render_surface_unittest.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
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
21namespace cc {
22namespace {
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
34TEST(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->CreateRenderSurface();
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
83TEST(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->CreateRenderSurface();
93  ASSERT_TRUE(owning_layer->render_surface());
94  owning_layer->draw_properties().render_target = owning_layer.get();
95  RenderSurfaceImpl* render_surface = owning_layer->render_surface();
96
97  root_layer->AddChild(owning_layer.Pass());
98
99  gfx::Rect content_rect(0, 0, 50, 50);
100  gfx::Rect clip_rect(5, 5, 40, 40);
101  gfx::Transform origin;
102
103  origin.Translate(30, 40);
104
105  render_surface->SetDrawTransform(origin);
106  render_surface->SetContentRect(content_rect);
107  render_surface->SetClipRect(clip_rect);
108  render_surface->SetDrawOpacity(1.f);
109
110  MockOcclusionTracker<LayerImpl> occlusion_tracker;
111  scoped_ptr<RenderPass> render_pass = RenderPass::Create();
112  AppendQuadsData append_quads_data;
113
114  bool for_replica = false;
115  render_surface->AppendQuads(render_pass.get(),
116                              occlusion_tracker,
117                              &append_quads_data,
118                              for_replica,
119                              RenderPassId(2, 0));
120
121  ASSERT_EQ(1u, render_pass->shared_quad_state_list.size());
122  SharedQuadState* shared_quad_state = render_pass->shared_quad_state_list[0];
123
124  EXPECT_EQ(
125      30.0,
126      shared_quad_state->content_to_target_transform.matrix().getDouble(0, 3));
127  EXPECT_EQ(
128      40.0,
129      shared_quad_state->content_to_target_transform.matrix().getDouble(1, 3));
130  EXPECT_RECT_EQ(content_rect,
131                 gfx::Rect(shared_quad_state->visible_content_rect));
132  EXPECT_EQ(1.f, shared_quad_state->opacity);
133}
134
135class TestRenderPassSink : public RenderPassSink {
136 public:
137  virtual void AppendRenderPass(scoped_ptr<RenderPass> render_pass) OVERRIDE {
138    render_passes_.push_back(render_pass.Pass());
139  }
140
141  const RenderPassList& RenderPasses() const {
142    return render_passes_;
143  }
144
145 private:
146  RenderPassList render_passes_;
147};
148
149TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectRenderPass) {
150  FakeImplProxy proxy;
151  TestSharedBitmapManager shared_bitmap_manager;
152  FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
153  scoped_ptr<LayerImpl> root_layer =
154      LayerImpl::Create(host_impl.active_tree(), 1);
155
156  scoped_ptr<LayerImpl> owning_layer =
157      LayerImpl::Create(host_impl.active_tree(), 2);
158  owning_layer->CreateRenderSurface();
159  ASSERT_TRUE(owning_layer->render_surface());
160  owning_layer->draw_properties().render_target = owning_layer.get();
161  RenderSurfaceImpl* render_surface = owning_layer->render_surface();
162
163  root_layer->AddChild(owning_layer.Pass());
164
165  gfx::Rect content_rect(0, 0, 50, 50);
166  gfx::Transform origin;
167  origin.Translate(30.0, 40.0);
168
169  render_surface->SetScreenSpaceTransform(origin);
170  render_surface->SetContentRect(content_rect);
171
172  TestRenderPassSink pass_sink;
173
174  render_surface->AppendRenderPasses(&pass_sink);
175
176  ASSERT_EQ(1u, pass_sink.RenderPasses().size());
177  RenderPass* pass = pass_sink.RenderPasses()[0];
178
179  EXPECT_EQ(RenderPassId(2, 0), pass->id);
180  EXPECT_RECT_EQ(content_rect, pass->output_rect);
181  EXPECT_EQ(origin, pass->transform_to_root_target);
182}
183
184}  // namespace
185}  // namespace cc
186