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// 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/output/output_surface.h"
#include "base/test/test_simple_task_runner.h"
#include "cc/output/managed_memory_policy.h"
#include "cc/output/output_surface_client.h"
#include "cc/output/software_output_device.h"
#include "cc/test/begin_frame_args_test.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/test_context_provider.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/frame_time.h"
namespace cc {
namespace {
class TestOutputSurface : public OutputSurface {
public:
explicit TestOutputSurface(scoped_refptr<ContextProvider> context_provider)
: OutputSurface(context_provider) {}
TestOutputSurface(scoped_refptr<ContextProvider> context_provider,
scoped_refptr<ContextProvider> worker_context_provider)
: OutputSurface(worker_context_provider) {}
explicit TestOutputSurface(scoped_ptr<SoftwareOutputDevice> software_device)
: OutputSurface(software_device.Pass()) {}
TestOutputSurface(scoped_refptr<ContextProvider> context_provider,
scoped_ptr<SoftwareOutputDevice> software_device)
: OutputSurface(context_provider, software_device.Pass()) {}
void SwapBuffers(CompositorFrame* frame) override {
client_->DidSwapBuffers();
client_->DidSwapBuffersComplete();
}
void CommitVSyncParametersForTesting(base::TimeTicks timebase,
base::TimeDelta interval) {
CommitVSyncParameters(timebase, interval);
}
void DidSwapBuffersForTesting() { client_->DidSwapBuffers(); }
void OnSwapBuffersCompleteForTesting() { client_->DidSwapBuffersComplete(); }
protected:
};
class TestSoftwareOutputDevice : public SoftwareOutputDevice {
public:
TestSoftwareOutputDevice();
~TestSoftwareOutputDevice() override;
// Overriden from cc:SoftwareOutputDevice
void DiscardBackbuffer() override;
void EnsureBackbuffer() override;
int discard_backbuffer_count() { return discard_backbuffer_count_; }
int ensure_backbuffer_count() { return ensure_backbuffer_count_; }
private:
int discard_backbuffer_count_;
int ensure_backbuffer_count_;
};
TestSoftwareOutputDevice::TestSoftwareOutputDevice()
: discard_backbuffer_count_(0), ensure_backbuffer_count_(0) {}
TestSoftwareOutputDevice::~TestSoftwareOutputDevice() {}
void TestSoftwareOutputDevice::DiscardBackbuffer() {
SoftwareOutputDevice::DiscardBackbuffer();
discard_backbuffer_count_++;
}
void TestSoftwareOutputDevice::EnsureBackbuffer() {
SoftwareOutputDevice::EnsureBackbuffer();
ensure_backbuffer_count_++;
}
TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientSuccess) {
scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
TestOutputSurface output_surface(provider);
EXPECT_FALSE(output_surface.HasClient());
FakeOutputSurfaceClient client;
EXPECT_TRUE(output_surface.BindToClient(&client));
EXPECT_TRUE(output_surface.HasClient());
// Verify DidLoseOutputSurface callback is hooked up correctly.
EXPECT_FALSE(client.did_lose_output_surface_called());
output_surface.context_provider()->ContextGL()->LoseContextCHROMIUM(
GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
output_surface.context_provider()->ContextGL()->Flush();
EXPECT_TRUE(client.did_lose_output_surface_called());
}
TEST(OutputSurfaceTest, ClientPointerIndicatesWorkerBindToClientSuccess) {
scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
scoped_refptr<TestContextProvider> worker_provider =
TestContextProvider::Create();
TestOutputSurface output_surface(provider, worker_provider);
EXPECT_FALSE(output_surface.HasClient());
FakeOutputSurfaceClient client;
EXPECT_TRUE(output_surface.BindToClient(&client));
EXPECT_TRUE(output_surface.HasClient());
// Verify DidLoseOutputSurface callback is hooked up correctly.
EXPECT_FALSE(client.did_lose_output_surface_called());
output_surface.context_provider()->ContextGL()->LoseContextCHROMIUM(
GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
output_surface.context_provider()->ContextGL()->Flush();
EXPECT_TRUE(client.did_lose_output_surface_called());
}
TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientFailure) {
scoped_refptr<TestContextProvider> context_provider =
TestContextProvider::Create();
// Lose the context so BindToClient fails.
context_provider->UnboundTestContext3d()->set_context_lost(true);
TestOutputSurface output_surface(context_provider);
EXPECT_FALSE(output_surface.HasClient());
FakeOutputSurfaceClient client;
EXPECT_FALSE(output_surface.BindToClient(&client));
EXPECT_FALSE(output_surface.HasClient());
}
TEST(OutputSurfaceTest, ClientPointerIndicatesWorkerBindToClientFailure) {
scoped_refptr<TestContextProvider> context_provider =
TestContextProvider::Create();
scoped_refptr<TestContextProvider> worker_context_provider =
TestContextProvider::Create();
// Lose the context so BindToClient fails.
worker_context_provider->UnboundTestContext3d()->set_context_lost(true);
TestOutputSurface output_surface(context_provider, worker_context_provider);
EXPECT_FALSE(output_surface.HasClient());
FakeOutputSurfaceClient client;
EXPECT_FALSE(output_surface.BindToClient(&client));
EXPECT_FALSE(output_surface.HasClient());
}
TEST(OutputSurfaceTest, MemoryAllocation) {
scoped_refptr<TestContextProvider> context_provider =
TestContextProvider::Create();
TestOutputSurface output_surface(context_provider);
FakeOutputSurfaceClient client;
EXPECT_TRUE(output_surface.BindToClient(&client));
ManagedMemoryPolicy policy(0);
policy.bytes_limit_when_visible = 1234;
policy.priority_cutoff_when_visible =
gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY;
context_provider->SetMemoryAllocation(policy);
EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY,
client.memory_policy().priority_cutoff_when_visible);
policy.priority_cutoff_when_visible =
gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING;
context_provider->SetMemoryAllocation(policy);
EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
client.memory_policy().priority_cutoff_when_visible);
// 0 bytes limit should be ignored.
policy.bytes_limit_when_visible = 0;
context_provider->SetMemoryAllocation(policy);
EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
}
TEST(OutputSurfaceTest, SoftwareOutputDeviceBackbufferManagement) {
TestSoftwareOutputDevice* software_output_device =
new TestSoftwareOutputDevice();
// TestOutputSurface now owns software_output_device and has responsibility to
// free it.
TestOutputSurface output_surface(make_scoped_ptr(software_output_device));
EXPECT_EQ(0, software_output_device->ensure_backbuffer_count());
EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
output_surface.EnsureBackbuffer();
EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
output_surface.DiscardBackbuffer();
EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
EXPECT_EQ(1, software_output_device->discard_backbuffer_count());
}
} // namespace
} // namespace cc
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