Allow Core Animation compositor to use some scaled filter effects.

cc/output/overlay_unittest.cc

 // Copyright 2014 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 <stddef.h>
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "cc/base/region.h"
@@ skipping 1805 matching lines @@
 
     if (effect.type ==
         ui::CARendererLayerParams::FilterEffectType::DROP_SHADOW) {
       EXPECT_EQ(10, effect.drop_shadow_offset.x());
       EXPECT_EQ(20, effect.drop_shadow_offset.y());
       EXPECT_EQ(SK_ColorGREEN, effect.drop_shadow_color);
     }
   }
 }
 
-TEST_F(CALayerOverlayRPDQTest, RenderPassDrawQuadFilterScale) {
+TEST_F(CALayerOverlayRPDQTest, RenderPassDrawQuadOpacityFilterScale) {
+  filters_.Append(FilterOperation::CreateOpacityFilter(0.8f));
   quad_->SetNew(pass_->shared_quad_state_list.back(), kOverlayRect,
                 kOverlayRect, render_pass_id_, 0, gfx::Vector2dF(), gfx::Size(),
                 filters_, gfx::Vector2dF(1, 2), background_filters_);
+  ProcessForOverlays();
+  EXPECT_EQ(1U, ca_layer_list_.size());
+}
+
+TEST_F(CALayerOverlayRPDQTest, RenderPassDrawQuadBlurFilterScale) {
+  filters_.Append(FilterOperation::CreateBlurFilter(0.8f));
+  quad_->SetNew(pass_->shared_quad_state_list.back(), kOverlayRect,
+                kOverlayRect, render_pass_id_, 0, gfx::Vector2dF(), gfx::Size(),
+                filters_, gfx::Vector2dF(1, 2), background_filters_);
+  ProcessForOverlays();
+  EXPECT_EQ(0U, ca_layer_list_.size());
+}
+
+TEST_F(CALayerOverlayRPDQTest, RenderPassDrawQuadDropShadowFilterScale) {
+  filters_.Append(FilterOperation::CreateDropShadowFilter(gfx::Point(10, 20),
+                                                          1.0f, SK_ColorGREEN));
+  quad_->SetNew(pass_->shared_quad_state_list.back(), kOverlayRect,
+                kOverlayRect, render_pass_id_, 0, gfx::Vector2dF(), gfx::Size(),
+                filters_, gfx::Vector2dF(1, 2), background_filters_);
   ProcessForOverlays();
   EXPECT_EQ(0U, ca_layer_list_.size());
 }
 
 TEST_F(CALayerOverlayRPDQTest, RenderPassDrawQuadBackgroundFilter) {
   background_filters_.Append(FilterOperation::CreateGrayscaleFilter(0.1f));
   quad_->SetNew(pass_->shared_quad_state_list.back(), kOverlayRect,
                 kOverlayRect, render_pass_id_, 0, gfx::Vector2dF(), gfx::Size(),
                 filters_, gfx::Vector2dF(1, 1), background_filters_);
   ProcessForOverlays();
@@ skipping 12 matching lines @@
   filters_.Append(FilterOperation::CreateZoomFilter(0.9f, 1));
   quad_->SetNew(pass_->shared_quad_state_list.back(), kOverlayRect,
                 kOverlayRect, render_pass_id_, 0, gfx::Vector2dF(), gfx::Size(),
                 filters_, gfx::Vector2dF(1, 1), background_filters_);
   ProcessForOverlays();
   EXPECT_EQ(0U, ca_layer_list_.size());
 }
 
 }  // namespace
 }  // namespace cc