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