[WIN32K]

[reactos.git] / subsystems / win32 / win32k / objects / dclife.c

diff --git a/subsystems/win32/win32k/objects/dclife.c b/subsystems/win32/win32k/objects/dclife.c
index 1426770..71d3501 100644 (file)
--- a/subsystems/win32/win32k/objects/dclife.c
+++ b/subsystems/win32/win32k/objects/dclife.c
@@ -115,11 +115,13 @@ DC_vInitDc(
     DCTYPE dctype,
     PPDEVOBJ ppdev)
 {
+#if 0
     if (dctype == DCTYPE_DIRECT)
     {
         /* Lock ppdev */
         EngAcquireSemaphoreShared(ppdev->hsemDevLock);
     }
+#endif
 
     /* Setup some basic fields */
     pdc->dctype = dctype;
@@ -451,6 +453,123 @@ leave:
     return ret;
 }
 
+
+int FASTCALL
+CLIPPING_UpdateGCRegion(DC* Dc);
+
+static
+void
+DC_vUpdateDC(PDC pdc)
+{
+    HRGN hVisRgn ;
+    PPDEVOBJ ppdev = pdc->ppdev ;
+
+    pdc->dhpdev = ppdev->dhpdev;
+
+    SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
+    pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
+
+    PDEVOBJ_sizl(pdc->ppdev, &pdc->dclevel.sizl);
+    hVisRgn = NtGdiCreateRectRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
+    ASSERT(hVisRgn);
+    GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
+    GreDeleteObject(hVisRgn);
+
+    pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
+    pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
+
+    /* Mark EBRUSHOBJs as dirty */
+    pdc->pdcattr->ulDirty_ |= DIRTY_DEFAULT ;
+}
+
+/* Prepare a blit for up to 2 DCs */
+/* rc1 and rc2 are the rectangles where we want to draw or
+ * from where we take pixels. */
+VOID
+FASTCALL
+DC_vPrepareDCsForBlit(PDC pdc1,
+                      RECT rc1,
+                      PDC pdc2,
+                      RECT rc2)
+{
+    PDC pdcFirst, pdcSecond;
+    PRECT prcFirst, prcSecond;
+    /* Lock them in good order */
+    if(pdc2)
+    {
+        if((ULONG_PTR)pdc1->BaseObject.hHmgr >= (ULONG_PTR)pdc2->BaseObject.hHmgr)
+        {
+            pdcFirst = pdc1;
+            prcFirst = &rc1;
+            pdcSecond = pdc2;
+            prcSecond = &rc2;
+        }
+        else
+        {
+            pdcFirst = pdc2;
+            prcFirst = &rc2;
+            pdcSecond = pdc1;
+            prcSecond = &rc1;
+        }
+    }
+    else
+    {
+        pdcFirst = pdc1 ;
+        prcFirst = &rc1;
+        pdcSecond = NULL ;
+    }
+
+    if(pdcFirst && pdcFirst->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcFirst->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(pdcFirst->ppdev,
+                                    prcFirst->left,
+                                    prcFirst->top,
+                                    prcFirst->right,
+                                    prcFirst->bottom) ;
+        /* Update surface if needed */
+        if(pdcFirst->ppdev->pSurface != pdcFirst->dclevel.pSurface)
+        {
+            DC_vUpdateDC(pdcFirst);
+        }
+    }
+    if(pdcSecond && pdcSecond->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcSecond->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(pdcSecond->ppdev,
+                                    prcSecond->left,
+                                    prcSecond->top,
+                                    prcSecond->right,
+                                    prcSecond->bottom) ;
+        /* Update surface if needed */
+        if(pdcSecond->ppdev->pSurface != pdcSecond->dclevel.pSurface)
+        {
+            DC_vUpdateDC(pdcSecond);
+        }
+    }
+}
+
+/* Finishes a blit for one or two DCs */
+VOID
+FASTCALL
+DC_vFinishBlit(PDC pdc1, PDC pdc2)
+{
+    if(pdc1->dctype == DCTYPE_DIRECT)
+    {
+        MouseSafetyOnDrawEnd(pdc1->ppdev);
+        EngReleaseSemaphore(pdc1->ppdev->hsemDevLock);
+    }
+
+    if(pdc2)
+    {
+        if(pdc2->dctype == DCTYPE_DIRECT)
+        {
+            MouseSafetyOnDrawEnd(pdc2->ppdev);
+            EngReleaseSemaphore(pdc2->ppdev->hsemDevLock);
+        }
+    }
+}
+
 HDC
 NTAPI
 GreOpenDCW(