src/cc/layers/picture_layer_impl_perftest.cc

   1 // Copyright 2014 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/picture_layer_impl.h"
   6
   7 #include "cc/test/fake_impl_proxy.h"
   8 #include "cc/test/fake_layer_tree_host_impl.h"
   9 #include "cc/test/fake_output_surface.h"
  10 #include "cc/test/fake_picture_layer_impl.h"
  11 #include "cc/test/fake_picture_pile_impl.h"
  12 #include "cc/test/impl_side_painting_settings.h"
  13 #include "cc/test/lap_timer.h"
  14 #include "cc/test/test_shared_bitmap_manager.h"
  15 #include "cc/trees/layer_tree_impl.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "testing/perf/perf_test.h"
  18
  19 namespace cc {
  20 namespace {
  21
  22 static const int kTimeLimitMillis = 2000;
  23 static const int kWarmupRuns = 5;
  24 static const int kTimeCheckInterval = 10;
  25
  26 class PictureLayerImplPerfTest : public testing::Test {
  27  public:
  28   PictureLayerImplPerfTest()
  29       : proxy_(base::MessageLoopProxy::current()),
  30         host_impl_(ImplSidePaintingSettings(),
  31                    &proxy_,
  32                    &shared_bitmap_manager_),
  33         timer_(kWarmupRuns,
  34                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  35                kTimeCheckInterval) {}
  36
  37   virtual void SetUp() OVERRIDE {
  38     host_impl_.InitializeRenderer(
  39         FakeOutputSurface::Create3d().PassAs<OutputSurface>());
  40   }
  41
  42   void SetupPendingTree(const gfx::Size& layer_bounds,
  43                         const gfx::Size& tile_size) {
  44     scoped_refptr<FakePicturePileImpl> pile =
  45         FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
  46     host_impl_.CreatePendingTree();
  47     LayerTreeImpl* pending_tree = host_impl_.pending_tree();
  48     pending_tree->DetachLayerTree();
  49
  50     scoped_ptr<FakePictureLayerImpl> pending_layer =
  51         FakePictureLayerImpl::CreateWithPile(pending_tree, 7, pile);
  52     pending_layer->SetDrawsContent(true);
  53     pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
  54
  55     pending_layer_ = static_cast<FakePictureLayerImpl*>(
  56         host_impl_.pending_tree()->LayerById(7));
  57     pending_layer_->DoPostCommitInitializationIfNeeded();
  58   }
  59
  60   void RunLayerRasterTileIteratorTest(const std::string& test_name,
  61                                       int num_tiles,
  62                                       const gfx::Size& viewport_size) {
  63     host_impl_.SetViewportSize(viewport_size);
  64     host_impl_.pending_tree()->UpdateDrawProperties();
  65
  66     timer_.Reset();
  67     do {
  68       int count = num_tiles;
  69       for (PictureLayerImpl::LayerRasterTileIterator it(pending_layer_, false);
  70            it && count;
  71            ++it) {
  72         --count;
  73       }
  74       timer_.NextLap();
  75     } while (!timer_.HasTimeLimitExpired());
  76
  77     perf_test::PrintResult("layer_raster_tile_iterator",
  78                            "",
  79                            test_name,
  80                            timer_.LapsPerSecond(),
  81                            "runs/s",
  82                            true);
  83   }
  84
  85  protected:
  86   TestSharedBitmapManager shared_bitmap_manager_;
  87   FakeImplProxy proxy_;
  88   FakeLayerTreeHostImpl host_impl_;
  89   FakePictureLayerImpl* pending_layer_;
  90   LapTimer timer_;
  91
  92  private:
  93   DISALLOW_COPY_AND_ASSIGN(PictureLayerImplPerfTest);
  94 };
  95
  96 TEST_F(PictureLayerImplPerfTest, LayerRasterTileIterator) {
  97   SetupPendingTree(gfx::Size(10000, 10000), gfx::Size(256, 256));
  98
  99   float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
 100
 101   pending_layer_->AddTiling(low_res_factor);
 102   pending_layer_->AddTiling(0.3f);
 103   pending_layer_->AddTiling(0.7f);
 104   pending_layer_->AddTiling(1.0f);
 105   pending_layer_->AddTiling(2.0f);
 106
 107   RunLayerRasterTileIteratorTest("32_100x100", 32, gfx::Size(100, 100));
 108   RunLayerRasterTileIteratorTest("32_500x500", 32, gfx::Size(500, 500));
 109   RunLayerRasterTileIteratorTest("64_100x100", 64, gfx::Size(100, 100));
 110   RunLayerRasterTileIteratorTest("64_500x500", 64, gfx::Size(500, 500));
 111 }
 112
 113 }  // namespace
 114 }  // namespace cc