delegating_renderer_unittest.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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() OVERRIDE {
21    scoped_ptr<TestWebGraphicsContext3D> context3d =
22        TestWebGraphicsContext3D::Create(
23            WebKit::WebGraphicsContext3D::Attributes());
24    context3d_ = context3d.get();
25    scoped_ptr<FakeOutputSurface> output_surface =
26        FakeOutputSurface::CreateDelegating3d(
27            context3d.PassAs<WebKit::WebGraphicsContext3D>());
28    output_surface_ = output_surface.get();
29    return output_surface.PassAs<OutputSurface>();
30  }
31
32 protected:
33  TestWebGraphicsContext3D* context3d_;
34  FakeOutputSurface* output_surface_;
35};
36
37class DelegatingRendererTestDraw : public DelegatingRendererTest {
38 public:
39  virtual void BeginTest() OVERRIDE {
40    layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.5f, 4.f);
41    PostSetNeedsCommitToMainThread();
42  }
43
44  virtual void AfterTest() OVERRIDE {}
45
46  virtual bool PrepareToDrawOnThread(
47      LayerTreeHostImpl*, LayerTreeHostImpl::FrameData* frame, bool result)
48      OVERRIDE {
49    EXPECT_EQ(0u, output_surface_->num_sent_frames());
50
51    CompositorFrame& last_frame = output_surface_->last_sent_frame();
52    EXPECT_FALSE(last_frame.delegated_frame_data);
53    EXPECT_FALSE(last_frame.gl_frame_data);
54    EXPECT_EQ(0.f, last_frame.metadata.min_page_scale_factor);
55    EXPECT_EQ(0.f, last_frame.metadata.max_page_scale_factor);
56    return true;
57  }
58
59  virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
60    EXPECT_EQ(1u, output_surface_->num_sent_frames());
61
62    CompositorFrame& last_frame = output_surface_->last_sent_frame();
63    DelegatedFrameData* last_frame_data = last_frame.delegated_frame_data.get();
64    ASSERT_TRUE(last_frame.delegated_frame_data);
65    EXPECT_FALSE(last_frame.gl_frame_data);
66    EXPECT_EQ(
67        gfx::Rect(host_impl->device_viewport_size()).ToString(),
68        last_frame_data->render_pass_list.back()->output_rect.ToString());
69    EXPECT_EQ(0.5f, last_frame.metadata.min_page_scale_factor);
70    EXPECT_EQ(4.f, last_frame.metadata.max_page_scale_factor);
71
72    EXPECT_EQ(
73        0u, last_frame.delegated_frame_data->resource_list.size());
74    EXPECT_EQ(1u, last_frame.delegated_frame_data->render_pass_list.size());
75
76    EndTest();
77  }
78};
79
80SINGLE_AND_MULTI_THREAD_TEST_F(DelegatingRendererTestDraw)
81
82class DelegatingRendererTestResources : public DelegatingRendererTest {
83 public:
84  virtual void BeginTest() OVERRIDE {
85    PostSetNeedsCommitToMainThread();
86  }
87
88  virtual void AfterTest() OVERRIDE {}
89
90  virtual bool PrepareToDrawOnThread(
91      LayerTreeHostImpl* host_impl,
92      LayerTreeHostImpl::FrameData* frame,
93      bool result) OVERRIDE {
94
95    frame->render_passes.clear();
96    frame->render_passes_by_id.clear();
97
98    TestRenderPass* child_pass = AddRenderPass(
99        frame->render_passes,
100        RenderPass::Id(2, 1),
101        gfx::Rect(3, 3, 10, 10),
102        gfx::Transform());
103    child_pass->AppendOneOfEveryQuadType(
104        host_impl->resource_provider(), RenderPass::Id(0, 0));
105
106    TestRenderPass* pass = AddRenderPass(
107        frame->render_passes,
108        RenderPass::Id(1, 1),
109        gfx::Rect(3, 3, 10, 10),
110        gfx::Transform());
111    pass->AppendOneOfEveryQuadType(
112        host_impl->resource_provider(), child_pass->id);
113    return true;
114  }
115
116  virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
117    EXPECT_EQ(1u, output_surface_->num_sent_frames());
118
119    CompositorFrame& last_frame = output_surface_->last_sent_frame();
120    ASSERT_TRUE(last_frame.delegated_frame_data);
121
122    EXPECT_EQ(2u, last_frame.delegated_frame_data->render_pass_list.size());
123    // Each render pass has 7 resources in it. And the root render pass has a
124    // mask resource used when drawing the child render pass. The number 7 may
125    // change if AppendOneOfEveryQuadType is updated, and the value here should
126    // be updated accordingly.
127    EXPECT_EQ(
128        15u, last_frame.delegated_frame_data->resource_list.size());
129
130    EndTest();
131  }
132};
133
134SINGLE_AND_MULTI_THREAD_TEST_F(DelegatingRendererTestResources)
135
136}  // namespace cc
137