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_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