From ee1f87921bb98964d2c82d8c7c4cf64ba3834b52 Mon Sep 17 00:00:00 2001
From: "Carsten \"Tomcat\" Book" <cbook@mozilla.com>
Date: Fri, 10 Apr 2015 11:12:51 +0200
Subject: [PATCH] Backed out changeset 1610ee9ba5d8 (bug 1151821) for m1 test
 failures

---
 gfx/2d/DrawTargetD2D1.cpp | 53 ---------------------------------------
 gfx/2d/DrawTargetD2D1.h   |  2 --
 2 files changed, 55 deletions(-)

diff --git a/gfx/2d/DrawTargetD2D1.cpp b/gfx/2d/DrawTargetD2D1.cpp
index b47ac5c1b1e0..a2c9b291a1b9 100644
--- a/gfx/2d/DrawTargetD2D1.cpp
+++ b/gfx/2d/DrawTargetD2D1.cpp
@@ -951,40 +951,7 @@ DrawTargetD2D1::FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern)
 
   if (patternSupported) {
     if (D2DSupportsCompositeMode(aOp)) {
-      D2D1_RECT_F rect;
-      bool isAligned;
-      RefPtr<ID2D1Bitmap> tmpBitmap;
-      bool clipIsComplex = mPushedClips.size() && !GetDeviceSpaceClipRect(rect, isAligned);
-
-      if (clipIsComplex) {
-        // Make sure all clips are popped, and restore clipped out area if the
-        // operation is not bound by the mask.
-        PopAllClips();
-
-        if (!IsOperatorBoundByMask(aOp)) {
-          HRESULT hr = mDC->CreateBitmap(D2DIntSize(mSize), D2D1::BitmapProperties(D2DPixelFormat(mFormat)), byRef(tmpBitmap));
-          if (FAILED(hr)) {
-            gfxCriticalError(CriticalLog::DefaultOptions(Factory::ReasonableSurfaceSize(mSize))) << "[D2D1.1] 6CreateBitmap failure " << mSize << " Code: " << hexa(hr);
-            // For now, crash in this scenario; this should happen because tmpBitmap is
-            // null and CopyFromBitmap call below dereferences it.
-            // return;
-          }
-          mDC->Flush();
-
-          tmpBitmap->CopyFromBitmap(nullptr, mBitmap, nullptr);
-        }
-      }
       mDC->DrawImage(image, D2D1_INTERPOLATION_MODE_NEAREST_NEIGHBOR, D2DCompositionMode(aOp));
-
-      if (tmpBitmap) {
-        RefPtr<ID2D1BitmapBrush> brush;
-        RefPtr<ID2D1Geometry> inverseGeom = GetInverseClippedGeometry();
-        mDC->CreateBitmapBrush(tmpBitmap, byRef(brush));
-
-        mDC->SetPrimitiveBlend(D2D1_PRIMITIVE_BLEND_COPY);
-        mDC->FillGeometry(inverseGeom, brush);
-        mDC->SetPrimitiveBlend(D2D1_PRIMITIVE_BLEND_SOURCE_OVER);
-      }
       return;
     }
 
@@ -1101,8 +1068,6 @@ DrawTargetD2D1::GetClippedGeometry(IntRect *aClipBounds)
     return mCurrentClippedGeometry;
   }
 
-  MOZ_ASSERT(mPushedClips.size());
-
   mCurrentClipBounds = IntRect(IntPoint(0, 0), mSize);
 
   // if pathGeom is null then pathRect represents the path.
@@ -1182,24 +1147,6 @@ DrawTargetD2D1::GetClippedGeometry(IntRect *aClipBounds)
   return mCurrentClippedGeometry;
 }
 
-TemporaryRef<ID2D1Geometry>
-DrawTargetD2D1::GetInverseClippedGeometry()
-{
-  IntRect bounds;
-  RefPtr<ID2D1Geometry> geom = GetClippedGeometry(&bounds);
-  RefPtr<ID2D1RectangleGeometry> rectGeom;
-  RefPtr<ID2D1PathGeometry> inverseGeom;
-
-  factory()->CreateRectangleGeometry(D2D1::RectF(0, 0, mSize.width, mSize.height), byRef(rectGeom));
-  factory()->CreatePathGeometry(byRef(inverseGeom));
-  RefPtr<ID2D1GeometrySink> sink;
-  inverseGeom->Open(byRef(sink));
-  rectGeom->CombineWithGeometry(geom, D2D1_COMBINE_MODE_EXCLUDE, D2D1::IdentityMatrix(), sink);
-  sink->Close();
-
-  return inverseGeom;
-}
-
 void
 DrawTargetD2D1::PopAllClips()
 {
diff --git a/gfx/2d/DrawTargetD2D1.h b/gfx/2d/DrawTargetD2D1.h
index f18df2ca19c8..447a3e230e7f 100644
--- a/gfx/2d/DrawTargetD2D1.h
+++ b/gfx/2d/DrawTargetD2D1.h
@@ -175,8 +175,6 @@ private:
   // bounds to correctly reflect the total clip. This is in device space.
   TemporaryRef<ID2D1Geometry> GetClippedGeometry(IntRect *aClipBounds);
 
-  TemporaryRef<ID2D1Geometry> GetInverseClippedGeometry();
-
   bool GetDeviceSpaceClipRect(D2D1_RECT_F& aClipRect, bool& aIsPixelAligned);
 
   void PopAllClips();