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/resources/layer_painter.h"
  10 #include "cc/test/fake_impl_proxy.h"
  11 #include "cc/test/fake_layer_tree_host.h"
  12 #include "cc/test/fake_layer_tree_host_client.h"
  13 #include "cc/test/fake_layer_tree_host_impl.h"
  14 #include "cc/test/test_task_graph_runner.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16 #include "testing/perf/perf_test.h"
  17
  18 namespace cc {
  19 namespace {
  20
  21 static const int kTimeLimitMillis = 3000;
  22 static const int kWarmupRuns = 5;
  23 static const int kTimeCheckInterval = 10;
  24
  25 class MockLayerPainter : public LayerPainter {
  26  public:
  27   void Paint(SkCanvas* canvas, const gfx::Rect& content_rect) override {}
  28 };
  29
  30
  31 class LayerPerfTest : public testing::Test {
  32  public:
  33   LayerPerfTest()
  34       : host_impl_(&proxy_, &shared_bitmap_manager_, &task_graph_runner_),
  35         fake_client_(FakeLayerTreeHostClient::DIRECT_3D),
  36         timer_(kWarmupRuns,
  37                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  38                kTimeCheckInterval) {}
  39
  40  protected:
  41   void SetUp() override {
  42     layer_tree_host_ = FakeLayerTreeHost::Create(&fake_client_);
  43     layer_tree_host_->InitializeSingleThreaded(
  44         &fake_client_, base::ThreadTaskRunnerHandle::Get(), nullptr);
  45   }
  46
  47   void TearDown() override {
  48     layer_tree_host_->SetRootLayer(nullptr);
  49     layer_tree_host_ = nullptr;
  50   }
  51
  52   FakeImplProxy proxy_;
  53   TestSharedBitmapManager shared_bitmap_manager_;
  54   TestTaskGraphRunner task_graph_runner_;
  55   FakeLayerTreeHostImpl host_impl_;
  56
  57   FakeLayerTreeHostClient fake_client_;
  58   scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
  59   LapTimer timer_;
  60 };
  61
  62 TEST_F(LayerPerfTest, PushPropertiesTo) {
  63   scoped_refptr<Layer> test_layer = Layer::Create();
  64   scoped_ptr<LayerImpl> impl_layer =
  65       LayerImpl::Create(host_impl_.active_tree(), 1);
  66
  67   layer_tree_host_->SetRootLayer(test_layer);
  68
  69   float transform_origin_z = 0;
  70   bool scrollable = true;
  71   bool contents_opaque = true;
  72   bool double_sided = true;
  73   bool hide_layer_and_subtree = true;
  74   bool masks_to_bounds = true;
  75
  76   // Properties changed.
  77   timer_.Reset();
  78   do {
  79     test_layer->SetNeedsDisplayRect(gfx::Rect(5, 5));
  80     test_layer->SetTransformOrigin(gfx::Point3F(0.f, 0.f, transform_origin_z));
  81     test_layer->SetContentsOpaque(contents_opaque);
  82     test_layer->SetDoubleSided(double_sided);
  83     test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
  84     test_layer->SetMasksToBounds(masks_to_bounds);
  85     test_layer->SetScrollClipLayerId(scrollable ? test_layer->id()
  86                                                 : Layer::INVALID_ID);
  87     test_layer->PushPropertiesTo(impl_layer.get());
  88
  89     transform_origin_z += 0.01f;
  90     scrollable = !scrollable;
  91     contents_opaque = !contents_opaque;
  92     double_sided = !double_sided;
  93     hide_layer_and_subtree = !hide_layer_and_subtree;
  94     masks_to_bounds = !masks_to_bounds;
  95
  96     timer_.NextLap();
  97   } while (!timer_.HasTimeLimitExpired());
  98
  99   perf_test::PrintResult("push_properties_to",
 100                          "",
 101                          "props_changed",
 102                          timer_.LapsPerSecond(),
 103                          "runs/s",
 104                          true);
 105
 106   // Properties didn't change.
 107   timer_.Reset();
 108   do {
 109     test_layer->PushPropertiesTo(impl_layer.get());
 110     timer_.NextLap();
 111   } while (!timer_.HasTimeLimitExpired());
 112
 113   perf_test::PrintResult("push_properties_to",
 114                          "",
 115                          "props_didnt_change",
 116                          timer_.LapsPerSecond(),
 117                          "runs/s",
 118                          true);
 119 }
 120
 121
 122 }  // namespace
 123 }  // namespace cc