[tkreuzer] 66229: [WIN32K] - Handle the case where we have a masked ROP, but no mask surface in EngBitBlt - Alloc ROPs with a mask in EngPaint Fixes ASSERT when GoogleEarth is launched.

Author: tkreuzer
Date: Wed Feb 11 21:34:42 2015
New Revision: 66229

URL: http://svn.reactos.org/svn/reactos?rev=66229&view=rev
Log:
[WIN32K]
- Handle the case where we have a masked ROP, but no mask surface in EngBitBlt
- Alloc ROPs with a mask in EngPaint
Fixes ASSERT when GoogleEarth is launched.

Modified:
    trunk/reactos/win32ss/gdi/eng/bitblt.c
    trunk/reactos/win32ss/gdi/eng/bitblt_new.c
    trunk/reactos/win32ss/gdi/eng/paint.c

Modified: trunk/reactos/win32ss/gdi/eng/bitblt.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/bitblt.c?re...
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/bitblt.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/bitblt.c	[iso-8859-1] Wed Feb 11 21:34:42 2015
@@ -458,6 +458,19 @@
     else
     {
         clippingType = pco->iDComplexity;
+    }
+
+    /* Check if we need a mask but have no mask surface */
+    if (UsesMask && (psoMask == NULL))
+    {
+        /* Check if the BRUSHOBJ can provide the mask */
+        psoMask = BRUSHOBJ_psoMask(pbo);
+        if (psoMask == NULL)
+        {
+            /* We have no mask, assume the mask is all foreground */
+            rop4 &= (rop4 & 0xFF) || ((rop4 & 0xFF) << 8);
+            UsesMask = FALSE;
+        }
     }

if (UsesMask)

Modified: trunk/reactos/win32ss/gdi/eng/bitblt_new.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/bitblt_new....
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/bitblt_new.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/bitblt_new.c	[iso-8859-1] Wed Feb 11 21:34:42 2015
@@ -210,7 +210,7 @@
     if (ROP4_USES_PATTERN(rop4))
     {
         /* Must have a brush */
-        ASSERT(pbo); // FIXME: test this!
+        NT_ASSERT(pbo); // FIXME: test this!

/* Copy the solid color */
         bltdata.ulSolidColor = pbo->iSolidColor;
@@ -253,11 +253,22 @@
     /* Check if the ROP uses a mask */
     if (ROP4_USES_MASK(rop4))
     {
-        /* Must have a mask surface and point */
-        ASSERT(psoMask);
-        ASSERT(pptlMask);
-
         //__debugbreak();
+
+        /* Check if we don't have a mask surface */
+        if (psoMask == NULL)
+        {
+            /* Must have a brush */
+            NT_ASSERT(pbo); // FIXME: test this!
+
+            /* Check if the BRUSHOBJ can provide the mask */
+            psoMask = BRUSHOBJ_psoMask(pbo);
+            if (psoMask == NULL)
+            {
+                /* We have no mask, assume the mask is all foreground */
+                rop4 = (rop4 & 0xFF) || ((rop4 & 0xFF) << 8);
+            }
+        }

/* Set the mask format info */
         bltdata.siMsk.iFormat = psoMask->iBitmapFormat;

Modified: trunk/reactos/win32ss/gdi/eng/paint.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/paint.c?rev...
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/paint.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/paint.c	[iso-8859-1] Wed Feb 11 21:34:42 2015
@@ -63,9 +63,8 @@
     /* Convert the MIX, consisting of 2 ROP2 codes into a ROP4 */
     rop4 = MIX_TO_ROP4(mix);

-    /* Sanity checks */
+    /* Sanity check */
     NT_ASSERT(!ROP4_USES_SOURCE(rop4));
-    NT_ASSERT(!ROP4_USES_MASK(rop4));

/* Forward the call to Eng/DrvBitBlt */
     return IntEngBitBlt(pso,