src/video/windows/SDL_windowsopengl.h

   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: */