mirror of
https://github.com/gwm17/glfw.git
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155 lines
6.2 KiB
C
155 lines
6.2 KiB
C
//========================================================================
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// GLFW 3.2 WGL - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _glfw3_wgl_context_h_
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#define _glfw3_wgl_context_h_
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#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
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#define WGL_SUPPORT_OPENGL_ARB 0x2010
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#define WGL_DRAW_TO_WINDOW_ARB 0x2001
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#define WGL_PIXEL_TYPE_ARB 0x2013
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#define WGL_TYPE_RGBA_ARB 0x202b
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#define WGL_ACCELERATION_ARB 0x2003
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#define WGL_NO_ACCELERATION_ARB 0x2025
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#define WGL_RED_BITS_ARB 0x2015
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#define WGL_RED_SHIFT_ARB 0x2016
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#define WGL_GREEN_BITS_ARB 0x2017
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#define WGL_GREEN_SHIFT_ARB 0x2018
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#define WGL_BLUE_BITS_ARB 0x2019
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#define WGL_BLUE_SHIFT_ARB 0x201a
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#define WGL_ALPHA_BITS_ARB 0x201b
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#define WGL_ALPHA_SHIFT_ARB 0x201c
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#define WGL_ACCUM_BITS_ARB 0x201d
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#define WGL_ACCUM_RED_BITS_ARB 0x201e
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#define WGL_ACCUM_GREEN_BITS_ARB 0x201f
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#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
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#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
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#define WGL_DEPTH_BITS_ARB 0x2022
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#define WGL_STENCIL_BITS_ARB 0x2023
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#define WGL_AUX_BUFFERS_ARB 0x2024
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#define WGL_STEREO_ARB 0x2012
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#define WGL_DOUBLE_BUFFER_ARB 0x2011
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#define WGL_SAMPLES_ARB 0x2042
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#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20a9
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#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
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#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
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#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
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#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
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#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
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#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
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#define WGL_CONTEXT_FLAGS_ARB 0x2094
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#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
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#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
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#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
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#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
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#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
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#define WGL_CONTEXT_RELEASE_BEHAVIOR_ARB 0x2097
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#define WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB 0
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#define WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB 0x2098
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typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC)(int);
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typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC)(HDC,int,int,UINT,const int*,int*);
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typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC)(void);
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typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC);
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typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC,HGLRC,const int*);
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typedef HGLRC (WINAPI * WGLCREATECONTEXT_T)(HDC);
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typedef BOOL (WINAPI * WGLDELETECONTEXT_T)(HGLRC);
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typedef PROC (WINAPI * WGLGETPROCADDRESS_T)(LPCSTR);
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typedef BOOL (WINAPI * WGLMAKECURRENT_T)(HDC,HGLRC);
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typedef BOOL (WINAPI * WGLSHARELISTS_T)(HGLRC,HGLRC);
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// opengl32.dll function pointer typedefs
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#define _glfw_wglCreateContext _glfw.wgl.opengl32.CreateContext
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#define _glfw_wglDeleteContext _glfw.wgl.opengl32.DeleteContext
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#define _glfw_wglGetProcAddress _glfw.wgl.opengl32.GetProcAddress
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#define _glfw_wglMakeCurrent _glfw.wgl.opengl32.MakeCurrent
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#define _glfw_wglShareLists _glfw.wgl.opengl32.ShareLists
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#define _GLFW_PLATFORM_FBCONFIG int wgl
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
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#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
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// WGL-specific per-context data
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//
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typedef struct _GLFWcontextWGL
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{
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HDC dc; // Private GDI device context
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HGLRC context; // Permanent rendering context
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int interval;
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// WGL extensions (context specific)
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PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
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PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
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PFNWGLGETEXTENSIONSSTRINGEXTPROC GetExtensionsStringEXT;
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PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
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PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
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GLFWbool EXT_swap_control;
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GLFWbool ARB_multisample;
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GLFWbool ARB_framebuffer_sRGB;
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GLFWbool EXT_framebuffer_sRGB;
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GLFWbool ARB_pixel_format;
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GLFWbool ARB_create_context;
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GLFWbool ARB_create_context_profile;
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GLFWbool EXT_create_context_es2_profile;
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GLFWbool ARB_create_context_robustness;
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GLFWbool ARB_context_flush_control;
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} _GLFWcontextWGL;
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// WGL-specific global data
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//
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typedef struct _GLFWlibraryWGL
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{
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struct {
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HINSTANCE instance;
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WGLCREATECONTEXT_T CreateContext;
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WGLDELETECONTEXT_T DeleteContext;
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WGLGETPROCADDRESS_T GetProcAddress;
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WGLMAKECURRENT_T MakeCurrent;
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WGLSHARELISTS_T ShareLists;
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} opengl32;
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} _GLFWlibraryWGL;
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int _glfwInitContextAPI(void);
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void _glfwTerminateContextAPI(void);
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContext(_GLFWwindow* window);
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int _glfwAnalyzeContext(const _GLFWwindow* window,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig);
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#endif // _glfw3_wgl_context_h_
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