content/renderer/gpu/render_widget_compositor_unittest.cc - chromium/src - Git at Google

 // Copyright 2014 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 "content/renderer/gpu/render_widget_compositor.h"

 #include <utility>

 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/test/fake_layer_tree_frame_sink.h"
 #include "cc/test/test_context_provider.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/public/common/screen_info.h"
 #include "content/public/test/mock_render_thread.h"
 #include "content/renderer/render_widget.h"
 #include "content/test/fake_compositor_dependencies.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"

 using testing::AllOf;
 using testing::Field;

 namespace content {
 namespace {

 class StubRenderWidgetCompositorDelegate
     : public RenderWidgetCompositorDelegate {
  public:
   // RenderWidgetCompositorDelegate implementation.
   void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
                            const gfx::Vector2dF& outer_delta,
                            const gfx::Vector2dF& elastic_overscroll_delta,
                            float page_scale,
                            float top_controls_delta) override {}
   void RecordWheelAndTouchScrollingCount(bool has_scrolled_by_wheel,
                                          bool has_scrolled_by_touch) override {}
   void BeginMainFrame(double frame_time_sec) override {}
   void RequestNewLayerTreeFrameSink(
       bool fallback,
       const LayerTreeFrameSinkCallback& callback) override {
     callback.Run(nullptr);
   }
   void DidCommitAndDrawCompositorFrame() override {}
   void DidCommitCompositorFrame() override {}
   void DidCompletePageScaleAnimation() override {}
   void DidReceiveCompositorFrameAck() override {}
   bool IsClosing() const override { return false; }
   void RequestScheduleAnimation() override {}
   void UpdateVisualState() override {}
   void WillBeginCompositorFrame() override {}
   std::unique_ptr<cc::SwapPromise> RequestCopyOfOutputForLayoutTest(
       std::unique_ptr<cc::CopyOutputRequest> request) override {
     return nullptr;
   }
 };

 class FakeRenderWidgetCompositorDelegate
     : public StubRenderWidgetCompositorDelegate {
  public:
   FakeRenderWidgetCompositorDelegate() = default;

   void RequestNewLayerTreeFrameSink(
       bool fallback,
       const LayerTreeFrameSinkCallback& callback) override {
     EXPECT_EQ(num_requests_since_last_success_ >
                   RenderWidgetCompositor::
                       LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
               fallback);
     last_create_was_fallback_ = fallback;

     bool success = num_failures_ >= num_failures_before_success_;
     if (!success && use_null_layer_tree_frame_sink_) {
       callback.Run(std::unique_ptr<cc::LayerTreeFrameSink>());
       return;
     }

     auto context_provider = cc::TestContextProvider::Create();
     if (!success) {
       context_provider->UnboundTestContext3d()->loseContextCHROMIUM(
           GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
     }
     callback.Run(
         cc::FakeLayerTreeFrameSink::Create3d(std::move(context_provider)));
   }

   void add_success() {
     if (last_create_was_fallback_)
       ++num_fallback_successes_;
     else
       ++num_successes_;
     num_requests_since_last_success_ = 0;
   }
   int num_successes() const { return num_successes_; }
   int num_fallback_successes() const { return num_fallback_successes_; }

   void add_request() {
     ++num_requests_since_last_success_;
     ++num_requests_;
   }
   int num_requests() const { return num_requests_; }

   void add_failure() { ++num_failures_; }
   int num_failures() const { return num_failures_; }

   void set_num_failures_before_success(int n) {
     num_failures_before_success_ = n;
   }
   int num_failures_before_success() const {
     return num_failures_before_success_;
   }

   void set_use_null_layer_tree_frame_sink(bool u) {
     use_null_layer_tree_frame_sink_ = u;
   }
   bool use_null_layer_tree_frame_sink() const {
     return use_null_layer_tree_frame_sink_;
   }

  private:
   int num_requests_ = 0;
   int num_requests_since_last_success_ = 0;
   int num_failures_ = 0;
   int num_failures_before_success_ = 0;
   int num_fallback_successes_ = 0;
   int num_successes_ = 0;
   bool last_create_was_fallback_ = false;
   bool use_null_layer_tree_frame_sink_ = true;

   DISALLOW_COPY_AND_ASSIGN(FakeRenderWidgetCompositorDelegate);
 };

 // Verify that failing to create an output surface will cause the compositor
 // to attempt to repeatedly create another output surface.  After enough
 // failures, verify that it attempts to create a fallback output surface.
 // The use null output surface parameter allows testing whether failures
 // from RenderWidget (couldn't create an output surface) vs failures from
 // the compositor (couldn't bind the output surface) are handled identically.
 class RenderWidgetLayerTreeFrameSink : public RenderWidgetCompositor {
  public:
   RenderWidgetLayerTreeFrameSink(FakeRenderWidgetCompositorDelegate* delegate,
                                  CompositorDependencies* compositor_deps)
       : RenderWidgetCompositor(delegate, compositor_deps),
         delegate_(delegate) {}

   using RenderWidgetCompositor::Initialize;

   // Force a new output surface to be created.
   void SynchronousComposite() {
     layer_tree_host()->SetVisible(false);
     layer_tree_host()->ReleaseLayerTreeFrameSink();
     layer_tree_host()->SetVisible(true);

     base::TimeTicks some_time;
     layer_tree_host()->Composite(some_time);
   }

   void RequestNewLayerTreeFrameSink() override {
     delegate_->add_request();
     RenderWidgetCompositor::RequestNewLayerTreeFrameSink();
   }

   void DidInitializeLayerTreeFrameSink() override {
     delegate_->add_success();
     if (delegate_->num_requests() == expected_requests_) {
       EndTest();
     } else {
       RenderWidgetCompositor::DidInitializeLayerTreeFrameSink();
       // Post the synchronous composite task so that it is not called
       // reentrantly as a part of RequestNewLayerTreeFrameSink.
       base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE,
           base::Bind(&RenderWidgetLayerTreeFrameSink::SynchronousComposite,
                      base::Unretained(this)));
     }
   }

   void DidFailToInitializeLayerTreeFrameSink() override {
     delegate_->add_failure();
     if (delegate_->num_requests() == expected_requests_) {
       EndTest();
       return;
     }

     RenderWidgetCompositor::DidFailToInitializeLayerTreeFrameSink();
   }

   void SetUp(int expected_successes, int expected_fallback_succeses) {
     expected_successes_ = expected_successes;
     expected_fallback_successes_ = expected_fallback_succeses;
     expected_requests_ = delegate_->num_failures_before_success() +
                          expected_successes_ + expected_fallback_successes_;
   }

   void EndTest() { base::MessageLoop::current()->QuitWhenIdle(); }

   void AfterTest() {
     EXPECT_EQ(delegate_->num_failures_before_success(),
               delegate_->num_failures());
     EXPECT_EQ(expected_successes_, delegate_->num_successes());
     EXPECT_EQ(expected_fallback_successes_,
               delegate_->num_fallback_successes());
     EXPECT_EQ(expected_requests_, delegate_->num_requests());
   }

  private:
   FakeRenderWidgetCompositorDelegate* delegate_;
   int expected_successes_ = 0;
   int expected_fallback_successes_ = 0;
   int expected_requests_ = 0;

   DISALLOW_COPY_AND_ASSIGN(RenderWidgetLayerTreeFrameSink);
 };

 class RenderWidgetLayerTreeFrameSinkTest : public testing::Test {
  public:
   RenderWidgetLayerTreeFrameSinkTest()
       : render_widget_compositor_(&compositor_delegate_, &compositor_deps_) {
     auto animation_host = cc::AnimationHost::CreateMainInstance();

     ScreenInfo dummy_screen_info;
     const float initial_device_scale_factor = 1.f;

     auto layer_tree_host = RenderWidgetCompositor::CreateLayerTreeHost(
         &render_widget_compositor_, &render_widget_compositor_,
         animation_host.get(), &compositor_deps_, initial_device_scale_factor,
         dummy_screen_info);
     render_widget_compositor_.Initialize(std::move(layer_tree_host),
                                          std::move(animation_host));
   }

   void RunTest(bool use_null_layer_tree_frame_sink,
                int num_failures_before_success,
                int expected_successes,
                int expected_fallback_succeses) {
     compositor_delegate_.set_use_null_layer_tree_frame_sink(
         use_null_layer_tree_frame_sink);
     compositor_delegate_.set_num_failures_before_success(
         num_failures_before_success);
     render_widget_compositor_.SetUp(expected_successes,
                                     expected_fallback_succeses);
     render_widget_compositor_.SetVisible(true);
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&RenderWidgetLayerTreeFrameSink::SynchronousComposite,
                    base::Unretained(&render_widget_compositor_)));
     base::RunLoop().Run();
     render_widget_compositor_.AfterTest();
   }

  protected:
   base::MessageLoop ye_olde_message_loope_;
   MockRenderThread render_thread_;
   FakeCompositorDependencies compositor_deps_;
   FakeRenderWidgetCompositorDelegate compositor_delegate_;
   RenderWidgetLayerTreeFrameSink render_widget_compositor_;

  private:
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetLayerTreeFrameSinkTest);
 };

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, SucceedOnce) {
   RunTest(false, 0, 1, 0);
 }

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, SucceedTwice) {
   RunTest(false, 0, 2, 0);
 }

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, FailOnceNull) {
   static_assert(
       RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK >=
           2,
       "Adjust the values of this test if this fails");
   RunTest(true, 1, 1, 0);
 }

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, FailOnceBind) {
   static_assert(
       RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK >=
           2,
       "Adjust the values of this test if this fails");
   RunTest(false, 1, 1, 0);
 }

 // Android doesn't support fallback frame sinks. (crbug.com/721102)
 #ifndef OS_ANDROID
 TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessNull) {
   RunTest(true,
           RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
           0, 1);
 }

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessBind) {
   RunTest(false,
           RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
           0, 1);
 }

 TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessNormalSuccess) {
   // The first success is a fallback, but the next should not be a fallback.
   RunTest(false,
           RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
           1, 1);
 }
 #endif

 }  // namespace
 }  // namespace content
	// Copyright 2014 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 "content/renderer/gpu/render_widget_compositor.h"

	#include <utility>

	#include "base/location.h"
	#include "base/macros.h"
	#include "base/memory/ptr_util.h"
	#include "base/message_loop/message_loop.h"
	#include "base/run_loop.h"
	#include "base/single_thread_task_runner.h"
	#include "base/threading/thread_task_runner_handle.h"
	#include "cc/animation/animation_host.h"
	#include "cc/output/begin_frame_args.h"
	#include "cc/output/copy_output_request.h"
	#include "cc/test/fake_layer_tree_frame_sink.h"
	#include "cc/test/test_context_provider.h"
	#include "cc/test/test_web_graphics_context_3d.h"
	#include "cc/trees/layer_tree_host.h"
	#include "content/public/common/screen_info.h"
	#include "content/public/test/mock_render_thread.h"
	#include "content/renderer/render_widget.h"
	#include "content/test/fake_compositor_dependencies.h"
	#include "gpu/GLES2/gl2extchromium.h"
	#include "testing/gmock/include/gmock/gmock.h"
	#include "testing/gtest/include/gtest/gtest.h"

	using testing::AllOf;
	using testing::Field;

	namespace content {
	namespace {

	class StubRenderWidgetCompositorDelegate
	: public RenderWidgetCompositorDelegate {
	public:
	// RenderWidgetCompositorDelegate implementation.
	void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
	const gfx::Vector2dF& outer_delta,
	const gfx::Vector2dF& elastic_overscroll_delta,
	float page_scale,
	float top_controls_delta) override {}
	void RecordWheelAndTouchScrollingCount(bool has_scrolled_by_wheel,
	bool has_scrolled_by_touch) override {}
	void BeginMainFrame(double frame_time_sec) override {}
	void RequestNewLayerTreeFrameSink(
	bool fallback,
	const LayerTreeFrameSinkCallback& callback) override {
	callback.Run(nullptr);
	}
	void DidCommitAndDrawCompositorFrame() override {}
	void DidCommitCompositorFrame() override {}
	void DidCompletePageScaleAnimation() override {}
	void DidReceiveCompositorFrameAck() override {}
	bool IsClosing() const override { return false; }
	void RequestScheduleAnimation() override {}
	void UpdateVisualState() override {}
	void WillBeginCompositorFrame() override {}
	std::unique_ptr<cc::SwapPromise> RequestCopyOfOutputForLayoutTest(
	std::unique_ptr<cc::CopyOutputRequest> request) override {
	return nullptr;
	}
	};

	class FakeRenderWidgetCompositorDelegate
	: public StubRenderWidgetCompositorDelegate {
	public:
	FakeRenderWidgetCompositorDelegate() = default;

	void RequestNewLayerTreeFrameSink(
	bool fallback,
	const LayerTreeFrameSinkCallback& callback) override {
	EXPECT_EQ(num_requests_since_last_success_ >
	RenderWidgetCompositor::
	LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
	fallback);
	last_create_was_fallback_ = fallback;

	bool success = num_failures_ >= num_failures_before_success_;
	if (!success && use_null_layer_tree_frame_sink_) {
	callback.Run(std::unique_ptr<cc::LayerTreeFrameSink>());
	return;
	}

	auto context_provider = cc::TestContextProvider::Create();
	if (!success) {
	context_provider->UnboundTestContext3d()->loseContextCHROMIUM(
	GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
	}
	callback.Run(
	cc::FakeLayerTreeFrameSink::Create3d(std::move(context_provider)));
	}

	void add_success() {
	if (last_create_was_fallback_)
	++num_fallback_successes_;
	else
	++num_successes_;
	num_requests_since_last_success_ = 0;
	}
	int num_successes() const { return num_successes_; }
	int num_fallback_successes() const { return num_fallback_successes_; }

	void add_request() {
	++num_requests_since_last_success_;
	++num_requests_;
	}
	int num_requests() const { return num_requests_; }

	void add_failure() { ++num_failures_; }
	int num_failures() const { return num_failures_; }

	void set_num_failures_before_success(int n) {
	num_failures_before_success_ = n;
	}
	int num_failures_before_success() const {
	return num_failures_before_success_;
	}

	void set_use_null_layer_tree_frame_sink(bool u) {
	use_null_layer_tree_frame_sink_ = u;
	}
	bool use_null_layer_tree_frame_sink() const {
	return use_null_layer_tree_frame_sink_;
	}

	private:
	int num_requests_ = 0;
	int num_requests_since_last_success_ = 0;
	int num_failures_ = 0;
	int num_failures_before_success_ = 0;
	int num_fallback_successes_ = 0;
	int num_successes_ = 0;
	bool last_create_was_fallback_ = false;
	bool use_null_layer_tree_frame_sink_ = true;

	DISALLOW_COPY_AND_ASSIGN(FakeRenderWidgetCompositorDelegate);
	};

	// Verify that failing to create an output surface will cause the compositor
	// to attempt to repeatedly create another output surface. After enough
	// failures, verify that it attempts to create a fallback output surface.
	// The use null output surface parameter allows testing whether failures
	// from RenderWidget (couldn't create an output surface) vs failures from
	// the compositor (couldn't bind the output surface) are handled identically.
	class RenderWidgetLayerTreeFrameSink : public RenderWidgetCompositor {
	public:
	RenderWidgetLayerTreeFrameSink(FakeRenderWidgetCompositorDelegate* delegate,
	CompositorDependencies* compositor_deps)
	: RenderWidgetCompositor(delegate, compositor_deps),
	delegate_(delegate) {}

	using RenderWidgetCompositor::Initialize;

	// Force a new output surface to be created.
	void SynchronousComposite() {
	layer_tree_host()->SetVisible(false);
	layer_tree_host()->ReleaseLayerTreeFrameSink();
	layer_tree_host()->SetVisible(true);

	base::TimeTicks some_time;
	layer_tree_host()->Composite(some_time);
	}

	void RequestNewLayerTreeFrameSink() override {
	delegate_->add_request();
	RenderWidgetCompositor::RequestNewLayerTreeFrameSink();
	}

	void DidInitializeLayerTreeFrameSink() override {
	delegate_->add_success();
	if (delegate_->num_requests() == expected_requests_) {
	EndTest();
	} else {
	RenderWidgetCompositor::DidInitializeLayerTreeFrameSink();
	// Post the synchronous composite task so that it is not called
	// reentrantly as a part of RequestNewLayerTreeFrameSink.
	base::ThreadTaskRunnerHandle::Get()->PostTask(
	FROM_HERE,
	base::Bind(&RenderWidgetLayerTreeFrameSink::SynchronousComposite,
	base::Unretained(this)));
	}
	}

	void DidFailToInitializeLayerTreeFrameSink() override {
	delegate_->add_failure();
	if (delegate_->num_requests() == expected_requests_) {
	EndTest();
	return;
	}

	RenderWidgetCompositor::DidFailToInitializeLayerTreeFrameSink();
	}

	void SetUp(int expected_successes, int expected_fallback_succeses) {
	expected_successes_ = expected_successes;
	expected_fallback_successes_ = expected_fallback_succeses;
	expected_requests_ = delegate_->num_failures_before_success() +
	expected_successes_ + expected_fallback_successes_;
	}

	void EndTest() { base::MessageLoop::current()->QuitWhenIdle(); }

	void AfterTest() {
	EXPECT_EQ(delegate_->num_failures_before_success(),
	delegate_->num_failures());
	EXPECT_EQ(expected_successes_, delegate_->num_successes());
	EXPECT_EQ(expected_fallback_successes_,
	delegate_->num_fallback_successes());
	EXPECT_EQ(expected_requests_, delegate_->num_requests());
	}

	private:
	FakeRenderWidgetCompositorDelegate* delegate_;
	int expected_successes_ = 0;
	int expected_fallback_successes_ = 0;
	int expected_requests_ = 0;

	DISALLOW_COPY_AND_ASSIGN(RenderWidgetLayerTreeFrameSink);
	};

	class RenderWidgetLayerTreeFrameSinkTest : public testing::Test {
	public:
	RenderWidgetLayerTreeFrameSinkTest()
	: render_widget_compositor_(&compositor_delegate_, &compositor_deps_) {
	auto animation_host = cc::AnimationHost::CreateMainInstance();

	ScreenInfo dummy_screen_info;
	const float initial_device_scale_factor = 1.f;

	auto layer_tree_host = RenderWidgetCompositor::CreateLayerTreeHost(
	&render_widget_compositor_, &render_widget_compositor_,
	animation_host.get(), &compositor_deps_, initial_device_scale_factor,
	dummy_screen_info);
	render_widget_compositor_.Initialize(std::move(layer_tree_host),
	std::move(animation_host));
	}

	void RunTest(bool use_null_layer_tree_frame_sink,
	int num_failures_before_success,
	int expected_successes,
	int expected_fallback_succeses) {
	compositor_delegate_.set_use_null_layer_tree_frame_sink(
	use_null_layer_tree_frame_sink);
	compositor_delegate_.set_num_failures_before_success(
	num_failures_before_success);
	render_widget_compositor_.SetUp(expected_successes,
	expected_fallback_succeses);
	render_widget_compositor_.SetVisible(true);
	base::ThreadTaskRunnerHandle::Get()->PostTask(
	FROM_HERE,
	base::Bind(&RenderWidgetLayerTreeFrameSink::SynchronousComposite,
	base::Unretained(&render_widget_compositor_)));
	base::RunLoop().Run();
	render_widget_compositor_.AfterTest();
	}

	protected:
	base::MessageLoop ye_olde_message_loope_;
	MockRenderThread render_thread_;
	FakeCompositorDependencies compositor_deps_;
	FakeRenderWidgetCompositorDelegate compositor_delegate_;
	RenderWidgetLayerTreeFrameSink render_widget_compositor_;

	private:
	DISALLOW_COPY_AND_ASSIGN(RenderWidgetLayerTreeFrameSinkTest);
	};

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, SucceedOnce) {
	RunTest(false, 0, 1, 0);
	}

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, SucceedTwice) {
	RunTest(false, 0, 2, 0);
	}

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, FailOnceNull) {
	static_assert(
	RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK >=
	2,
	"Adjust the values of this test if this fails");
	RunTest(true, 1, 1, 0);
	}

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, FailOnceBind) {
	static_assert(
	RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK >=
	2,
	"Adjust the values of this test if this fails");
	RunTest(false, 1, 1, 0);
	}

	// Android doesn't support fallback frame sinks. (crbug.com/721102)
	#ifndef OS_ANDROID
	TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessNull) {
	RunTest(true,
	RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
	0, 1);
	}

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessBind) {
	RunTest(false,
	RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
	0, 1);
	}

	TEST_F(RenderWidgetLayerTreeFrameSinkTest, FallbackSuccessNormalSuccess) {
	// The first success is a fallback, but the next should not be a fallback.
	RunTest(false,
	RenderWidgetCompositor::LAYER_TREE_FRAME_SINK_RETRIES_BEFORE_FALLBACK,
	1, 1);
	}
	#endif

	} // namespace
	} // namespace content