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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/resource_provider.h"
#include "cc/resources/scoped_resource.h"
#include "cc/test/fake_display_list_raster_source.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/fake_picture_layer_tiling_client.h"
#include "cc/test/fake_resource_provider.h"
#include "cc/test/test_context_provider.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/tiles/picture_layer_tiling.h"
#include "cc/trees/layer_tree_settings.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),
context_provider_(TestContextProvider::Create()) {
output_surface_ = FakeOutputSurface::Create3d(context_provider_).Pass();
CHECK(output_surface_->BindToClient(&output_surface_client_));
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ = FakeResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get());
}
void SetUp() override {
LayerTreeSettings defaults;
picture_layer_tiling_client_.SetTileSize(gfx::Size(256, 256));
scoped_refptr<FakeDisplayListRasterSource> raster_source =
FakeDisplayListRasterSource::CreateFilled(
gfx::Size(256 * 50, 256 * 50));
picture_layer_tiling_ = PictureLayerTiling::Create(
PENDING_TREE, 1.f, raster_source, &picture_layer_tiling_client_,
defaults.tiling_interest_area_padding,
defaults.skewport_target_time_in_seconds,
defaults.skewport_extrapolation_limit_in_content_pixels);
picture_layer_tiling_->CreateAllTilesForTesting();
}
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 RunComputeTilePriorityRectsStationaryTest(
const std::string& test_name,
const gfx::Transform& transform) {
gfx::Rect viewport_rect(0, 0, 1024, 768);
timer_.Reset();
do {
picture_layer_tiling_->ComputeTilePriorityRects(
viewport_rect, 1.f, timer_.NumLaps() + 1, Occlusion());
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("compute_tile_priority_rects_stationary",
"",
test_name,
timer_.LapsPerSecond(),
"runs/s",
true);
}
void RunComputeTilePriorityRectsScrollingTest(
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 offset_index = 0;
int offset_count = 0;
const int max_offset_count = 1000;
timer_.Reset();
do {
picture_layer_tiling_->ComputeTilePriorityRects(
viewport_rect, 1.f, timer_.NumLaps() + 1, Occlusion());
viewport_rect = gfx::Rect(viewport_rect.x() + xoffsets[offset_index],
viewport_rect.y() + yoffsets[offset_index],
viewport_rect.width(), viewport_rect.height());
if (++offset_count > max_offset_count) {
offset_count = 0;
offset_index = (offset_index + 1) % 4;
}
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("compute_tile_priority_rects_scrolling",
"",
test_name,
timer_.LapsPerSecond(),
"runs/s",
true);
}
private:
FakePictureLayerTilingClient picture_layer_tiling_client_;
scoped_ptr<PictureLayerTiling> picture_layer_tiling_;
LapTimer timer_;
scoped_refptr<ContextProvider> context_provider_;
FakeOutputSurfaceClient output_surface_client_;
scoped_ptr<FakeOutputSurface> output_surface_;
scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
scoped_ptr<ResourceProvider> resource_provider_;
};
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_ComputeTilePriorityRects) {
#else
TEST_F(PictureLayerTilingPerfTest, ComputeTilePriorityRects) {
#endif // defined(OS_ANDROID)
gfx::Transform transform;
RunComputeTilePriorityRectsStationaryTest("no_transform", transform);
RunComputeTilePriorityRectsScrollingTest("no_transform", transform);
transform.Rotate(10);
RunComputeTilePriorityRectsStationaryTest("rotation", transform);
RunComputeTilePriorityRectsScrollingTest("rotation", transform);
transform.ApplyPerspectiveDepth(10);
RunComputeTilePriorityRectsStationaryTest("perspective", transform);
RunComputeTilePriorityRectsScrollingTest("perspective", transform);
}
} // namespace
} // namespace cc
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