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/*
* Essential wgl and supporting routines and data structures extracted
* from WINGDI.H.
*
* Copyright (c) 1985-1997, Microsoft Corp. All rights reserved.
*
*/
#ifndef WGL_GDI_VERSION_1_X
/**
typedef struct tagRECT
{
LONG left;
LONG top;
LONG right;
LONG bottom;
} RECT; */
typedef struct tagRGBQUAD {
BYTE rgbBlue;
BYTE rgbGreen;
BYTE rgbRed;
BYTE rgbReserved;
} RGBQUAD;
typedef RGBQUAD FAR* LPRGBQUAD;
typedef struct tagBITMAPINFOHEADER{
DWORD biSize;
LONG biWidth;
LONG biHeight;
WORD biPlanes;
WORD biBitCount;
DWORD biCompression;
DWORD biSizeImage;
LONG biXPelsPerMeter;
LONG biYPelsPerMeter;
DWORD biClrUsed;
DWORD biClrImportant;
} BITMAPINFOHEADER, FAR *LPBITMAPINFOHEADER, *PBITMAPINFOHEADER;
typedef struct tagBITMAPINFO {
BITMAPINFOHEADER bmiHeader;
RGBQUAD bmiColors[1];
} BITMAPINFO, FAR *LPBITMAPINFO, *PBITMAPINFO;
/* constants for the biCompression field */
#define BI_RGB 0
#define BI_RLE8 1
#define BI_RLE4 2
#define BI_BITFIELDS 3
/* DIB color table identifiers */
#define DIB_RGB_COLORS 0 /* color table in RGBs */
#define DIB_PAL_COLORS 1 /* color table in palette indices */
/* Pixel format descriptor */
typedef struct tagPIXELFORMATDESCRIPTOR
{
WORD nSize;
WORD nVersion;
DWORD dwFlags;
BYTE iPixelType;
BYTE cColorBits;
BYTE cRedBits;
BYTE cRedShift;
BYTE cGreenBits;
BYTE cGreenShift;
BYTE cBlueBits;
BYTE cBlueShift;
BYTE cAlphaBits;
BYTE cAlphaShift;
BYTE cAccumBits;
BYTE cAccumRedBits;
BYTE cAccumGreenBits;
BYTE cAccumBlueBits;
BYTE cAccumAlphaBits;
BYTE cDepthBits;
BYTE cStencilBits;
BYTE cAuxBuffers;
BYTE iLayerType;
BYTE bReserved;
DWORD dwLayerMask;
DWORD dwVisibleMask;
DWORD dwDamageMask;
} PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, FAR *LPPIXELFORMATDESCRIPTOR;
/* pixel types */
#define PFD_TYPE_RGBA 0
#define PFD_TYPE_COLORINDEX 1
/* layer types */
#define PFD_MAIN_PLANE 0
#define PFD_OVERLAY_PLANE 1
#define PFD_UNDERLAY_PLANE (-1)
/* PIXELFORMATDESCRIPTOR flags */
#define PFD_DOUBLEBUFFER 0x00000001
#define PFD_STEREO 0x00000002
#define PFD_DRAW_TO_WINDOW 0x00000004
#define PFD_DRAW_TO_BITMAP 0x00000008
#define PFD_SUPPORT_GDI 0x00000010
#define PFD_SUPPORT_OPENGL 0x00000020
#define PFD_GENERIC_FORMAT 0x00000040
#define PFD_NEED_PALETTE 0x00000080
#define PFD_NEED_SYSTEM_PALETTE 0x00000100
#define PFD_SWAP_EXCHANGE 0x00000200
#define PFD_SWAP_COPY 0x00000400
#define PFD_SWAP_LAYER_BUFFERS 0x00000800
#define PFD_GENERIC_ACCELERATED 0x00001000
#define PFD_SUPPORT_DIRECTDRAW 0x00002000
/* PIXELFORMATDESCRIPTOR flags for use in ChoosePixelFormat only */
#define PFD_DEPTH_DONTCARE 0x20000000
#define PFD_DOUBLEBUFFER_DONTCARE 0x40000000
#define PFD_STEREO_DONTCARE 0x80000000
/* OpenGL error codes (from winerror.h) */
/* FIXME: these should have a trailing "L" but apparently PCPP doesn't handle that syntax */
#define ERROR_INVALID_PIXEL_FORMAT 2000
#define ERROR_NO_SYSTEM_RESOURCES 1450
#define ERROR_INVALID_DATA 13
#define ERROR_PROC_NOT_FOUND 127
#define ERROR_INVALID_WINDOW_HANDLE 1400
/*
* ShowWindow() Commands
*/
#define SW_HIDE 0
#define SW_SHOWNORMAL 1
#define SW_NORMAL 1
#define SW_SHOWMINIMIZED 2
#define SW_SHOWMAXIMIZED 3
#define SW_MAXIMIZE 3
#define SW_SHOWNOACTIVATE 4
#define SW_SHOW 5
#define SW_MINIMIZE 6
#define SW_SHOWMINNOACTIVE 7
#define SW_SHOWNA 8
#define SW_RESTORE 9
#define SW_SHOWDEFAULT 10
#define SW_FORCEMINIMIZE 11
#define SW_MAX 11
#endif /* WGL_GDI_VERSION_1_X */
#ifndef WGL_GDI_VERSION_1_X
#define WGL_GDI_VERSION_1_X
// Windows routines
WINBASEAPI DWORD WINAPI GetLastError(VOID);
// OpenGL-related routines
WINGDIAPI int WINAPI ChoosePixelFormat(HDC, CONST PIXELFORMATDESCRIPTOR *);
WINGDIAPI int WINAPI DescribePixelFormat(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
WINGDIAPI int WINAPI GetPixelFormat(HDC);
WINGDIAPI BOOL WINAPI SetPixelFormat(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
WINGDIAPI BOOL WINAPI SwapBuffers(HDC);
/* --- FIXME: need to handle these entry points!
WINGDIAPI HGLRC WINAPI wglCreateLayerContext(HDC, int);
WINGDIAPI BOOL WINAPI wglUseFontBitmapsA(HDC, DWORD, DWORD, DWORD);
WINGDIAPI BOOL WINAPI wglUseFontBitmapsW(HDC, DWORD, DWORD, DWORD);
#ifdef UNICODE
#define wglUseFontBitmaps wglUseFontBitmapsW
#else
#define wglUseFontBitmaps wglUseFontBitmapsA
#endif // !UNICODE
*/
// Routines related to bitmap creation for off-screen rendering
WINGDIAPI HDC WINAPI CreateCompatibleDC(HDC);
WINGDIAPI HBITMAP WINAPI CreateDIBSection(HDC, CONST BITMAPINFO *, UINT, VOID **, HANDLE, DWORD);
WINGDIAPI BOOL WINAPI DeleteDC(HDC);
WINGDIAPI BOOL WINAPI DeleteObject(HGDIOBJ);
WINGDIAPI HGDIOBJ WINAPI SelectObject(HDC, HGDIOBJ);
// Routines for creation of a dummy window, device context and OpenGL
// context for the purposes of getting wglChoosePixelFormatARB and
// associated routines
HWND CreateDummyWindow( int x, int y, int width, int height ) ;
WINUSERAPI BOOL WINAPI ShowWindow(HWND hWnd, int nCmdShow);
WINUSERAPI HDC WINAPI GetDC(HWND);
WINUSERAPI int WINAPI ReleaseDC(HWND hWnd, HDC hDC);
WINUSERAPI BOOL WINAPI DestroyWindow(HWND hWnd);
// Routines for changing gamma ramp of display device
WINGDIAPI BOOL WINAPI GetDeviceGammaRamp(HDC,LPVOID);
WINGDIAPI BOOL WINAPI SetDeviceGammaRamp(HDC,LPVOID);
#endif /* WGL_GDI_VERSION_1_X */
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