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/io_surface_layer_impl.h" 6 7#include "cc/test/layer_test_common.h" 8#include "testing/gtest/include/gtest/gtest.h" 9 10namespace cc { 11namespace { 12 13TEST(IOSurfaceLayerImplTest, Occlusion) { 14 gfx::Size layer_size(1000, 1000); 15 gfx::Size viewport_size(1000, 1000); 16 17 LayerTestCommon::LayerImplTest impl; 18 19 IOSurfaceLayerImpl* io_surface_layer_impl = 20 impl.AddChildToRoot<IOSurfaceLayerImpl>(); 21 io_surface_layer_impl->SetBounds(layer_size); 22 io_surface_layer_impl->SetContentBounds(layer_size); 23 io_surface_layer_impl->SetDrawsContent(true); 24 25 impl.CalcDrawProps(viewport_size); 26 27 { 28 SCOPED_TRACE("No occlusion"); 29 gfx::Rect occluded; 30 impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded); 31 32 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), 33 gfx::Rect(layer_size)); 34 EXPECT_EQ(1u, impl.quad_list().size()); 35 } 36 37 { 38 SCOPED_TRACE("Full occlusion"); 39 gfx::Rect occluded(io_surface_layer_impl->visible_content_rect()); 40 impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded); 41 42 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect()); 43 EXPECT_EQ(impl.quad_list().size(), 0u); 44 } 45 46 { 47 SCOPED_TRACE("Partial occlusion"); 48 gfx::Rect occluded(200, 0, 800, 1000); 49 impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded); 50 51 size_t partially_occluded_count = 0; 52 LayerTestCommon::VerifyQuadsAreOccluded( 53 impl.quad_list(), occluded, &partially_occluded_count); 54 // The layer outputs one quad, which is partially occluded. 55 EXPECT_EQ(1u, impl.quad_list().size()); 56 EXPECT_EQ(1u, partially_occluded_count); 57 } 58} 59 60} // namespace 61} // namespace cc 62