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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/layers/picture_layer_impl.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/fake_picture_pile_impl.h"
#include "cc/test/impl_side_painting_settings.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_test.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 2000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class PictureLayerImplPerfTest : public testing::Test {
public:
PictureLayerImplPerfTest()
: num_runs_(0),
proxy_(base::MessageLoopProxy::current()),
host_impl_(ImplSidePaintingSettings(),
&proxy_,
&shared_bitmap_manager_) {}
virtual void SetUp() OVERRIDE {
host_impl_.InitializeRenderer(
FakeOutputSurface::Create3d().PassAs<OutputSurface>());
}
void SetupPendingTree(const gfx::Size& layer_bounds,
const gfx::Size& tile_size) {
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
host_impl_.CreatePendingTree();
LayerTreeImpl* pending_tree = host_impl_.pending_tree();
pending_tree->DetachLayerTree();
scoped_ptr<FakePictureLayerImpl> pending_layer =
FakePictureLayerImpl::CreateWithPile(pending_tree, 7, pile);
pending_layer->SetDrawsContent(true);
pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
pending_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.pending_tree()->LayerById(7));
pending_layer_->DoPostCommitInitializationIfNeeded();
}
void EndTest() { elapsed_ = base::TimeTicks::HighResNow() - start_time_; }
bool DidRun() {
++num_runs_;
if (num_runs_ == kWarmupRuns)
start_time_ = base::TimeTicks::HighResNow();
if (!start_time_.is_null() && (num_runs_ % kTimeCheckInterval) == 0) {
base::TimeDelta elapsed = base::TimeTicks::HighResNow() - start_time_;
if (elapsed >= base::TimeDelta::FromMilliseconds(kTimeLimitMillis)) {
elapsed_ = elapsed;
return false;
}
}
return true;
}
void RunLayerRasterTileIteratorTest(const std::string& test_name,
int num_tiles,
const gfx::Size& viewport_size) {
start_time_ = base::TimeTicks();
num_runs_ = 0;
host_impl_.SetViewportSize(viewport_size);
host_impl_.pending_tree()->UpdateDrawProperties();
do {
int count = num_tiles;
for (PictureLayerImpl::LayerRasterTileIterator it(pending_layer_, false);
it && count;
++it) {
--count;
}
} while (DidRun());
perf_test::PrintResult("layer_raster_tile_iterator",
"",
test_name,
num_runs_ / elapsed_.InSecondsF(),
"runs/s",
true);
}
protected:
base::TimeTicks start_time_;
base::TimeDelta elapsed_;
int num_runs_;
TestSharedBitmapManager shared_bitmap_manager_;
FakeImplProxy proxy_;
FakeLayerTreeHostImpl host_impl_;
FakePictureLayerImpl* pending_layer_;
private:
DISALLOW_COPY_AND_ASSIGN(PictureLayerImplPerfTest);
};
TEST_F(PictureLayerImplPerfTest, LayerRasterTileIterator) {
SetupPendingTree(gfx::Size(10000, 10000), gfx::Size(256, 256));
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
pending_layer_->AddTiling(low_res_factor);
pending_layer_->AddTiling(0.3f);
pending_layer_->AddTiling(0.7f);
pending_layer_->AddTiling(1.0f);
pending_layer_->AddTiling(2.0f);
RunLayerRasterTileIteratorTest("32_100x100", 32, gfx::Size(100, 100));
RunLayerRasterTileIteratorTest("32_500x500", 32, gfx::Size(500, 500));
RunLayerRasterTileIteratorTest("64_100x100", 64, gfx::Size(100, 100));
RunLayerRasterTileIteratorTest("64_500x500", 64, gfx::Size(500, 500));
}
} // namespace
} // namespace cc
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