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// 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 "base/message_loop/message_loop_proxy.h"
#include "base/threading/simple_thread.h"
#include "cc/layers/delegated_frame_provider.h"
#include "cc/layers/delegated_frame_resource_collection.h"
#include "cc/layers/delegated_renderer_layer.h"
#include "cc/layers/layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/output/delegated_frame_data.h"
#include "cc/output/output_surface.h"
#include "cc/output/output_surface_client.h"
#include "cc/resources/resource_provider.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/test/fake_delegated_renderer_layer.h"
#include "cc/test/test_context_provider.h"
#include "cc/trees/layer_tree_host.h"
#include "cc/trees/layer_tree_host_client.h"
#include "cc/trees/layer_tree_host_single_thread_client.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/frame_time.h"
namespace cc {
namespace {
class NoMessageLoopOutputSurface : public OutputSurface {
public:
NoMessageLoopOutputSurface() : OutputSurface(TestContextProvider::Create()) {}
~NoMessageLoopOutputSurface() override {}
// OutputSurface overrides.
void SwapBuffers(CompositorFrame* frame) override {
DCHECK(client_);
client_->DidSwapBuffers();
client_->DidSwapBuffersComplete();
}
};
class LayerTreeHostNoMessageLoopTest
: public testing::Test,
public base::DelegateSimpleThread::Delegate,
public LayerTreeHostClient,
public LayerTreeHostSingleThreadClient {
public:
LayerTreeHostNoMessageLoopTest()
: did_initialize_output_surface_(false),
did_commit_(false),
did_commit_and_draw_frame_(false),
size_(100, 100),
no_loop_thread_(this, "LayerTreeHostNoMessageLoopTest") {}
virtual ~LayerTreeHostNoMessageLoopTest() {}
// LayerTreeHostClient overrides.
void WillBeginMainFrame(int frame_id) override {}
void BeginMainFrame(const BeginFrameArgs& args) override {}
void DidBeginMainFrame() override {}
void Layout() override {}
void ApplyViewportDeltas(const gfx::Vector2d& inner_delta,
const gfx::Vector2d& outer_delta,
const gfx::Vector2dF& elastic_overscroll_delta,
float page_scale,
float top_controls_delta) override {}
void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
float page_scale,
float top_controls_delta) override {}
void RequestNewOutputSurface(bool fallback) override {
layer_tree_host_->SetOutputSurface(
make_scoped_ptr<OutputSurface>(new NoMessageLoopOutputSurface));
}
void DidInitializeOutputSurface() override {
did_initialize_output_surface_ = true;
}
void WillCommit() override {}
void DidCommit() override { did_commit_ = true; }
void DidCommitAndDrawFrame() override { did_commit_and_draw_frame_ = true; }
void DidCompleteSwapBuffers() override {}
// LayerTreeHostSingleThreadClient overrides.
void DidPostSwapBuffers() override {}
void DidAbortSwapBuffers() override {}
void RunTest() {
no_loop_thread_.Start();
no_loop_thread_.Join();
}
// base::DelegateSimpleThread::Delegate override.
void Run() override {
ASSERT_FALSE(base::MessageLoopProxy::current().get());
RunTestWithoutMessageLoop();
EXPECT_FALSE(base::MessageLoopProxy::current().get());
}
protected:
virtual void RunTestWithoutMessageLoop() = 0;
void SetupLayerTreeHost() {
LayerTreeSettings settings;
settings.single_thread_proxy_scheduler = false;
layer_tree_host_ = LayerTreeHost::CreateSingleThreaded(
this, this, nullptr, nullptr, settings, nullptr, nullptr);
layer_tree_host_->SetViewportSize(size_);
layer_tree_host_->SetRootLayer(root_layer_);
}
void Composite() {
did_commit_ = false;
did_commit_and_draw_frame_ = false;
layer_tree_host_->Composite(gfx::FrameTime::Now());
EXPECT_TRUE(did_initialize_output_surface_);
EXPECT_TRUE(did_commit_);
EXPECT_TRUE(did_commit_and_draw_frame_);
}
void TearDownLayerTreeHost() {
// Explicit teardown to make failures easier to debug.
layer_tree_host_ = nullptr;
root_layer_ = nullptr;
}
// All protected member variables are accessed only on |no_loop_thread_|.
scoped_ptr<LayerTreeHost> layer_tree_host_;
scoped_refptr<Layer> root_layer_;
bool did_initialize_output_surface_;
bool did_commit_;
bool did_commit_and_draw_frame_;
gfx::Size size_;
private:
base::DelegateSimpleThread no_loop_thread_;
};
class LayerTreeHostNoMessageLoopSmokeTest
: public LayerTreeHostNoMessageLoopTest {
protected:
void RunTestWithoutMessageLoop() override {
gfx::Size size(100, 100);
// Set up root layer.
{
scoped_refptr<SolidColorLayer> solid_color_layer =
SolidColorLayer::Create();
solid_color_layer->SetBackgroundColor(SK_ColorRED);
solid_color_layer->SetBounds(size_);
solid_color_layer->SetIsDrawable(true);
root_layer_ = solid_color_layer;
}
SetupLayerTreeHost();
Composite();
TearDownLayerTreeHost();
}
};
TEST_F(LayerTreeHostNoMessageLoopSmokeTest, SmokeTest) {
RunTest();
}
class LayerTreeHostNoMessageLoopDelegatedLayer
: public LayerTreeHostNoMessageLoopTest,
public DelegatedFrameResourceCollectionClient {
protected:
void RunTestWithoutMessageLoop() override {
resource_collection_ = new DelegatedFrameResourceCollection;
frame_provider_ = new DelegatedFrameProvider(
resource_collection_.get(), CreateFrameDataWithResource(998));
root_layer_ = Layer::Create();
delegated_layer_ =
FakeDelegatedRendererLayer::Create(frame_provider_.get());
delegated_layer_->SetBounds(size_);
delegated_layer_->SetIsDrawable(true);
root_layer_->AddChild(delegated_layer_);
SetupLayerTreeHost();
// Draw first frame.
Composite();
// Prepare and draw second frame.
frame_provider_->SetFrameData(CreateFrameDataWithResource(999));
Composite();
// Resource from first frame should be returned.
CheckReturnedResource(1u);
TearDownLayerTreeHost();
delegated_layer_ = NULL;
frame_provider_ = NULL;
// Resource from second frame should be returned.
CheckReturnedResource(1u);
resource_collection_ = NULL;
}
// DelegatedFrameResourceCollectionClient overrides.
void UnusedResourcesAreAvailable() override {}
private:
scoped_ptr<DelegatedFrameData> CreateFrameDataWithResource(
ResourceProvider::ResourceId resource_id) {
scoped_ptr<DelegatedFrameData> frame(new DelegatedFrameData);
gfx::Rect frame_rect(size_);
scoped_ptr<RenderPass> root_pass(RenderPass::Create());
root_pass->SetNew(
RenderPassId(1, 1), frame_rect, frame_rect, gfx::Transform());
frame->render_pass_list.push_back(root_pass.Pass());
TransferableResource resource;
resource.id = resource_id;
resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
resource.mailbox_holder.mailbox = gpu::Mailbox::Generate();
frame->resource_list.push_back(resource);
return frame.Pass();
}
void CheckReturnedResource(size_t expected_num) {
ReturnedResourceArray returned_resources;
resource_collection_->TakeUnusedResourcesForChildCompositor(
&returned_resources);
EXPECT_EQ(expected_num, returned_resources.size());
}
scoped_refptr<DelegatedFrameResourceCollection> resource_collection_;
scoped_refptr<DelegatedFrameProvider> frame_provider_;
scoped_refptr<DelegatedRendererLayer> delegated_layer_;
};
TEST_F(LayerTreeHostNoMessageLoopDelegatedLayer, SingleDelegatedLayer) {
RunTest();
}
} // namespace
} // namespace cc
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