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// Copyright 2015 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/resources/resource_pool.h"
#include "base/run_loop.h"
#include "base/thread_task_runner_handle.h"
#include "cc/resources/resource_util.h"
#include "cc/resources/scoped_resource.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/fake_resource_provider.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class ResourcePoolTest : public testing::Test {
public:
void SetUp() override {
output_surface_ = FakeOutputSurface::Create3d();
ASSERT_TRUE(output_surface_->BindToClient(&output_surface_client_));
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ = FakeResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get());
task_runner_ = base::ThreadTaskRunnerHandle::Get();
resource_pool_ = ResourcePool::Create(resource_provider_.get(),
task_runner_.get(), GL_TEXTURE_2D);
}
protected:
FakeOutputSurfaceClient output_surface_client_;
scoped_ptr<FakeOutputSurface> output_surface_;
scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
scoped_ptr<ResourcePool> resource_pool_;
};
TEST_F(ResourcePoolTest, AcquireRelease) {
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
Resource* resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(size, resource->size());
EXPECT_EQ(format, resource->format());
EXPECT_TRUE(resource_provider_->CanLockForWrite(resource->id()));
resource_pool_->ReleaseResource(resource, 0u);
}
TEST_F(ResourcePoolTest, AccountingSingleResource) {
// Limits high enough to not be hit by this test.
size_t bytes_limit = 10 * 1024 * 1024;
size_t count_limit = 100;
resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
size_t resource_bytes =
ResourceUtil::UncheckedSizeInBytes<size_t>(size, format);
Resource* resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(resource_bytes, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(resource_bytes, resource_pool_->memory_usage_bytes());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(1u, resource_pool_->resource_count());
EXPECT_EQ(0u, resource_pool_->GetBusyResourceCountForTesting());
resource_pool_->ReleaseResource(resource, 0u);
EXPECT_EQ(resource_bytes, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(1u, resource_pool_->GetBusyResourceCountForTesting());
resource_pool_->CheckBusyResources();
EXPECT_EQ(resource_bytes, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(0u, resource_pool_->resource_count());
EXPECT_EQ(0u, resource_pool_->GetBusyResourceCountForTesting());
resource_pool_->SetResourceUsageLimits(0u, 0u);
resource_pool_->ReduceResourceUsage();
EXPECT_EQ(0u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
EXPECT_EQ(0u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(0u, resource_pool_->resource_count());
EXPECT_EQ(0u, resource_pool_->GetBusyResourceCountForTesting());
}
TEST_F(ResourcePoolTest, SimpleResourceReuse) {
// Limits high enough to not be hit by this test.
size_t bytes_limit = 10 * 1024 * 1024;
size_t count_limit = 100;
resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
Resource* resource = resource_pool_->AcquireResource(size, format);
resource_pool_->ReleaseResource(resource, 0u);
resource_pool_->CheckBusyResources();
EXPECT_EQ(1u, resource_provider_->num_resources());
// Same size/format should re-use resource.
resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(1u, resource_provider_->num_resources());
resource_pool_->ReleaseResource(resource, 0u);
resource_pool_->CheckBusyResources();
EXPECT_EQ(1u, resource_provider_->num_resources());
// Different size/format should alloate new resource.
resource = resource_pool_->AcquireResource(gfx::Size(50, 50), LUMINANCE_8);
EXPECT_EQ(2u, resource_provider_->num_resources());
resource_pool_->ReleaseResource(resource, 0u);
resource_pool_->CheckBusyResources();
EXPECT_EQ(2u, resource_provider_->num_resources());
}
TEST_F(ResourcePoolTest, LostResource) {
// Limits high enough to not be hit by this test.
size_t bytes_limit = 10 * 1024 * 1024;
size_t count_limit = 100;
resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
Resource* resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(1u, resource_provider_->num_resources());
resource_provider_->LoseResourceForTesting(resource->id());
resource_pool_->ReleaseResource(resource, 0u);
resource_pool_->CheckBusyResources();
EXPECT_EQ(0u, resource_provider_->num_resources());
}
TEST_F(ResourcePoolTest, BusyResourcesEventuallyFreed) {
// Limits high enough to not be hit by this test.
size_t bytes_limit = 10 * 1024 * 1024;
size_t count_limit = 100;
resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
// Set a quick resource expiration delay so that this test doesn't take long
// to run.
resource_pool_->SetResourceExpirationDelayForTesting(
base::TimeDelta::FromMilliseconds(10));
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
Resource* resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(1u, resource_provider_->num_resources());
EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(1u, resource_pool_->resource_count());
resource_pool_->ReleaseResource(resource, 0u);
EXPECT_EQ(1u, resource_provider_->num_resources());
EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
EXPECT_EQ(1u, resource_pool_->GetBusyResourceCountForTesting());
// Wait for our resource pool to evict resources. We expect resources to be
// released within 10 ms, give the thread up to 200.
base::RunLoop run_loop;
task_runner_->PostDelayedTask(FROM_HERE, run_loop.QuitClosure(),
base::TimeDelta::FromMillisecondsD(200));
run_loop.Run();
EXPECT_EQ(0u, resource_provider_->num_resources());
EXPECT_EQ(0u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
}
TEST_F(ResourcePoolTest, UnusedResourcesEventuallyFreed) {
// Limits high enough to not be hit by this test.
size_t bytes_limit = 10 * 1024 * 1024;
size_t count_limit = 100;
resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
// Set a quick resource expiration delay so that this test doesn't take long
// to run.
resource_pool_->SetResourceExpirationDelayForTesting(
base::TimeDelta::FromMilliseconds(100));
gfx::Size size(100, 100);
ResourceFormat format = RGBA_8888;
Resource* resource = resource_pool_->AcquireResource(size, format);
EXPECT_EQ(1u, resource_provider_->num_resources());
EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(1u, resource_pool_->resource_count());
resource_pool_->ReleaseResource(resource, 0u);
EXPECT_EQ(1u, resource_provider_->num_resources());
EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(1u, resource_pool_->GetBusyResourceCountForTesting());
// Transfer the resource from the busy pool to the unused pool.
resource_pool_->CheckBusyResources();
EXPECT_EQ(1u, resource_provider_->num_resources());
EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
EXPECT_EQ(0u, resource_pool_->resource_count());
EXPECT_EQ(0u, resource_pool_->GetBusyResourceCountForTesting());
// Wait for our resource pool to evict resources. We expect resources to be
// released within 100 ms, give the thread up to 200.
base::RunLoop run_loop;
task_runner_->PostDelayedTask(FROM_HERE, run_loop.QuitClosure(),
base::TimeDelta::FromMillisecondsD(200));
run_loop.Run();
EXPECT_EQ(0u, resource_provider_->num_resources());
EXPECT_EQ(0u, resource_pool_->GetTotalMemoryUsageForTesting());
}
} // namespace
} // namespace cc
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