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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/debug/lap_timer.h"
#include "cc/resources/picture_layer_tiling.h"
#include "cc/test/fake_picture_layer_tiling_client.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 PictureLayerTilingPerfTest : public testing::Test {
public:
PictureLayerTilingPerfTest()
: timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
virtual void SetUp() OVERRIDE {
picture_layer_tiling_client_.SetTileSize(gfx::Size(256, 256));
picture_layer_tiling_client_.set_max_tiles_for_interest_area(250);
picture_layer_tiling_ = PictureLayerTiling::Create(
1, gfx::Size(256 * 50, 256 * 50), &picture_layer_tiling_client_);
picture_layer_tiling_->CreateAllTilesForTesting();
}
virtual void TearDown() OVERRIDE {
picture_layer_tiling_.reset(NULL);
}
void RunInvalidateTest(const std::string& test_name, const Region& region) {
timer_.Reset();
do {
picture_layer_tiling_->Invalidate(region);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult(
"invalidation", "", test_name, timer_.LapsPerSecond(), "runs/s", true);
}
void RunUpdateTilePrioritiesStationaryTest(const std::string& test_name,
const gfx::Transform& transform) {
gfx::Rect viewport_rect(0, 0, 1024, 768);
timer_.Reset();
do {
picture_layer_tiling_->UpdateTilePriorities(
ACTIVE_TREE, viewport_rect, 1.f, timer_.NumLaps() + 1);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("update_tile_priorities_stationary",
"",
test_name,
timer_.LapsPerSecond(),
"runs/s",
true);
}
void RunUpdateTilePrioritiesScrollingTest(const std::string& test_name,
const gfx::Transform& transform) {
gfx::Size viewport_size(1024, 768);
gfx::Rect viewport_rect(viewport_size);
int xoffsets[] = {10, 0, -10, 0};
int yoffsets[] = {0, 10, 0, -10};
int offsetIndex = 0;
int offsetCount = 0;
const int maxOffsetCount = 1000;
timer_.Reset();
do {
picture_layer_tiling_->UpdateTilePriorities(
ACTIVE_TREE, viewport_rect, 1.f, timer_.NumLaps() + 1);
viewport_rect = gfx::Rect(viewport_rect.x() + xoffsets[offsetIndex],
viewport_rect.y() + yoffsets[offsetIndex],
viewport_rect.width(),
viewport_rect.height());
if (++offsetCount > maxOffsetCount) {
offsetCount = 0;
offsetIndex = (offsetIndex + 1) % 4;
}
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("update_tile_priorities_scrolling",
"",
test_name,
timer_.LapsPerSecond(),
"runs/s",
true);
}
void RunTilingRasterTileIteratorTest(const std::string& test_name,
int num_tiles,
const gfx::Rect& viewport) {
gfx::Size bounds(10000, 10000);
picture_layer_tiling_ =
PictureLayerTiling::Create(1, bounds, &picture_layer_tiling_client_);
picture_layer_tiling_->UpdateTilePriorities(
ACTIVE_TREE, viewport, 1.0f, 1.0);
timer_.Reset();
do {
int count = num_tiles;
for (PictureLayerTiling::TilingRasterTileIterator it(
picture_layer_tiling_.get(), ACTIVE_TREE);
it && count;
++it) {
--count;
}
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("tiling_raster_tile_iterator",
"",
test_name,
timer_.LapsPerSecond(),
"runs/s",
true);
}
private:
FakePictureLayerTilingClient picture_layer_tiling_client_;
scoped_ptr<PictureLayerTiling> picture_layer_tiling_;
LapTimer timer_;
};
TEST_F(PictureLayerTilingPerfTest, Invalidate) {
Region one_tile(gfx::Rect(256, 256));
RunInvalidateTest("1x1", one_tile);
Region half_region(gfx::Rect(25 * 256, 50 * 256));
RunInvalidateTest("25x50", half_region);
Region full_region(gfx::Rect(50 * 256, 50 * 256));
RunInvalidateTest("50x50", full_region);
}
#if defined(OS_ANDROID)
// TODO(vmpstr): Investigate why this is noisy (crbug.com/310220).
TEST_F(PictureLayerTilingPerfTest, DISABLED_UpdateTilePriorities) {
#else
TEST_F(PictureLayerTilingPerfTest, UpdateTilePriorities) {
#endif // defined(OS_ANDROID)
gfx::Transform transform;
RunUpdateTilePrioritiesStationaryTest("no_transform", transform);
RunUpdateTilePrioritiesScrollingTest("no_transform", transform);
transform.Rotate(10);
RunUpdateTilePrioritiesStationaryTest("rotation", transform);
RunUpdateTilePrioritiesScrollingTest("rotation", transform);
transform.ApplyPerspectiveDepth(10);
RunUpdateTilePrioritiesStationaryTest("perspective", transform);
RunUpdateTilePrioritiesScrollingTest("perspective", transform);
}
TEST_F(PictureLayerTilingPerfTest, TilingRasterTileIterator) {
RunTilingRasterTileIteratorTest("32_100x100", 32, gfx::Rect(0, 0, 100, 100));
RunTilingRasterTileIteratorTest("32_500x500", 32, gfx::Rect(0, 0, 500, 500));
RunTilingRasterTileIteratorTest("64_100x100", 64, gfx::Rect(0, 0, 100, 100));
RunTilingRasterTileIteratorTest("64_500x500", 64, gfx::Rect(0, 0, 500, 500));
}
} // namespace
} // namespace cc
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