static void X11_GL_InitExtensions(_THIS) { Display *display = ((SDL_VideoData *) _this->driverdata)->display; int screen = ((SDL_DisplayData *) SDL_CurrentDisplay->driverdata)->screen; XVisualInfo *vinfo; XSetWindowAttributes xattr; Window w; GLXContext context; const char *(*glXQueryExtensionsStringFunc) (Display *, int); const char *extensions; vinfo = X11_GL_GetVisual(_this, display, screen); if (!vinfo) { return; } xattr.background_pixel = 0; xattr.border_pixel = 0; xattr.colormap = XCreateColormap(display, RootWindow(display, screen), vinfo->visual, AllocNone); w = XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0, vinfo->depth, InputOutput, vinfo->visual, (CWBackPixel | CWBorderPixel | CWColormap), &xattr); context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True); if (context) { _this->gl_data->glXMakeCurrent(display, w, context); } XFree(vinfo); glXQueryExtensionsStringFunc = (const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this, "glXQueryExtensionsString"); if (glXQueryExtensionsStringFunc) { extensions = glXQueryExtensionsStringFunc(display, screen); } else { extensions = NULL; } /* Check for SGI_swap_control */ if (HasExtension("GLX_SGI_swap_control", extensions)) { _this->gl_data->glXSwapIntervalSGI = (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI"); } /* Check for GLX_MESA_swap_control */ if (HasExtension("GLX_MESA_swap_control", extensions)) { _this->gl_data->glXSwapIntervalMESA = (GLint(*)(unsigned)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA"); _this->gl_data->glXGetSwapIntervalMESA = (GLint(*)(void)) X11_GL_GetProcAddress(_this, "glXGetSwapIntervalMESA"); } /* Check for GLX_EXT_visual_rating */ if (HasExtension("GLX_EXT_visual_rating", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE; } if (context) { _this->gl_data->glXMakeCurrent(display, None, NULL); _this->gl_data->glXDestroyContext(display, context); } XDestroyWindow(display, w); X11_PumpEvents(_this); }
static void X11_GL_InitExtensions(_THIS) { Display *display = ((SDL_VideoData *) _this->driverdata)->display; const int screen = DefaultScreen(display); XVisualInfo *vinfo = NULL; Window w = 0; GLXContext prev_ctx = 0; GLXDrawable prev_drawable = 0; GLXContext context = 0; const char *(*glXQueryExtensionsStringFunc) (Display *, int); const char *extensions; vinfo = X11_GL_GetVisual(_this, display, screen); if (vinfo) { GLXContext (*glXGetCurrentContextFunc) (void) = (GLXContext(*)(void)) X11_GL_GetProcAddress(_this, "glXGetCurrentContext"); GLXDrawable (*glXGetCurrentDrawableFunc) (void) = (GLXDrawable(*)(void)) X11_GL_GetProcAddress(_this, "glXGetCurrentDrawable"); if (glXGetCurrentContextFunc && glXGetCurrentDrawableFunc) { XSetWindowAttributes xattr; prev_ctx = glXGetCurrentContextFunc(); prev_drawable = glXGetCurrentDrawableFunc(); xattr.background_pixel = 0; xattr.border_pixel = 0; xattr.colormap = X11_XCreateColormap(display, RootWindow(display, screen), vinfo->visual, AllocNone); w = X11_XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0, vinfo->depth, InputOutput, vinfo->visual, (CWBackPixel | CWBorderPixel | CWColormap), &xattr); context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True); if (context) { _this->gl_data->glXMakeCurrent(display, w, context); } } X11_XFree(vinfo); } glXQueryExtensionsStringFunc = (const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this, "glXQueryExtensionsString"); if (glXQueryExtensionsStringFunc) { extensions = glXQueryExtensionsStringFunc(display, screen); } else { extensions = NULL; } /* Check for GLX_EXT_swap_control(_tear) */ _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE; if (HasExtension("GLX_EXT_swap_control", extensions)) { _this->gl_data->glXSwapIntervalEXT = (void (*)(Display*,GLXDrawable,int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT"); if (HasExtension("GLX_EXT_swap_control_tear", extensions)) { _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE; } } /* Check for GLX_MESA_swap_control */ if (HasExtension("GLX_MESA_swap_control", extensions)) { _this->gl_data->glXSwapIntervalMESA = (int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA"); _this->gl_data->glXGetSwapIntervalMESA = (int(*)(void)) X11_GL_GetProcAddress(_this, "glXGetSwapIntervalMESA"); } /* Check for GLX_SGI_swap_control */ if (HasExtension("GLX_SGI_swap_control", extensions)) { _this->gl_data->glXSwapIntervalSGI = (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI"); } /* Check for GLX_ARB_create_context */ if (HasExtension("GLX_ARB_create_context", extensions)) { _this->gl_data->glXCreateContextAttribsARB = (GLXContext (*)(Display*,GLXFBConfig,GLXContext,Bool,const int *)) X11_GL_GetProcAddress(_this, "glXCreateContextAttribsARB"); _this->gl_data->glXChooseFBConfig = (GLXFBConfig *(*)(Display *, int, const int *, int *)) X11_GL_GetProcAddress(_this, "glXChooseFBConfig"); } /* Check for GLX_EXT_visual_rating */ if (HasExtension("GLX_EXT_visual_rating", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE; } /* Check for GLX_EXT_visual_info */ if (HasExtension("GLX_EXT_visual_info", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE; } /* Check for GLX_EXT_create_context_es2_profile */ if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) { /* this wants to call glGetString(), so it needs a context. */ /* !!! FIXME: it would be nice not to make a context here though! */ if (context) { SDL_GL_DeduceMaxSupportedESProfile( &_this->gl_data->es_profile_max_supported_version.major, &_this->gl_data->es_profile_max_supported_version.minor ); } } /* Check for GLX_ARB_context_flush_control */ if (HasExtension("GLX_ARB_context_flush_control", extensions)) { _this->gl_data->HAS_GLX_ARB_context_flush_control = SDL_TRUE; } /* Check for GLX_ARB_create_context_robustness */ if (HasExtension("GLX_ARB_create_context_robustness", extensions)) { _this->gl_data->HAS_GLX_ARB_create_context_robustness = SDL_TRUE; } /* Check for GLX_ARB_create_context_no_error */ if (HasExtension("GLX_ARB_create_context_no_error", extensions)) { _this->gl_data->HAS_GLX_ARB_create_context_no_error = SDL_TRUE; } if (context) { _this->gl_data->glXMakeCurrent(display, None, NULL); _this->gl_data->glXDestroyContext(display, context); if (prev_ctx && prev_drawable) { _this->gl_data->glXMakeCurrent(display, prev_drawable, prev_ctx); } } if (w) { X11_XDestroyWindow(display, w); } X11_PumpEvents(_this); }
static void X11_GL_InitExtensions(_THIS) { Display *display = ((SDL_VideoData *) _this->driverdata)->display; const int screen = DefaultScreen(display); const char *(*glXQueryExtensionsStringFunc) (Display *, int); const char *extensions; glXQueryExtensionsStringFunc = (const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this, "glXQueryExtensionsString"); if (glXQueryExtensionsStringFunc) { extensions = glXQueryExtensionsStringFunc(display, screen); } else { extensions = NULL; } /* Check for GLX_EXT_swap_control(_tear) */ _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE; if (HasExtension("GLX_EXT_swap_control", extensions)) { _this->gl_data->glXSwapIntervalEXT = (void (*)(Display*,GLXDrawable,int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT"); if (HasExtension("GLX_EXT_swap_control_tear", extensions)) { _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE; } } /* Check for GLX_MESA_swap_control */ if (HasExtension("GLX_MESA_swap_control", extensions)) { _this->gl_data->glXSwapIntervalMESA = (int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA"); _this->gl_data->glXGetSwapIntervalMESA = (int(*)(void)) X11_GL_GetProcAddress(_this, "glXGetSwapIntervalMESA"); } /* Check for GLX_SGI_swap_control */ if (HasExtension("GLX_SGI_swap_control", extensions)) { _this->gl_data->glXSwapIntervalSGI = (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI"); } /* Check for GLX_ARB_create_context */ if (HasExtension("GLX_ARB_create_context", extensions)) { _this->gl_data->glXCreateContextAttribsARB = (GLXContext (*)(Display*,GLXFBConfig,GLXContext,Bool,const int *)) X11_GL_GetProcAddress(_this, "glXCreateContextAttribsARB"); _this->gl_data->glXChooseFBConfig = (GLXFBConfig *(*)(Display *, int, const int *, int *)) X11_GL_GetProcAddress(_this, "glXChooseFBConfig"); } /* Check for GLX_EXT_visual_rating */ if (HasExtension("GLX_EXT_visual_rating", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE; } /* Check for GLX_EXT_visual_info */ if (HasExtension("GLX_EXT_visual_info", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE; } /* Check for GLX_EXT_create_context_es2_profile */ if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) { _this->gl_data->HAS_GLX_EXT_create_context_es2_profile = SDL_TRUE; } /* Check for GLX_ARB_context_flush_control */ if (HasExtension("GLX_ARB_context_flush_control", extensions)) { _this->gl_data->HAS_GLX_ARB_context_flush_control = SDL_TRUE; } }
static void X11_GL_InitExtensions(_THIS) { Display *display = ((SDL_VideoData *) _this->driverdata)->display; int screen = DefaultScreen(display); XVisualInfo *vinfo; XSetWindowAttributes xattr; Window w; GLXContext context; const char *(*glXQueryExtensionsStringFunc) (Display *, int); const char *extensions; vinfo = X11_GL_GetVisual(_this, display, screen); if (!vinfo) { return; } xattr.background_pixel = 0; xattr.border_pixel = 0; xattr.colormap = X11_XCreateColormap(display, RootWindow(display, screen), vinfo->visual, AllocNone); w = X11_XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0, vinfo->depth, InputOutput, vinfo->visual, (CWBackPixel | CWBorderPixel | CWColormap), &xattr); context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True); if (context) { _this->gl_data->glXMakeCurrent(display, w, context); } X11_XFree(vinfo); glXQueryExtensionsStringFunc = (const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this, "glXQueryExtensionsString"); if (glXQueryExtensionsStringFunc) { extensions = glXQueryExtensionsStringFunc(display, screen); } else { extensions = NULL; } /* Check for GLX_EXT_swap_control(_tear) */ _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE; if (HasExtension("GLX_EXT_swap_control", extensions)) { _this->gl_data->glXSwapIntervalEXT = (void (*)(Display*,GLXDrawable,int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT"); if (HasExtension("GLX_EXT_swap_control_tear", extensions)) { _this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE; } } /* Check for GLX_MESA_swap_control */ if (HasExtension("GLX_MESA_swap_control", extensions)) { _this->gl_data->glXSwapIntervalMESA = (int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA"); _this->gl_data->glXGetSwapIntervalMESA = (int(*)(void)) X11_GL_GetProcAddress(_this, "glXGetSwapIntervalMESA"); } /* Check for GLX_SGI_swap_control */ if (HasExtension("GLX_SGI_swap_control", extensions)) { _this->gl_data->glXSwapIntervalSGI = (int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI"); } /* Check for GLX_EXT_visual_rating */ if (HasExtension("GLX_EXT_visual_rating", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE; } /* Check for GLX_EXT_visual_info */ if (HasExtension("GLX_EXT_visual_info", extensions)) { _this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE; } /* Check for GLX_EXT_create_context_es2_profile */ if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) { _this->gl_data->HAS_GLX_EXT_create_context_es2_profile = SDL_TRUE; } /* Check for GLX_MESA_query_renderer */ if (HasExtension("GLX_MESA_query_renderer", extensions)) { _this->gl_data->glXQueryRendererIntegerMESA = (int(*)(int)) X11_GL_GetProcAddress( _this, "glXQueryRendererIntegerMESA"); _this->gl_data->glXQueryCurrentRendererIntegerMESA = (int(*)(void)) X11_GL_GetProcAddress( _this, "glXQueryCurrentRendererIntegerMESA"); _this->gl_data->glXQueryRendererStringMESA = (int(*)(int)) X11_GL_GetProcAddress( _this, "glXQueryRendererStringMESA"); _this->gl_data->glXQueryCurrentRendererStringMESA = (int(*)(void)) X11_GL_GetProcAddress( _this, "glXQueryCurrentRendererStringMESA"); } /* Check for GL_NVX_gpu_memory_info */ if (HasExtension("GL_NVX_gpu_memory_info", extensions)) { _this->gl_data->HAS_GL_NVX_gpu_memory_info = SDL_TRUE; } /* Check for GL_NVX_gpu_memory_info */ if (HasExtension("GL_NVX_gpu_memory_info", extensions)) { _this->gl_data->HAS_GL_NVX_gpu_memory_info = SDL_TRUE; } if (context) { _this->gl_data->glXMakeCurrent(display, None, NULL); _this->gl_data->glXDestroyContext(display, context); } X11_XDestroyWindow(display, w); X11_PumpEvents(_this); }