| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #ifndef SDL_windowsopengl_h_ |
| #define SDL_windowsopengl_h_ |
| |
| #ifdef SDL_VIDEO_OPENGL_WGL |
| |
| #if defined(__XBOXONE__) || defined(__XBOXSERIES__) |
| typedef struct tagPIXELFORMATDESCRIPTOR |
| { |
| WORD nSize; |
| WORD nVersion; |
| DWORD dwFlags; |
| BYTE iPixelType; |
| BYTE cColorBits; |
| BYTE cRedBits; |
| BYTE cRedShift; |
| BYTE cGreenBits; |
| BYTE cGreenShift; |
| BYTE cBlueBits; |
| BYTE cBlueShift; |
| BYTE cAlphaBits; |
| BYTE cAlphaShift; |
| BYTE cAccumBits; |
| BYTE cAccumRedBits; |
| BYTE cAccumGreenBits; |
| BYTE cAccumBlueBits; |
| BYTE cAccumAlphaBits; |
| BYTE cDepthBits; |
| BYTE cStencilBits; |
| BYTE cAuxBuffers; |
| BYTE iLayerType; |
| BYTE bReserved; |
| DWORD dwLayerMask; |
| DWORD dwVisibleMask; |
| DWORD dwDamageMask; |
| } PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR; |
| #endif |
| |
| struct SDL_GLDriverData |
| { |
| SDL_bool HAS_WGL_ARB_pixel_format; |
| SDL_bool HAS_WGL_EXT_swap_control_tear; |
| SDL_bool HAS_WGL_ARB_context_flush_control; |
| SDL_bool HAS_WGL_ARB_create_context_robustness; |
| SDL_bool HAS_WGL_ARB_create_context_no_error; |
| |
| /* Max version of OpenGL ES context that can be created if the |
| implementation supports WGL_EXT_create_context_es2_profile. |
| major = minor = 0 when unsupported. |
| */ |
| struct |
| { |
| int major; |
| int minor; |
| } es_profile_max_supported_version; |
| |
| /* *INDENT-OFF* */ /* clang-format off */ |
| void *(WINAPI *wglGetProcAddress)(const char *proc); |
| HGLRC (WINAPI *wglCreateContext)(HDC hdc); |
| BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc); |
| BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc); |
| BOOL (WINAPI *wglShareLists)(HGLRC hglrc1, HGLRC hglrc2); |
| BOOL (WINAPI *wglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT * pfAttribFList, UINT nMaxFormats, int *piFormats, UINT * nNumFormats); |
| BOOL (WINAPI *wglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues); |
| BOOL (WINAPI *wglSwapIntervalEXT)(int interval); |
| int (WINAPI *wglGetSwapIntervalEXT)(void); |
| #if defined(__XBOXONE__) || defined(__XBOXSERIES__) |
| BOOL (WINAPI *wglSwapBuffers)(HDC hdc); |
| int (WINAPI *wglDescribePixelFormat)(HDC hdc, |
| int iPixelFormat, |
| UINT nBytes, |
| LPPIXELFORMATDESCRIPTOR ppfd); |
| int (WINAPI *wglChoosePixelFormat)(HDC hdc, |
| const PIXELFORMATDESCRIPTOR *ppfd); |
| BOOL (WINAPI *wglSetPixelFormat)(HDC hdc, |
| int format, |
| const PIXELFORMATDESCRIPTOR *ppfd); |
| int (WINAPI *wglGetPixelFormat)(HDC hdc); |
| #endif |
| /* *INDENT-ON* */ /* clang-format on */ |
| }; |
| |
| /* OpenGL functions */ |
| extern int WIN_GL_LoadLibrary(_THIS, const char *path); |
| extern void *WIN_GL_GetProcAddress(_THIS, const char *proc); |
| extern void WIN_GL_UnloadLibrary(_THIS); |
| extern SDL_bool WIN_GL_UseEGL(_THIS); |
| extern int WIN_GL_SetupWindow(_THIS, SDL_Window *window); |
| extern SDL_GLContext WIN_GL_CreateContext(_THIS, SDL_Window *window); |
| extern int WIN_GL_MakeCurrent(_THIS, SDL_Window *window, |
| SDL_GLContext context); |
| extern int WIN_GL_SetSwapInterval(_THIS, int interval); |
| extern int WIN_GL_GetSwapInterval(_THIS); |
| extern int WIN_GL_SwapWindow(_THIS, SDL_Window *window); |
| extern void WIN_GL_DeleteContext(_THIS, SDL_GLContext context); |
| extern void WIN_GL_InitExtensions(_THIS); |
| extern SDL_bool WIN_GL_SetPixelFormatFrom(_THIS, SDL_Window *fromWindow, SDL_Window *toWindow); |
| |
| #ifndef WGL_ARB_pixel_format |
| #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 |
| #define WGL_DRAW_TO_WINDOW_ARB 0x2001 |
| #define WGL_DRAW_TO_BITMAP_ARB 0x2002 |
| #define WGL_ACCELERATION_ARB 0x2003 |
| #define WGL_NEED_PALETTE_ARB 0x2004 |
| #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 |
| #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 |
| #define WGL_SWAP_METHOD_ARB 0x2007 |
| #define WGL_NUMBER_OVERLAYS_ARB 0x2008 |
| #define WGL_NUMBER_UNDERLAYS_ARB 0x2009 |
| #define WGL_TRANSPARENT_ARB 0x200A |
| #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 |
| #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 |
| #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 |
| #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A |
| #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B |
| #define WGL_SHARE_DEPTH_ARB 0x200C |
| #define WGL_SHARE_STENCIL_ARB 0x200D |
| #define WGL_SHARE_ACCUM_ARB 0x200E |
| #define WGL_SUPPORT_GDI_ARB 0x200F |
| #define WGL_SUPPORT_OPENGL_ARB 0x2010 |
| #define WGL_DOUBLE_BUFFER_ARB 0x2011 |
| #define WGL_STEREO_ARB 0x2012 |
| #define WGL_PIXEL_TYPE_ARB 0x2013 |
| #define WGL_COLOR_BITS_ARB 0x2014 |
| #define WGL_RED_BITS_ARB 0x2015 |
| #define WGL_RED_SHIFT_ARB 0x2016 |
| #define WGL_GREEN_BITS_ARB 0x2017 |
| #define WGL_GREEN_SHIFT_ARB 0x2018 |
| #define WGL_BLUE_BITS_ARB 0x2019 |
| #define WGL_BLUE_SHIFT_ARB 0x201A |
| #define WGL_ALPHA_BITS_ARB 0x201B |
| #define WGL_ALPHA_SHIFT_ARB 0x201C |
| #define WGL_ACCUM_BITS_ARB 0x201D |
| #define WGL_ACCUM_RED_BITS_ARB 0x201E |
| #define WGL_ACCUM_GREEN_BITS_ARB 0x201F |
| #define WGL_ACCUM_BLUE_BITS_ARB 0x2020 |
| #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 |
| #define WGL_DEPTH_BITS_ARB 0x2022 |
| #define WGL_STENCIL_BITS_ARB 0x2023 |
| #define WGL_AUX_BUFFERS_ARB 0x2024 |
| #define WGL_NO_ACCELERATION_ARB 0x2025 |
| #define WGL_GENERIC_ACCELERATION_ARB 0x2026 |
| #define WGL_FULL_ACCELERATION_ARB 0x2027 |
| #define WGL_SWAP_EXCHANGE_ARB 0x2028 |
| #define WGL_SWAP_COPY_ARB 0x2029 |
| #define WGL_SWAP_UNDEFINED_ARB 0x202A |
| #define WGL_TYPE_RGBA_ARB 0x202B |
| #define WGL_TYPE_COLORINDEX_ARB 0x202C |
| #endif |
| |
| #ifndef WGL_ARB_multisample |
| #define WGL_SAMPLE_BUFFERS_ARB 0x2041 |
| #define WGL_SAMPLES_ARB 0x2042 |
| #endif |
| |
| #endif /* SDL_VIDEO_OPENGL_WGL */ |
| |
| #endif /* SDL_windowsopengl_h_ */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |
