cc/trees/layer_tree_host_pixeltest_on_demand_raster.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/append_quads_data.h"
   6 #include "cc/layers/content_layer_client.h"
   7 #include "cc/layers/picture_layer.h"
   8 #include "cc/layers/picture_layer_impl.h"
   9 #include "cc/quads/draw_quad.h"
  10 #include "cc/test/layer_tree_pixel_test.h"
  11 #include "cc/trees/layer_tree_impl.h"
  12 #include "third_party/skia/include/core/SkCanvas.h"
  13 #include "third_party/skia/include/core/SkColor.h"
  14 #include "ui/gfx/rect.h"
  15 #include "ui/gfx/rect_f.h"
  16
  17 #if !defined(OS_ANDROID)
  18
  19 namespace cc {
  20 namespace {
  21
  22 class LayerTreeHostOnDemandRasterPixelTest : public LayerTreePixelTest {
  23  public:
  24   virtual void InitializeSettings(LayerTreeSettings* settings) override {
  25     settings->impl_side_painting = true;
  26   }
  27
  28   virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) override {
  29     // Not enough memory available. Enforce on-demand rasterization.
  30     impl->SetMemoryPolicy(
  31         ManagedMemoryPolicy(1, gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
  32                             1000));
  33   }
  34
  35   virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
  36                                    bool result) override {
  37     // Find the PictureLayerImpl ask it to append quads to check their material.
  38     // The PictureLayerImpl is assumed to be the first child of the root layer
  39     // in the active tree.
  40     PictureLayerImpl* picture_layer = static_cast<PictureLayerImpl*>(
  41         host_impl->active_tree()->root_layer()->child_at(0));
  42
  43     scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  44
  45     AppendQuadsData data;
  46     picture_layer->AppendQuads(render_pass.get(), Occlusion(), &data);
  47
  48     for (const auto& quad : render_pass->quad_list)
  49       EXPECT_EQ(quad.material, DrawQuad::PICTURE_CONTENT);
  50
  51     // Triggers pixel readback and ends the test.
  52     LayerTreePixelTest::SwapBuffersOnThread(host_impl, result);
  53   }
  54
  55   void RunOnDemandRasterPixelTest();
  56 };
  57
  58 class BlueYellowLayerClient : public ContentLayerClient {
  59  public:
  60   explicit BlueYellowLayerClient(gfx::Rect layer_rect)
  61       : layer_rect_(layer_rect) {}
  62
  63   virtual void DidChangeLayerCanUseLCDText() override { }
  64
  65   virtual bool FillsBoundsCompletely() const override { return false; }
  66
  67   virtual void PaintContents(
  68       SkCanvas* canvas,
  69       const gfx::Rect& clip,
  70       ContentLayerClient::GraphicsContextStatus gc_status) override {
  71     SkPaint paint;
  72     paint.setColor(SK_ColorBLUE);
  73     canvas->drawRect(SkRect::MakeWH(layer_rect_.width(),
  74                                     layer_rect_.height() / 2),
  75                      paint);
  76
  77     paint.setColor(SK_ColorYELLOW);
  78     canvas->drawRect(
  79         SkRect::MakeXYWH(0,
  80                          layer_rect_.height() / 2,
  81                          layer_rect_.width(),
  82                          layer_rect_.height() / 2),
  83         paint);
  84   }
  85
  86  private:
  87   gfx::Rect layer_rect_;
  88 };
  89
  90 void LayerTreeHostOnDemandRasterPixelTest::RunOnDemandRasterPixelTest() {
  91   // Use multiple colors in a single layer to prevent bypassing on-demand
  92   // rasterization if a single solid color is detected in picture analysis.
  93   gfx::Rect layer_rect(200, 200);
  94   BlueYellowLayerClient client(layer_rect);
  95   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  96
  97   layer->SetIsDrawable(true);
  98   layer->SetBounds(layer_rect.size());
  99   layer->SetPosition(layer_rect.origin());
 100
 101   RunPixelTest(GL_WITH_BITMAP,
 102                layer,
 103                base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")));
 104 }
 105
 106 TEST_F(LayerTreeHostOnDemandRasterPixelTest, RasterPictureLayer) {
 107   RunOnDemandRasterPixelTest();
 108 }
 109
 110 class LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced
 111     : public LayerTreeHostOnDemandRasterPixelTest {
 112   virtual void InitializeSettings(LayerTreeSettings* settings) override {
 113     LayerTreeHostOnDemandRasterPixelTest::InitializeSettings(settings);
 114     settings->gpu_rasterization_forced = true;
 115   }
 116 };
 117
 118 TEST_F(LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced,
 119        RasterPictureLayer) {
 120   RunOnDemandRasterPixelTest();
 121 }
 122
 123 }  // namespace
 124 }  // namespace cc
 125
 126 #endif  // OS_ANDROID