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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/output_surface.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/memory/ptr_util.h" | |
10 #include "cc/output/output_surface_frame.h" | |
11 #include "cc/output/software_output_device.h" | |
12 #include "cc/test/fake_output_surface_client.h" | |
13 #include "cc/test/test_context_provider.h" | |
14 #include "cc/test/test_web_graphics_context_3d.h" | |
15 #include "gpu/GLES2/gl2extchromium.h" | |
16 #include "testing/gtest/include/gtest/gtest.h" | |
17 | |
18 namespace cc { | |
19 namespace { | |
20 | |
21 class TestOutputSurface : public OutputSurface { | |
22 public: | |
23 explicit TestOutputSurface( | |
24 scoped_refptr<TestContextProvider> context_provider) | |
25 : OutputSurface(std::move(context_provider)) {} | |
26 | |
27 explicit TestOutputSurface( | |
28 std::unique_ptr<SoftwareOutputDevice> software_device) | |
29 : OutputSurface(std::move(software_device)) {} | |
30 | |
31 void EnsureBackbuffer() override {} | |
32 void DiscardBackbuffer() override {} | |
33 void BindFramebuffer() override {} | |
34 void Reshape(const gfx::Size& size, | |
35 float device_scale_factor, | |
36 const gfx::ColorSpace& color_space, | |
37 bool has_alpha) override {} | |
38 void SwapBuffers(OutputSurfaceFrame frame) override { | |
39 client_->DidReceiveSwapBuffersAck(); | |
40 } | |
41 uint32_t GetFramebufferCopyTextureFormat() override { | |
42 // TestContextProvider has no real framebuffer, just use RGB. | |
43 return GL_RGB; | |
44 } | |
45 OverlayCandidateValidator* GetOverlayCandidateValidator() const override { | |
46 return nullptr; | |
47 } | |
48 bool IsDisplayedAsOverlayPlane() const override { return false; } | |
49 unsigned GetOverlayTextureId() const override { return 0; } | |
50 bool SurfaceIsSuspendForRecycle() const override { return false; } | |
51 bool HasExternalStencilTest() const override { return false; } | |
52 void ApplyExternalStencil() override {} | |
53 | |
54 void OnSwapBuffersCompleteForTesting() { | |
55 client_->DidReceiveSwapBuffersAck(); | |
56 } | |
57 | |
58 protected: | |
59 }; | |
60 | |
61 class TestSoftwareOutputDevice : public SoftwareOutputDevice { | |
62 public: | |
63 TestSoftwareOutputDevice(); | |
64 ~TestSoftwareOutputDevice() override; | |
65 | |
66 // Overriden from cc:SoftwareOutputDevice | |
67 void DiscardBackbuffer() override; | |
68 void EnsureBackbuffer() override; | |
69 | |
70 int discard_backbuffer_count() { return discard_backbuffer_count_; } | |
71 int ensure_backbuffer_count() { return ensure_backbuffer_count_; } | |
72 | |
73 private: | |
74 int discard_backbuffer_count_; | |
75 int ensure_backbuffer_count_; | |
76 }; | |
77 | |
78 TestSoftwareOutputDevice::TestSoftwareOutputDevice() | |
79 : discard_backbuffer_count_(0), ensure_backbuffer_count_(0) {} | |
80 | |
81 TestSoftwareOutputDevice::~TestSoftwareOutputDevice() {} | |
82 | |
83 void TestSoftwareOutputDevice::DiscardBackbuffer() { | |
84 SoftwareOutputDevice::DiscardBackbuffer(); | |
85 discard_backbuffer_count_++; | |
86 } | |
87 | |
88 void TestSoftwareOutputDevice::EnsureBackbuffer() { | |
89 SoftwareOutputDevice::EnsureBackbuffer(); | |
90 ensure_backbuffer_count_++; | |
91 } | |
92 | |
93 TEST(OutputSurfaceTest, ContextLossInformsClient) { | |
94 scoped_refptr<TestContextProvider> provider = TestContextProvider::Create(); | |
95 TestOutputSurface output_surface(provider); | |
96 | |
97 FakeOutputSurfaceClient client; | |
98 EXPECT_TRUE(output_surface.BindToClient(&client)); | |
99 | |
100 // Verify DidLoseOutputSurface callback is hooked up correctly. | |
101 EXPECT_FALSE(client.did_lose_output_surface_called()); | |
102 output_surface.context_provider()->ContextGL()->LoseContextCHROMIUM( | |
103 GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB); | |
104 output_surface.context_provider()->ContextGL()->Flush(); | |
105 EXPECT_TRUE(client.did_lose_output_surface_called()); | |
106 } | |
107 | |
108 // TODO(danakj): Add a test for worker context failure as well when | |
109 // OutputSurface creates/binds it. | |
110 TEST(OutputSurfaceTest, ContextLossFailsBind) { | |
111 scoped_refptr<TestContextProvider> context_provider = | |
112 TestContextProvider::Create(); | |
113 | |
114 // Lose the context so BindToClient fails. | |
115 context_provider->UnboundTestContext3d()->set_context_lost(true); | |
116 | |
117 TestOutputSurface output_surface(context_provider); | |
118 | |
119 FakeOutputSurfaceClient client; | |
120 EXPECT_FALSE(output_surface.BindToClient(&client)); | |
121 } | |
122 | |
123 } // namespace | |
124 } // namespace cc | |
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