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/texture_layer_impl.h" 6 7 #include "cc/output/context_provider.h" 8 #include "cc/output/output_surface.h" 9 #include "cc/test/layer_test_common.h" 10 #include "testing/gtest/include/gtest/gtest.h" 11 12 namespace cc { 13 namespace { 14 15 void IgnoreCallback(uint32 sync_point, 16 bool lost, 17 BlockingTaskRunner* main_thread_task_runner) { 18 } 19 20 TEST(TextureLayerImplTest, Occlusion) { 21 gfx::Size layer_size(1000, 1000); 22 gfx::Size viewport_size(1000, 1000); 23 24 LayerTestCommon::LayerImplTest impl; 25 26 gpu::Mailbox mailbox; 27 impl.output_surface()->context_provider()->ContextGL()->GenMailboxCHROMIUM( 28 mailbox.name); 29 TextureMailbox texture_mailbox(mailbox, GL_TEXTURE_2D, 0); 30 31 TextureLayerImpl* texture_layer_impl = 32 impl.AddChildToRoot<TextureLayerImpl>(); 33 texture_layer_impl->SetBounds(layer_size); 34 texture_layer_impl->SetContentBounds(layer_size); 35 texture_layer_impl->SetDrawsContent(true); 36 texture_layer_impl->SetTextureMailbox( 37 texture_mailbox, 38 SingleReleaseCallbackImpl::Create(base::Bind(&IgnoreCallback))); 39 40 impl.CalcDrawProps(viewport_size); 41 42 { 43 SCOPED_TRACE("No occlusion"); 44 gfx::Rect occluded; 45 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 46 47 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), 48 gfx::Rect(layer_size)); 49 EXPECT_EQ(1u, impl.quad_list().size()); 50 } 51 52 { 53 SCOPED_TRACE("Full occlusion"); 54 gfx::Rect occluded(texture_layer_impl->visible_content_rect()); 55 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 56 57 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect()); 58 EXPECT_EQ(impl.quad_list().size(), 0u); 59 } 60 61 { 62 SCOPED_TRACE("Partial occlusion"); 63 gfx::Rect occluded(200, 0, 800, 1000); 64 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 65 66 size_t partially_occluded_count = 0; 67 LayerTestCommon::VerifyQuadsAreOccluded( 68 impl.quad_list(), occluded, &partially_occluded_count); 69 // The layer outputs one quad, which is partially occluded. 70 EXPECT_EQ(1u, impl.quad_list().size()); 71 EXPECT_EQ(1u, partially_occluded_count); 72 } 73 } 74 75 } // namespace 76 } // namespace cc 77
