1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 #include "../../SDL_internal.h" 22 23 #ifndef _SDL_windowsopengl_h 24 #define _SDL_windowsopengl_h 25 26 #if SDL_VIDEO_OPENGL_WGL 27 28 struct SDL_GLDriverData 29 { 30 SDL_bool HAS_WGL_ARB_pixel_format; 31 SDL_bool HAS_WGL_EXT_swap_control_tear; 32 SDL_bool HAS_WGL_EXT_create_context_es2_profile; 33 SDL_bool HAS_WGL_ARB_context_flush_control; 34 35 void *(WINAPI * wglGetProcAddress) (const char *proc); 36 HGLRC(WINAPI * wglCreateContext) (HDC hdc); 37 BOOL(WINAPI * wglDeleteContext) (HGLRC hglrc); 38 BOOL(WINAPI * wglMakeCurrent) (HDC hdc, HGLRC hglrc); 39 BOOL(WINAPI * wglShareLists) (HGLRC hglrc1, HGLRC hglrc2); 40 BOOL(WINAPI * wglChoosePixelFormatARB) (HDC hdc, 41 const int *piAttribIList, 42 const FLOAT * pfAttribFList, 43 UINT nMaxFormats, 44 int *piFormats, 45 UINT * nNumFormats); 46 BOOL(WINAPI * wglGetPixelFormatAttribivARB) (HDC hdc, int iPixelFormat, 47 int iLayerPlane, 48 UINT nAttributes, 49 const int *piAttributes, 50 int *piValues); 51 BOOL (WINAPI * wglSwapIntervalEXT) (int interval); 52 int (WINAPI * wglGetSwapIntervalEXT) (void); 53 }; 54 55 /* OpenGL functions */ 56 extern int WIN_GL_LoadLibrary(_THIS, const char *path); 57 extern void *WIN_GL_GetProcAddress(_THIS, const char *proc); 58 extern void WIN_GL_UnloadLibrary(_THIS); 59 extern int WIN_GL_SetupWindow(_THIS, SDL_Window * window); 60 extern SDL_GLContext WIN_GL_CreateContext(_THIS, SDL_Window * window); 61 extern int WIN_GL_MakeCurrent(_THIS, SDL_Window * window, 62 SDL_GLContext context); 63 extern int WIN_GL_SetSwapInterval(_THIS, int interval); 64 extern int WIN_GL_GetSwapInterval(_THIS); 65 extern void WIN_GL_SwapWindow(_THIS, SDL_Window * window); 66 extern void WIN_GL_DeleteContext(_THIS, SDL_GLContext context); 67 extern void WIN_GL_InitExtensions(_THIS); 68 extern SDL_bool WIN_GL_SetPixelFormatFrom(_THIS, SDL_Window * fromWindow, SDL_Window * toWindow); 69 70 #ifndef WGL_ARB_pixel_format 71 #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 72 #define WGL_DRAW_TO_WINDOW_ARB 0x2001 73 #define WGL_DRAW_TO_BITMAP_ARB 0x2002 74 #define WGL_ACCELERATION_ARB 0x2003 75 #define WGL_NEED_PALETTE_ARB 0x2004 76 #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 77 #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 78 #define WGL_SWAP_METHOD_ARB 0x2007 79 #define WGL_NUMBER_OVERLAYS_ARB 0x2008 80 #define WGL_NUMBER_UNDERLAYS_ARB 0x2009 81 #define WGL_TRANSPARENT_ARB 0x200A 82 #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 83 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 84 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 85 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A 86 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B 87 #define WGL_SHARE_DEPTH_ARB 0x200C 88 #define WGL_SHARE_STENCIL_ARB 0x200D 89 #define WGL_SHARE_ACCUM_ARB 0x200E 90 #define WGL_SUPPORT_GDI_ARB 0x200F 91 #define WGL_SUPPORT_OPENGL_ARB 0x2010 92 #define WGL_DOUBLE_BUFFER_ARB 0x2011 93 #define WGL_STEREO_ARB 0x2012 94 #define WGL_PIXEL_TYPE_ARB 0x2013 95 #define WGL_COLOR_BITS_ARB 0x2014 96 #define WGL_RED_BITS_ARB 0x2015 97 #define WGL_RED_SHIFT_ARB 0x2016 98 #define WGL_GREEN_BITS_ARB 0x2017 99 #define WGL_GREEN_SHIFT_ARB 0x2018 100 #define WGL_BLUE_BITS_ARB 0x2019 101 #define WGL_BLUE_SHIFT_ARB 0x201A 102 #define WGL_ALPHA_BITS_ARB 0x201B 103 #define WGL_ALPHA_SHIFT_ARB 0x201C 104 #define WGL_ACCUM_BITS_ARB 0x201D 105 #define WGL_ACCUM_RED_BITS_ARB 0x201E 106 #define WGL_ACCUM_GREEN_BITS_ARB 0x201F 107 #define WGL_ACCUM_BLUE_BITS_ARB 0x2020 108 #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 109 #define WGL_DEPTH_BITS_ARB 0x2022 110 #define WGL_STENCIL_BITS_ARB 0x2023 111 #define WGL_AUX_BUFFERS_ARB 0x2024 112 #define WGL_NO_ACCELERATION_ARB 0x2025 113 #define WGL_GENERIC_ACCELERATION_ARB 0x2026 114 #define WGL_FULL_ACCELERATION_ARB 0x2027 115 #define WGL_SWAP_EXCHANGE_ARB 0x2028 116 #define WGL_SWAP_COPY_ARB 0x2029 117 #define WGL_SWAP_UNDEFINED_ARB 0x202A 118 #define WGL_TYPE_RGBA_ARB 0x202B 119 #define WGL_TYPE_COLORINDEX_ARB 0x202C 120 #endif 121 122 #ifndef WGL_ARB_multisample 123 #define WGL_SAMPLE_BUFFERS_ARB 0x2041 124 #define WGL_SAMPLES_ARB 0x2042 125 #endif 126 127 #endif /* SDL_VIDEO_OPENGL_WGL */ 128 129 #endif /* _SDL_windowsopengl_h */ 130 131 /* vi: set ts=4 sw=4 expandtab: */ 132