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