annotate src/video/x11/SDL_x11gl.c @ 1882:339d733e3699

Fixed bug #258 Account for the menu height in AdjustWindowRectEx()
author Sam Lantinga <slouken@libsdl.org>
date Sat, 24 Jun 2006 04:30:01 +0000
parents 9d940db55a91
children c121d94672cb 0e0883cb7137
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 #include "../../events/SDL_events_c.h"
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26 #include "SDL_x11dga_c.h"
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27 #include "SDL_x11gl_c.h"
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28
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29 #if defined(__IRIX__)
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30 /* IRIX doesn't have a GL library versioning system */
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31 #define DEFAULT_OPENGL "libGL.so"
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32 #elif defined(__MACOSX__)
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33 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib"
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34 #elif defined(__QNXNTO__)
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35 #define DEFAULT_OPENGL "libGL.so.3"
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36 #else
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37 #define DEFAULT_OPENGL "libGL.so.1"
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38 #endif
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39
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40 #ifndef GLX_ARB_multisample
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41 #define GLX_ARB_multisample
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42 #define GLX_SAMPLE_BUFFERS_ARB 100000
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43 #define GLX_SAMPLES_ARB 100001
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44 #endif
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45
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46 #ifndef GLX_EXT_visual_rating
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47 #define GLX_EXT_visual_rating
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48 #define GLX_VISUAL_CAVEAT_EXT 0x20
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49 #define GLX_NONE_EXT 0x8000
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50 #define GLX_SLOW_VISUAL_EXT 0x8001
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51 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
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52 #endif
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53
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54 #if SDL_VIDEO_OPENGL_GLX
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55 static int glXExtensionSupported(_THIS, const char *extension)
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56 {
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57 const char *extensions;
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58 const char *start;
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59 const char *where, *terminator;
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60
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61 /* Extension names should not have spaces. */
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62 where = SDL_strchr(extension, ' ');
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63 if ( where || *extension == '\0' ) {
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64 return 0;
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65 }
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66
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67 extensions = this->gl_data->glXQueryExtensionsString(GFX_Display,SDL_Screen);
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68 /* It takes a bit of care to be fool-proof about parsing the
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69 * OpenGL extensions string. Don't be fooled by sub-strings, etc.
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70 */
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71
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72 start = extensions;
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73
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74 for (;;) {
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75 where = SDL_strstr(start, extension);
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76 if (!where) break;
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77
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78 terminator = where + strlen(extension);
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79 if (where == start || *(where - 1) == ' ')
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80 if (*terminator == ' ' || *terminator == '\0') return 1;
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81
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82 start = terminator;
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83 }
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84 return 0;
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85 }
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86 #endif /* SDL_VIDEO_OPENGL_GLX */
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87
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88 XVisualInfo *X11_GL_GetVisual(_THIS)
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89 {
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90 #if SDL_VIDEO_OPENGL_GLX
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91 /* 64 seems nice. */
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92 int attribs[64];
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93 int i;
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94
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95 /* load the gl driver from a default path */
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96 if ( ! this->gl_config.driver_loaded ) {
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97 /* no driver has been loaded, use default (ourselves) */
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98 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) {
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99 return NULL;
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100 }
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101 }
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102
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103 /* See if we already have a window which we must use */
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104 if ( SDL_windowid ) {
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105 XWindowAttributes a;
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106 XVisualInfo vi_in;
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107 int out_count;
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108
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109 XGetWindowAttributes(SDL_Display, SDL_Window, &a);
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110 vi_in.screen = SDL_Screen;
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111 vi_in.visualid = XVisualIDFromVisual(a.visual);
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112 glx_visualinfo = XGetVisualInfo(SDL_Display,
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113 VisualScreenMask|VisualIDMask, &vi_in, &out_count);
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114 return glx_visualinfo;
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115 }
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116
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117 /* Setup our GLX attributes according to the gl_config. */
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118 i = 0;
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119 attribs[i++] = GLX_RGBA;
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120 attribs[i++] = GLX_RED_SIZE;
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121 attribs[i++] = this->gl_config.red_size;
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122 attribs[i++] = GLX_GREEN_SIZE;
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123 attribs[i++] = this->gl_config.green_size;
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124 attribs[i++] = GLX_BLUE_SIZE;
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125 attribs[i++] = this->gl_config.blue_size;
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126
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127 if( this->gl_config.alpha_size ) {
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128 attribs[i++] = GLX_ALPHA_SIZE;
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129 attribs[i++] = this->gl_config.alpha_size;
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130 }
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131
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132 if( this->gl_config.buffer_size ) {
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133 attribs[i++] = GLX_BUFFER_SIZE;
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134 attribs[i++] = this->gl_config.buffer_size;
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135 }
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136
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137 if( this->gl_config.double_buffer ) {
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138 attribs[i++] = GLX_DOUBLEBUFFER;
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139 }
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140
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141 attribs[i++] = GLX_DEPTH_SIZE;
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142 attribs[i++] = this->gl_config.depth_size;
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143
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144 if( this->gl_config.stencil_size ) {
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145 attribs[i++] = GLX_STENCIL_SIZE;
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146 attribs[i++] = this->gl_config.stencil_size;
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147 }
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148
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149 if( this->gl_config.accum_red_size ) {
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150 attribs[i++] = GLX_ACCUM_RED_SIZE;
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diff changeset
151 attribs[i++] = this->gl_config.accum_red_size;
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152 }
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153
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154 if( this->gl_config.accum_green_size ) {
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
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155 attribs[i++] = GLX_ACCUM_GREEN_SIZE;
0
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diff changeset
156 attribs[i++] = this->gl_config.accum_green_size;
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parents:
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157 }
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158
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159 if( this->gl_config.accum_blue_size ) {
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
diff changeset
160 attribs[i++] = GLX_ACCUM_BLUE_SIZE;
0
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161 attribs[i++] = this->gl_config.accum_blue_size;
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162 }
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163
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164 if( this->gl_config.accum_alpha_size ) {
450
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parents: 297
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165 attribs[i++] = GLX_ACCUM_ALPHA_SIZE;
0
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166 attribs[i++] = this->gl_config.accum_alpha_size;
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167 }
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168
450
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parents: 297
diff changeset
169 if( this->gl_config.stereo ) {
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
diff changeset
170 attribs[i++] = GLX_STEREO;
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
diff changeset
171 }
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
172
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
173 if( this->gl_config.multisamplebuffers ) {
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
174 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
175 attribs[i++] = this->gl_config.multisamplebuffers;
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
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176 }
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parents: 646
diff changeset
177
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
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parents: 655
diff changeset
178 if( this->gl_config.multisamplesamples ) {
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
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parents: 646
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179 attribs[i++] = GLX_SAMPLES_ARB;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
180 attribs[i++] = this->gl_config.multisamplesamples;
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
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parents: 646
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181 }
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
diff changeset
182
1737
eacc5bc01d1c Implemented bug #5
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183 if( this->gl_config.accelerated >= 0 &&
eacc5bc01d1c Implemented bug #5
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parents: 1736
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184 glXExtensionSupported(this, "GLX_EXT_visual_rating") ) {
eacc5bc01d1c Implemented bug #5
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parents: 1736
diff changeset
185 attribs[i++] = GLX_VISUAL_CAVEAT_EXT;
1841
0495a8e98595 Use the correct parameter for GLX_VISUAL_CAVEAT_EXT
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parents: 1737
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186 attribs[i++] = GLX_NONE_EXT;
1737
eacc5bc01d1c Implemented bug #5
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parents: 1736
diff changeset
187 }
eacc5bc01d1c Implemented bug #5
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diff changeset
188
0
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189 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1315
diff changeset
190 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
1060
86885b40a53b Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents: 862
diff changeset
191 attribs[i++] = GLX_X_VISUAL_TYPE;
86885b40a53b Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents: 862
diff changeset
192 attribs[i++] = GLX_DIRECT_COLOR;
86885b40a53b Support SDL_VIDEO_X11_NODIRECTCOLOR for OpenGL visuals
Sam Lantinga <slouken@libsdl.org>
parents: 862
diff changeset
193 }
0
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diff changeset
194 #endif
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195 attribs[i++] = None;
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diff changeset
196
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197 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display,
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diff changeset
198 SDL_Screen, attribs);
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diff changeset
199 #ifdef GLX_DIRECT_COLOR
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1315
diff changeset
200 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */
0
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parents:
diff changeset
201 attribs[i-3] = None;
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parents:
diff changeset
202 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display,
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parents:
diff changeset
203 SDL_Screen, attribs);
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parents:
diff changeset
204 }
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parents:
diff changeset
205 #endif
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parents:
diff changeset
206 if( !glx_visualinfo ) {
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diff changeset
207 SDL_SetError( "Couldn't find matching GLX visual");
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parents:
diff changeset
208 return NULL;
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parents:
diff changeset
209 }
1315
e94b0d7c33bc Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
210 /*
e94b0d7c33bc Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
211 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid);
e94b0d7c33bc Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
212 */
0
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diff changeset
213 return glx_visualinfo;
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parents:
diff changeset
214 #else
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diff changeset
215 SDL_SetError("X11 driver not configured with OpenGL");
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parents:
diff changeset
216 return NULL;
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parents:
diff changeset
217 #endif
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parents:
diff changeset
218 }
74212992fb08 Initial revision
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parents:
diff changeset
219
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parents:
diff changeset
220 int X11_GL_CreateWindow(_THIS, int w, int h)
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parents:
diff changeset
221 {
74212992fb08 Initial revision
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parents:
diff changeset
222 int retval;
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
223 #if SDL_VIDEO_OPENGL_GLX
0
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diff changeset
224 XSetWindowAttributes attributes;
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parents:
diff changeset
225 unsigned long mask;
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parents:
diff changeset
226 unsigned long black;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227
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diff changeset
228 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display,
74212992fb08 Initial revision
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parents:
diff changeset
229 SDL_Screen))
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
230 ? BlackPixel(SDL_Display, SDL_Screen) : 0;
74212992fb08 Initial revision
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parents:
diff changeset
231 attributes.background_pixel = black;
74212992fb08 Initial revision
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parents:
diff changeset
232 attributes.border_pixel = black;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 attributes.colormap = SDL_XColorMap;
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parents:
diff changeset
234 mask = CWBackPixel | CWBorderPixel | CWColormap;
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parents:
diff changeset
235
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
236 SDL_Window = XCreateWindow(SDL_Display, WMwindow,
0
74212992fb08 Initial revision
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parents:
diff changeset
237 0, 0, w, h, 0, glx_visualinfo->depth,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 InputOutput, glx_visualinfo->visual,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 mask, &attributes);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 if ( !SDL_Window ) {
74212992fb08 Initial revision
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parents:
diff changeset
241 SDL_SetError("Could not create window");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 #else
74212992fb08 Initial revision
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parents:
diff changeset
246 SDL_SetError("X11 driver not configured with OpenGL");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 #endif
74212992fb08 Initial revision
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parents:
diff changeset
249 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
251
74212992fb08 Initial revision
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parents:
diff changeset
252 int X11_GL_CreateContext(_THIS)
74212992fb08 Initial revision
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parents:
diff changeset
253 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 int retval;
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
255 #if SDL_VIDEO_OPENGL_GLX
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
256
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 /* We do this to create a clean separation between X and GLX errors. */
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
258 XSync( SDL_Display, False );
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259 glx_context = this->gl_data->glXCreateContext(GFX_Display,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 glx_visualinfo, NULL, True);
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
261 XSync( GFX_Display, False );
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
263 if ( glx_context == NULL ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 SDL_SetError("Could not create GL context");
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
265 return(-1);
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
266 }
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
267 if ( X11_GL_MakeCurrent(this) < 0 ) {
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
268 return(-1);
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
269 }
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
270 gl_active = 1;
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
271
1737
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
272 if ( !glXExtensionSupported(this, "SGI_swap_control") ) {
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
273 this->gl_data->glXSwapIntervalSGI = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 }
1737
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
275 if ( !glXExtensionSupported(this, "GLX_MESA_swap_control") ) {
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
276 this->gl_data->glXSwapIntervalMESA = NULL;
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
277 this->gl_data->glXGetSwapIntervalMESA = NULL;
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
278 }
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
279 if ( this->gl_config.swap_control >= 0 ) {
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
280 if ( this->gl_data->glXSwapIntervalMESA ) {
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
281 this->gl_data->glXSwapIntervalMESA(this->gl_config.swap_control);
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
282 } else if ( this->gl_data->glXSwapIntervalSGI ) {
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
283 this->gl_data->glXSwapIntervalSGI(this->gl_config.swap_control);
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
284 }
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
285 }
0
74212992fb08 Initial revision
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parents:
diff changeset
286 #else
74212992fb08 Initial revision
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parents:
diff changeset
287 SDL_SetError("X11 driver not configured with OpenGL");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
289 if ( gl_active ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
290 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
291 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
292 retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
293 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
294 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
295 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
296
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
297 void X11_GL_Shutdown(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
299 #if SDL_VIDEO_OPENGL_GLX
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
300 /* Clean up OpenGL */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 if( glx_context ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 if (glx_context != NULL)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 this->gl_data->glXDestroyContext(GFX_Display, glx_context);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 glx_context = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 gl_active = 0;
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
310 #endif /* SDL_VIDEO_OPENGL_GLX */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
313 #if SDL_VIDEO_OPENGL_GLX
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 /* Make the current context active */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 int X11_GL_MakeCurrent(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318 int retval;
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
319
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 if ( ! this->gl_data->glXMakeCurrent(GFX_Display,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 SDL_Window, glx_context) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 SDL_SetError("Unable to make GL context current");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325 }
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
326 XSync( GFX_Display, False );
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 /* More Voodoo X server workarounds... Grr... */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 SDL_Lock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 X11_CheckDGAMouse(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331 SDL_Unlock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 /* Get attribute data from glX. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 int glx_attrib = None;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 switch( attrib ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 case SDL_GL_RED_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344 glx_attrib = GLX_RED_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
345 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346 case SDL_GL_GREEN_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347 glx_attrib = GLX_GREEN_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 case SDL_GL_BLUE_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 glx_attrib = GLX_BLUE_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 case SDL_GL_ALPHA_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 glx_attrib = GLX_ALPHA_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 case SDL_GL_DOUBLEBUFFER:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 glx_attrib = GLX_DOUBLEBUFFER;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 case SDL_GL_BUFFER_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 glx_attrib = GLX_BUFFER_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 case SDL_GL_DEPTH_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 glx_attrib = GLX_DEPTH_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 case SDL_GL_STENCIL_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 glx_attrib = GLX_STENCIL_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 case SDL_GL_ACCUM_RED_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 glx_attrib = GLX_ACCUM_RED_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 case SDL_GL_ACCUM_GREEN_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 glx_attrib = GLX_ACCUM_GREEN_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 case SDL_GL_ACCUM_BLUE_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 glx_attrib = GLX_ACCUM_BLUE_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 case SDL_GL_ACCUM_ALPHA_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 glx_attrib = GLX_ACCUM_ALPHA_SIZE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
379 case SDL_GL_STEREO:
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
380 glx_attrib = GLX_STEREO;
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
381 break;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
382 case SDL_GL_MULTISAMPLEBUFFERS:
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
383 glx_attrib = GLX_SAMPLE_BUFFERS_ARB;
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
384 break;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
385 case SDL_GL_MULTISAMPLESAMPLES:
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
386 glx_attrib = GLX_SAMPLES_ARB;
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
387 break;
1737
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
388 case SDL_GL_ACCELERATED_VISUAL:
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
389 if ( glXExtensionSupported(this, "GLX_EXT_visual_rating") ) {
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
390 glx_attrib = GLX_VISUAL_CAVEAT_EXT;
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
391 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value);
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
392 if ( *value == GLX_SLOW_VISUAL_EXT ) {
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
393 *value = SDL_FALSE;
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
394 } else {
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
395 *value = SDL_TRUE;
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
396 }
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
397 return retval;
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
398 } else {
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
399 return(-1);
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
400 }
eacc5bc01d1c Implemented bug #5
Sam Lantinga <slouken@libsdl.org>
parents: 1736
diff changeset
401 break;
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
402 case SDL_GL_SWAP_CONTROL:
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
403 if ( this->gl_data->glXGetSwapIntervalMESA ) {
1880
9d940db55a91 Fixed bug #260
Sam Lantinga <slouken@libsdl.org>
parents: 1861
diff changeset
404 *value = this->gl_data->glXGetSwapIntervalMESA();
9d940db55a91 Fixed bug #260
Sam Lantinga <slouken@libsdl.org>
parents: 1861
diff changeset
405 return(0);
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
406 } else {
1880
9d940db55a91 Fixed bug #260
Sam Lantinga <slouken@libsdl.org>
parents: 1861
diff changeset
407 return(-1);
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
408 }
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
409 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 return retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 void X11_GL_SwapBuffers(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
424 #endif /* SDL_VIDEO_OPENGL_GLX */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
426 #define OPENGL_REQUIRS_DLOPEN
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
427 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN)
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
428 #include <dlfcn.h>
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
429 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL))
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
430 #define GL_LoadFunction dlsym
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
431 #define GL_UnloadObject dlclose
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
432 #else
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
433 #define GL_LoadObject SDL_LoadObject
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
434 #define GL_LoadFunction SDL_LoadFunction
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
435 #define GL_UnloadObject SDL_UnloadObject
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
436 #endif
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
437
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 void X11_GL_UnloadLibrary(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
440 #if SDL_VIDEO_OPENGL_GLX
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 if ( this->gl_config.driver_loaded ) {
1191
2bd4cec0de63 Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents: 1182
diff changeset
442
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
443 GL_UnloadObject(this->gl_config.dll_handle);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 this->gl_data->glXGetProcAddress = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 this->gl_data->glXChooseVisual = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 this->gl_data->glXCreateContext = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 this->gl_data->glXDestroyContext = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 this->gl_data->glXMakeCurrent = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 this->gl_data->glXSwapBuffers = NULL;
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
451 this->gl_data->glXSwapIntervalSGI = NULL;
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
452 this->gl_data->glXSwapIntervalMESA = NULL;
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
453 this->gl_data->glXGetSwapIntervalMESA = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 this->gl_config.dll_handle = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 this->gl_config.driver_loaded = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 }
74212992fb08 Initial revision
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458 #endif
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459 }
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460
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461 #if SDL_VIDEO_OPENGL_GLX
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e8e8dcb68e7a X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents: 1168
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462
0
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463 /* Passing a NULL path means load pointers from the application */
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464 int X11_GL_LoadLibrary(_THIS, const char* path)
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465 {
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2bd4cec0de63 Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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466 void* handle = NULL;
0
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467
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468 if ( gl_active ) {
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469 SDL_SetError("OpenGL context already created");
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470 return -1;
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471 }
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Ryan C. Gordon <icculus@icculus.org>
parents: 1168
diff changeset
472
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473 if ( path == NULL ) {
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3692456e7b0f Use SDL_ prefixed versions of C library functions.
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474 path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
0
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475 if ( path == NULL ) {
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476 path = DEFAULT_OPENGL;
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477 }
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2bd4cec0de63 Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
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478 }
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Ryan C. Gordon <icculus@icculus.org>
parents: 1182
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479
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480 handle = GL_LoadObject(path);
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481 if ( handle == NULL ) {
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482 /* SDL_LoadObject() will call SDL_SetError() for us. */
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483 return -1;
0
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484 }
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485
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486 /* Unload the old driver and reset the pointers */
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487 X11_GL_UnloadLibrary(this);
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488
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489 /* Load new function pointers */
180
578815880307 Do proper typecasting so this compiles on IRIX
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490 this->gl_data->glXGetProcAddress =
1861
b42823412c3b Fixed bug #232
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parents: 1841
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491 (void *(*)(const GLubyte *)) GL_LoadFunction(handle, "glXGetProcAddressARB");
180
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492 this->gl_data->glXChooseVisual =
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493 (XVisualInfo *(*)(Display *, int, int *)) GL_LoadFunction(handle, "glXChooseVisual");
180
578815880307 Do proper typecasting so this compiles on IRIX
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494 this->gl_data->glXCreateContext =
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b42823412c3b Fixed bug #232
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495 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) GL_LoadFunction(handle, "glXCreateContext");
180
578815880307 Do proper typecasting so this compiles on IRIX
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496 this->gl_data->glXDestroyContext =
1861
b42823412c3b Fixed bug #232
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parents: 1841
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497 (void (*)(Display *, GLXContext)) GL_LoadFunction(handle, "glXDestroyContext");
180
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498 this->gl_data->glXMakeCurrent =
1861
b42823412c3b Fixed bug #232
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parents: 1841
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499 (int (*)(Display *, GLXDrawable, GLXContext)) GL_LoadFunction(handle, "glXMakeCurrent");
180
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500 this->gl_data->glXSwapBuffers =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
501 (void (*)(Display *, GLXDrawable)) GL_LoadFunction(handle, "glXSwapBuffers");
180
578815880307 Do proper typecasting so this compiles on IRIX
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parents: 127
diff changeset
502 this->gl_data->glXGetConfig =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
503 (int (*)(Display *, XVisualInfo *, int, int *)) GL_LoadFunction(handle, "glXGetConfig");
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
504 this->gl_data->glXQueryExtensionsString =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
505 (const char *(*)(Display *, int)) GL_LoadFunction(handle, "glXQueryExtensionsString");
1736
3b2a92126f4d Implemented bug #2, 117:
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506 this->gl_data->glXSwapIntervalSGI =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
507 (int (*)(int)) GL_LoadFunction(handle, "glXSwapIntervalSGI");
1736
3b2a92126f4d Implemented bug #2, 117:
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parents: 1577
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508 this->gl_data->glXSwapIntervalMESA =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
509 (GLint (*)(unsigned)) GL_LoadFunction(handle, "glXSwapIntervalMESA");
1736
3b2a92126f4d Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents: 1577
diff changeset
510 this->gl_data->glXGetSwapIntervalMESA =
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
511 (GLint (*)(void)) GL_LoadFunction(handle, "glXGetSwapIntervalMESA");
1315
e94b0d7c33bc Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
512
0
74212992fb08 Initial revision
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parents:
diff changeset
513 if ( (this->gl_data->glXChooseVisual == NULL) ||
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diff changeset
514 (this->gl_data->glXCreateContext == NULL) ||
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parents:
diff changeset
515 (this->gl_data->glXDestroyContext == NULL) ||
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diff changeset
516 (this->gl_data->glXMakeCurrent == NULL) ||
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diff changeset
517 (this->gl_data->glXSwapBuffers == NULL) ||
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
518 (this->gl_data->glXGetConfig == NULL) ||
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
519 (this->gl_data->glXQueryExtensionsString == NULL)) {
0
74212992fb08 Initial revision
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parents:
diff changeset
520 SDL_SetError("Could not retrieve OpenGL functions");
74212992fb08 Initial revision
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parents:
diff changeset
521 return -1;
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parents:
diff changeset
522 }
74212992fb08 Initial revision
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parents:
diff changeset
523
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parents:
diff changeset
524 this->gl_config.dll_handle = handle;
74212992fb08 Initial revision
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diff changeset
525 this->gl_config.driver_loaded = 1;
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parents:
diff changeset
526 if ( path ) {
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
527 SDL_strlcpy(this->gl_config.driver_path, path,
c0a74f199ecf Use only safe string functions
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parents: 1361
diff changeset
528 SDL_arraysize(this->gl_config.driver_path));
0
74212992fb08 Initial revision
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parents:
diff changeset
529 } else {
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
530 *this->gl_config.driver_path = '\0';
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534
74212992fb08 Initial revision
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parents:
diff changeset
535 void *X11_GL_GetProcAddress(_THIS, const char* proc)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 void* handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 handle = this->gl_config.dll_handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 if ( this->gl_data->glXGetProcAddress ) {
1196
b81f54c3963f Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents: 1191
diff changeset
541 return this->gl_data->glXGetProcAddress((const GLubyte *)proc);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 }
1861
b42823412c3b Fixed bug #232
Sam Lantinga <slouken@libsdl.org>
parents: 1841
diff changeset
543 return GL_LoadFunction(handle, proc);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
546 #endif /* SDL_VIDEO_OPENGL_GLX */