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, bool lost) {} 16 17 TEST(TextureLayerImplTest, Occlusion) { 18 gfx::Size layer_size(1000, 1000); 19 gfx::Size viewport_size(1000, 1000); 20 21 LayerTestCommon::LayerImplTest impl; 22 23 gpu::Mailbox mailbox; 24 impl.output_surface()->context_provider()->ContextGL()->GenMailboxCHROMIUM( 25 mailbox.name); 26 TextureMailbox texture_mailbox(mailbox, GL_TEXTURE_2D, 0); 27 28 TextureLayerImpl* texture_layer_impl = 29 impl.AddChildToRoot<TextureLayerImpl>(); 30 texture_layer_impl->SetBounds(layer_size); 31 texture_layer_impl->SetContentBounds(layer_size); 32 texture_layer_impl->SetDrawsContent(true); 33 texture_layer_impl->SetTextureMailbox( 34 texture_mailbox, 35 SingleReleaseCallback::Create(base::Bind(&IgnoreCallback))); 36 37 impl.CalcDrawProps(viewport_size); 38 39 { 40 SCOPED_TRACE("No occlusion"); 41 gfx::Rect occluded; 42 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 43 44 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), 45 gfx::Rect(layer_size)); 46 EXPECT_EQ(1u, impl.quad_list().size()); 47 } 48 49 { 50 SCOPED_TRACE("Full occlusion"); 51 gfx::Rect occluded(texture_layer_impl->visible_content_rect()); 52 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 53 54 LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect()); 55 EXPECT_EQ(impl.quad_list().size(), 0u); 56 } 57 58 { 59 SCOPED_TRACE("Partial occlusion"); 60 gfx::Rect occluded(200, 0, 800, 1000); 61 impl.AppendQuadsWithOcclusion(texture_layer_impl, occluded); 62 63 size_t partially_occluded_count = 0; 64 LayerTestCommon::VerifyQuadsCoverRectWithOcclusion( 65 impl.quad_list(), 66 gfx::Rect(layer_size), 67 occluded, 68 &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
