cc/layers/render_surface_unittest.cc

   1 // Copyright 2011 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/base/scoped_ptr_vector.h"
   6 #include "cc/layers/append_quads_data.h"
   7 #include "cc/layers/layer_impl.h"
   8 #include "cc/layers/render_pass_sink.h"
   9 #include "cc/layers/render_surface_impl.h"
  10 #include "cc/quads/shared_quad_state.h"
  11 #include "cc/test/fake_impl_proxy.h"
  12 #include "cc/test/fake_layer_tree_host_impl.h"
  13 #include "cc/test/geometry_test_utils.h"
  14 #include "cc/test/mock_occlusion_tracker.h"
  15 #include "cc/test/test_shared_bitmap_manager.h"
  16 #include "cc/test/test_task_graph_runner.h"
  17 #include "cc/trees/single_thread_proxy.h"
  18 #include "testing/gmock/include/gmock/gmock.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20 #include "ui/gfx/transform.h"
  21
  22 namespace cc {
  23 namespace {
  24
  25 #define EXECUTE_AND_VERIFY_SURFACE_CHANGED(code_to_test)                       \
  26   render_surface->ResetPropertyChangedFlag();                                  \
  27   code_to_test;                                                                \
  28   EXPECT_TRUE(render_surface->SurfacePropertyChanged())
  29
  30 #define EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(code_to_test)                \
  31   render_surface->ResetPropertyChangedFlag();                                  \
  32   code_to_test;                                                                \
  33   EXPECT_FALSE(render_surface->SurfacePropertyChanged())
  34
  35 TEST(RenderSurfaceTest, VerifySurfaceChangesAreTrackedProperly) {
  36   //
  37   // This test checks that SurfacePropertyChanged() has the correct behavior.
  38   //
  39
  40   FakeImplProxy proxy;
  41   TestSharedBitmapManager shared_bitmap_manager;
  42   TestTaskGraphRunner task_graph_runner;
  43   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
  44                                   &task_graph_runner);
  45   scoped_ptr<LayerImpl> owning_layer =
  46       LayerImpl::Create(host_impl.active_tree(), 1);
  47   owning_layer->SetHasRenderSurface(true);
  48   ASSERT_TRUE(owning_layer->render_surface());
  49   RenderSurfaceImpl* render_surface = owning_layer->render_surface();
  50   gfx::Rect test_rect(3, 4, 5, 6);
  51   owning_layer->ResetAllChangeTrackingForSubtree();
  52
  53   // Currently, the content_rect, clip_rect, and
  54   // owning_layer->layerPropertyChanged() are the only sources of change.
  55   EXECUTE_AND_VERIFY_SURFACE_CHANGED(render_surface->SetClipRect(test_rect));
  56   EXECUTE_AND_VERIFY_SURFACE_CHANGED(render_surface->SetContentRect(test_rect));
  57
  58   owning_layer->SetOpacity(0.5f);
  59   EXPECT_TRUE(render_surface->SurfacePropertyChanged());
  60   owning_layer->ResetAllChangeTrackingForSubtree();
  61
  62   // Setting the surface properties to the same values again should not be
  63   // considered "change".
  64   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
  65       render_surface->SetClipRect(test_rect));
  66   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
  67       render_surface->SetContentRect(test_rect));
  68
  69   scoped_ptr<LayerImpl> dummy_mask =
  70       LayerImpl::Create(host_impl.active_tree(), 2);
  71   gfx::Transform dummy_matrix;
  72   dummy_matrix.Translate(1.0, 2.0);
  73
  74   // The rest of the surface properties are either internal and should not cause
  75   // change, or they are already accounted for by the
  76   // owninglayer->layerPropertyChanged().
  77   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
  78       render_surface->SetDrawOpacity(0.5f));
  79   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
  80       render_surface->SetDrawTransform(dummy_matrix));
  81   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
  82       render_surface->SetReplicaDrawTransform(dummy_matrix));
  83   EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(render_surface->ClearLayerLists());
  84 }
  85
  86 TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectSharedQuadState) {
  87   FakeImplProxy proxy;
  88   TestSharedBitmapManager shared_bitmap_manager;
  89   TestTaskGraphRunner task_graph_runner;
  90   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
  91                                   &task_graph_runner);
  92   scoped_ptr<LayerImpl> root_layer =
  93       LayerImpl::Create(host_impl.active_tree(), 1);
  94
  95   scoped_ptr<LayerImpl> owning_layer =
  96       LayerImpl::Create(host_impl.active_tree(), 2);
  97   owning_layer->SetHasRenderSurface(true);
  98   ASSERT_TRUE(owning_layer->render_surface());
  99   owning_layer->draw_properties().render_target = owning_layer.get();
 100
 101   SkXfermode::Mode blend_mode = SkXfermode::kSoftLight_Mode;
 102   owning_layer->SetBlendMode(blend_mode);
 103   RenderSurfaceImpl* render_surface = owning_layer->render_surface();
 104
 105   root_layer->AddChild(owning_layer.Pass());
 106
 107   gfx::Rect content_rect(0, 0, 50, 50);
 108   gfx::Rect clip_rect(5, 5, 40, 40);
 109   gfx::Transform origin;
 110   origin.Translate(30, 40);
 111
 112   render_surface->SetContentRect(content_rect);
 113   render_surface->SetClipRect(clip_rect);
 114   render_surface->SetDrawOpacity(1.f);
 115
 116   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
 117   AppendQuadsData append_quads_data;
 118
 119   render_surface->AppendQuads(render_pass.get(), origin, Occlusion(),
 120                               SK_ColorBLACK, 1.f, nullptr, &append_quads_data,
 121                               RenderPassId(2, 0));
 122
 123   ASSERT_EQ(1u, render_pass->shared_quad_state_list.size());
 124   SharedQuadState* shared_quad_state =
 125       render_pass->shared_quad_state_list.front();
 126
 127   EXPECT_EQ(
 128       30.0,
 129       shared_quad_state->quad_to_target_transform.matrix().getDouble(0, 3));
 130   EXPECT_EQ(
 131       40.0,
 132       shared_quad_state->quad_to_target_transform.matrix().getDouble(1, 3));
 133   EXPECT_EQ(content_rect,
 134             gfx::Rect(shared_quad_state->visible_quad_layer_rect));
 135   EXPECT_EQ(1.f, shared_quad_state->opacity);
 136   EXPECT_EQ(blend_mode, shared_quad_state->blend_mode);
 137 }
 138
 139 class TestRenderPassSink : public RenderPassSink {
 140  public:
 141   void AppendRenderPass(scoped_ptr<RenderPass> render_pass) override {
 142     render_passes_.push_back(render_pass.Pass());
 143   }
 144
 145   const RenderPassList& RenderPasses() const {
 146     return render_passes_;
 147   }
 148
 149  private:
 150   RenderPassList render_passes_;
 151 };
 152
 153 TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectRenderPass) {
 154   FakeImplProxy proxy;
 155   TestSharedBitmapManager shared_bitmap_manager;
 156   TestTaskGraphRunner task_graph_runner;
 157   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
 158                                   &task_graph_runner);
 159   scoped_ptr<LayerImpl> root_layer =
 160       LayerImpl::Create(host_impl.active_tree(), 1);
 161
 162   scoped_ptr<LayerImpl> owning_layer =
 163       LayerImpl::Create(host_impl.active_tree(), 2);
 164   owning_layer->SetHasRenderSurface(true);
 165   ASSERT_TRUE(owning_layer->render_surface());
 166   owning_layer->draw_properties().render_target = owning_layer.get();
 167   RenderSurfaceImpl* render_surface = owning_layer->render_surface();
 168
 169   root_layer->AddChild(owning_layer.Pass());
 170
 171   gfx::Rect content_rect(0, 0, 50, 50);
 172   gfx::Transform origin;
 173   origin.Translate(30.0, 40.0);
 174
 175   render_surface->SetScreenSpaceTransform(origin);
 176   render_surface->SetContentRect(content_rect);
 177
 178   TestRenderPassSink pass_sink;
 179
 180   render_surface->AppendRenderPasses(&pass_sink);
 181
 182   ASSERT_EQ(1u, pass_sink.RenderPasses().size());
 183   RenderPass* pass = pass_sink.RenderPasses()[0];
 184
 185   EXPECT_EQ(RenderPassId(2, 0), pass->id);
 186   EXPECT_EQ(content_rect, pass->output_rect);
 187   EXPECT_EQ(origin, pass->transform_to_root_target);
 188 }
 189
 190 }  // namespace
 191 }  // namespace cc