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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.h"
#include "cc/output/compositor_frame.h"
#include "cc/test/fake_output_surface_client.h"
#include "content/browser/compositor/browser_compositor_output_surface_proxy.h"
#include "content/browser/compositor/software_browser_compositor_output_surface.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/test/context_factories_for_test.h"
#include "ui/gfx/vsync_provider.h"
namespace {
class FakeVSyncProvider : public gfx::VSyncProvider {
public:
FakeVSyncProvider() : call_count_(0) {}
~FakeVSyncProvider() override {}
void GetVSyncParameters(const UpdateVSyncCallback& callback) override {
callback.Run(timebase_, interval_);
call_count_++;
}
int call_count() const { return call_count_; }
void set_timebase(base::TimeTicks timebase) { timebase_ = timebase; }
void set_interval(base::TimeDelta interval) { interval_ = interval; }
private:
base::TimeTicks timebase_;
base::TimeDelta interval_;
int call_count_;
DISALLOW_COPY_AND_ASSIGN(FakeVSyncProvider);
};
class FakeSoftwareOutputDevice : public cc::SoftwareOutputDevice {
public:
FakeSoftwareOutputDevice() : vsync_provider_(new FakeVSyncProvider()) {}
~FakeSoftwareOutputDevice() override {}
gfx::VSyncProvider* GetVSyncProvider() override {
return vsync_provider_.get();
}
private:
scoped_ptr<gfx::VSyncProvider> vsync_provider_;
DISALLOW_COPY_AND_ASSIGN(FakeSoftwareOutputDevice);
};
} // namespace
class SoftwareBrowserCompositorOutputSurfaceTest : public testing::Test {
public:
SoftwareBrowserCompositorOutputSurfaceTest();
~SoftwareBrowserCompositorOutputSurfaceTest() override;
void SetUp() override;
void TearDown() override;
scoped_ptr<content::BrowserCompositorOutputSurface> CreateSurface(
scoped_ptr<cc::SoftwareOutputDevice> device);
protected:
scoped_ptr<content::BrowserCompositorOutputSurface> output_surface_;
scoped_ptr<base::MessageLoop> message_loop_;
scoped_ptr<ui::Compositor> compositor_;
IDMap<content::BrowserCompositorOutputSurface> surface_map_;
scoped_refptr<content::BrowserCompositorOutputSurfaceProxy> surface_proxy_;
DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurfaceTest);
};
SoftwareBrowserCompositorOutputSurfaceTest::
SoftwareBrowserCompositorOutputSurfaceTest() {
// |message_loop_| is not used, but the main thread still has to exist for the
// compositor to use.
message_loop_.reset(new base::MessageLoopForUI);
}
SoftwareBrowserCompositorOutputSurfaceTest::
~SoftwareBrowserCompositorOutputSurfaceTest() {}
void SoftwareBrowserCompositorOutputSurfaceTest::SetUp() {
bool enable_pixel_output = false;
ui::ContextFactory* context_factory =
ui::InitializeContextFactoryForTests(enable_pixel_output);
compositor_.reset(new ui::Compositor(gfx::kNullAcceleratedWidget,
context_factory,
base::MessageLoopProxy::current()));
surface_proxy_ =
new content::BrowserCompositorOutputSurfaceProxy(&surface_map_);
}
void SoftwareBrowserCompositorOutputSurfaceTest::TearDown() {
output_surface_.reset();
compositor_.reset();
EXPECT_TRUE(surface_map_.IsEmpty());
surface_map_.Clear();
ui::TerminateContextFactoryForTests();
}
scoped_ptr<content::BrowserCompositorOutputSurface>
SoftwareBrowserCompositorOutputSurfaceTest::CreateSurface(
scoped_ptr<cc::SoftwareOutputDevice> device) {
return scoped_ptr<content::BrowserCompositorOutputSurface>(
new content::SoftwareBrowserCompositorOutputSurface(
surface_proxy_,
device.Pass(),
1,
&surface_map_,
compositor_->vsync_manager()));
}
TEST_F(SoftwareBrowserCompositorOutputSurfaceTest, NoVSyncProvider) {
cc::FakeOutputSurfaceClient output_surface_client;
scoped_ptr<cc::SoftwareOutputDevice> software_device(
new cc::SoftwareOutputDevice());
output_surface_ = CreateSurface(software_device.Pass());
CHECK(output_surface_->BindToClient(&output_surface_client));
cc::CompositorFrame frame;
output_surface_->SwapBuffers(&frame);
EXPECT_EQ(1, output_surface_client.swap_count());
EXPECT_EQ(NULL, output_surface_->software_device()->GetVSyncProvider());
}
TEST_F(SoftwareBrowserCompositorOutputSurfaceTest, VSyncProviderUpdates) {
cc::FakeOutputSurfaceClient output_surface_client;
scoped_ptr<cc::SoftwareOutputDevice> software_device(
new FakeSoftwareOutputDevice());
output_surface_ = CreateSurface(software_device.Pass());
CHECK(output_surface_->BindToClient(&output_surface_client));
FakeVSyncProvider* vsync_provider = static_cast<FakeVSyncProvider*>(
output_surface_->software_device()->GetVSyncProvider());
EXPECT_EQ(0, vsync_provider->call_count());
cc::CompositorFrame frame;
output_surface_->SwapBuffers(&frame);
EXPECT_EQ(1, output_surface_client.swap_count());
EXPECT_EQ(1, vsync_provider->call_count());
}
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