d3d.c File Reference

#include <string.h>
#include <dxg_int.h>

Include dependency graph for d3d.c:

Go to the source code of this file.

Functions
DWORD NTAPI	DxDdCanCreateD3DBuffer (HANDLE DdHandle, PDD_CANCREATESURFACEDATA SurfaceData)
DWORD FASTCALL	intDdCreateSurfaceOrBuffer (HANDLE hDirectDrawLocal, PEDD_SURFACE pDdSurfList, DDSURFACEDESC2 *a3, DD_SURFACE_GLOBAL *pDdSurfGlob, DD_SURFACE_LOCAL *pDdSurfLoc, DD_SURFACE_MORE *pDdSurfMore, DD_CREATESURFACEDATA *pDdCreateSurfaceData, PVOID Address)
DWORD NTAPI	DxDdCreateD3DBuffer (HANDLE hDirectDrawLocal, PEDD_SURFACE pDdSurfList, DDSURFACEDESC2 *a3, DD_SURFACE_GLOBAL *pDdSurfGlob, DD_SURFACE_LOCAL *pDdSurfLoc, DD_SURFACE_MORE *pDdSurfMore, DD_CREATESURFACEDATA *pDdCreateSurfaceData, PVOID Address)

Function Documentation

DxDdCanCreateD3DBuffer()

DWORD NTAPI DxDdCanCreateD3DBuffer	(	HANDLE	DdHandle,
		PDD_CANCREATESURFACEDATA	SurfaceData
	)

Definition at line 14 of file d3d.c.

{
    PEDD_DIRECTDRAW_LOCAL peDdL;
    PEDD_DIRECTDRAW_GLOBAL peDdGl;
    DWORD RetVal = DDHAL_DRIVER_NOTHANDLED;
 
    peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
    if (!peDdL)
        return RetVal;
 
    peDdGl = peDdL->peDirectDrawGlobal2;
    gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
 
    // assign out DirectDrawGlobal to SurfaceData
    SurfaceData->lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
 
    if (peDdGl->d3dBufCallbacks.CanCreateD3DBuffer)
        RetVal = peDdGl->d3dBufCallbacks.CanCreateD3DBuffer(SurfaceData);
 
    gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
    InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
 
    return RetVal;
}

DxDdCreateD3DBuffer()

DWORD NTAPI DxDdCreateD3DBuffer	(	HANDLE	hDirectDrawLocal,
		PEDD_SURFACE	pDdSurfList,
		DDSURFACEDESC2 *	a3,
		DD_SURFACE_GLOBAL *	pDdSurfGlob,
		DD_SURFACE_LOCAL *	pDdSurfLoc,
		DD_SURFACE_MORE *	pDdSurfMore,
		DD_CREATESURFACEDATA *	pDdCreateSurfaceData,
		PVOID	Address
	)

Definition at line 114 of file d3d.c.

{
    return intDdCreateSurfaceOrBuffer(hDirectDrawLocal, pDdSurfList, a3, pDdSurfGlob, pDdSurfLoc, pDdSurfMore, pDdCreateSurfaceData, Address);
}

intDdCreateSurfaceOrBuffer()

DWORD FASTCALL intDdCreateSurfaceOrBuffer	(	HANDLE	hDirectDrawLocal,
		PEDD_SURFACE	pDdSurfList,
		DDSURFACEDESC2 *	a3,
		DD_SURFACE_GLOBAL *	pDdSurfGlob,
		DD_SURFACE_LOCAL *	pDdSurfLoc,
		DD_SURFACE_MORE *	pDdSurfMore,
		DD_CREATESURFACEDATA *	pDdCreateSurfaceData,
		PVOID	Address
	)

Definition at line 43 of file d3d.c.

{
  PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
  PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
  DD_SURFACE_LOCAL *pCurSurfLocal;
  DD_SURFACE_GLOBAL *pCurSurfGlobal;
  DD_SURFACE_MORE *pCurSurfMore;
  PEDD_SURFACE pCurSurf;
 
  ULONG CurSurf;
 
  if (!pDdCreateSurfaceData)
      return FALSE;
 
  if (!pDdCreateSurfaceData->dwSCnt)
  {
      pDdCreateSurfaceData->ddRVal = E_FAIL;
      return FALSE;
  }
 
  peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(hDirectDrawLocal, ObjType_DDLOCAL_TYPE, FALSE);
  if (!peDdL)
      return FALSE;
 
  peDdGl = peDdL->peDirectDrawGlobal2;
 
  if (!(pDdSurfLoc->ddsCaps.dwCaps & DDSCAPS_VISIBLE) && !(peDdGl->ddCallbacks.dwFlags & DDHAL_CB32_CREATESURFACE))
  {
      pDdCreateSurfaceData->ddRVal = E_FAIL;
      return FALSE;
  }
 
  pDdSurfList = (PEDD_SURFACE)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(EDD_SURFACE), TAG_GDDP);
  pDdSurfGlob = (DD_SURFACE_GLOBAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_GLOBAL), TAG_GDDP);
  pDdSurfLoc = (DD_SURFACE_LOCAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_LOCAL), TAG_GDDP);
  pDdSurfMore = (DD_SURFACE_MORE *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_MORE), TAG_GDDP);
 
  gpEngFuncs.DxEngLockShareSem();
  gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
 
  // create all surface objects
  for (CurSurf = 0; CurSurf < pDdCreateSurfaceData->dwSCnt; CurSurf++)
  {
      pCurSurf       = &pDdSurfList[CurSurf];
      pCurSurfLocal  = &pDdSurfLoc[CurSurf];
      pCurSurfGlobal = &pDdSurfGlob[CurSurf];
      pCurSurfMore   = &pDdSurfMore[CurSurf];
 
      pCurSurf = intDdCreateNewSurfaceObject(
                          peDdL,
                          pCurSurf,
                          pCurSurfGlobal,
                          pCurSurfLocal,
                          pCurSurfMore);
      Address = pCurSurf;
  }
 
  gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
  gpEngFuncs.DxEngUnlockShareSem();
 
  return DDHAL_DRIVER_HANDLED;
}

Referenced by DxDdCreateD3DBuffer().