| // Copyright 2013 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/test/layer_tree_pixel_test.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/path_service.h" |
| #include "cc/base/switches.h" |
| #include "cc/layers/solid_color_layer.h" |
| #include "cc/layers/texture_layer.h" |
| #include "cc/test/pixel_comparator.h" |
| #include "cc/test/pixel_test_output_surface.h" |
| #include "cc/test/pixel_test_utils.h" |
| #include "cc/test/test_in_process_context_provider.h" |
| #include "cc/trees/effect_node.h" |
| #include "cc/trees/layer_tree_impl.h" |
| #include "components/viz/common/frame_sinks/copy_output_request.h" |
| #include "components/viz/common/frame_sinks/copy_output_result.h" |
| #include "components/viz/service/display/software_output_device.h" |
| #include "components/viz/test/paths.h" |
| #include "components/viz/test/test_layer_tree_frame_sink.h" |
| #include "gpu/command_buffer/client/gles2_implementation.h" |
| #include "gpu/ipc/gl_in_process_context.h" |
| |
| using gpu::gles2::GLES2Interface; |
| |
| namespace cc { |
| |
| LayerTreePixelTest::LayerTreePixelTest() |
| : pixel_comparator_(new ExactPixelComparator(true)), |
| test_type_(PIXEL_TEST_GL), |
| property_trees_(nullptr), |
| pending_texture_mailbox_callbacks_(0) {} |
| |
| LayerTreePixelTest::~LayerTreePixelTest() = default; |
| |
| std::unique_ptr<viz::TestLayerTreeFrameSink> |
| LayerTreePixelTest::CreateLayerTreeFrameSink( |
| const viz::RendererSettings& renderer_settings, |
| double refresh_rate, |
| scoped_refptr<viz::ContextProvider>, |
| scoped_refptr<viz::RasterContextProvider>) { |
| scoped_refptr<TestInProcessContextProvider> compositor_context_provider; |
| scoped_refptr<TestInProcessContextProvider> worker_context_provider; |
| if (test_type_ == PIXEL_TEST_GL || test_type_ == PIXEL_TEST_SKIA_GL) { |
| compositor_context_provider = new TestInProcessContextProvider( |
| /*enable_oop_rasterization=*/false, /*support_locking=*/false); |
| worker_context_provider = new TestInProcessContextProvider( |
| /*enable_oop_rasterization=*/false, /*support_locking=*/true); |
| // Bind worker context to main thread like it is in production. This is |
| // needed to fully initialize the context. Compositor context is bound to |
| // the impl thread in LayerTreeFrameSink::BindToCurrentThread(). |
| gpu::ContextResult result = worker_context_provider->BindToCurrentThread(); |
| DCHECK_EQ(result, gpu::ContextResult::kSuccess); |
| } |
| static constexpr bool disable_display_vsync = false; |
| bool synchronous_composite = |
| !HasImplThread() && |
| !layer_tree_host()->GetSettings().single_thread_proxy_scheduler; |
| viz::RendererSettings test_settings = renderer_settings; |
| // Keep texture sizes exactly matching the bounds of the RenderPass to avoid |
| // floating point badness in texcoords. |
| test_settings.dont_round_texture_sizes_for_pixel_tests = true; |
| auto delegating_output_surface = |
| std::make_unique<viz::TestLayerTreeFrameSink>( |
| compositor_context_provider, worker_context_provider, |
| gpu_memory_buffer_manager(), test_settings, ImplThreadTaskRunner(), |
| synchronous_composite, disable_display_vsync, refresh_rate); |
| delegating_output_surface->SetEnlargePassTextureAmount( |
| enlarge_texture_amount_); |
| return delegating_output_surface; |
| } |
| |
| std::unique_ptr<viz::OutputSurface> |
| LayerTreePixelTest::CreateDisplayOutputSurfaceOnThread( |
| scoped_refptr<viz::ContextProvider> compositor_context_provider) { |
| std::unique_ptr<PixelTestOutputSurface> display_output_surface; |
| if (test_type_ == PIXEL_TEST_GL) { |
| // Pixel tests use a separate context for the Display to more closely |
| // mimic texture transport from the renderer process to the Display |
| // compositor. |
| auto display_context_provider = |
| base::MakeRefCounted<TestInProcessContextProvider>( |
| /*enable_oop_rasterization=*/false, /*support_locking=*/false); |
| gpu::ContextResult result = display_context_provider->BindToCurrentThread(); |
| DCHECK_EQ(result, gpu::ContextResult::kSuccess); |
| |
| bool flipped_output_surface = false; |
| display_output_surface = std::make_unique<PixelTestOutputSurface>( |
| std::move(display_context_provider), flipped_output_surface); |
| } else { |
| EXPECT_EQ(PIXEL_TEST_SOFTWARE, test_type_); |
| display_output_surface = std::make_unique<PixelTestOutputSurface>( |
| std::make_unique<viz::SoftwareOutputDevice>()); |
| } |
| return std::move(display_output_surface); |
| } |
| |
| std::unique_ptr<viz::CopyOutputRequest> |
| LayerTreePixelTest::CreateCopyOutputRequest() { |
| return std::make_unique<viz::CopyOutputRequest>( |
| viz::CopyOutputRequest::ResultFormat::RGBA_BITMAP, |
| base::BindOnce(&LayerTreePixelTest::ReadbackResult, |
| base::Unretained(this))); |
| } |
| |
| void LayerTreePixelTest::ReadbackResult( |
| std::unique_ptr<viz::CopyOutputResult> result) { |
| ASSERT_FALSE(result->IsEmpty()); |
| EXPECT_EQ(result->format(), viz::CopyOutputResult::Format::RGBA_BITMAP); |
| result_bitmap_ = std::make_unique<SkBitmap>(result->AsSkBitmap()); |
| EXPECT_TRUE(result_bitmap_->readyToDraw()); |
| EndTest(); |
| } |
| |
| void LayerTreePixelTest::BeginTest() { |
| Layer* target = |
| readback_target_ ? readback_target_ : layer_tree_host()->root_layer(); |
| if (!property_trees_) { |
| target->RequestCopyOfOutput(CreateCopyOutputRequest()); |
| } else { |
| layer_tree_host()->property_trees()->effect_tree.AddCopyRequest( |
| target->effect_tree_index(), CreateCopyOutputRequest()); |
| layer_tree_host() |
| ->property_trees() |
| ->effect_tree.Node(target->effect_tree_index()) |
| ->has_copy_request = true; |
| } |
| PostSetNeedsCommitToMainThread(); |
| } |
| |
| void LayerTreePixelTest::AfterTest() { |
| // Bitmap comparison. |
| if (ref_file_.empty()) { |
| EXPECT_TRUE( |
| MatchesBitmap(*result_bitmap_, expected_bitmap_, *pixel_comparator_)); |
| return; |
| } |
| |
| // File comparison. |
| base::FilePath test_data_dir; |
| EXPECT_TRUE( |
| base::PathService::Get(viz::Paths::DIR_TEST_DATA, &test_data_dir)); |
| base::FilePath ref_file_path = test_data_dir.Append(ref_file_); |
| |
| base::CommandLine* cmd = base::CommandLine::ForCurrentProcess(); |
| if (cmd->HasSwitch(switches::kCCRebaselinePixeltests)) |
| EXPECT_TRUE(WritePNGFile(*result_bitmap_, ref_file_path, true)); |
| EXPECT_TRUE(MatchesPNGFile(*result_bitmap_, |
| ref_file_path, |
| *pixel_comparator_)); |
| } |
| |
| scoped_refptr<SolidColorLayer> LayerTreePixelTest::CreateSolidColorLayer( |
| const gfx::Rect& rect, SkColor color) { |
| scoped_refptr<SolidColorLayer> layer = SolidColorLayer::Create(); |
| layer->SetIsDrawable(true); |
| layer->SetHitTestable(true); |
| layer->SetBounds(rect.size()); |
| layer->SetPosition(gfx::PointF(rect.origin())); |
| layer->SetOffsetToTransformParent( |
| gfx::Vector2dF(rect.origin().x(), rect.origin().y())); |
| layer->SetBackgroundColor(color); |
| return layer; |
| } |
| |
| void LayerTreePixelTest::EndTest() { |
| // Drop textures on the main thread so that they can be cleaned up and |
| // the pending callbacks will fire. |
| for (size_t i = 0; i < texture_layers_.size(); ++i) { |
| texture_layers_[i]->ClearTexture(); |
| } |
| |
| TryEndTest(); |
| } |
| |
| void LayerTreePixelTest::InitializeSettings(LayerTreeSettings* settings) { |
| settings->layer_transforms_should_scale_layer_contents = true; |
| } |
| |
| void LayerTreePixelTest::TryEndTest() { |
| if (!result_bitmap_) |
| return; |
| if (pending_texture_mailbox_callbacks_) |
| return; |
| LayerTreeTest::EndTest(); |
| } |
| |
| scoped_refptr<SolidColorLayer> LayerTreePixelTest:: |
| CreateSolidColorLayerWithBorder( |
| const gfx::Rect& rect, SkColor color, |
| int border_width, SkColor border_color) { |
| scoped_refptr<SolidColorLayer> layer = CreateSolidColorLayer(rect, color); |
| scoped_refptr<SolidColorLayer> border_top = CreateSolidColorLayer( |
| gfx::Rect(0, 0, rect.width(), border_width), border_color); |
| scoped_refptr<SolidColorLayer> border_left = CreateSolidColorLayer( |
| gfx::Rect(0, |
| border_width, |
| border_width, |
| rect.height() - border_width * 2), |
| border_color); |
| scoped_refptr<SolidColorLayer> border_right = |
| CreateSolidColorLayer(gfx::Rect(rect.width() - border_width, |
| border_width, |
| border_width, |
| rect.height() - border_width * 2), |
| border_color); |
| scoped_refptr<SolidColorLayer> border_bottom = CreateSolidColorLayer( |
| gfx::Rect(0, rect.height() - border_width, rect.width(), border_width), |
| border_color); |
| layer->AddChild(border_top); |
| layer->AddChild(border_left); |
| layer->AddChild(border_right); |
| layer->AddChild(border_bottom); |
| return layer; |
| } |
| |
| void LayerTreePixelTest::RunPixelTest(PixelTestType test_type, |
| scoped_refptr<Layer> content_root, |
| base::FilePath file_name) { |
| SetPixelTestType(test_type); |
| content_root_ = content_root; |
| readback_target_ = nullptr; |
| ref_file_ = file_name; |
| RunTest(CompositorMode::THREADED); |
| } |
| |
| void LayerTreePixelTest::RunPixelTest(PixelTestType test_type, |
| scoped_refptr<Layer> content_root, |
| const SkBitmap& expected_bitmap) { |
| SetPixelTestType(test_type); |
| content_root_ = content_root; |
| readback_target_ = nullptr; |
| ref_file_ = base::FilePath(); |
| expected_bitmap_ = expected_bitmap; |
| RunTest(CompositorMode::THREADED); |
| } |
| |
| void LayerTreePixelTest::RunPixelTestWithLayerList( |
| PixelTestType test_type, |
| scoped_refptr<Layer> root_layer, |
| base::FilePath file_name, |
| PropertyTrees* property_trees) { |
| SetPixelTestType(test_type); |
| content_root_ = root_layer; |
| property_trees_ = property_trees; |
| readback_target_ = nullptr; |
| ref_file_ = file_name; |
| RunTest(CompositorMode::THREADED); |
| } |
| |
| void LayerTreePixelTest::InitializeForLayerListMode( |
| scoped_refptr<Layer>* root_layer, |
| PropertyTrees* property_trees) { |
| ClipNode clip_node; |
| property_trees->clip_tree.Insert(clip_node, 0); |
| |
| EffectNode root_effect; |
| root_effect.clip_id = 1; |
| root_effect.stable_id = 1; |
| root_effect.transform_id = 1; |
| root_effect.has_render_surface = true; |
| property_trees->effect_tree.Insert(root_effect, 0); |
| |
| ScrollNode scroll_node; |
| property_trees->scroll_tree.Insert(scroll_node, 0); |
| |
| TransformNode transform_node; |
| property_trees->transform_tree.Insert(transform_node, 0); |
| |
| *root_layer = Layer::Create(); |
| (*root_layer)->SetBounds(gfx::Size(100, 100)); |
| (*root_layer)->SetEffectTreeIndex(1); |
| (*root_layer)->SetClipTreeIndex(1); |
| (*root_layer)->SetScrollTreeIndex(1); |
| (*root_layer)->SetTransformTreeIndex(1); |
| (*root_layer) |
| ->set_property_tree_sequence_number(property_trees->sequence_number); |
| } |
| |
| void LayerTreePixelTest::RunSingleThreadedPixelTest( |
| PixelTestType test_type, |
| scoped_refptr<Layer> content_root, |
| base::FilePath file_name) { |
| SetPixelTestType(test_type); |
| content_root_ = content_root; |
| readback_target_ = nullptr; |
| ref_file_ = file_name; |
| RunTest(CompositorMode::SINGLE_THREADED); |
| } |
| |
| void LayerTreePixelTest::RunPixelTestWithReadbackTarget( |
| PixelTestType test_type, |
| scoped_refptr<Layer> content_root, |
| Layer* target, |
| base::FilePath file_name) { |
| SetPixelTestType(test_type); |
| content_root_ = content_root; |
| readback_target_ = target; |
| ref_file_ = file_name; |
| RunTest(CompositorMode::THREADED); |
| } |
| |
| void LayerTreePixelTest::SetupTree() { |
| if (property_trees_) { |
| layer_tree_host()->SetRootLayer(content_root_); |
| layer_tree_host()->SetPropertyTreesForTesting(property_trees_); |
| } else { |
| scoped_refptr<Layer> root = Layer::Create(); |
| root->SetBounds(content_root_->bounds()); |
| root->AddChild(content_root_); |
| layer_tree_host()->SetRootLayer(root); |
| } |
| LayerTreeTest::SetupTree(); |
| } |
| |
| SkBitmap LayerTreePixelTest::CopyMailboxToBitmap( |
| const gfx::Size& size, |
| const gpu::Mailbox& mailbox, |
| const gpu::SyncToken& sync_token, |
| const gfx::ColorSpace& color_space) { |
| SkBitmap bitmap; |
| std::unique_ptr<gpu::GLInProcessContext> context = |
| CreateTestInProcessContext(); |
| GLES2Interface* gl = context->GetImplementation(); |
| |
| if (sync_token.HasData()) |
| gl->WaitSyncTokenCHROMIUM(sync_token.GetConstData()); |
| |
| GLuint texture_id = gl->CreateAndConsumeTextureCHROMIUM(mailbox.name); |
| |
| GLuint fbo = 0; |
| gl->GenFramebuffers(1, &fbo); |
| gl->BindFramebuffer(GL_FRAMEBUFFER, fbo); |
| gl->FramebufferTexture2D( |
| GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture_id, 0); |
| EXPECT_EQ(static_cast<unsigned>(GL_FRAMEBUFFER_COMPLETE), |
| gl->CheckFramebufferStatus(GL_FRAMEBUFFER)); |
| |
| std::unique_ptr<uint8_t[]> pixels(new uint8_t[size.GetArea() * 4]); |
| gl->ReadPixels(0, |
| 0, |
| size.width(), |
| size.height(), |
| GL_RGBA, |
| GL_UNSIGNED_BYTE, |
| pixels.get()); |
| |
| gl->DeleteFramebuffers(1, &fbo); |
| gl->DeleteTextures(1, &texture_id); |
| |
| EXPECT_TRUE(color_space.IsValid()); |
| bitmap.allocPixels(SkImageInfo::MakeN32Premul(size.width(), size.height(), |
| color_space.ToSkColorSpace())); |
| |
| uint8_t* out_pixels = static_cast<uint8_t*>(bitmap.getPixels()); |
| |
| size_t row_bytes = size.width() * 4; |
| size_t total_bytes = size.height() * row_bytes; |
| for (size_t dest_y = 0; dest_y < total_bytes; dest_y += row_bytes) { |
| // Flip Y axis. |
| size_t src_y = total_bytes - dest_y - row_bytes; |
| // Swizzle OpenGL -> Skia byte order. |
| for (size_t x = 0; x < row_bytes; x += 4) { |
| out_pixels[dest_y + x + SK_R32_SHIFT/8] = pixels.get()[src_y + x + 0]; |
| out_pixels[dest_y + x + SK_G32_SHIFT/8] = pixels.get()[src_y + x + 1]; |
| out_pixels[dest_y + x + SK_B32_SHIFT/8] = pixels.get()[src_y + x + 2]; |
| out_pixels[dest_y + x + SK_A32_SHIFT/8] = pixels.get()[src_y + x + 3]; |
| } |
| } |
| |
| return bitmap; |
| } |
| |
| void LayerTreePixelTest::Finish() { |
| std::unique_ptr<gpu::GLInProcessContext> context = |
| CreateTestInProcessContext(); |
| GLES2Interface* gl = context->GetImplementation(); |
| gl->Finish(); |
| } |
| |
| } // namespace cc |