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Diffstat (limited to 'contrib/SDL-3.2.8/src/video/windows/SDL_windowsopengl.h')
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diff --git a/contrib/SDL-3.2.8/src/video/windows/SDL_windowsopengl.h b/contrib/SDL-3.2.8/src/video/windows/SDL_windowsopengl.h
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2025 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#ifdef SDL_VIDEO_OPENGL_WGL
27
28#if defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES)
29typedef struct tagPIXELFORMATDESCRIPTOR
30{
31 WORD nSize;
32 WORD nVersion;
33 DWORD dwFlags;
34 BYTE iPixelType;
35 BYTE cColorBits;
36 BYTE cRedBits;
37 BYTE cRedShift;
38 BYTE cGreenBits;
39 BYTE cGreenShift;
40 BYTE cBlueBits;
41 BYTE cBlueShift;
42 BYTE cAlphaBits;
43 BYTE cAlphaShift;
44 BYTE cAccumBits;
45 BYTE cAccumRedBits;
46 BYTE cAccumGreenBits;
47 BYTE cAccumBlueBits;
48 BYTE cAccumAlphaBits;
49 BYTE cDepthBits;
50 BYTE cStencilBits;
51 BYTE cAuxBuffers;
52 BYTE iLayerType;
53 BYTE bReserved;
54 DWORD dwLayerMask;
55 DWORD dwVisibleMask;
56 DWORD dwDamageMask;
57} PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR;
58#endif
59
60struct SDL_GLDriverData
61{
62 bool HAS_WGL_ARB_pixel_format;
63 bool HAS_WGL_EXT_swap_control_tear;
64 bool HAS_WGL_ARB_context_flush_control;
65 bool HAS_WGL_ARB_create_context_robustness;
66 bool HAS_WGL_ARB_create_context_no_error;
67
68 /* Max version of OpenGL ES context that can be created if the
69 implementation supports WGL_EXT_create_context_es2_profile.
70 major = minor = 0 when unsupported.
71 */
72 struct
73 {
74 int major;
75 int minor;
76 } es_profile_max_supported_version;
77
78 /* *INDENT-OFF* */ // clang-format off
79 PROC (WINAPI *wglGetProcAddress)(const char *proc);
80 HGLRC (WINAPI *wglCreateContext)(HDC hdc);
81 BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc);
82 BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc);
83 BOOL (WINAPI *wglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
84 BOOL (WINAPI *wglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT * pfAttribFList, UINT nMaxFormats, int *piFormats, UINT * nNumFormats);
85 BOOL (WINAPI *wglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
86 BOOL (WINAPI *wglSwapIntervalEXT)(int interval);
87 int (WINAPI *wglGetSwapIntervalEXT)(void);
88#if defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES)
89 BOOL (WINAPI *wglSwapBuffers)(HDC hdc);
90 int (WINAPI *wglDescribePixelFormat)(HDC hdc,
91 int iPixelFormat,
92 UINT nBytes,
93 LPPIXELFORMATDESCRIPTOR ppfd);
94 int (WINAPI *wglChoosePixelFormat)(HDC hdc,
95 const PIXELFORMATDESCRIPTOR *ppfd);
96 BOOL (WINAPI *wglSetPixelFormat)(HDC hdc,
97 int format,
98 const PIXELFORMATDESCRIPTOR *ppfd);
99 int (WINAPI *wglGetPixelFormat)(HDC hdc);
100#endif
101 /* *INDENT-ON* */ // clang-format on
102};
103
104// OpenGL functions
105extern bool WIN_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path);
106extern SDL_FunctionPointer WIN_GL_GetProcAddress(SDL_VideoDevice *_this, const char *proc);
107extern void WIN_GL_UnloadLibrary(SDL_VideoDevice *_this);
108extern bool WIN_GL_UseEGL(SDL_VideoDevice *_this);
109extern bool WIN_GL_SetupWindow(SDL_VideoDevice *_this, SDL_Window *window);
110extern SDL_GLContext WIN_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
111extern bool WIN_GL_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window,
112 SDL_GLContext context);
113extern bool WIN_GL_SetSwapInterval(SDL_VideoDevice *_this, int interval);
114extern bool WIN_GL_GetSwapInterval(SDL_VideoDevice *_this, int *interval);
115extern bool WIN_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window);
116extern bool WIN_GL_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context);
117extern void WIN_GL_InitExtensions(SDL_VideoDevice *_this);
118
119#ifndef WGL_ARB_pixel_format
120#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
121#define WGL_DRAW_TO_WINDOW_ARB 0x2001
122#define WGL_DRAW_TO_BITMAP_ARB 0x2002
123#define WGL_ACCELERATION_ARB 0x2003
124#define WGL_NEED_PALETTE_ARB 0x2004
125#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
126#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
127#define WGL_SWAP_METHOD_ARB 0x2007
128#define WGL_NUMBER_OVERLAYS_ARB 0x2008
129#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
130#define WGL_TRANSPARENT_ARB 0x200A
131#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
132#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
133#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
134#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
135#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
136#define WGL_SHARE_DEPTH_ARB 0x200C
137#define WGL_SHARE_STENCIL_ARB 0x200D
138#define WGL_SHARE_ACCUM_ARB 0x200E
139#define WGL_SUPPORT_GDI_ARB 0x200F
140#define WGL_SUPPORT_OPENGL_ARB 0x2010
141#define WGL_DOUBLE_BUFFER_ARB 0x2011
142#define WGL_STEREO_ARB 0x2012
143#define WGL_PIXEL_TYPE_ARB 0x2013
144#define WGL_COLOR_BITS_ARB 0x2014
145#define WGL_RED_BITS_ARB 0x2015
146#define WGL_RED_SHIFT_ARB 0x2016
147#define WGL_GREEN_BITS_ARB 0x2017
148#define WGL_GREEN_SHIFT_ARB 0x2018
149#define WGL_BLUE_BITS_ARB 0x2019
150#define WGL_BLUE_SHIFT_ARB 0x201A
151#define WGL_ALPHA_BITS_ARB 0x201B
152#define WGL_ALPHA_SHIFT_ARB 0x201C
153#define WGL_ACCUM_BITS_ARB 0x201D
154#define WGL_ACCUM_RED_BITS_ARB 0x201E
155#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
156#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
157#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
158#define WGL_DEPTH_BITS_ARB 0x2022
159#define WGL_STENCIL_BITS_ARB 0x2023
160#define WGL_AUX_BUFFERS_ARB 0x2024
161#define WGL_NO_ACCELERATION_ARB 0x2025
162#define WGL_GENERIC_ACCELERATION_ARB 0x2026
163#define WGL_FULL_ACCELERATION_ARB 0x2027
164#define WGL_SWAP_EXCHANGE_ARB 0x2028
165#define WGL_SWAP_COPY_ARB 0x2029
166#define WGL_SWAP_UNDEFINED_ARB 0x202A
167#define WGL_TYPE_RGBA_ARB 0x202B
168#define WGL_TYPE_COLORINDEX_ARB 0x202C
169#endif
170
171#ifndef WGL_ARB_multisample
172#define WGL_SAMPLE_BUFFERS_ARB 0x2041
173#define WGL_SAMPLES_ARB 0x2042
174#endif
175
176#endif // SDL_VIDEO_OPENGL_WGL
177
178#endif // SDL_windowsopengl_h_
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