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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 "cc/surfaces/surface.h"
#include "base/memory/ptr_util.h"
#include "cc/output/copy_output_result.h"
#include "cc/surfaces/local_surface_id_allocator.h"
#include "cc/surfaces/surface_dependency_tracker.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_factory_client.h"
#include "cc/surfaces/surface_manager.h"
#include "cc/test/begin_frame_args_test.h"
#include "cc/test/fake_external_begin_frame_source.h"
#include "cc/test/scheduler_test_common.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/size.h"
namespace cc {
namespace {
static constexpr FrameSinkId kArbitraryFrameSinkId(1, 1);
class FakeSurfaceFactoryClient : public SurfaceFactoryClient {
public:
FakeSurfaceFactoryClient() : begin_frame_source_(nullptr) {}
void ReturnResources(const ReturnedResourceArray& resources) override {}
void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override {
begin_frame_source_ = begin_frame_source;
}
BeginFrameSource* begin_frame_source() { return begin_frame_source_; }
private:
BeginFrameSource* begin_frame_source_;
};
TEST(SurfaceTest, SurfaceLifetime) {
SurfaceManager manager;
FakeSurfaceFactoryClient surface_factory_client;
SurfaceFactory factory(kArbitraryFrameSinkId, &manager,
&surface_factory_client);
LocalSurfaceId local_surface_id(6, base::UnguessableToken::Create());
SurfaceId surface_id(kArbitraryFrameSinkId, local_surface_id);
factory.SubmitCompositorFrame(local_surface_id, CompositorFrame(),
SurfaceFactory::DrawCallback());
EXPECT_TRUE(manager.GetSurfaceForId(surface_id));
factory.EvictSurface();
EXPECT_EQ(NULL, manager.GetSurfaceForId(surface_id));
}
TEST(SurfaceTest, SurfaceIds) {
for (size_t i = 0; i < 3; ++i) {
LocalSurfaceIdAllocator allocator;
LocalSurfaceId id1 = allocator.GenerateId();
LocalSurfaceId id2 = allocator.GenerateId();
EXPECT_NE(id1, id2);
}
}
void TestCopyResultCallback(bool* called,
std::unique_ptr<CopyOutputResult> result) {
*called = true;
}
// Test that CopyOutputRequests can outlive the current frame and be
// aggregated on the next frame.
TEST(SurfaceTest, CopyRequestLifetime) {
SurfaceManager manager;
FakeSurfaceFactoryClient surface_factory_client;
SurfaceFactory factory(kArbitraryFrameSinkId, &manager,
&surface_factory_client);
LocalSurfaceId local_surface_id(6, base::UnguessableToken::Create());
SurfaceId surface_id(kArbitraryFrameSinkId, local_surface_id);
CompositorFrame frame;
frame.render_pass_list.push_back(RenderPass::Create());
factory.SubmitCompositorFrame(local_surface_id, std::move(frame),
SurfaceFactory::DrawCallback());
Surface* surface = manager.GetSurfaceForId(surface_id);
ASSERT_TRUE(!!surface);
bool copy_called = false;
factory.RequestCopyOfSurface(CopyOutputRequest::CreateRequest(
base::Bind(&TestCopyResultCallback, ©_called)));
EXPECT_TRUE(manager.GetSurfaceForId(surface_id));
EXPECT_FALSE(copy_called);
CompositorFrame frame2;
frame2.render_pass_list.push_back(RenderPass::Create());
frame2.render_pass_list.back()->id = 1;
frame2.render_pass_list.push_back(RenderPass::Create());
frame2.render_pass_list.back()->id = 2;
factory.SubmitCompositorFrame(local_surface_id, std::move(frame2),
SurfaceFactory::DrawCallback());
// The copy request should stay on the Surface after a new frame is created.
EXPECT_FALSE(copy_called);
EXPECT_EQ(
1u,
surface->GetActiveFrame().render_pass_list.back()->copy_requests.size());
std::multimap<int, std::unique_ptr<CopyOutputRequest>> copy_requests;
surface->TakeCopyOutputRequests(©_requests);
EXPECT_EQ(1u, copy_requests.size());
// Last (root) pass should receive copy request.
ASSERT_EQ(1u, copy_requests.count(2));
EXPECT_FALSE(copy_called);
copy_requests.find(2)->second->SendEmptyResult();
EXPECT_TRUE(copy_called);
factory.EvictSurface();
}
} // namespace
} // namespace cc
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