annotate src/video/x11/SDL_x11gl.c @ 1361:19418e4422cb

New configure-based build system. Still work in progress, but much improved
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Feb 2006 10:11:48 +0000
parents c71e05b4dc2e
children c0a74f199ecf
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
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23 #include "SDL_x11video.h"
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24 #include "../../events/SDL_events_c.h"
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25 #include "SDL_x11dga_c.h"
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26 #include "SDL_x11gl_c.h"
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27
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28 #if defined(sgi)
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29 /* IRIX doesn't have a GL library versioning system */
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30 #define DEFAULT_OPENGL "libGL.so"
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31 #elif defined(MACOSX)
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32 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib"
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33 #else
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34 #define DEFAULT_OPENGL "libGL.so.1"
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35 #endif
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36
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37 #ifndef GLX_ARB_multisample
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38 #define GLX_ARB_multisample
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39 #define GLX_SAMPLE_BUFFERS_ARB 100000
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40 #define GLX_SAMPLES_ARB 100001
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41 #endif
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42
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43 XVisualInfo *X11_GL_GetVisual(_THIS)
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44 {
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45 #if SDL_VIDEO_OPENGL_GLX
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46 /* 64 seems nice. */
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47 int attribs[64];
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48 int i;
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49
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50 /* load the gl driver from a default path */
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51 if ( ! this->gl_config.driver_loaded ) {
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52 /* no driver has been loaded, use default (ourselves) */
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53 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) {
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54 return NULL;
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55 }
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56 }
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57
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58 /* See if we already have a window which we must use */
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59 if ( SDL_windowid ) {
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60 XWindowAttributes a;
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61 XVisualInfo vi_in;
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62 int out_count;
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63
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64 pXGetWindowAttributes(SDL_Display, SDL_Window, &a);
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65 vi_in.screen = SDL_Screen;
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66 vi_in.visualid = pXVisualIDFromVisual(a.visual);
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67 glx_visualinfo = pXGetVisualInfo(SDL_Display,
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68 VisualScreenMask|VisualIDMask, &vi_in, &out_count);
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69 return glx_visualinfo;
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70 }
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71
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72 /* Setup our GLX attributes according to the gl_config. */
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73 i = 0;
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74 attribs[i++] = GLX_RGBA;
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75 attribs[i++] = GLX_RED_SIZE;
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76 attribs[i++] = this->gl_config.red_size;
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77 attribs[i++] = GLX_GREEN_SIZE;
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78 attribs[i++] = this->gl_config.green_size;
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79 attribs[i++] = GLX_BLUE_SIZE;
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80 attribs[i++] = this->gl_config.blue_size;
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81
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82 if( this->gl_config.alpha_size ) {
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83 attribs[i++] = GLX_ALPHA_SIZE;
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84 attribs[i++] = this->gl_config.alpha_size;
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85 }
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86
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87 if( this->gl_config.buffer_size ) {
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88 attribs[i++] = GLX_BUFFER_SIZE;
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89 attribs[i++] = this->gl_config.buffer_size;
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90 }
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91
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92 if( this->gl_config.double_buffer ) {
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93 attribs[i++] = GLX_DOUBLEBUFFER;
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94 }
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95
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96 attribs[i++] = GLX_DEPTH_SIZE;
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97 attribs[i++] = this->gl_config.depth_size;
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98
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99 if( this->gl_config.stencil_size ) {
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100 attribs[i++] = GLX_STENCIL_SIZE;
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101 attribs[i++] = this->gl_config.stencil_size;
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102 }
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103
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104 if( this->gl_config.accum_red_size ) {
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105 attribs[i++] = GLX_ACCUM_RED_SIZE;
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106 attribs[i++] = this->gl_config.accum_red_size;
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107 }
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108
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109 if( this->gl_config.accum_green_size ) {
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110 attribs[i++] = GLX_ACCUM_GREEN_SIZE;
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111 attribs[i++] = this->gl_config.accum_green_size;
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112 }
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113
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114 if( this->gl_config.accum_blue_size ) {
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115 attribs[i++] = GLX_ACCUM_BLUE_SIZE;
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116 attribs[i++] = this->gl_config.accum_blue_size;
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117 }
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118
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119 if( this->gl_config.accum_alpha_size ) {
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120 attribs[i++] = GLX_ACCUM_ALPHA_SIZE;
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121 attribs[i++] = this->gl_config.accum_alpha_size;
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122 }
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123
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124 if( this->gl_config.stereo ) {
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125 attribs[i++] = GLX_STEREO;
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126 attribs[i++] = this->gl_config.stereo;
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127 }
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128
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129 if( this->gl_config.multisamplebuffers ) {
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130 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB;
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131 attribs[i++] = this->gl_config.multisamplebuffers;
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132 }
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133
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134 if( this->gl_config.multisamplesamples ) {
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135 attribs[i++] = GLX_SAMPLES_ARB;
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136 attribs[i++] = this->gl_config.multisamplesamples;
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137 }
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138
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139 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */
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140 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
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141 attribs[i++] = GLX_X_VISUAL_TYPE;
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142 attribs[i++] = GLX_DIRECT_COLOR;
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143 }
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144 #endif
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145 attribs[i++] = None;
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146
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147 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display,
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148 SDL_Screen, attribs);
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149 #ifdef GLX_DIRECT_COLOR
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150 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */
0
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151 attribs[i-3] = None;
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152 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display,
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153 SDL_Screen, attribs);
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154 }
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155 #endif
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156 if( !glx_visualinfo ) {
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157 SDL_SetError( "Couldn't find matching GLX visual");
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158 return NULL;
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159 }
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160 /*
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161 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid);
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162 */
0
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163 return glx_visualinfo;
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164 #else
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165 SDL_SetError("X11 driver not configured with OpenGL");
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166 return NULL;
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167 #endif
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168 }
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169
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170 int X11_GL_CreateWindow(_THIS, int w, int h)
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171 {
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172 int retval;
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173 #if SDL_VIDEO_OPENGL_GLX
0
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174 XSetWindowAttributes attributes;
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175 unsigned long mask;
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176 unsigned long black;
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177
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178 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display,
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179 SDL_Screen))
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180 ? BlackPixel(SDL_Display, SDL_Screen) : 0;
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181 attributes.background_pixel = black;
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182 attributes.border_pixel = black;
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183 attributes.colormap = SDL_XColorMap;
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184 mask = CWBackPixel | CWBorderPixel | CWColormap;
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185
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186 SDL_Window = pXCreateWindow(SDL_Display, WMwindow,
0
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187 0, 0, w, h, 0, glx_visualinfo->depth,
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188 InputOutput, glx_visualinfo->visual,
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189 mask, &attributes);
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190 if ( !SDL_Window ) {
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191 SDL_SetError("Could not create window");
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192 return -1;
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193 }
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194 retval = 0;
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195 #else
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196 SDL_SetError("X11 driver not configured with OpenGL");
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197 retval = -1;
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198 #endif
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199 return(retval);
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200 }
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diff changeset
201
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202 int X11_GL_CreateContext(_THIS)
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203 {
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204 int retval;
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diff changeset
205 #if SDL_VIDEO_OPENGL_GLX
0
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206 /* We do this to create a clean separation between X and GLX errors. */
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diff changeset
207 pXSync( SDL_Display, False );
0
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208 glx_context = this->gl_data->glXCreateContext(GFX_Display,
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209 glx_visualinfo, NULL, True);
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diff changeset
210 pXSync( GFX_Display, False );
0
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diff changeset
211
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diff changeset
212 if (glx_context == NULL) {
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213 SDL_SetError("Could not create GL context");
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diff changeset
214 return -1;
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parents:
diff changeset
215 }
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diff changeset
216
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diff changeset
217 gl_active = 1;
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diff changeset
218 #else
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diff changeset
219 SDL_SetError("X11 driver not configured with OpenGL");
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diff changeset
220 #endif
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diff changeset
221 if ( gl_active ) {
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diff changeset
222 retval = 0;
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diff changeset
223 } else {
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diff changeset
224 retval = -1;
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parents:
diff changeset
225 }
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diff changeset
226 return(retval);
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parents:
diff changeset
227 }
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diff changeset
228
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diff changeset
229 void X11_GL_Shutdown(_THIS)
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diff changeset
230 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
231 #if SDL_VIDEO_OPENGL_GLX
0
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diff changeset
232 /* Clean up OpenGL */
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parents:
diff changeset
233 if( glx_context ) {
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parents:
diff changeset
234 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL);
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diff changeset
235
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diff changeset
236 if (glx_context != NULL)
74212992fb08 Initial revision
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parents:
diff changeset
237 this->gl_data->glXDestroyContext(GFX_Display, glx_context);
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parents:
diff changeset
238
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diff changeset
239 glx_context = NULL;
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diff changeset
240 }
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diff changeset
241 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
242 #endif /* SDL_VIDEO_OPENGL_GLX */
0
74212992fb08 Initial revision
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parents:
diff changeset
243 }
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parents:
diff changeset
244
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
245 #if SDL_VIDEO_OPENGL_GLX
0
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parents:
diff changeset
246
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parents:
diff changeset
247 /* Make the current context active */
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parents:
diff changeset
248 int X11_GL_MakeCurrent(_THIS)
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parents:
diff changeset
249 {
74212992fb08 Initial revision
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parents:
diff changeset
250 int retval;
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
251
0
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parents:
diff changeset
252 retval = 0;
74212992fb08 Initial revision
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parents:
diff changeset
253 if ( ! this->gl_data->glXMakeCurrent(GFX_Display,
74212992fb08 Initial revision
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parents:
diff changeset
254 SDL_Window, glx_context) ) {
74212992fb08 Initial revision
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parents:
diff changeset
255 SDL_SetError("Unable to make GL context current");
74212992fb08 Initial revision
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parents:
diff changeset
256 retval = -1;
74212992fb08 Initial revision
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parents:
diff changeset
257 }
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1060
diff changeset
258 pXSync( GFX_Display, False );
0
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parents:
diff changeset
259
74212992fb08 Initial revision
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parents:
diff changeset
260 /* More Voodoo X server workarounds... Grr... */
74212992fb08 Initial revision
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parents:
diff changeset
261 SDL_Lock_EventThread();
74212992fb08 Initial revision
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parents:
diff changeset
262 X11_CheckDGAMouse(this);
74212992fb08 Initial revision
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parents:
diff changeset
263 SDL_Unlock_EventThread();
74212992fb08 Initial revision
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parents:
diff changeset
264
74212992fb08 Initial revision
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parents:
diff changeset
265 return(retval);
74212992fb08 Initial revision
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parents:
diff changeset
266 }
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parents:
diff changeset
267
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parents:
diff changeset
268 /* Get attribute data from glX. */
74212992fb08 Initial revision
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parents:
diff changeset
269 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
74212992fb08 Initial revision
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parents:
diff changeset
270 {
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parents:
diff changeset
271 int retval;
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parents:
diff changeset
272 int glx_attrib = None;
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parents:
diff changeset
273
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parents:
diff changeset
274 switch( attrib ) {
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parents:
diff changeset
275 case SDL_GL_RED_SIZE:
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parents:
diff changeset
276 glx_attrib = GLX_RED_SIZE;
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parents:
diff changeset
277 break;
74212992fb08 Initial revision
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parents:
diff changeset
278 case SDL_GL_GREEN_SIZE:
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parents:
diff changeset
279 glx_attrib = GLX_GREEN_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
280 break;
74212992fb08 Initial revision
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parents:
diff changeset
281 case SDL_GL_BLUE_SIZE:
74212992fb08 Initial revision
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diff changeset
282 glx_attrib = GLX_BLUE_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
283 break;
74212992fb08 Initial revision
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parents:
diff changeset
284 case SDL_GL_ALPHA_SIZE:
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diff changeset
285 glx_attrib = GLX_ALPHA_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
286 break;
74212992fb08 Initial revision
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parents:
diff changeset
287 case SDL_GL_DOUBLEBUFFER:
74212992fb08 Initial revision
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parents:
diff changeset
288 glx_attrib = GLX_DOUBLEBUFFER;
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parents:
diff changeset
289 break;
74212992fb08 Initial revision
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parents:
diff changeset
290 case SDL_GL_BUFFER_SIZE:
74212992fb08 Initial revision
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parents:
diff changeset
291 glx_attrib = GLX_BUFFER_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
292 break;
74212992fb08 Initial revision
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parents:
diff changeset
293 case SDL_GL_DEPTH_SIZE:
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parents:
diff changeset
294 glx_attrib = GLX_DEPTH_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
295 break;
74212992fb08 Initial revision
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parents:
diff changeset
296 case SDL_GL_STENCIL_SIZE:
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diff changeset
297 glx_attrib = GLX_STENCIL_SIZE;
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parents:
diff changeset
298 break;
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parents:
diff changeset
299 case SDL_GL_ACCUM_RED_SIZE:
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diff changeset
300 glx_attrib = GLX_ACCUM_RED_SIZE;
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parents:
diff changeset
301 break;
74212992fb08 Initial revision
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parents:
diff changeset
302 case SDL_GL_ACCUM_GREEN_SIZE:
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parents:
diff changeset
303 glx_attrib = GLX_ACCUM_GREEN_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
304 break;
74212992fb08 Initial revision
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parents:
diff changeset
305 case SDL_GL_ACCUM_BLUE_SIZE:
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parents:
diff changeset
306 glx_attrib = GLX_ACCUM_BLUE_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
307 break;
74212992fb08 Initial revision
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parents:
diff changeset
308 case SDL_GL_ACCUM_ALPHA_SIZE:
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parents:
diff changeset
309 glx_attrib = GLX_ACCUM_ALPHA_SIZE;
74212992fb08 Initial revision
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parents:
diff changeset
310 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
311 case SDL_GL_STEREO:
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
312 glx_attrib = GLX_STEREO;
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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parents: 297
diff changeset
313 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
314 case SDL_GL_MULTISAMPLEBUFFERS:
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
315 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
316 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
317 case SDL_GL_MULTISAMPLESAMPLES:
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
diff changeset
318 glx_attrib = GLX_SAMPLES_ARB;
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 646
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319 break;
0
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320 default:
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parents:
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321 return(-1);
74212992fb08 Initial revision
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parents:
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322 }
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parents:
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323
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324 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value);
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parents:
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325
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parents:
diff changeset
326 return retval;
74212992fb08 Initial revision
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parents:
diff changeset
327 }
74212992fb08 Initial revision
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parents:
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328
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329 void X11_GL_SwapBuffers(_THIS)
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parents:
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330 {
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331 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window);
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parents:
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332 }
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parents:
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333
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1358
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334 #endif /* SDL_VIDEO_OPENGL_GLX */
0
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parents:
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335
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336 void X11_GL_UnloadLibrary(_THIS)
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parents:
diff changeset
337 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
338 #if SDL_VIDEO_OPENGL_GLX
0
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parents:
diff changeset
339 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
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340
2bd4cec0de63 Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents: 1182
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341 SDL_UnloadObject(this->gl_config.dll_handle);
0
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parents:
diff changeset
342
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diff changeset
343 this->gl_data->glXGetProcAddress = NULL;
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parents:
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344 this->gl_data->glXChooseVisual = NULL;
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parents:
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345 this->gl_data->glXCreateContext = NULL;
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parents:
diff changeset
346 this->gl_data->glXDestroyContext = NULL;
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parents:
diff changeset
347 this->gl_data->glXMakeCurrent = NULL;
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parents:
diff changeset
348 this->gl_data->glXSwapBuffers = NULL;
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parents:
diff changeset
349
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diff changeset
350 this->gl_config.dll_handle = NULL;
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parents:
diff changeset
351 this->gl_config.driver_loaded = 0;
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parents:
diff changeset
352 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 }
74212992fb08 Initial revision
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parents:
diff changeset
355
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
356 #if SDL_VIDEO_OPENGL_GLX
1182
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
diff changeset
357
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 /* Passing a NULL path means load pointers from the application */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 int X11_GL_LoadLibrary(_THIS, const char* path)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 {
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
361 void* handle = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362
1182
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
diff changeset
363 if ( gl_active ) {
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
diff changeset
364 SDL_SetError("OpenGL context already created");
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
diff changeset
365 return -1;
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
diff changeset
366 }
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
diff changeset
367
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
diff changeset
368 if ( path == NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1315
diff changeset
369 path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 if ( path == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 path = DEFAULT_OPENGL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 }
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
373 }
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
374
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
375 handle = SDL_LoadObject(path);
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
376 if ( handle == NULL ) {
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
377 /* SDL_LoadObject() will call SDL_SetError() for us. */
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
378 return -1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 /* Unload the old driver and reset the pointers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 X11_GL_UnloadLibrary(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 /* Load new function pointers */
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
385 this->gl_data->glXGetProcAddress =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
386 (void *(*)(const GLubyte *)) SDL_LoadFunction(handle, "glXGetProcAddressARB");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
387 this->gl_data->glXChooseVisual =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
388 (XVisualInfo *(*)(Display *, int, int *)) SDL_LoadFunction(handle, "glXChooseVisual");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
389 this->gl_data->glXCreateContext =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
390 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) SDL_LoadFunction(handle, "glXCreateContext");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
391 this->gl_data->glXDestroyContext =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
392 (void (*)(Display *, GLXContext)) SDL_LoadFunction(handle, "glXDestroyContext");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
393 this->gl_data->glXMakeCurrent =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
394 (int (*)(Display *, GLXDrawable, GLXContext)) SDL_LoadFunction(handle, "glXMakeCurrent");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
395 this->gl_data->glXSwapBuffers =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
396 (void (*)(Display *, GLXDrawable)) SDL_LoadFunction(handle, "glXSwapBuffers");
180
578815880307 Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents: 127
diff changeset
397 this->gl_data->glXGetConfig =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
398 (int (*)(Display *, XVisualInfo *, int, int *)) SDL_LoadFunction(handle, "glXGetConfig");
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
399 this->gl_data->glXQueryExtensionsString =
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
400 (const char *(*)(Display *, int)) SDL_LoadFunction(handle, "glXQueryExtensionsString");
638
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
401
1315
e94b0d7c33bc Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
402
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 if ( (this->gl_data->glXChooseVisual == NULL) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 (this->gl_data->glXCreateContext == NULL) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 (this->gl_data->glXDestroyContext == NULL) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 (this->gl_data->glXMakeCurrent == NULL) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 (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
408 (this->gl_data->glXGetConfig == NULL) ||
b0108e9dea53 Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 566
diff changeset
409 (this->gl_data->glXQueryExtensionsString == NULL)) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 SDL_SetError("Could not retrieve OpenGL functions");
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 this->gl_config.dll_handle = handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 this->gl_config.driver_loaded = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 if ( path ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1315
diff changeset
417 SDL_strncpy(this->gl_config.driver_path, path,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 sizeof(this->gl_config.driver_path)-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 } else {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1315
diff changeset
420 SDL_strcpy(this->gl_config.driver_path, "");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 void *X11_GL_GetProcAddress(_THIS, const char* proc)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 void* handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 handle = this->gl_config.dll_handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 if ( this->gl_data->glXGetProcAddress ) {
1196
b81f54c3963f Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents: 1191
diff changeset
431 return this->gl_data->glXGetProcAddress((const GLubyte *)proc);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
433 return SDL_LoadFunction(handle, proc);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
436 #endif /* SDL_VIDEO_OPENGL_GLX */