cc/layers/layer_perftest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/layers/layer.h"
   6
   7 #include "base/thread_task_runner_handle.h"
   8 #include "cc/debug/lap_timer.h"
   9 #include "cc/test/fake_impl_proxy.h"
  10 #include "cc/test/fake_layer_tree_host.h"
  11 #include "cc/test/fake_layer_tree_host_client.h"
  12 #include "cc/test/fake_layer_tree_host_impl.h"
  13 #include "cc/test/test_task_graph_runner.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "testing/perf/perf_test.h"
  16
  17 namespace cc {
  18 namespace {
  19
  20 static const int kTimeLimitMillis = 3000;
  21 static const int kWarmupRuns = 5;
  22 static const int kTimeCheckInterval = 10;
  23
  24 class LayerPerfTest : public testing::Test {
  25  public:
  26   LayerPerfTest()
  27       : host_impl_(&proxy_, &shared_bitmap_manager_, &task_graph_runner_),
  28         fake_client_(FakeLayerTreeHostClient::DIRECT_3D),
  29         timer_(kWarmupRuns,
  30                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  31                kTimeCheckInterval) {}
  32
  33  protected:
  34   void SetUp() override {
  35     layer_tree_host_ =
  36         FakeLayerTreeHost::Create(&fake_client_, &task_graph_runner_);
  37     layer_tree_host_->InitializeSingleThreaded(
  38         &fake_client_, base::ThreadTaskRunnerHandle::Get(), nullptr);
  39   }
  40
  41   void TearDown() override {
  42     layer_tree_host_->SetRootLayer(nullptr);
  43     layer_tree_host_ = nullptr;
  44   }
  45
  46   FakeImplProxy proxy_;
  47   TestSharedBitmapManager shared_bitmap_manager_;
  48   TestTaskGraphRunner task_graph_runner_;
  49   FakeLayerTreeHostImpl host_impl_;
  50
  51   FakeLayerTreeHostClient fake_client_;
  52   scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
  53   LapTimer timer_;
  54 };
  55
  56 TEST_F(LayerPerfTest, PushPropertiesTo) {
  57   scoped_refptr<Layer> test_layer = Layer::Create(LayerSettings());
  58   scoped_ptr<LayerImpl> impl_layer =
  59       LayerImpl::Create(host_impl_.active_tree(), 1);
  60
  61   layer_tree_host_->SetRootLayer(test_layer);
  62
  63   float transform_origin_z = 0;
  64   bool scrollable = true;
  65   bool contents_opaque = true;
  66   bool double_sided = true;
  67   bool hide_layer_and_subtree = true;
  68   bool masks_to_bounds = true;
  69
  70   // Properties changed.
  71   timer_.Reset();
  72   do {
  73     test_layer->SetNeedsDisplayRect(gfx::Rect(5, 5));
  74     test_layer->SetTransformOrigin(gfx::Point3F(0.f, 0.f, transform_origin_z));
  75     test_layer->SetContentsOpaque(contents_opaque);
  76     test_layer->SetDoubleSided(double_sided);
  77     test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
  78     test_layer->SetMasksToBounds(masks_to_bounds);
  79     test_layer->SetScrollClipLayerId(scrollable ? test_layer->id()
  80                                                 : Layer::INVALID_ID);
  81     test_layer->PushPropertiesTo(impl_layer.get());
  82
  83     transform_origin_z += 0.01f;
  84     scrollable = !scrollable;
  85     contents_opaque = !contents_opaque;
  86     double_sided = !double_sided;
  87     hide_layer_and_subtree = !hide_layer_and_subtree;
  88     masks_to_bounds = !masks_to_bounds;
  89
  90     timer_.NextLap();
  91   } while (!timer_.HasTimeLimitExpired());
  92
  93   perf_test::PrintResult("push_properties_to",
  94                          "",
  95                          "props_changed",
  96                          timer_.LapsPerSecond(),
  97                          "runs/s",
  98                          true);
  99
 100   // Properties didn't change.
 101   timer_.Reset();
 102   do {
 103     test_layer->PushPropertiesTo(impl_layer.get());
 104     timer_.NextLap();
 105   } while (!timer_.HasTimeLimitExpired());
 106
 107   perf_test::PrintResult("push_properties_to",
 108                          "",
 109                          "props_didnt_change",
 110                          timer_.LapsPerSecond(),
 111                          "runs/s",
 112                          true);
 113 }
 114
 115
 116 }  // namespace
 117 }  // namespace cc