1// Copyright 2013 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/output/delegating_renderer.h"
6
7#include "cc/test/fake_output_surface.h"
8#include "cc/test/layer_tree_test.h"
9#include "cc/test/render_pass_test_common.h"
10#include "cc/test/render_pass_test_utils.h"
11#include "testing/gtest/include/gtest/gtest.h"
12
13namespace cc {
14
15class DelegatingRendererTest : public LayerTreeTest {
16 public:
17  DelegatingRendererTest() : LayerTreeTest(), output_surface_(NULL) {}
18  virtual ~DelegatingRendererTest() {}
19
20  virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
21      OVERRIDE {
22    scoped_ptr<FakeOutputSurface> output_surface =
23        FakeOutputSurface::CreateDelegating3d();
24    output_surface_ = output_surface.get();
25    return output_surface.PassAs<OutputSurface>();
26  }
27
28 protected:
29  TestWebGraphicsContext3D* context3d_;
30  FakeOutputSurface* output_surface_;
31};
32
33class DelegatingRendererTestDraw : public DelegatingRendererTest {
34 public:
35  virtual void BeginTest() OVERRIDE {
36    layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.5f, 4.f);
37    PostSetNeedsCommitToMainThread();
38  }
39
40  virtual void AfterTest() OVERRIDE {}
41
42  virtual DrawResult PrepareToDrawOnThread(
43      LayerTreeHostImpl* host_impl,
44      LayerTreeHostImpl::FrameData* frame,
45      DrawResult draw_result) OVERRIDE {
46    EXPECT_EQ(0u, output_surface_->num_sent_frames());
47
48    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
49    EXPECT_FALSE(last_frame.delegated_frame_data);
50    EXPECT_FALSE(last_frame.gl_frame_data);
51    EXPECT_EQ(0.f, last_frame.metadata.min_page_scale_factor);
52    EXPECT_EQ(0.f, last_frame.metadata.max_page_scale_factor);
53    return DRAW_SUCCESS;
54  }
55
56  virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
57    EXPECT_EQ(0u, output_surface_->num_sent_frames());
58  }
59
60  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
61                                   bool result) OVERRIDE {
62    EXPECT_TRUE(result);
63    EXPECT_EQ(1u, output_surface_->num_sent_frames());
64
65    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
66    DelegatedFrameData* last_frame_data = last_frame.delegated_frame_data.get();
67    ASSERT_TRUE(last_frame.delegated_frame_data);
68    EXPECT_FALSE(last_frame.gl_frame_data);
69    EXPECT_EQ(host_impl->DeviceViewport().ToString(),
70              last_frame_data->render_pass_list.back()->output_rect.ToString());
71    EXPECT_EQ(0.5f, last_frame.metadata.min_page_scale_factor);
72    EXPECT_EQ(4.f, last_frame.metadata.max_page_scale_factor);
73
74    EXPECT_EQ(
75        0u, last_frame.delegated_frame_data->resource_list.size());
76    EXPECT_EQ(1u, last_frame.delegated_frame_data->render_pass_list.size());
77
78    EndTest();
79  }
80};
81
82SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(DelegatingRendererTestDraw);
83
84class DelegatingRendererTestResources : public DelegatingRendererTest {
85 public:
86  virtual void BeginTest() OVERRIDE {
87    PostSetNeedsCommitToMainThread();
88  }
89
90  virtual void AfterTest() OVERRIDE {}
91
92  virtual DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
93                                           LayerTreeHostImpl::FrameData* frame,
94                                           DrawResult draw_result) OVERRIDE {
95    frame->render_passes.clear();
96    frame->render_passes_by_id.clear();
97
98    TestRenderPass* child_pass = AddRenderPass(&frame->render_passes,
99                                               RenderPassId(2, 1),
100                                               gfx::Rect(3, 3, 10, 10),
101                                               gfx::Transform());
102    child_pass->AppendOneOfEveryQuadType(host_impl->resource_provider(),
103                                         RenderPassId(0, 0));
104
105    TestRenderPass* pass = AddRenderPass(&frame->render_passes,
106                                         RenderPassId(1, 1),
107                                         gfx::Rect(3, 3, 10, 10),
108                                         gfx::Transform());
109    pass->AppendOneOfEveryQuadType(
110        host_impl->resource_provider(), child_pass->id);
111    return draw_result;
112  }
113
114  virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
115    EXPECT_EQ(0u, output_surface_->num_sent_frames());
116  }
117
118  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
119                                   bool result) OVERRIDE {
120    EXPECT_TRUE(result);
121    EXPECT_EQ(1u, output_surface_->num_sent_frames());
122
123    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
124    ASSERT_TRUE(last_frame.delegated_frame_data);
125
126    EXPECT_EQ(2u, last_frame.delegated_frame_data->render_pass_list.size());
127    // Each render pass has 11 resources in it. And the root render pass has a
128    // mask resource used when drawing the child render pass, as well as its
129    // replica (it's added twice). The number 11 may change if
130    // AppendOneOfEveryQuadType() is updated, and the value here should be
131    // updated accordingly.
132    EXPECT_EQ(24u, last_frame.delegated_frame_data->resource_list.size());
133
134    EndTest();
135  }
136};
137
138SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(
139    DelegatingRendererTestResources);
140
141}  // namespace cc
142