win32ss/reactx/dxg/d3d.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS kernel
   4  * PURPOSE:          Native driver for dxg implementation
   5  * FILE:             win32ss/reactx/dxg/d3d.c
   6  * PROGRAMER:        Sebastian Gasiorek (sebastian.gasiorek@reactos.org)
   7  */
   8
   9 #include <string.h>
  10 #include <dxg_int.h>
  11
  12 DWORD
  13 NTAPI
  14 DxDdCanCreateD3DBuffer(
  15     HANDLE DdHandle,
  16     PDD_CANCREATESURFACEDATA SurfaceData)
  17 {
  18     PEDD_DIRECTDRAW_LOCAL peDdL;
  19     PEDD_DIRECTDRAW_GLOBAL peDdGl;
  20     DWORD RetVal = DDHAL_DRIVER_NOTHANDLED;
  21
  22     peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
  23     if (!peDdL)
  24         return RetVal;
  25
  26     peDdGl = peDdL->peDirectDrawGlobal2;
  27     gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
  28
  29     // assign out DirectDrawGlobal to SurfaceData
  30     SurfaceData->lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
  31
  32     if (peDdGl->d3dBufCallbacks.CanCreateD3DBuffer)
  33         RetVal = peDdGl->d3dBufCallbacks.CanCreateD3DBuffer(SurfaceData);
  34
  35     gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
  36     InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
  37
  38     return RetVal;
  39 }
  40
  41 DWORD
  42 FASTCALL
  43 intDdCreateSurfaceOrBuffer(HANDLE hDirectDrawLocal,
  44                            PEDD_SURFACE pDdSurfList, DDSURFACEDESC2 *a3,
  45                            DD_SURFACE_GLOBAL *pDdSurfGlob,
  46                            DD_SURFACE_LOCAL *pDdSurfLoc,
  47                            DD_SURFACE_MORE *pDdSurfMore,
  48                            DD_CREATESURFACEDATA *pDdCreateSurfaceData,
  49                            PVOID Address)
  50 {
  51   PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
  52   PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
  53   DD_SURFACE_LOCAL *pCurSurfLocal;
  54   DD_SURFACE_GLOBAL *pCurSurfGlobal;
  55   DD_SURFACE_MORE *pCurSurfMore;
  56   PEDD_SURFACE pCurSurf;
  57
  58   ULONG CurSurf;
  59
  60   if (!pDdCreateSurfaceData)
  61       return FALSE;
  62
  63   if (!pDdCreateSurfaceData->dwSCnt)
  64   {
  65       pDdCreateSurfaceData->ddRVal = E_FAIL;
  66       return FALSE;
  67   }
  68
  69   peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(hDirectDrawLocal, ObjType_DDLOCAL_TYPE, FALSE);
  70   if (!peDdL)
  71       return FALSE;
  72
  73   peDdGl = peDdL->peDirectDrawGlobal2;
  74
  75   if (!(pDdSurfLoc->ddsCaps.dwCaps & DDSCAPS_VISIBLE) && !(peDdGl->ddCallbacks.dwFlags & DDHAL_CB32_CREATESURFACE))
  76   {
  77       pDdCreateSurfaceData->ddRVal = E_FAIL;
  78       return FALSE;
  79   }
  80
  81   pDdSurfList = (PEDD_SURFACE)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(EDD_SURFACE), TAG_GDDP);
  82   pDdSurfGlob = (DD_SURFACE_GLOBAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_GLOBAL), TAG_GDDP);
  83   pDdSurfLoc = (DD_SURFACE_LOCAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_LOCAL), TAG_GDDP);
  84   pDdSurfMore = (DD_SURFACE_MORE *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_MORE), TAG_GDDP);
  85
  86   gpEngFuncs.DxEngLockShareSem();
  87   gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
  88
  89   // create all surface objects
  90   for (CurSurf = 0; CurSurf < pDdCreateSurfaceData->dwSCnt; CurSurf++)
  91   {
  92       pCurSurf       = &pDdSurfList[CurSurf];
  93       pCurSurfLocal  = &pDdSurfLoc[CurSurf];
  94       pCurSurfGlobal = &pDdSurfGlob[CurSurf];
  95       pCurSurfMore   = &pDdSurfMore[CurSurf];
  96
  97       pCurSurf = intDdCreateNewSurfaceObject(
  98                           peDdL,
  99                           pCurSurf,
 100                           pCurSurfGlobal,
 101                           pCurSurfLocal,
 102                           pCurSurfMore);
 103       Address = pCurSurf;
 104   }
 105
 106   gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
 107   gpEngFuncs.DxEngUnlockShareSem();
 108
 109   return DDHAL_DRIVER_HANDLED;
 110 }
 111
 112 DWORD
 113 NTAPI
 114 DxDdCreateD3DBuffer(
 115     HANDLE hDirectDrawLocal,
 116     PEDD_SURFACE pDdSurfList,
 117     DDSURFACEDESC2 *a3,
 118     DD_SURFACE_GLOBAL *pDdSurfGlob,
 119     DD_SURFACE_LOCAL *pDdSurfLoc,
 120     DD_SURFACE_MORE *pDdSurfMore,
 121     DD_CREATESURFACEDATA *pDdCreateSurfaceData,
 122     PVOID Address)
 123 {
 124     return intDdCreateSurfaceOrBuffer(hDirectDrawLocal, pDdSurfList, a3, pDdSurfGlob, pDdSurfLoc, pDdSurfMore, pDdCreateSurfaceData, Address);
 125 }