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