Implement SkImageFilter support in the compositor.

cc/render_pass.cc

Index: cc/render_pass.cc
diff --git a/cc/render_pass.cc b/cc/render_pass.cc
index d628c0d130054b7c6467a76ca89b8d23350c08af..5bb1a9049233e3efa010a836b4ec8c9d459e5160 100644
--- a/cc/render_pass.cc
+++ b/cc/render_pass.cc
@@ -12,6 +12,7 @@
 #include "CCQuadCuller.h"
 #include "CCSharedQuadState.h"
 #include "CCSolidColorDrawQuad.h"
+#include "SkImageFilter.h"
 
 using WebKit::WebTransformationMatrix;
 
@@ -28,6 +29,7 @@ CCRenderPass::CCRenderPass(Id id, IntRect outputRect, const WebKit::WebTransform
     , m_outputRect(outputRect)
     , m_hasTransparentBackground(true)
     , m_hasOcclusionFromOutsideTargetSurface(false)
+    , m_filter(0)
 {
     DCHECK(id.layerId > 0);
     DCHECK(id.index >= 0);
@@ -47,6 +49,7 @@ scoped_ptr<CCRenderPass> CCRenderPass::copy(Id newId) const
     copyPass->setHasOcclusionFromOutsideTargetSurface(m_hasOcclusionFromOutsideTargetSurface);
     copyPass->setFilters(m_filters);
     copyPass->setBackgroundFilters(m_backgroundFilters);
+    copyPass->setFilter(m_filter);
     return copyPass.Pass();
 }
 
@@ -103,4 +106,8 @@ void CCRenderPass::appendQuadsToFillScreen(CCLayerImpl* rootLayer, SkColor scree
     }
 }
 
+void CCRenderPass::setFilter(SkImageFilter* filter) {
+    SkRefCnt_SafeAssign(m_filter, filter);
+}

[danakj, 2012/10/19 19:34:24]

Same question as james, who frees this one?

[Stephen White, 2012/10/19 21:34:50]

Done.

+
 }  // namespace cc