| // 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/render_surface_impl.h" |
| |
| #include "cc/test/layer_test_common.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| TEST(RenderSurfaceLayerImplTest, Occlusion) { |
| gfx::Size layer_size(1000, 1000); |
| gfx::Size viewport_size(1000, 1000); |
| |
| LayerTestCommon::LayerImplTest impl; |
| |
| LayerImpl* owning_layer_impl = impl.AddChildToRoot<LayerImpl>(); |
| owning_layer_impl->SetBounds(layer_size); |
| owning_layer_impl->SetContentBounds(layer_size); |
| owning_layer_impl->SetDrawsContent(true); |
| owning_layer_impl->SetHasRenderSurface(true); |
| |
| impl.CalcDrawProps(viewport_size); |
| |
| RenderSurfaceImpl* render_surface_impl = owning_layer_impl->render_surface(); |
| ASSERT_TRUE(render_surface_impl); |
| |
| { |
| SCOPED_TRACE("No occlusion"); |
| gfx::Rect occluded; |
| impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded); |
| |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), |
| gfx::Rect(layer_size)); |
| EXPECT_EQ(1u, impl.quad_list().size()); |
| } |
| |
| { |
| SCOPED_TRACE("Full occlusion"); |
| gfx::Rect occluded(owning_layer_impl->visible_content_rect()); |
| impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded); |
| |
| 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.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded); |
| |
| size_t partially_occluded_count = 0; |
| LayerTestCommon::VerifyQuadsAreOccluded( |
| impl.quad_list(), occluded, &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); |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |