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ShaderPlayground / deps / glfw / src / wgl_context.h
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1//========================================================================
2// GLFW 3.3 WGL - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2002-2006 Marcus Geelnard
5// Copyright (c) 2006-2018 Camilla Löwy <elmindreda@glfw.org>
6//
7// This software is provided 'as-is', without any express or implied
8// warranty. In no event will the authors be held liable for any damages
9// arising from the use of this software.
10//
11// Permission is granted to anyone to use this software for any purpose,
12// including commercial applications, and to alter it and redistribute it
13// freely, subject to the following restrictions:
14//
15// 1. The origin of this software must not be misrepresented; you must not
16// claim that you wrote the original software. If you use this software
17// in a product, an acknowledgment in the product documentation would
18// be appreciated but is not required.
19//
20// 2. Altered source versions must be plainly marked as such, and must not
21// be misrepresented as being the original software.
22//
23// 3. This notice may not be removed or altered from any source
24// distribution.
25//
26//========================================================================
27
28#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
29#define WGL_SUPPORT_OPENGL_ARB 0x2010
30#define WGL_DRAW_TO_WINDOW_ARB 0x2001
31#define WGL_PIXEL_TYPE_ARB 0x2013
32#define WGL_TYPE_RGBA_ARB 0x202b
33#define WGL_ACCELERATION_ARB 0x2003
34#define WGL_NO_ACCELERATION_ARB 0x2025
35#define WGL_RED_BITS_ARB 0x2015
36#define WGL_RED_SHIFT_ARB 0x2016
37#define WGL_GREEN_BITS_ARB 0x2017
38#define WGL_GREEN_SHIFT_ARB 0x2018
39#define WGL_BLUE_BITS_ARB 0x2019
40#define WGL_BLUE_SHIFT_ARB 0x201a
41#define WGL_ALPHA_BITS_ARB 0x201b
42#define WGL_ALPHA_SHIFT_ARB 0x201c
43#define WGL_ACCUM_BITS_ARB 0x201d
44#define WGL_ACCUM_RED_BITS_ARB 0x201e
45#define WGL_ACCUM_GREEN_BITS_ARB 0x201f
46#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
47#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
48#define WGL_DEPTH_BITS_ARB 0x2022
49#define WGL_STENCIL_BITS_ARB 0x2023
50#define WGL_AUX_BUFFERS_ARB 0x2024
51#define WGL_STEREO_ARB 0x2012
52#define WGL_DOUBLE_BUFFER_ARB 0x2011
53#define WGL_SAMPLES_ARB 0x2042
54#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20a9
55#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
56#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
57#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
58#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
59#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
60#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
61#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
62#define WGL_CONTEXT_FLAGS_ARB 0x2094
63#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
64#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
65#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
66#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
67#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
68#define WGL_CONTEXT_RELEASE_BEHAVIOR_ARB 0x2097
69#define WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB 0
70#define WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB 0x2098
71#define WGL_CONTEXT_OPENGL_NO_ERROR_ARB 0x31b3
72#define WGL_COLORSPACE_EXT 0x309d
73#define WGL_COLORSPACE_SRGB_EXT 0x3089
74
75#define ERROR_INVALID_VERSION_ARB 0x2095
76#define ERROR_INVALID_PROFILE_ARB 0x2096
77#define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
78
79// WGL extension pointer typedefs
80typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC)(int);
81typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC)(HDC,int,int,UINT,const int*,int*);
82typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC)(void);
83typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC);
84typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC,HGLRC,const int*);
85#define wglSwapIntervalEXT _glfw.wgl.SwapIntervalEXT
86#define wglGetPixelFormatAttribivARB _glfw.wgl.GetPixelFormatAttribivARB
87#define wglGetExtensionsStringEXT _glfw.wgl.GetExtensionsStringEXT
88#define wglGetExtensionsStringARB _glfw.wgl.GetExtensionsStringARB
89#define wglCreateContextAttribsARB _glfw.wgl.CreateContextAttribsARB
90
91// opengl32.dll function pointer typedefs
92typedef HGLRC (WINAPI * PFN_wglCreateContext)(HDC);
93typedef BOOL (WINAPI * PFN_wglDeleteContext)(HGLRC);
94typedef PROC (WINAPI * PFN_wglGetProcAddress)(LPCSTR);
95typedef HDC (WINAPI * PFN_wglGetCurrentDC)(void);
96typedef HGLRC (WINAPI * PFN_wglGetCurrentContext)(void);
97typedef BOOL (WINAPI * PFN_wglMakeCurrent)(HDC,HGLRC);
98typedef BOOL (WINAPI * PFN_wglShareLists)(HGLRC,HGLRC);
99#define wglCreateContext _glfw.wgl.CreateContext
100#define wglDeleteContext _glfw.wgl.DeleteContext
101#define wglGetProcAddress _glfw.wgl.GetProcAddress
102#define wglGetCurrentDC _glfw.wgl.GetCurrentDC
103#define wglGetCurrentContext _glfw.wgl.GetCurrentContext
104#define wglMakeCurrent _glfw.wgl.MakeCurrent
105#define wglShareLists _glfw.wgl.ShareLists
106
107#define _GLFW_RECREATION_NOT_NEEDED 0
108#define _GLFW_RECREATION_REQUIRED 1
109#define _GLFW_RECREATION_IMPOSSIBLE 2
110
111#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
112#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
113
114
115// WGL-specific per-context data
116//
117typedef struct _GLFWcontextWGL
118{
119 HDC dc;
120 HGLRC handle;
121 int interval;
122
123} _GLFWcontextWGL;
124
125// WGL-specific global data
126//
127typedef struct _GLFWlibraryWGL
128{
129 HINSTANCE instance;
130 PFN_wglCreateContext CreateContext;
131 PFN_wglDeleteContext DeleteContext;
132 PFN_wglGetProcAddress GetProcAddress;
133 PFN_wglGetCurrentDC GetCurrentDC;
134 PFN_wglGetCurrentContext GetCurrentContext;
135 PFN_wglMakeCurrent MakeCurrent;
136 PFN_wglShareLists ShareLists;
137
138 PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
139 PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
140 PFNWGLGETEXTENSIONSSTRINGEXTPROC GetExtensionsStringEXT;
141 PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
142 PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
143 GLFWbool EXT_swap_control;
144 GLFWbool EXT_colorspace;
145 GLFWbool ARB_multisample;
146 GLFWbool ARB_framebuffer_sRGB;
147 GLFWbool EXT_framebuffer_sRGB;
148 GLFWbool ARB_pixel_format;
149 GLFWbool ARB_create_context;
150 GLFWbool ARB_create_context_profile;
151 GLFWbool EXT_create_context_es2_profile;
152 GLFWbool ARB_create_context_robustness;
153 GLFWbool ARB_create_context_no_error;
154 GLFWbool ARB_context_flush_control;
155
156} _GLFWlibraryWGL;
157
158
159GLFWbool _glfwInitWGL(void);
160void _glfwTerminateWGL(void);
161GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
162 const _GLFWctxconfig* ctxconfig,
163 const _GLFWfbconfig* fbconfig);
164