glfw/src/wgl_context.h
2015-10-13 00:48:18 +02:00

155 lines
6.2 KiB
C

//========================================================================
// GLFW 3.2 WGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.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.
//
//========================================================================
#ifndef _glfw3_wgl_context_h_
#define _glfw3_wgl_context_h_
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_TYPE_RGBA_ARB 0x202b
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NO_ACCELERATION_ARB 0x2025
#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_STEREO_ARB 0x2012
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_SAMPLES_ARB 0x2042
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20a9
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
#define WGL_CONTEXT_RELEASE_BEHAVIOR_ARB 0x2097
#define WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB 0
#define WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB 0x2098
typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC)(int);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC)(HDC,int,int,UINT,const int*,int*);
typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC)(void);
typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC);
typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC,HGLRC,const int*);
typedef HGLRC (WINAPI * WGLCREATECONTEXT_T)(HDC);
typedef BOOL (WINAPI * WGLDELETECONTEXT_T)(HGLRC);
typedef PROC (WINAPI * WGLGETPROCADDRESS_T)(LPCSTR);
typedef BOOL (WINAPI * WGLMAKECURRENT_T)(HDC,HGLRC);
typedef BOOL (WINAPI * WGLSHARELISTS_T)(HGLRC,HGLRC);
// opengl32.dll function pointer typedefs
#define _glfw_wglCreateContext _glfw.wgl.opengl32.CreateContext
#define _glfw_wglDeleteContext _glfw.wgl.opengl32.DeleteContext
#define _glfw_wglGetProcAddress _glfw.wgl.opengl32.GetProcAddress
#define _glfw_wglMakeCurrent _glfw.wgl.opengl32.MakeCurrent
#define _glfw_wglShareLists _glfw.wgl.opengl32.ShareLists
#define _GLFW_PLATFORM_FBCONFIG int wgl
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
// WGL-specific per-context data
//
typedef struct _GLFWcontextWGL
{
HDC dc; // Private GDI device context
HGLRC context; // Permanent rendering context
int interval;
// WGL extensions (context specific)
PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
PFNWGLGETEXTENSIONSSTRINGEXTPROC GetExtensionsStringEXT;
PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
GLFWbool EXT_swap_control;
GLFWbool ARB_multisample;
GLFWbool ARB_framebuffer_sRGB;
GLFWbool EXT_framebuffer_sRGB;
GLFWbool ARB_pixel_format;
GLFWbool ARB_create_context;
GLFWbool ARB_create_context_profile;
GLFWbool EXT_create_context_es2_profile;
GLFWbool ARB_create_context_robustness;
GLFWbool ARB_context_flush_control;
} _GLFWcontextWGL;
// WGL-specific global data
//
typedef struct _GLFWlibraryWGL
{
struct {
HINSTANCE instance;
WGLCREATECONTEXT_T CreateContext;
WGLDELETECONTEXT_T DeleteContext;
WGLGETPROCADDRESS_T GetProcAddress;
WGLMAKECURRENT_T MakeCurrent;
WGLSHARELISTS_T ShareLists;
} opengl32;
} _GLFWlibraryWGL;
int _glfwInitContextAPI(void);
void _glfwTerminateContextAPI(void);
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
void _glfwDestroyContext(_GLFWwindow* window);
int _glfwAnalyzeContext(const _GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
#endif // _glfw3_wgl_context_h_