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comparison src/video/win32/SDL_win32opengl.c @ 1926:307355678142

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Added SDL_GL_ExtensionSupported() Use GL_ARB_texture_rectangle in the OpenGL renderer, if supported.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 22 Jul 2006 21:58:17 +0000
parents 83420da906a5
children 83946ee0ff1f
comparison
equal deleted inserted replaced
1925:411bfb37082b 1926:307355678142
194 HDC hdc; 194 HDC hdc;
195 PIXELFORMATDESCRIPTOR pfd; 195 PIXELFORMATDESCRIPTOR pfd;
196 int pixel_format; 196 int pixel_format;
197 HGLRC hglrc; 197 HGLRC hglrc;
198 const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0; 198 const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0;
199 const GLubyte *(WINAPI * glGetStringFunc) (GLenum);
200 const char *extensions; 199 const char *extensions;
201 200
202 hwnd = 201 hwnd =
203 CreateWindow(SDL_Appname, SDL_Appname, (WS_POPUP | WS_DISABLED), 0, 0, 202 CreateWindow(SDL_Appname, SDL_Appname, (WS_POPUP | WS_DISABLED), 0, 0,
204 10, 10, NULL, NULL, SDL_Instance, NULL); 203 10, 10, NULL, NULL, SDL_Instance, NULL);
239 (_this->gl_data->wglGetPixelFormatAttribivARB != NULL)) { 238 (_this->gl_data->wglGetPixelFormatAttribivARB != NULL)) {
240 _this->gl_data->WGL_ARB_pixel_format = 1; 239 _this->gl_data->WGL_ARB_pixel_format = 1;
241 } 240 }
242 } 241 }
243 242
244 glGetStringFunc = WIN_GL_GetProcAddress(_this, "glGetString");
245 if (glGetStringFunc) {
246 extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
247 } else {
248 /* Uh oh, something is seriously wrong here... */
249 extensions = NULL;
250 }
251
252 /* Check for WGL_EXT_swap_control */ 243 /* Check for WGL_EXT_swap_control */
253 if (HasExtension("WGL_EXT_swap_control", extensions)) { 244 if (HasExtension("WGL_EXT_swap_control", extensions)) {
254 _this->gl_data->wglSwapIntervalEXT = 245 _this->gl_data->wglSwapIntervalEXT =
255 WIN_GL_GetProcAddress(_this, "wglSwapIntervalEXT"); 246 WIN_GL_GetProcAddress(_this, "wglSwapIntervalEXT");
256 _this->gl_data->wglGetSwapIntervalEXT = 247 _this->gl_data->wglGetSwapIntervalEXT =