Split picture layer quads to allow removing more occluded area.

cc/layers/surface_layer_impl_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 "cc/layers/surface_layer_impl.h"
 
 #include <stddef.h>
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/test/layer_test_common.h"
@@ skipping 54 matching lines @@
     EXPECT_EQ(impl.quad_list().size(), 0u);
   }
 
   {
     SCOPED_TRACE("Partial occlusion");
     gfx::Rect occluded(gfx::ScaleToEnclosingRect(gfx::Rect(200, 0, 312, 512),
                                                  device_scale_factor));
     impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded);
 
     size_t partially_occluded_count = 0;
-    LayerTestCommon::VerifyQuadsAreOccluded(impl.quad_list(), occluded,
+    LayerTestCommon::VerifyQuadsAreOccluded(impl.quad_list(), occluded, false,
                                             &partially_occluded_count);
     // The layer outputs one quad, which is partially occluded.
     EXPECT_EQ(1u, impl.quad_list().size());
     EXPECT_EQ(1u, partially_occluded_count);
   }
   {
     SCOPED_TRACE("No outside occlusion");
     gfx::Rect occluded(gfx::ScaleToEnclosingRect(gfx::Rect(0, 681, 681, 69),
                                                  device_scale_factor));
     impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded);
@@ skipping 40 matching lines @@
     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
     EXPECT_EQ(impl.quad_list().size(), 0u);
   }
 
   {
     SCOPED_TRACE("Partial occlusion");
     gfx::Rect occluded(200, 0, 800, 1000);
     impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded);
 
     size_t partially_occluded_count = 0;
-    LayerTestCommon::VerifyQuadsAreOccluded(
-        impl.quad_list(), occluded, &partially_occluded_count);
+    LayerTestCommon::VerifyQuadsAreOccluded(impl.quad_list(), occluded, false,
+                                            &partially_occluded_count);
     // The layer outputs one quad, which is partially occluded.
     EXPECT_EQ(1u, impl.quad_list().size());
     EXPECT_EQ(1u, partially_occluded_count);
   }
 }
 
 TEST(SurfaceLayerImplTest, SurfaceStretchedToLayerBounds) {
   LayerTestCommon::LayerImplTest impl;
   SurfaceLayerImpl* surface_layer_impl =
       impl.AddChildToRoot<SurfaceLayerImpl>();
@@ skipping 218 matching lines @@
   ASSERT_TRUE(surface_draw_quad1);
 
   EXPECT_EQ(SurfaceDrawQuadType::PRIMARY,
             surface_draw_quad1->surface_draw_quad_type);
   EXPECT_EQ(surface_id1, surface_draw_quad1->surface_id);
   EXPECT_FALSE(surface_draw_quad1->fallback_quad);
 }
 
 }  // namespace
 }  // namespace cc