mirror of
https://github.com/reactos/reactos.git
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126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: Native driver for dxg implementation
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* FILE: win32ss/reactx/dxg/d3d.c
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* PROGRAMER: Sebastian Gasiorek (sebastian.gasiorek@reactos.org)
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*/
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#include <string.h>
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#include <dxg_int.h>
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DWORD
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NTAPI
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DxDdCanCreateD3DBuffer(
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HANDLE DdHandle,
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PDD_CANCREATESURFACEDATA SurfaceData)
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{
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PEDD_DIRECTDRAW_LOCAL peDdL;
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PEDD_DIRECTDRAW_GLOBAL peDdGl;
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DWORD RetVal = DDHAL_DRIVER_NOTHANDLED;
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peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
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if (!peDdL)
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return RetVal;
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peDdGl = peDdL->peDirectDrawGlobal2;
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gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
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// assign out DirectDrawGlobal to SurfaceData
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SurfaceData->lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
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if (peDdGl->d3dBufCallbacks.CanCreateD3DBuffer)
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RetVal = peDdGl->d3dBufCallbacks.CanCreateD3DBuffer(SurfaceData);
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gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
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InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
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return RetVal;
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}
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DWORD
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FASTCALL
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intDdCreateSurfaceOrBuffer(HANDLE hDirectDrawLocal,
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PEDD_SURFACE pDdSurfList, DDSURFACEDESC2 *a3,
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DD_SURFACE_GLOBAL *pDdSurfGlob,
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DD_SURFACE_LOCAL *pDdSurfLoc,
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DD_SURFACE_MORE *pDdSurfMore,
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DD_CREATESURFACEDATA *pDdCreateSurfaceData,
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PVOID Address)
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{
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PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
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PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
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DD_SURFACE_LOCAL *pCurSurfLocal;
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DD_SURFACE_GLOBAL *pCurSurfGlobal;
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DD_SURFACE_MORE *pCurSurfMore;
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PEDD_SURFACE pCurSurf;
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ULONG CurSurf;
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if (!pDdCreateSurfaceData)
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return FALSE;
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if (!pDdCreateSurfaceData->dwSCnt)
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{
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pDdCreateSurfaceData->ddRVal = E_FAIL;
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return FALSE;
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}
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peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(hDirectDrawLocal, ObjType_DDLOCAL_TYPE, FALSE);
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if (!peDdL)
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return FALSE;
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peDdGl = peDdL->peDirectDrawGlobal2;
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if (!(pDdSurfLoc->ddsCaps.dwCaps & DDSCAPS_VISIBLE) && !(peDdGl->ddCallbacks.dwFlags & DDHAL_CB32_CREATESURFACE))
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{
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pDdCreateSurfaceData->ddRVal = E_FAIL;
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return FALSE;
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}
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pDdSurfList = (PEDD_SURFACE)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(EDD_SURFACE), TAG_GDDP);
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pDdSurfGlob = (DD_SURFACE_GLOBAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_GLOBAL), TAG_GDDP);
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pDdSurfLoc = (DD_SURFACE_LOCAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_LOCAL), TAG_GDDP);
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pDdSurfMore = (DD_SURFACE_MORE *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_MORE), TAG_GDDP);
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gpEngFuncs.DxEngLockShareSem();
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gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
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// create all surface objects
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for (CurSurf = 0; CurSurf < pDdCreateSurfaceData->dwSCnt; CurSurf++)
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{
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pCurSurf = &pDdSurfList[CurSurf];
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pCurSurfLocal = &pDdSurfLoc[CurSurf];
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pCurSurfGlobal = &pDdSurfGlob[CurSurf];
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pCurSurfMore = &pDdSurfMore[CurSurf];
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pCurSurf = intDdCreateNewSurfaceObject(
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peDdL,
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pCurSurf,
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pCurSurfGlobal,
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pCurSurfLocal,
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pCurSurfMore);
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Address = pCurSurf;
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}
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gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
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gpEngFuncs.DxEngUnlockShareSem();
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return DDHAL_DRIVER_HANDLED;
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}
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DWORD
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NTAPI
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DxDdCreateD3DBuffer(
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HANDLE hDirectDrawLocal,
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PEDD_SURFACE pDdSurfList,
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DDSURFACEDESC2 *a3,
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DD_SURFACE_GLOBAL *pDdSurfGlob,
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DD_SURFACE_LOCAL *pDdSurfLoc,
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DD_SURFACE_MORE *pDdSurfMore,
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DD_CREATESURFACEDATA *pDdCreateSurfaceData,
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PVOID Address)
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{
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return intDdCreateSurfaceOrBuffer(hDirectDrawLocal, pDdSurfList, a3, pDdSurfGlob, pDdSurfLoc, pDdSurfMore, pDdCreateSurfaceData, Address);
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}
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