Implement SkImageFilter support in the compositor.

cc/render_pass_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "cc/render_pass.h"
 
 #include "CCCheckerboardDrawQuad.h"
 #include "cc/test/geometry_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/effects/SkBlurImageFilter.h"
 #include <public/WebFilterOperations.h>
 #include <public/WebTransformationMatrix.h>
 
 using WebKit::WebFilterOperation;
 using WebKit::WebFilterOperations;
 using WebKit::WebTransformationMatrix;
 
 using namespace cc;
 
 namespace {
 
 class TestRenderPass : public RenderPass {
 public:
     QuadList& quadList() { return m_quadList; }
     SharedQuadStateList& sharedQuadStateList() { return m_sharedQuadStateList; }
 };
 
 struct RenderPassSize {
     // If you add a new field to this class, make sure to add it to the copy() tests.
     RenderPass::Id m_id;
     QuadList m_quadList;
     SharedQuadStateList m_sharedQuadStateList;
     WebKit::WebTransformationMatrix m_transformToRootTarget;
     gfx::Rect m_outputRect;
     gfx::RectF m_damageRect;
     bool m_hasTransparentBackground;
     bool m_hasOcclusionFromOutsideTargetSurface;
     WebKit::WebFilterOperations m_filters;
     WebKit::WebFilterOperations m_backgroundFilters;
+    SkImageFilter* m_filter;
 };
 
 TEST(RenderPassTest, copyShouldBeIdenticalExceptIdAndQuads)
 {
     RenderPass::Id id(3, 2);
     gfx::Rect outputRect(45, 22, 120, 13);
     WebTransformationMatrix transformToRoot(1, 0.5, 0.5, -0.5, -1, 0);
 
     scoped_ptr<RenderPass> pass = RenderPass::create(id, outputRect, transformToRoot);
 
     gfx::Rect damageRect(56, 123, 19, 43);
     bool hasTransparentBackground = true;
     bool hasOcclusionFromOutsideTargetSurface = true;
     WebFilterOperations filters;
     WebFilterOperations backgroundFilters;
 
     filters.append(WebFilterOperation::createGrayscaleFilter(0.2f));
     backgroundFilters.append(WebFilterOperation::createInvertFilter(0.2f));
+    SkAutoTUnref<SkBlurImageFilter> filter(new SkBlurImageFilter(SK_Scalar1, SK_Scalar1));
 
     pass->setDamageRect(damageRect);
     pass->setHasTransparentBackground(hasTransparentBackground);
     pass->setHasOcclusionFromOutsideTargetSurface(hasOcclusionFromOutsideTargetSurface);
     pass->setFilters(filters);
     pass->setBackgroundFilters(backgroundFilters);
+    pass->setFilter(filter);
 
     // Stick a quad in the pass, this should not get copied.
     TestRenderPass* testPass = static_cast<TestRenderPass*>(pass.get());
     testPass->sharedQuadStateList().append(SharedQuadState::create(WebTransformationMatrix(), gfx::Rect(), gfx::Rect(), 1, false));
     testPass->quadList().append(CheckerboardDrawQuad::create(testPass->sharedQuadStateList().last(), gfx::Rect(), SkColor()).PassAs<DrawQuad>());
 
     RenderPass::Id newId(63, 4);
 
     scoped_ptr<RenderPass> copy = pass->copy(newId);
     EXPECT_EQ(newId, copy->id());
     EXPECT_RECT_EQ(pass->outputRect(), copy->outputRect());
     EXPECT_EQ(pass->transformToRootTarget(), copy->transformToRootTarget());
     EXPECT_RECT_EQ(pass->damageRect(), copy->damageRect());
     EXPECT_EQ(pass->hasTransparentBackground(), copy->hasTransparentBackground());
     EXPECT_EQ(pass->hasOcclusionFromOutsideTargetSurface(), copy->hasOcclusionFromOutsideTargetSurface());
     EXPECT_EQ(pass->filters(), copy->filters());
     EXPECT_EQ(pass->backgroundFilters(), copy->backgroundFilters());
+    EXPECT_EQ(pass->filter(), copy->filter());
     EXPECT_EQ(0u, copy->quadList().size());
 
     EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
 }
 
 } // namespace