90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: devlock.h
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*
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* Created: 12-Apr-1994 19:45:42
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* Author: Gilman Wong [gilmanw]
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*
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* Copyright (c) 1994 Microsoft Corporation
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\**************************************************************************/
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// Engine helper functions to grab/release display semaphore and to
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// teardown/restore the cursor.
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extern BOOL APIENTRY glsrvGrabLock(__GLGENcontext *gengc);
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extern VOID APIENTRY glsrvReleaseLock(__GLGENcontext *gengc);
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extern BOOL APIENTRY glsrvGrabSurfaces(__GLGENcontext *gengc,
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GLGENwindow *pwnd,
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FSHORT surfBits);
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extern VOID APIENTRY glsrvReleaseSurfaces(__GLGENcontext *gengc,
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GLGENwindow *pwnd,
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FSHORT surfBits);
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extern void APIENTRY glsrvSynchronizeWithGdi(__GLGENcontext *gengc,
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GLGENwindow *pwnd,
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FSHORT surfBits);
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extern void APIENTRY glsrvDecoupleFromGdi(__GLGENcontext *gengc,
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GLGENwindow *pwnd,
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FSHORT surfBits);
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/******************************Public*Routine******************************\
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*
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* glsrvLazyGrabSurfaces
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*
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* Indicates a need for all surfaces whose bits are set in the flags
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* word. If the locking code determined that a lock was needed for
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* that surface and the lock isn't currently held, the lock is taken.
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*
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* History:
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* Fri May 30 18:17:27 1997 -by- Gilman Wong [gilmanw]
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* Created
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*
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\**************************************************************************/
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__inline BOOL glsrvLazyGrabSurfaces(__GLGENcontext *gengc,
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FSHORT surfBits)
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{
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BOOL bRet = TRUE;
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if (((gengc->fsGenLocks ^ gengc->fsLocks) & surfBits) != 0)
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{
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bRet = glsrvGrabSurfaces(gengc, gengc->pwndLocked, surfBits);
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}
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return bRet;
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}
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//
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// Provide wrappers for DirectDraw surface locking and unlocking so
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// that lock tracking can be done on debug builds.
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//
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// #define VERBOSE_DDSLOCK
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#if !defined(DBG) || !defined(VERBOSE_DDSLOCK)
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#define DDSLOCK(pdds, pddsd, flags, prect) \
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((pdds)->lpVtbl->Lock((pdds), (prect), (pddsd), (flags), NULL))
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#define DDSUNLOCK(pdds, ptr) \
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((pdds)->lpVtbl->Unlock((pdds), (ptr)))
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#else
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HRESULT dbgDdsLock(LPDIRECTDRAWSURFACE pdds, DDSURFACEDESC *pddsd,
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DWORD flags, char *file, int line);
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HRESULT dbgDdsUnlock(LPDIRECTDRAWSURFACE pdds, void *ptr,
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char *file, int line);
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#define DDSLOCK(pdds, pddsd, flags, prect) \
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dbgDdsLock(pdds, pddsd, flags, __FILE__, __LINE__)
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#define DDSUNLOCK(pdds, ptr) \
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dbgDdsUnlock(pdds, ptr, __FILE__, __LINE__)
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#endif
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extern DWORD gcmsOpenGLTimer;
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//#define BATCH_LOCK_TICKMAX 99
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//#define TICK_RANGE_LO 60
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//#define TICK_RANGE_HI 100
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extern DWORD BATCH_LOCK_TICKMAX;
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extern DWORD TICK_RANGE_LO;
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extern DWORD TICK_RANGE_HI;
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#define GENERIC_BACKBUFFER_ONLY(gc) \
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( ((gc)->state.raster.drawBuffer == GL_BACK ) &&\
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((gc)->state.pixel.readBuffer == GL_BACK ) )
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