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