Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

318 lines
17 KiB

/******************************Module*Header*******************************\
* Module Name: mcdcx.h
*
* MCD support: structures, variables, constants, and functions.
*
* Created: 26-Feb-1996 12:30:41
* Author: Gilman Wong [gilmanw]
*
* Copyright (c) 1995 Microsoft Corporation
*
\**************************************************************************/
#ifndef _MCDCX_H_
#define _MCDCX_H_
//
// Handy forward declaration.
//
typedef struct __GLGENbuffersRec __GLGENbuffers;
typedef struct __GLGENcontextRec __GLGENcontext;
//
// Macros to maintain MCD dirty state:
//
// MCD_STATE_DIRTY set specified dirty flag
// MCD_STATE_CLEAR clear specified dirty flag
// MCD_STATE_RESET clear all dirty flags
// MCD_STATE_DIRTYTEST check state flag (TRUE if dirty)
//
#define MCD_STATE_DIRTY(gc, stateName)\
{\
if (((__GLGENcontext *) (gc))->pMcdState)\
((__GLGENcontext *) (gc))->pMcdState->mcdDirtyState |= MCD_DIRTY_##stateName;\
}
#define MCD_STATE_CLEAR(gc, stateName)\
{\
if (((__GLGENcontext *) (gc))->pMcdState)\
((__GLGENcontext *) (gc))->pMcdState->mcdDirtyState &= ~MCD_DIRTY_##stateName;\
}
#define MCD_STATE_RESET(gc)\
{\
if (((__GLGENcontext *) (gc))->pMcdState)\
((__GLGENcontext *) (gc))->pMcdState->mcdDirtyState = 0;\
}
#define MCD_STATE_DIRTYTEST(gc, stateName)\
(\
(((__GLGENcontext *) (gc))->pMcdState) &&\
(((__GLGENcontext *) (gc))->pMcdState->mcdDirtyState & MCD_DIRTY_##stateName)\
)
//
// MCD interface functions. These functions call the MCD client interface.
// The function implementations are found in generic\mcdcx.c.
//
BOOL FASTCALL bInitMcd(HDC hdc);
BOOL FASTCALL bInitMcdContext(__GLGENcontext *, GLGENwindow *);
BOOL FASTCALL bInitMcdSurface(__GLGENcontext *, GLGENwindow *, __GLGENbuffers *);
void FASTCALL GenMcdDeleteContext(GENMCDSTATE *);
void FASTCALL GenMcdDeleteSurface(GENMCDSURFACE *);
BOOL FASTCALL GenMcdMakeCurrent(__GLGENcontext *gengc, GLGENwindow *pwnd);
void FASTCALL GenMcdInitDepth(__GLcontext *, __GLdepthBuffer *);
void FASTCALL GenMcdClear(__GLGENcontext *, ULONG *);
void FASTCALL GenMcdClearDepth16(__GLdepthBuffer *);
void FASTCALL GenMcdClearDepth32(__GLdepthBuffer *);
void FASTCALL GenMcdUpdateRenderState(__GLGENcontext *);
void FASTCALL GenMcdViewport(__GLGENcontext *);
void FASTCALL GenMcdScissor(__GLGENcontext *);
void FASTCALL GenMcdUpdateScissorState(__GLGENcontext *);
void FASTCALL GenMcdUpdateTexEnvState(__GLGENcontext *);
POLYARRAY * FASTCALL GenMcdDrawPrim(__GLGENcontext *, POLYARRAY *);
void FASTCALL GenMcdSwapBatch(__GLGENcontext *);
BOOL FASTCALL GenMcdSwapBuffers(HDC, GLGENwindow *pwnd);
BOOL FASTCALL GenMcdResizeBuffers(__GLGENcontext *);
BOOL FASTCALL GenMcdUpdateBufferInfo(__GLGENcontext *);
void GenMcdCopyPixels(__GLGENcontext *, __GLcolorBuffer *, GLint, GLint, GLint, BOOL);
void FASTCALL GenMcdSynchronize(__GLGENcontext *);
BOOL FASTCALL GenMcdConvertContext(__GLGENcontext *, __GLGENbuffers *);
PVOID FASTCALL GenMcdReadZRawSpan(__GLdepthBuffer *fb, GLint x, GLint y, GLint cx);
void FASTCALL GenMcdWriteZRawSpan(__GLdepthBuffer *fb, GLint x, GLint y, GLint cx);
MCDHANDLE FASTCALL GenMcdCreateTexture(__GLGENcontext *gengc, __GLtexture *tex,
ULONG flags);
BOOL FASTCALL GenMcdDeleteTexture(__GLGENcontext *gengc, MCDHANDLE texHandle);
BOOL FASTCALL GenMcdUpdateSubTexture(__GLGENcontext *ggenc, __GLtexture *tex,
MCDHANDLE texHandle, GLint lod,
GLint xoffset, GLint yoffset,
GLsizei w, GLsizei h);
BOOL FASTCALL GenMcdUpdateTexturePalette(__GLGENcontext *gengc, __GLtexture *tex,
MCDHANDLE texHandle, GLsizei start,
GLsizei count);
BOOL FASTCALL GenMcdUpdateTexturePriority(__GLGENcontext *gengc, __GLtexture *tex,
MCDHANDLE texHandle);
BOOL FASTCALL GenMcdUpdateTextureState(__GLGENcontext *gengc, __GLtexture *tex,
MCDHANDLE texHandle);
void FASTCALL GenMcdUpdateFineState(__GLGENcontext *gengc);
DWORD FASTCALL GenMcdTextureStatus(__GLGENcontext *gengc, MCDHANDLE texHandle);
DWORD FASTCALL GenMcdTextureKey(__GLGENcontext *gengc, MCDHANDLE texHandle);
VOID FASTCALL GenMcdSetScaling(__GLGENcontext *gengc);
typedef enum { VP_FIXBIAS, VP_NOBIAS } VP_BIAS_TYPE;
BOOL FASTCALL GenMcdResetViewportAdj(__GLcontext *, VP_BIAS_TYPE);
BOOL FASTCALL GenMcdDescribeLayerPlane(HDC hdc, int iPixelFormat,
int iLayerPlane, UINT nBytes,
LPLAYERPLANEDESCRIPTOR plpd);
int FASTCALL GenMcdSetLayerPaletteEntries(HDC hdc, int iLayerPlane,
int iStart, int cEntries,
CONST COLORREF *pcr);
int FASTCALL GenMcdGetLayerPaletteEntries(HDC hdc, int iLayerPlane,
int iStart, int cEntries,
COLORREF *pcr);
int FASTCALL GenMcdRealizeLayerPalette(HDC hdc, int iLayerPlane,
BOOL bRealize);
BOOL FASTCALL GenMcdSwapLayerBuffers(HDC hdc, UINT fuFlags);
void FASTCALL GenMcdUpdatePixelState(__GLGENcontext *gengc);
ULONG FASTCALL GenMcdDrawPix(__GLGENcontext *gengc, ULONG width,
ULONG height, ULONG format, ULONG type,
VOID *pPixels, BOOL packed);
ULONG FASTCALL GenMcdReadPix(__GLGENcontext *gengc, LONG x, LONG y, ULONG width,
ULONG height, ULONG format, ULONG type,
VOID *pPixels);
ULONG FASTCALL GenMcdCopyPix(__GLGENcontext *gengc, LONG x, LONG y, ULONG width,
ULONG height, ULONG type);
ULONG FASTCALL GenMcdPixelMap(__GLGENcontext *gengc, ULONG mapType,
ULONG mapSize, VOID *pMap);
void FASTCALL GenMcdDestroyWindow(GLGENwindow *pwnd);
int FASTCALL GenMcdGetTextureFormats(__GLGENcontext *gengc, int nFmts,
struct _DDSURFACEDESC *pddsd);
DWORD FASTCALL GenMcdSwapMultiple(UINT cBuffers, GENMCDSWAP *pgms);
// Note:
// GenMcdGenericCompatibleFormat is implemented in pixelfmt.c
BOOL FASTCALL GenMcdGenericCompatibleFormat(__GLGENcontext *gengc);
//
// Depth test drawing functions that utilize an intermediate scanline
// depth buffer to access the MCD depth buffer.
//
GLboolean FASTCALL GenMcdDepthTestLine(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStippledLine(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStencilLine(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStencilStippledLine(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestSpan(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStippledSpan(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStencilSpan(__GLcontext *);
GLboolean FASTCALL GenMcdDepthTestStencilStippledSpan(__GLcontext *);
GLboolean FASTCALL GenMcdStippleAnyDepthTestSpan(__GLcontext *);
// 2.0 Front-end processing call
POLYARRAY * FASTCALL GenMcdProcessPrim(__GLGENcontext *gengc, POLYARRAY *pa,
ULONG cmdFlagsAll, ULONG primFlags,
MCDTRANSFORM *pMCDTransform,
MCDMATERIALCHANGES *pMCDMatChanges);
//
// "Safe" version of __fastGenFillTriangle that does not allow floating
// point divides to straddle an MCD function call.
//
extern void FASTCALL __fastGenMcdFillTriangle(__GLcontext *, __GLvertex *,
__GLvertex *, __GLvertex *, GLboolean);
//
// MCD32.DLL entry points.
//
// Rather than link directly to MCD32.DLL (thereby requiring its existence
// to run OPENGL32.DLL), we load it and hook its entry points as needed.
// This table stores the function pointers we hook.
//
typedef BOOL (APIENTRY *MCDGETDRIVERINFOFUNC)(HDC hdc, struct _MCDDRIVERINFOI *pMCDDriverInfo);
typedef LONG (APIENTRY *MCDDESCRIBEMCDPIXELFORMATFUNC)(HDC hdc, LONG iPixelFormat,
MCDPIXELFORMAT *pMcdPixelFmt);
typedef LONG (APIENTRY *MCDDESCRIBEPIXELFORMATFUNC)(HDC hdc, LONG iPixelFormat,
LPPIXELFORMATDESCRIPTOR ppfd);
typedef BOOL (APIENTRY *MCDCREATECONTEXTFUNC)(MCDCONTEXT *pMCDContext,
MCDRCINFOPRIV *pMcdRcInfo,
struct _GLSURF *pgsurf,
int ipfd,
ULONG flags);
typedef BOOL (APIENTRY *MCDDELETECONTEXTFUNC)(MCDCONTEXT *pMCDContext);
typedef UCHAR * (APIENTRY *MCDALLOCFUNC)(MCDCONTEXT *pMCDContext, ULONG numBytes, MCDHANDLE *pMCDHandle,
ULONG flags);
typedef BOOL (APIENTRY *MCDFREEFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem);
typedef VOID (APIENTRY *MCDBEGINSTATEFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem);
typedef BOOL (APIENTRY *MCDFLUSHSTATEFUNC)(VOID *pMCDMem);
typedef BOOL (APIENTRY *MCDADDSTATEFUNC)(VOID *pMCDMem, ULONG stateToChange,
ULONG stateValue);
typedef BOOL (APIENTRY *MCDADDSTATESTRUCTFUNC)(VOID *pMCDMem, ULONG stateToChange,
VOID *pStateValue, ULONG stateValueSize);
typedef BOOL (APIENTRY *MCDSETVIEWPORTFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
MCDVIEWPORT *pMCDViewport);
typedef BOOL (APIENTRY *MCDSETSCISSORRECTFUNC)(MCDCONTEXT *pMCDContext, RECTL *pRect,
BOOL bEnabled);
typedef ULONG (APIENTRY *MCDQUERYMEMSTATUSFUNC)(VOID *pMCDMem);
typedef PVOID (APIENTRY *MCDPROCESSBATCHFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
ULONG batchSize, VOID *pMCDFirstCmd,
int cExtraSurfaces,
struct IDirectDrawSurface **pdds);
typedef BOOL (APIENTRY *MCDREADSPANFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
ULONG x, ULONG y, ULONG numPixels, ULONG type);
typedef BOOL (APIENTRY *MCDWRITESPANFUNC)(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
ULONG x, ULONG y, ULONG numPixels, ULONG type);
typedef BOOL (APIENTRY *MCDCLEARFUNC)(MCDCONTEXT *pMCDContext, RECTL rect, ULONG buffers);
typedef BOOL (APIENTRY *MCDSWAPFUNC)(MCDCONTEXT *pMCDContext, ULONG flags);
typedef BOOL (APIENTRY *MCDGETBUFFERSFUNC)(MCDCONTEXT *pMCDContext, MCDRECTBUFFERS *pMCDBuffers);
typedef BOOL (APIENTRY *MCDALLOCBUFFERSFUNC)(MCDCONTEXT *pMCDContext, RECTL *pWndRect);
typedef ULONG (APIENTRY *MCDLOCKFUNC)(MCDCONTEXT *pMCDContext);
typedef VOID (APIENTRY *MCDUNLOCKFUNC)(MCDCONTEXT *pMCDContext);
typedef BOOL (APIENTRY *MCDBINDCONTEXT)(MCDCONTEXT *pMCDContext, HDC hdc,
struct GLGENwindowRec *pwnd);
typedef BOOL (APIENTRY *MCDSYNCFUNC)(MCDCONTEXT *pMCDContext);
typedef MCDHANDLE (APIENTRY *MCDCREATETEXTUREFUNC)(MCDCONTEXT *pMCDContext,
MCDTEXTUREDATA *pTexData,
ULONG flags, VOID *pSurface);
typedef BOOL (APIENTRY *MCDDELETETEXTUREFUNC)(MCDCONTEXT *pMCDContext, MCDHANDLE hTex);
typedef BOOL (APIENTRY *MCDUPDATESUBTEXTUREFUNC)(MCDCONTEXT *pMCDContext,
MCDTEXTUREDATA *pTexData, MCDHANDLE hTex,
ULONG lod, RECTL *pRect);
typedef BOOL (APIENTRY *MCDUPDATETEXTUREPALETTEFUNC)(MCDCONTEXT *pMCDContext,
MCDTEXTUREDATA *pTexData, MCDHANDLE hTex,
ULONG start, ULONG numEntries);
typedef BOOL (APIENTRY *MCDUPDATETEXTUREPRIORITYFUNC)(MCDCONTEXT *pMCDContext,
MCDTEXTUREDATA *pTexData,
MCDHANDLE hTex);
typedef ULONG (APIENTRY *MCDTEXTURESTATUSFUNC)(MCDCONTEXT *pMCDContext, MCDHANDLE hTex);
typedef ULONG (APIENTRY *MCDTEXTUREKEYFUNC)(MCDCONTEXT *pMCDContext, MCDHANDLE hTex);
typedef BOOL (APIENTRY *MCDDESCRIBEMCDLAYERPLANEFUNC)(HDC hdc,
LONG iPixelFormat, LONG iLayerPlane,
MCDLAYERPLANE *pMcdLayer);
typedef BOOL (APIENTRY *MCDDESCRIBELAYERPLANEFUNC)(HDC hdc,
LONG iPixelFormat, LONG iLayerPlane,
LPLAYERPLANEDESCRIPTOR plpd);
typedef LONG (APIENTRY *MCDSETLAYERPALETTEFUNC)(HDC hdc, LONG iLayerPlane,
BOOL bRealize, LONG cEntries, COLORREF *pcr);
typedef ULONG (APIENTRY *MCDDRAWPIXELS)(MCDCONTEXT *pMCDContext, ULONG width,
ULONG height, ULONG format, ULONG type,
VOID *pPixels, BOOL packed);
typedef ULONG (APIENTRY *MCDREADPIXELS)(MCDCONTEXT *pMCDContext, LONG x, LONG y, ULONG width,
ULONG height, ULONG format, ULONG type,
VOID *pPixels);
typedef ULONG (APIENTRY *MCDCOPYPIXELS)(MCDCONTEXT *pMCDContext, LONG x, LONG y, ULONG width,
ULONG height, ULONG type);
typedef ULONG (APIENTRY *MCDPIXELMAP)(MCDCONTEXT *pMCDContext, ULONG mapType,
ULONG mapSize, VOID *pMap);
typedef void (APIENTRY *MCDDESTROYWINDOW)(HDC hdc, ULONG_PTR dwMcdWindow);
typedef int (APIENTRY *MCDGETTEXTUREFORMATS)(MCDCONTEXT *pMCDContext,
int nFmts,
struct _DDSURFACEDESC *pddsd);
typedef DWORD (APIENTRY *MCDSWAPMULTIPLE)(HDC hdc,
UINT cBuffers,
GENMCDSWAP *pgms);
typedef PVOID (APIENTRY *MCDPROCESSBATCH2FUNC)(MCDCONTEXT *pMCDContext,
VOID *pMCDCmdMem,
VOID *pMCDPrimMem,
MCDCOMMAND *pMCDFirstCmd,
int cExtraSurfaces,
struct
IDirectDrawSurface **pdds,
ULONG cmdFlagsAll,
ULONG primFlags,
MCDTRANSFORM *pMCDTransform,
MCDMATERIALCHANGES
*pMCDMatChanges);
typedef struct _MCDTABLE_ {
MCDGETDRIVERINFOFUNC pMCDGetDriverInfo;
MCDDESCRIBEMCDPIXELFORMATFUNC pMCDDescribeMcdPixelFormat;
MCDDESCRIBEPIXELFORMATFUNC pMCDDescribePixelFormat;
MCDCREATECONTEXTFUNC pMCDCreateContext;
MCDDELETECONTEXTFUNC pMCDDeleteContext;
MCDALLOCFUNC pMCDAlloc;
MCDFREEFUNC pMCDFree;
MCDBEGINSTATEFUNC pMCDBeginState;
MCDFLUSHSTATEFUNC pMCDFlushState;
MCDADDSTATEFUNC pMCDAddState;
MCDADDSTATESTRUCTFUNC pMCDAddStateStruct;
MCDSETVIEWPORTFUNC pMCDSetViewport;
MCDSETSCISSORRECTFUNC pMCDSetScissorRect;
MCDQUERYMEMSTATUSFUNC pMCDQueryMemStatus;
MCDPROCESSBATCHFUNC pMCDProcessBatch;
MCDREADSPANFUNC pMCDReadSpan;
MCDWRITESPANFUNC pMCDWriteSpan;
MCDCLEARFUNC pMCDClear;
MCDSWAPFUNC pMCDSwap;
MCDGETBUFFERSFUNC pMCDGetBuffers;
MCDALLOCBUFFERSFUNC pMCDAllocBuffers;
MCDLOCKFUNC pMCDLock;
MCDUNLOCKFUNC pMCDUnlock;
MCDBINDCONTEXT pMCDBindContext;
MCDSYNCFUNC pMCDSync;
MCDCREATETEXTUREFUNC pMCDCreateTexture;
MCDDELETETEXTUREFUNC pMCDDeleteTexture;
MCDUPDATESUBTEXTUREFUNC pMCDUpdateSubTexture;
MCDUPDATETEXTUREPALETTEFUNC pMCDUpdateTexturePalette;
MCDUPDATETEXTUREPRIORITYFUNC pMCDUpdateTexturePriority;
MCDUPDATETEXTUREPRIORITYFUNC pMCDUpdateTextureState;
MCDTEXTURESTATUSFUNC pMCDTextureStatus;
MCDTEXTUREKEYFUNC pMCDTextureKey;
MCDDESCRIBEMCDLAYERPLANEFUNC pMCDDescribeMcdLayerPlane;
MCDDESCRIBELAYERPLANEFUNC pMCDDescribeLayerPlane;
MCDSETLAYERPALETTEFUNC pMCDSetLayerPalette;
MCDDRAWPIXELS pMCDDrawPixels;
MCDREADPIXELS pMCDReadPixels;
MCDCOPYPIXELS pMCDCopyPixels;
MCDPIXELMAP pMCDPixelMap;
MCDDESTROYWINDOW pMCDDestroyWindow;
MCDGETTEXTUREFORMATS pMCDGetTextureFormats;
MCDSWAPMULTIPLE pMCDSwapMultiple;
MCDPROCESSBATCH2FUNC pMCDProcessBatch2;
} MCDTABLE;
extern MCDTABLE *gpMcdTable;
extern MCDDRIVERINFOI McdDriverInfo;
#endif