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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/resources/picture_pile_impl.h"
#include "cc/debug/lap_timer.h"
#include "cc/test/fake_picture_pile_impl.h"
#include "cc/test/fake_rendering_stats_instrumentation.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_test.h"
namespace cc {
namespace {
const int kTimeLimitMillis = 2000;
const int kWarmupRuns = 5;
const int kTimeCheckInterval = 10;
const int kTileSize = 100;
const int kLayerSize = 1000;
class PicturePileImplPerfTest : public testing::Test {
public:
PicturePileImplPerfTest()
: timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
void RunAnalyzeTest(const std::string& test_name, float contents_scale) {
scoped_refptr<PicturePileImpl> pile = FakePicturePileImpl::CreateFilledPile(
gfx::Size(kTileSize, kTileSize), gfx::Size(kLayerSize, kLayerSize));
// Content rect that will align with top-left tile at scale 1.0.
gfx::Rect content_rect(0, 0, kTileSize, kTileSize);
PicturePileImpl::Analysis analysis;
timer_.Reset();
do {
pile->AnalyzeInRect(content_rect, contents_scale, &analysis);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult(
"analyze", "", test_name, timer_.LapsPerSecond(), "runs/s", true);
}
void RunRasterTest(const std::string& test_name, float contents_scale) {
scoped_refptr<PicturePileImpl> pile = FakePicturePileImpl::CreateFilledPile(
gfx::Size(kTileSize, kTileSize), gfx::Size(kLayerSize, kLayerSize));
// Content rect that will align with top-left tile at scale 1.0.
gfx::Rect content_rect(0, 0, kTileSize, kTileSize);
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
bitmap.allocPixels();
SkCanvas canvas(bitmap);
FakeRenderingStatsInstrumentation rendering_stats_instrumentation;
timer_.Reset();
do {
pile->RasterToBitmap(&canvas,
content_rect,
contents_scale,
&rendering_stats_instrumentation);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult(
"raster", "", test_name, timer_.LapsPerSecond(), "runs/s", true);
}
private:
LapTimer timer_;
};
TEST_F(PicturePileImplPerfTest, Analyze) {
RunAnalyzeTest("1", 1.0f);
RunAnalyzeTest("4", 0.5f);
RunAnalyzeTest("100", 0.1f);
}
TEST_F(PicturePileImplPerfTest, Raster) {
RunRasterTest("1", 1.0f);
RunRasterTest("4", 0.5f);
RunRasterTest("100", 0.1f);
}
} // namespace
} // namespace cc
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