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comparison src/video/wincommon/SDL_wingl.c @ 671:338a62f9a528

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*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Fri, 08 Aug 2003 20:09:15 +0000
parents 864e2d2a9a55
children 92a933bf2f0f
comparison
equal deleted inserted replaced
670:b8679559e432 671:338a62f9a528
85 HDC hdc; 85 HDC hdc;
86 HGLRC hglrc; 86 HGLRC hglrc;
87 int pformat; 87 int pformat;
88 const char * (WINAPI *wglGetExtensionsStringARB)(HDC) = 0; 88 const char * (WINAPI *wglGetExtensionsStringARB)(HDC) = 0;
89 89
90 hwnd = CreateWindow(NULL, "PFormat", WS_POPUP | WS_DISABLED, 90 hwnd = CreateWindow(SDL_Appname, SDL_Appname, WS_POPUP | WS_DISABLED,
91 0, 0, 10, 10, 91 0, 0, 10, 10,
92 NULL, NULL, SDL_Instance,NULL); 92 NULL, NULL, SDL_Instance,NULL);
93 hdc = GetDC(hwnd); 93 hdc = GetDC(hwnd);
94 94
95 pformat = ChoosePixelFormat(hdc, &GL_pfd); 95 pformat = ChoosePixelFormat(hdc, &GL_pfd);
96 SetPixelFormat(hdc, pformat, &GL_pfd); 96 SetPixelFormat(hdc, pformat, &GL_pfd);
97 97
98 hglrc = this->gl_data->wglCreateContext(hdc); 98 hglrc = this->gl_data->wglCreateContext(hdc);
99 this->gl_data->wglMakeCurrent(hdc, hglrc); 99 if ( hglrc ) {
100 this->gl_data->wglMakeCurrent(hdc, hglrc);
101 }
100 102
101 wglGetExtensionsStringARB = (const char * (WINAPI *)(HDC)) 103 wglGetExtensionsStringARB = (const char * (WINAPI *)(HDC))
102 this->gl_data->wglGetProcAddress("wglGetExtensionsStringARB"); 104 this->gl_data->wglGetProcAddress("wglGetExtensionsStringARB");
103 105
104 if(wglGetExtensionsStringARB && strstr(wglGetExtensionsStringARB(hdc),"WGL_ARB_pixel_format")) { 106 if(wglGetExtensionsStringARB && strstr(wglGetExtensionsStringARB(hdc),"WGL_ARB_pixel_format")) {
116 this->gl_data->wgl_arb_pixel_format = 0; 118 this->gl_data->wgl_arb_pixel_format = 0;
117 } else { 119 } else {
118 this->gl_data->wgl_arb_pixel_format = 0; 120 this->gl_data->wgl_arb_pixel_format = 0;
119 } 121 }
120 122
121 this->gl_data->wglMakeCurrent(NULL, NULL); 123 if ( hglrc ) {
122 this->gl_data->wglDeleteContext(hglrc); 124 this->gl_data->wglMakeCurrent(NULL, NULL);
125 this->gl_data->wglDeleteContext(hglrc);
126 }
123 ReleaseDC(hwnd, hdc); 127 ReleaseDC(hwnd, hdc);
124 DestroyWindow(hwnd); 128 DestroyWindow(hwnd);
125 } 129 }
126 130
127 int WIN_GL_SetupWindow(_THIS) 131 int WIN_GL_SetupWindow(_THIS)