mirror of
https://github.com/gwm17/glfw.git
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249 lines
8.5 KiB
C
249 lines
8.5 KiB
C
//========================================================================
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// GLFW - An OpenGL library
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// Platform: Win32/WGL
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// API version: 3.0
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// WWW: http://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 _platform_h_
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#define _platform_h_
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// We don't need all the fancy stuff
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#ifndef VC_EXTRALEAN
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#define VC_EXTRALEAN
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#endif
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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// This is a workaround for the fact that glfw3.h needs to export APIENTRY (to
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// correctly declare a GL_ARB_debug_output callback, for example) but windows.h
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// thinks it is the only one that gets to do so
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#undef APIENTRY
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// GLFW on Windows is Unicode only and does not work in MBCS mode
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#ifndef UNICODE
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#define UNICODE
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#endif
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// GLFW requires Windows XP
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#ifndef WINVER
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#define WINVER 0x0501
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#endif
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#include <windows.h>
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#include <mmsystem.h>
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// This path may need to be changed if you build GLFW using your own setup
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// We ship and use our own copy of wglext.h since GLFW uses fairly new
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// extensions and not all operating systems come with an up-to-date version
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#include "../support/GL/wglext.h"
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//========================================================================
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// Hack: Define things that some windows.h variants don't
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//========================================================================
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#ifndef WM_MOUSEHWHEEL
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#define WM_MOUSEHWHEEL 0x020E
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#endif
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//========================================================================
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// DLLs that are loaded at glfwInit()
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//========================================================================
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// winmm.dll function pointer typedefs
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#ifndef _GLFW_NO_DLOAD_WINMM
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typedef MMRESULT (WINAPI * JOYGETDEVCAPS_T) (UINT,LPJOYCAPS,UINT);
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typedef MMRESULT (WINAPI * JOYGETPOS_T) (UINT,LPJOYINFO);
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typedef MMRESULT (WINAPI * JOYGETPOSEX_T) (UINT,LPJOYINFOEX);
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typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
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#endif // _GLFW_NO_DLOAD_WINMM
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// winmm.dll shortcuts
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#ifndef _GLFW_NO_DLOAD_WINMM
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#define _glfw_joyGetDevCaps _glfwLibrary.Win32.winmm.joyGetDevCaps
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#define _glfw_joyGetPos _glfwLibrary.Win32.winmm.joyGetPos
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#define _glfw_joyGetPosEx _glfwLibrary.Win32.winmm.joyGetPosEx
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#define _glfw_timeGetTime _glfwLibrary.Win32.winmm.timeGetTime
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#else
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#define _glfw_joyGetDevCaps joyGetDevCaps
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#define _glfw_joyGetPos joyGetPos
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#define _glfw_joyGetPosEx joyGetPosEx
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#define _glfw_timeGetTime timeGetTime
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#endif // _GLFW_NO_DLOAD_WINMM
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// We use versioned window class names in order not to cause conflicts
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// between applications using different versions of GLFW
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#define _GLFW_WNDCLASSNAME L"GLFW30"
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowWin32 Win32
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL WGL
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 Win32
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#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryWGL WGL
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Pointer length integer
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//------------------------------------------------------------------------
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typedef INT_PTR GLFWintptr;
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//------------------------------------------------------------------------
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// Platform-specific OpenGL context structure
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//------------------------------------------------------------------------
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typedef struct _GLFWcontextWGL
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{
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// Platform specific window resources
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HDC DC; // Private GDI device context
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HGLRC context; // Permanent rendering context
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// Platform specific 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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GLboolean EXT_swap_control;
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GLboolean ARB_multisample;
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GLboolean ARB_pixel_format;
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GLboolean ARB_create_context;
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GLboolean ARB_create_context_profile;
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GLboolean EXT_create_context_es2_profile;
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GLboolean ARB_create_context_robustness;
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} _GLFWcontextWGL;
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//------------------------------------------------------------------------
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// Platform-specific window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindowWin32
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{
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// Platform specific window resources
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HWND handle; // Window handle
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DWORD dwStyle; // Window styles used for window creation
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DWORD dwExStyle; // --"--
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// Various platform specific internal variables
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int desiredRefreshRate; // Desired vertical monitor refresh rate
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GLboolean cursorCentered;
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GLboolean cursorInside;
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int oldCursorX, oldCursorY;
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} _GLFWwindowWin32;
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//------------------------------------------------------------------------
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// Platform-specific library global data for Win32
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryWin32
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{
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HINSTANCE instance; // Instance of the application
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ATOM classAtom; // Window class atom
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HHOOK keyboardHook; // Keyboard hook handle
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DWORD foregroundLockTimeout;
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char* clipboardString;
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// Default monitor
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struct {
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GLboolean modeChanged;
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int width;
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int height;
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int bitsPerPixel;
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int refreshRate;
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} monitor;
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// Timer data
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struct {
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GLboolean hasPerformanceCounter;
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double resolution;
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unsigned int t0_32;
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__int64 t0_64;
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} timer;
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#ifndef _GLFW_NO_DLOAD_WINMM
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// winmm.dll
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struct {
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HINSTANCE instance;
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JOYGETDEVCAPS_T joyGetDevCaps;
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JOYGETPOS_T joyGetPos;
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JOYGETPOSEX_T joyGetPosEx;
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TIMEGETTIME_T timeGetTime;
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} winmm;
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#endif // _GLFW_NO_DLOAD_WINMM
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} _GLFWlibraryWin32;
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//------------------------------------------------------------------------
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// Platform-specific library global data for WGL
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryWGL
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{
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int dummy;
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} _GLFWlibraryWGL;
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//========================================================================
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// Prototypes for platform specific internal functions
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//========================================================================
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// Wide strings
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WCHAR* _glfwCreateWideStringFromUTF8(const char* source);
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char* _glfwCreateUTF8FromWideString(const WCHAR* source);
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// Time
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void _glfwInitTimer(void);
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// OpenGL support
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContext(_GLFWwindow* window);
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// Fullscreen support
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void _glfwSetVideoMode(int* width, int* height,
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int* bpp, int* refreshRate,
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GLboolean exactBPP);
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void _glfwRestoreVideoMode(void);
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#endif // _platform_h_
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