1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cc/layers/surface_layer_impl.h" 6 7 #include "cc/test/layer_test_common.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 10 namespace cc { 11 namespace { 12 13 TEST(SurfaceLayerImplTest, Occlusion) { 14 gfx::Size layer_size(1000, 1000); 15 gfx::Size viewport_size(1000, 1000); 16 17 LayerTestCommon::LayerImplTest impl; 18 19 SurfaceLayerImpl* surface_layer_impl = 20 impl.AddChildToRoot<SurfaceLayerImpl>(); 21 surface_layer_impl->SetBounds(layer_size); 22 surface_layer_impl->SetContentBounds(layer_size); 23 surface_layer_impl->SetDrawsContent(true); 24 SurfaceId surface_id(9); 25 surface_layer_impl->SetSurfaceId(surface_id); 26 27 impl.CalcDrawProps(viewport_size); 28 29 { 30 SCOPED_TRACE("No occlusion"); 31 gfx::Rect occluded; 32 impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded); 33 34 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), 35 gfx::Rect(layer_size)); 36 EXPECT_EQ(1u, impl.quad_list().size()); 37 } 38 39 { 40 SCOPED_TRACE("Full occlusion"); 41 gfx::Rect occluded(surface_layer_impl->visible_content_rect()); 42 impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded); 43 44 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect()); 45 EXPECT_EQ(impl.quad_list().size(), 0u); 46 } 47 48 { 49 SCOPED_TRACE("Partial occlusion"); 50 gfx::Rect occluded(200, 0, 800, 1000); 51 impl.AppendQuadsWithOcclusion(surface_layer_impl, occluded); 52 53 size_t partially_occluded_count = 0; 54 LayerTestCommon::VerifyQuadsCoverRectWithOcclusion( 55 impl.quad_list(), 56 gfx::Rect(layer_size), 57 occluded, 58 &partially_occluded_count); 59 // The layer outputs one quad, which is partially occluded. 60 EXPECT_EQ(1u, impl.quad_list().size()); 61 EXPECT_EQ(1u, partially_occluded_count); 62 } 63 } 64 65 } // namespace 66 } // namespace cc 67
