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 {
3057
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
171 /* Don't actually unload the library, since it may have registered
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
172 * X11 shutdown hooks, per the notes at:
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
173 * http://dri.sourceforge.net/doc/DRIuserguide.html
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
174 */
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
175 #if 0
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
176 GL_UnloadObject(_this->gl_config.dll_handle);
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
177 _this->gl_config.dll_handle = NULL;
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
178 #endif
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
179
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
180 /* Free OpenGL memory */
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
181 SDL_free(_this->gl_data);
089a77aebb7d Added test program for SDL_CreateWindowFrom()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
182 _this->gl_data = NULL;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 static SDL_bool
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 HasExtension(const char *extension, const char *extensions)
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 const char *start;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 const char *where, *terminator;
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 /* Extension names should not have spaces. */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 where = SDL_strchr(extension, ' ');
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 if (where || *extension == '\0')
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 if (!extensions)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 return SDL_FALSE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 /* 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
200 * OpenGL extensions string. Don't be fooled by sub-strings,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 * etc. */
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 start = extensions;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 for (;;) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 where = SDL_strstr(start, extension);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 if (!where)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 break;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 terminator = where + SDL_strlen(extension);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 if (where == start || *(where - 1) == ' ')
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 if (*terminator == ' ' || *terminator == '\0')
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 return SDL_TRUE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 start = terminator;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 return SDL_FALSE;
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 static void
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 X11_GL_InitExtensions(_THIS)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 Display *display = ((SDL_VideoData *) _this->driverdata)->display;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3571
diff changeset
224 int screen = ((SDL_DisplayData *) SDL_CurrentDisplay->driverdata)->screen;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 XVisualInfo *vinfo;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 XSetWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 Window w;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 GLXContext context;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 const char *(*glXQueryExtensionsStringFunc) (Display *, int);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 const char *extensions;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 vinfo = X11_GL_GetVisual(_this, display, screen);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 if (!vinfo) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 return;
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 xattr.background_pixel = 0;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 xattr.border_pixel = 0;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 xattr.colormap =
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 XCreateColormap(display, RootWindow(display, screen), vinfo->visual,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 AllocNone);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 w = XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 vinfo->depth, InputOutput, vinfo->visual,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 (CWBackPixel | CWBorderPixel | CWColormap), &xattr);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 if (context) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 _this->gl_data->glXMakeCurrent(display, w, context);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 XFree(vinfo);
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 glXQueryExtensionsStringFunc =
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 (const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 "glXQueryExtensionsString");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 if (glXQueryExtensionsStringFunc) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 extensions = glXQueryExtensionsStringFunc(display, screen);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 } else {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 extensions = NULL;
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 /* 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
260 if (HasExtension("GLX_SGI_swap_control", extensions)) {
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 _this->gl_data->glXSwapIntervalSGI =
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 /* Check for GLX_MESA_swap_control */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 if (HasExtension("GLX_MESA_swap_control", extensions)) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 _this->gl_data->glXSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 (GLint(*)(unsigned)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 "glXSwapIntervalMESA");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 _this->gl_data->glXGetSwapIntervalMESA =
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 (GLint(*)(void)) X11_GL_GetProcAddress(_this,
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 "glXGetSwapIntervalMESA");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 }
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 /* Check for GLX_EXT_visual_rating */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 if (HasExtension("GLX_EXT_visual_rating", extensions)) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 if (context) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 _this->gl_data->glXMakeCurrent(display, None, NULL);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 _this->gl_data->glXDestroyContext(display, context);
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 XDestroyWindow(display, w);
2323
4ac07ae446d3 Fixed many valgrind errors. But, I broke testdyngl.
Bob Pendleton <bob@pendleton.com>
parents: 2322
diff changeset
285 X11_PumpEvents(_this);
1952
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 XVisualInfo *
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 X11_GL_GetVisual(_THIS, Display * display, int screen)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 XVisualInfo *vinfo;
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 /* 64 seems nice. */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 int attribs[64];
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
295 int i = 0;
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
296
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 /* Setup our GLX attributes according to the gl_config. */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 attribs[i++] = GLX_RGBA;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 attribs[i++] = GLX_RED_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 attribs[i++] = _this->gl_config.red_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 attribs[i++] = GLX_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 attribs[i++] = _this->gl_config.green_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 attribs[i++] = GLX_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 attribs[i++] = _this->gl_config.blue_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 if (_this->gl_config.alpha_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 attribs[i++] = GLX_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 attribs[i++] = _this->gl_config.alpha_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 if (_this->gl_config.buffer_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 attribs[i++] = GLX_BUFFER_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 attribs[i++] = _this->gl_config.buffer_size;
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 if (_this->gl_config.double_buffer) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 attribs[i++] = GLX_DOUBLEBUFFER;
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 attribs[i++] = GLX_DEPTH_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 attribs[i++] = _this->gl_config.depth_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 if (_this->gl_config.stencil_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 attribs[i++] = GLX_STENCIL_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 attribs[i++] = _this->gl_config.stencil_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 }
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 if (_this->gl_config.accum_red_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 attribs[i++] = GLX_ACCUM_RED_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 attribs[i++] = _this->gl_config.accum_red_size;
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 if (_this->gl_config.accum_green_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 attribs[i++] = GLX_ACCUM_GREEN_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 attribs[i++] = _this->gl_config.accum_green_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 if (_this->gl_config.accum_blue_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 attribs[i++] = GLX_ACCUM_BLUE_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 attribs[i++] = _this->gl_config.accum_blue_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 if (_this->gl_config.accum_alpha_size) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 attribs[i++] = GLX_ACCUM_ALPHA_SIZE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 attribs[i++] = _this->gl_config.accum_alpha_size;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 }
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 if (_this->gl_config.stereo) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 attribs[i++] = GLX_STEREO;
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 if (_this->gl_config.multisamplebuffers) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 attribs[i++] = _this->gl_config.multisamplebuffers;
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.multisamplesamples) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 attribs[i++] = GLX_SAMPLES_ARB;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 attribs[i++] = _this->gl_config.multisamplesamples;
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
3571
19691cebb866 Default to allow either accelerated or not
Sam Lantinga <slouken@libsdl.org>
parents: 3570
diff changeset
362 if (_this->gl_config.accelerated >= 0 &&
19691cebb866 Default to allow either accelerated or not
Sam Lantinga <slouken@libsdl.org>
parents: 3570
diff changeset
363 _this->gl_data->HAS_GLX_EXT_visual_rating) {
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 attribs[i++] = GLX_VISUAL_CAVEAT_EXT;
3570
7812d3e9564e OpenGL hardware acceleration defaults on
Sam Lantinga <slouken@libsdl.org>
parents: 3361
diff changeset
365 attribs[i++] = _this->gl_config.accelerated ? GLX_NONE_EXT :
7812d3e9564e OpenGL hardware acceleration defaults on
Sam Lantinga <slouken@libsdl.org>
parents: 3361
diff changeset
366 GLX_SLOW_VISUAL_EXT;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 }
3570
7812d3e9564e OpenGL hardware acceleration defaults on
Sam Lantinga <slouken@libsdl.org>
parents: 3361
diff changeset
368
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */
2963
ee331407574f Don't use DirectColor visuals until we implement DirectColor colormap support
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
370 if (X11_UseDirectColorVisuals()) {
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 attribs[i++] = GLX_X_VISUAL_TYPE;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 attribs[i++] = GLX_DIRECT_COLOR;
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 #endif
3570
7812d3e9564e OpenGL hardware acceleration defaults on
Sam Lantinga <slouken@libsdl.org>
parents: 3361
diff changeset
375
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 attribs[i++] = None;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 #ifdef GLX_DIRECT_COLOR
2963
ee331407574f Don't use DirectColor visuals until we implement DirectColor colormap support
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
380 if (!vinfo && X11_UseDirectColorVisuals()) { /* No DirectColor visual? Try again.. */
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 attribs[i - 3] = None;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 #endif
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 if (!vinfo) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 SDL_SetError("Couldn't find matching GLX visual");
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 return vinfo;
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 SDL_GLContext
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 X11_GL_CreateContext(_THIS, SDL_Window * window)
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 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 int screen =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3571
diff changeset
397 ((SDL_DisplayData *) window->display->driverdata)->screen;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 XWindowAttributes xattr;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 XVisualInfo v, *vinfo;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 int n;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 GLXContext context = NULL;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402
1955
Sam Lantinga <slouken@libsdl.org>
parents: 1954
diff changeset
403 /* 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
404 XSync(display, False);
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3571
diff changeset
405 XGetWindowAttributes(display, data->xwindow, &xattr);
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 v.screen = screen;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 v.visualid = XVisualIDFromVisual(xattr.visual);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 vinfo = XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &v, &n);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 if (vinfo) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
410 if (_this->gl_config.major_version < 3) {
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
411 context =
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
412 _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
413 } else {
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
414 /* If we want a GL 3.0 context or later we need to get a temporary
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
415 context to grab the new context creation function */
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
416 GLXContext temp_context =
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
417 _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
418 if (!temp_context) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
419 SDL_SetError("Could not create GL context");
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
420 return NULL;
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
421 } else {
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
422 int attribs[] = {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
423 GLX_CONTEXT_MAJOR_VERSION_ARB,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
424 _this->gl_config.major_version,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
425 GLX_CONTEXT_MINOR_VERSION_ARB,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
426 _this->gl_config.minor_version,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
427 0
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
428 };
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
429
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
430 /* Get a pointer to the context creation function for GL 3.0 */
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
431 PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribs =
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
432 (PFNGLXCREATECONTEXTATTRIBSARBPROC) _this->gl_data->
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
433 glXGetProcAddress((GLubyte *)
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
434 "glXCreateContextAttribsARB");
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
435 if (!glXCreateContextAttribs) {
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
436 SDL_SetError("GL 3.x is not supported");
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
437 context = temp_context;
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
438 } else {
3105
cdeee9f9b14b Fixed bug #721
Sam Lantinga <slouken@libsdl.org>
parents: 3100
diff changeset
439 /* Create a GL 3.x context */
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
440 GLXFBConfig *framebuffer_config = NULL;
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
441 int fbcount = 0;
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
442 GLXFBConfig *(*glXChooseFBConfig) (Display * disp,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
443 int screen,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
444 const int *attrib_list,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
445 int *nelements);
3105
cdeee9f9b14b Fixed bug #721
Sam Lantinga <slouken@libsdl.org>
parents: 3100
diff changeset
446
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
447 glXChooseFBConfig =
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
448 (GLXFBConfig *
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
449 (*)(Display *, int, const int *,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
450 int *)) _this->gl_data->
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
451 glXGetProcAddress((GLubyte *) "glXChooseFBConfig");
3105
cdeee9f9b14b Fixed bug #721
Sam Lantinga <slouken@libsdl.org>
parents: 3100
diff changeset
452
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
453 if (!glXChooseFBConfig
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
454 || !(framebuffer_config =
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
455 glXChooseFBConfig(display,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
456 DefaultScreen(display), NULL,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
457 &fbcount))) {
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
458 SDL_SetError
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
459 ("No good framebuffers found. GL 3.x disabled");
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
460 context = temp_context;
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
461 } else {
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
462 context =
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
463 glXCreateContextAttribs(display,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
464 framebuffer_config[0],
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
465 NULL, True, attribs);
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
466 _this->gl_data->glXDestroyContext(display,
Sam Lantinga <slouken@libsdl.org>
parents: 3105
diff changeset
467 temp_context);
3100
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
468 }
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
469 }
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
470 }
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
471 }
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 XFree(vinfo);
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 XSync(display, False);
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 if (!context) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 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
478 return NULL;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 }
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
480
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
481 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
482 X11_GL_DeleteContext(_this, context);
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
483 return NULL;
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
484 }
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
485
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 2105
diff changeset
486 return context;
1952
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
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 int
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 X11_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 Display *display = ((SDL_VideoData *) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 Window drawable =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3571
diff changeset
494 (window ? ((SDL_WindowData *) window->driverdata)->xwindow : None);
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 GLXContext glx_context = (GLXContext) context;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 int status;
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 status = 0;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 if (!_this->gl_data->glXMakeCurrent(display, drawable, glx_context)) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 SDL_SetError("Unable to make GL context current");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 status = -1;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 XSync(display, False);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 return (status);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507
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
508 /*
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
509 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
510 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
511 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
512 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
513 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
514 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
515 */
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
516
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
517 static int swapinterval = -1;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 int
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 X11_GL_SetSwapInterval(_THIS, int interval)
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 int status;
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 if (_this->gl_data->glXSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 status = _this->gl_data->glXSwapIntervalMESA(interval);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 if (status != 0) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 SDL_SetError("glxSwapIntervalMESA failed");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 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
528 } 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
529 swapinterval = interval;
1952
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 } else if (_this->gl_data->glXSwapIntervalSGI) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 status = _this->gl_data->glXSwapIntervalSGI(interval);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 if (status != 0) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 SDL_SetError("glxSwapIntervalSGI failed");
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 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
536 } 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
537 swapinterval = interval;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 } else {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 SDL_Unsupported();
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 status = -1;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 return status;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 int
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 X11_GL_GetSwapInterval(_THIS)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 if (_this->gl_data->glXGetSwapIntervalMESA) {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 return _this->gl_data->glXGetSwapIntervalMESA();
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 } 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
552 return swapinterval;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 void
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 X11_GL_SwapWindow(_THIS, SDL_Window * window)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 Display *display = data->videodata->display;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3571
diff changeset
562 _this->gl_data->glXSwapBuffers(display, data->xwindow);
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565 void
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 X11_GL_DeleteContext(_THIS, SDL_GLContext context)
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 {
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 Display *display = ((SDL_VideoData *) _this->driverdata)->display;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 GLXContext glx_context = (GLXContext) context;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 _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
572 XSync(display, False);
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 }
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 #endif /* SDL_VIDEO_OPENGL_GLX */
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 /* vi: set ts=4 sw=4 expandtab: */