git.sesse.net Git - pistorm/blob - raylib/external/glfw/src/wgl_context.h

   1 //========================================================================
   2 // GLFW 3.4 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
  80 typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC)(int);
  81 typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC)(HDC,int,int,UINT,const int*,int*);
  82 typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC)(void);
  83 typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC);
  84 typedef 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
  92 typedef HGLRC (WINAPI * PFN_wglCreateContext)(HDC);
  93 typedef BOOL (WINAPI * PFN_wglDeleteContext)(HGLRC);
  94 typedef PROC (WINAPI * PFN_wglGetProcAddress)(LPCSTR);
  95 typedef HDC (WINAPI * PFN_wglGetCurrentDC)(void);
  96 typedef HGLRC (WINAPI * PFN_wglGetCurrentContext)(void);
  97 typedef BOOL (WINAPI * PFN_wglMakeCurrent)(HDC,HGLRC);
  98 typedef 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_PLATFORM_CONTEXT_STATE            _GLFWcontextWGL wgl
 108 #define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE    _GLFWlibraryWGL wgl
 109
 110
 111 // WGL-specific per-context data
 112 //
 113 typedef struct _GLFWcontextWGL
 114 {
 115     HDC       dc;
 116     HGLRC     handle;
 117     int       interval;
 118
 119 } _GLFWcontextWGL;
 120
 121 // WGL-specific global data
 122 //
 123 typedef struct _GLFWlibraryWGL
 124 {
 125     HINSTANCE                           instance;
 126     PFN_wglCreateContext                CreateContext;
 127     PFN_wglDeleteContext                DeleteContext;
 128     PFN_wglGetProcAddress               GetProcAddress;
 129     PFN_wglGetCurrentDC                 GetCurrentDC;
 130     PFN_wglGetCurrentContext            GetCurrentContext;
 131     PFN_wglMakeCurrent                  MakeCurrent;
 132     PFN_wglShareLists                   ShareLists;
 133
 134     PFNWGLSWAPINTERVALEXTPROC           SwapIntervalEXT;
 135     PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
 136     PFNWGLGETEXTENSIONSSTRINGEXTPROC    GetExtensionsStringEXT;
 137     PFNWGLGETEXTENSIONSSTRINGARBPROC    GetExtensionsStringARB;
 138     PFNWGLCREATECONTEXTATTRIBSARBPROC   CreateContextAttribsARB;
 139     GLFWbool                            EXT_swap_control;
 140     GLFWbool                            EXT_colorspace;
 141     GLFWbool                            ARB_multisample;
 142     GLFWbool                            ARB_framebuffer_sRGB;
 143     GLFWbool                            EXT_framebuffer_sRGB;
 144     GLFWbool                            ARB_pixel_format;
 145     GLFWbool                            ARB_create_context;
 146     GLFWbool                            ARB_create_context_profile;
 147     GLFWbool                            EXT_create_context_es2_profile;
 148     GLFWbool                            ARB_create_context_robustness;
 149     GLFWbool                            ARB_create_context_no_error;
 150     GLFWbool                            ARB_context_flush_control;
 151
 152 } _GLFWlibraryWGL;
 153
 154
 155 GLFWbool _glfwInitWGL(void);
 156 void _glfwTerminateWGL(void);
 157 GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
 158                                const _GLFWctxconfig* ctxconfig,
 159                                const _GLFWfbconfig* fbconfig);
 160