blob: 209399dce1110e643a9fa4e2bbdfc2108a81b01b [file] [log] [blame]
// 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/trees/occlusion_tracker.h"
#include "base/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "cc/debug/lap_timer.h"
#include "cc/layers/layer_iterator.h"
#include "cc/layers/solid_color_layer_impl.h"
#include "cc/test/fake_layer_tree_host_impl_client.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_proxy.h"
#include "cc/test/fake_rendering_stats_instrumentation.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/layer_tree_host_impl.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/single_thread_proxy.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 OcclusionTrackerPerfTest : public testing::Test {
public:
OcclusionTrackerPerfTest()
: timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval),
proxy_(base::ThreadTaskRunnerHandle::Get(), nullptr),
impl_(&proxy_) {}
void CreateHost() {
LayerTreeSettings settings;
host_impl_ = LayerTreeHostImpl::Create(settings, &client_, &proxy_, &stats_,
&shared_bitmap_manager_, nullptr,
&task_graph_runner_, 1);
host_impl_->InitializeRenderer(FakeOutputSurface::Create3d());
scoped_ptr<LayerImpl> root_layer = LayerImpl::Create(active_tree(), 1);
root_layer->SetHasRenderSurface(true);
active_tree()->SetRootLayer(root_layer.Pass());
}
LayerTreeImpl* active_tree() { return host_impl_->active_tree(); }
void SetTestName(const std::string& name) { test_name_ = name; }
void PrintResults() {
CHECK(!test_name_.empty()) << "Must SetTestName() before AfterTest().";
perf_test::PrintResult("occlusion_tracker_time",
"",
test_name_,
1000 * timer_.MsPerLap(),
"us",
true);
}
protected:
LapTimer timer_;
std::string test_name_;
FakeLayerTreeHostImplClient client_;
FakeProxy proxy_;
DebugScopedSetImplThread impl_;
FakeRenderingStatsInstrumentation stats_;
TestSharedBitmapManager shared_bitmap_manager_;
TestTaskGraphRunner task_graph_runner_;
scoped_ptr<LayerTreeHostImpl> host_impl_;
};
TEST_F(OcclusionTrackerPerfTest, UnoccludedContentRect_FullyOccluded) {
SetTestName("unoccluded_content_rect_fully_occluded");
gfx::Rect viewport_rect(768, 1038);
OcclusionTracker tracker(viewport_rect);
CreateHost();
host_impl_->SetViewportSize(viewport_rect.size());
scoped_ptr<SolidColorLayerImpl> opaque_layer =
SolidColorLayerImpl::Create(active_tree(), 2);
opaque_layer->SetBackgroundColor(SK_ColorRED);
opaque_layer->SetContentsOpaque(true);
opaque_layer->SetDrawsContent(true);
opaque_layer->SetBounds(viewport_rect.size());
active_tree()->root_layer()->AddChild(opaque_layer.Pass());
bool update_lcd_text = false;
active_tree()->UpdateDrawProperties(update_lcd_text);
const LayerImplList& rsll = active_tree()->RenderSurfaceLayerList();
ASSERT_EQ(1u, rsll.size());
EXPECT_EQ(1u, rsll[0]->render_surface()->layer_list().size());
LayerIterator begin = LayerIterator::Begin(&rsll);
LayerIterator end = LayerIterator::End(&rsll);
LayerIteratorPosition pos = begin;
// The opaque_layer adds occlusion over the whole viewport.
tracker.EnterLayer(pos);
tracker.LeaveLayer(pos);
gfx::Transform transform_to_target;
transform_to_target.Translate(0, 96);
do {
Occlusion occlusion =
tracker.GetCurrentOcclusionForLayer(transform_to_target);
for (int x = 0; x < viewport_rect.width(); x += 256) {
for (int y = 0; y < viewport_rect.height(); y += 256) {
gfx::Rect query_content_rect(x, y, 256, 256);
gfx::Rect unoccluded =
occlusion.GetUnoccludedContentRect(query_content_rect);
// Sanity test that we're not hitting early outs.
bool expect_empty =
query_content_rect.right() <= viewport_rect.width() &&
query_content_rect.bottom() + 96 <= viewport_rect.height();
CHECK_EQ(expect_empty, unoccluded.IsEmpty())
<< query_content_rect.ToString();
}
}
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
++begin;
LayerIteratorPosition next = begin;
EXPECT_EQ(active_tree()->root_layer(), next.current_layer);
++begin;
EXPECT_EQ(end, begin);
PrintResults();
}
TEST_F(OcclusionTrackerPerfTest, UnoccludedContentRect_10OpaqueLayers) {
static const int kNumOpaqueLayers = 10;
SetTestName("unoccluded_content_rect_10_opaque_layers");
gfx::Rect viewport_rect(768, 1038);
OcclusionTracker tracker(viewport_rect);
CreateHost();
host_impl_->SetViewportSize(viewport_rect.size());
for (int i = 0; i < kNumOpaqueLayers; ++i) {
scoped_ptr<SolidColorLayerImpl> opaque_layer =
SolidColorLayerImpl::Create(active_tree(), 2 + i);
opaque_layer->SetBackgroundColor(SK_ColorRED);
opaque_layer->SetContentsOpaque(true);
opaque_layer->SetDrawsContent(true);
opaque_layer->SetBounds(
gfx::Size(viewport_rect.width() / 2, viewport_rect.height() / 2));
opaque_layer->SetPosition(gfx::Point(i, i));
active_tree()->root_layer()->AddChild(opaque_layer.Pass());
}
bool update_lcd_text = false;
active_tree()->UpdateDrawProperties(update_lcd_text);
const LayerImplList& rsll = active_tree()->RenderSurfaceLayerList();
ASSERT_EQ(1u, rsll.size());
EXPECT_EQ(static_cast<size_t>(kNumOpaqueLayers),
rsll[0]->render_surface()->layer_list().size());
LayerIterator begin = LayerIterator::Begin(&rsll);
LayerIterator end = LayerIterator::End(&rsll);
// The opaque_layers add occlusion.
for (int i = 0; i < kNumOpaqueLayers - 1; ++i) {
LayerIteratorPosition pos = begin;
tracker.EnterLayer(pos);
tracker.LeaveLayer(pos);
++begin;
}
LayerIteratorPosition pos = begin;
tracker.EnterLayer(pos);
tracker.LeaveLayer(pos);
gfx::Transform transform_to_target;
transform_to_target.Translate(0, 96);
do {
Occlusion occlusion =
tracker.GetCurrentOcclusionForLayer(transform_to_target);
for (int x = 0; x < viewport_rect.width(); x += 256) {
for (int y = 0; y < viewport_rect.height(); y += 256) {
gfx::Rect query_content_rect(x, y, 256, 256);
gfx::Rect unoccluded =
occlusion.GetUnoccludedContentRect(query_content_rect);
}
}
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
++begin;
LayerIteratorPosition next = begin;
EXPECT_EQ(active_tree()->root_layer(), next.current_layer);
++begin;
EXPECT_EQ(end, begin);
PrintResults();
}
} // namespace
} // namespace cc