| // 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/pixel_test.h" |
| |
| #include "base/command_line.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/path_service.h" |
| #include "base/run_loop.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "cc/base/switches.h" |
| #include "cc/raster/raster_buffer_provider.h" |
| #include "cc/resources/layer_tree_resource_provider.h" |
| #include "cc/resources/resource_provider.h" |
| #include "cc/test/fake_output_surface_client.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/test/test_shared_bitmap_manager.h" |
| #include "components/viz/common/frame_sinks/begin_frame_source.h" |
| #include "components/viz/common/frame_sinks/copy_output_request.h" |
| #include "components/viz/common/frame_sinks/copy_output_result.h" |
| #include "components/viz/common/quads/compositor_frame_metadata.h" |
| #include "components/viz/service/display/gl_renderer.h" |
| #include "components/viz/service/display/output_surface_client.h" |
| #include "components/viz/service/display/software_output_device.h" |
| #include "components/viz/service/display/software_renderer.h" |
| #include "components/viz/test/paths.h" |
| #include "components/viz/test/test_gpu_memory_buffer_manager.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| |
| PixelTest::PixelTest() |
| : device_viewport_size_(gfx::Size(200, 200)), |
| disable_picture_quad_image_filtering_(false), |
| output_surface_client_(new FakeOutputSurfaceClient) { |
| // Keep texture sizes exactly matching the bounds of the RenderPass to avoid |
| // floating point badness in texcoords. |
| renderer_settings_.dont_round_texture_sizes_for_pixel_tests = true; |
| } |
| |
| PixelTest::~PixelTest() = default; |
| |
| bool PixelTest::RunPixelTest(viz::RenderPassList* pass_list, |
| const base::FilePath& ref_file, |
| const PixelComparator& comparator) { |
| return RunPixelTestWithReadbackTarget(pass_list, pass_list->back().get(), |
| ref_file, comparator); |
| } |
| |
| bool PixelTest::RunPixelTestWithReadbackTarget( |
| viz::RenderPassList* pass_list, |
| viz::RenderPass* target, |
| const base::FilePath& ref_file, |
| const PixelComparator& comparator) { |
| return RunPixelTestWithReadbackTargetAndArea( |
| pass_list, target, ref_file, comparator, nullptr); |
| } |
| |
| bool PixelTest::RunPixelTestWithReadbackTargetAndArea( |
| viz::RenderPassList* pass_list, |
| viz::RenderPass* target, |
| const base::FilePath& ref_file, |
| const PixelComparator& comparator, |
| const gfx::Rect* copy_rect) { |
| base::RunLoop run_loop; |
| |
| std::unique_ptr<viz::CopyOutputRequest> request = |
| std::make_unique<viz::CopyOutputRequest>( |
| viz::CopyOutputRequest::ResultFormat::RGBA_BITMAP, |
| base::BindOnce(&PixelTest::ReadbackResult, base::Unretained(this), |
| run_loop.QuitClosure())); |
| if (copy_rect) |
| request->set_area(*copy_rect); |
| target->copy_requests.push_back(std::move(request)); |
| |
| if (software_renderer_) { |
| software_renderer_->SetDisablePictureQuadImageFiltering( |
| disable_picture_quad_image_filtering_); |
| } |
| |
| renderer_->DecideRenderPassAllocationsForFrame(*pass_list); |
| float device_scale_factor = 1.f; |
| renderer_->DrawFrame(pass_list, device_scale_factor, device_viewport_size_); |
| |
| // Wait for the readback to complete. |
| if (output_surface_->context_provider()) |
| output_surface_->context_provider()->ContextGL()->Finish(); |
| run_loop.Run(); |
| |
| return PixelsMatchReference(ref_file, comparator); |
| } |
| |
| bool PixelTest::RunPixelTest(viz::RenderPassList* pass_list, |
| std::vector<SkColor>* ref_pixels, |
| const PixelComparator& comparator) { |
| base::RunLoop run_loop; |
| viz::RenderPass* target = pass_list->back().get(); |
| |
| std::unique_ptr<viz::CopyOutputRequest> request = |
| std::make_unique<viz::CopyOutputRequest>( |
| viz::CopyOutputRequest::ResultFormat::RGBA_BITMAP, |
| base::BindOnce(&PixelTest::ReadbackResult, base::Unretained(this), |
| run_loop.QuitClosure())); |
| target->copy_requests.push_back(std::move(request)); |
| |
| if (software_renderer_) { |
| software_renderer_->SetDisablePictureQuadImageFiltering( |
| disable_picture_quad_image_filtering_); |
| } |
| |
| renderer_->DecideRenderPassAllocationsForFrame(*pass_list); |
| float device_scale_factor = 1.f; |
| renderer_->DrawFrame(pass_list, device_scale_factor, device_viewport_size_); |
| |
| // Wait for the readback to complete. |
| if (output_surface_->context_provider()) |
| output_surface_->context_provider()->ContextGL()->Finish(); |
| run_loop.Run(); |
| |
| // Need to wrap |ref_pixels| in a SkBitmap. |
| DCHECK_EQ(ref_pixels->size(), static_cast<size_t>(result_bitmap_->width() * |
| result_bitmap_->height())); |
| SkBitmap ref_pixels_bitmap; |
| ref_pixels_bitmap.installPixels( |
| SkImageInfo::MakeN32Premul(result_bitmap_->width(), |
| result_bitmap_->height()), |
| ref_pixels->data(), result_bitmap_->width() * sizeof(SkColor)); |
| return comparator.Compare(*result_bitmap_, ref_pixels_bitmap); |
| } |
| |
| void PixelTest::ReadbackResult(base::Closure quit_run_loop, |
| 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()); |
| quit_run_loop.Run(); |
| } |
| |
| bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file, |
| const PixelComparator& comparator) { |
| base::FilePath test_data_dir; |
| if (!PathService::Get(viz::Paths::DIR_TEST_DATA, &test_data_dir)) |
| return false; |
| |
| // If this is false, we didn't set up a readback on a render pass. |
| if (!result_bitmap_) |
| return false; |
| |
| base::CommandLine* cmd = base::CommandLine::ForCurrentProcess(); |
| if (cmd->HasSwitch(switches::kCCRebaselinePixeltests)) |
| return WritePNGFile(*result_bitmap_, test_data_dir.Append(ref_file), true); |
| |
| return MatchesPNGFile( |
| *result_bitmap_, test_data_dir.Append(ref_file), comparator); |
| } |
| |
| void PixelTest::SetUpGLWithoutRenderer(bool flipped_output_surface) { |
| enable_pixel_output_ = std::make_unique<gl::DisableNullDrawGLBindings>(); |
| |
| auto context_provider = |
| base::MakeRefCounted<TestInProcessContextProvider>(nullptr); |
| output_surface_ = std::make_unique<PixelTestOutputSurface>( |
| std::move(context_provider), flipped_output_surface); |
| output_surface_->BindToClient(output_surface_client_.get()); |
| |
| shared_bitmap_manager_ = std::make_unique<TestSharedBitmapManager>(); |
| gpu_memory_buffer_manager_ = |
| std::make_unique<viz::TestGpuMemoryBufferManager>(); |
| resource_provider_ = std::make_unique<DisplayResourceProvider>( |
| output_surface_->context_provider(), shared_bitmap_manager_.get()); |
| |
| child_context_provider_ = |
| base::MakeRefCounted<TestInProcessContextProvider>(nullptr); |
| child_context_provider_->BindToCurrentThread(); |
| child_resource_provider_ = std::make_unique<LayerTreeResourceProvider>( |
| child_context_provider_.get(), shared_bitmap_manager_.get(), |
| gpu_memory_buffer_manager_.get(), true, |
| settings_.resource_settings); |
| } |
| |
| void PixelTest::SetUpGLRenderer(bool flipped_output_surface) { |
| SetUpGLWithoutRenderer(flipped_output_surface); |
| renderer_ = std::make_unique<viz::GLRenderer>( |
| &renderer_settings_, output_surface_.get(), resource_provider_.get(), |
| base::ThreadTaskRunnerHandle::Get()); |
| renderer_->Initialize(); |
| renderer_->SetVisible(true); |
| } |
| |
| void PixelTest::EnableExternalStencilTest() { |
| static_cast<PixelTestOutputSurface*>(output_surface_.get()) |
| ->set_has_external_stencil_test(true); |
| } |
| |
| void PixelTest::SetUpSoftwareRenderer() { |
| output_surface_.reset(new PixelTestOutputSurface( |
| std::make_unique<viz::SoftwareOutputDevice>())); |
| output_surface_->BindToClient(output_surface_client_.get()); |
| shared_bitmap_manager_.reset(new TestSharedBitmapManager()); |
| resource_provider_ = std::make_unique<DisplayResourceProvider>( |
| nullptr, shared_bitmap_manager_.get()); |
| child_resource_provider_ = std::make_unique<LayerTreeResourceProvider>( |
| nullptr, shared_bitmap_manager_.get(), nullptr, true, |
| settings_.resource_settings); |
| |
| auto renderer = std::make_unique<viz::SoftwareRenderer>( |
| &renderer_settings_, output_surface_.get(), resource_provider_.get()); |
| software_renderer_ = renderer.get(); |
| renderer_ = std::move(renderer); |
| renderer_->Initialize(); |
| renderer_->SetVisible(true); |
| } |
| |
| } // namespace cc |