Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / win32ss / reactx / dxg / d3d.c

diff --git a/win32ss/reactx/dxg/d3d.c b/win32ss/reactx/dxg/d3d.c
new file mode 100644 (file)
index 0000000..98db451
--- /dev/null
+++ b/win32ss/reactx/dxg/d3d.c
@@ -0,0 +1,125 @@
+/*
+ * COPYRIGHT:        See COPYING in the top level directory
+ * PROJECT:          ReactOS kernel
+ * PURPOSE:          Native driver for dxg implementation
+ * FILE:             win32ss/reactx/dxg/d3d.c
+ * PROGRAMER:        Sebastian Gasiorek (sebastian.gasiorek@reactos.org)
+ */
+
+#include <string.h>
+#include <dxg_int.h>
+
+DWORD
+NTAPI
+DxDdCanCreateD3DBuffer(
+    HANDLE DdHandle,
+    PDD_CANCREATESURFACEDATA SurfaceData)
+{
+    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;
+}
+
+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)
+{
+  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;
+}
+
+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)
+{
+    return intDdCreateSurfaceOrBuffer(hDirectDrawLocal, pDdSurfList, a3, pDdSurfGlob, pDdSurfLoc, pDdSurfMore, pDdCreateSurfaceData, Address);
+}