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1 // Copyright 2014 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 "services/ui/public/cpp/output_surface.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "cc/output/compositor_frame.h" | |
9 #include "cc/output/output_surface_client.h" | |
10 #include "gpu/ipc/client/gpu_channel_host.h" | |
11 #include "services/ui/public/cpp/context_provider.h" | |
12 #include "services/ui/public/cpp/gpu_service.h" | |
13 #include "services/ui/public/cpp/window_surface.h" | |
14 | |
15 namespace ui { | |
16 | |
17 OutputSurface::OutputSurface( | |
18 scoped_refptr<gpu::GpuChannelHost> gpu_channel_host, | |
19 std::unique_ptr<ui::WindowSurface> surface) | |
20 : cc::OutputSurface( | |
21 make_scoped_refptr(new ContextProvider(std::move(gpu_channel_host))), | |
22 nullptr, | |
23 nullptr), | |
24 surface_(std::move(surface)) { | |
25 capabilities_.delegated_rendering = true; | |
26 } | |
27 | |
28 OutputSurface::~OutputSurface() {} | |
29 | |
30 bool OutputSurface::BindToClient(cc::OutputSurfaceClient* client) { | |
31 surface_->BindToThread(); | |
32 surface_->set_client(this); | |
33 | |
34 // TODO(enne): Get this from the WindowSurface via ServerWindowSurface. | |
35 begin_frame_source_.reset(new cc::DelayBasedBeginFrameSource( | |
36 base::MakeUnique<cc::DelayBasedTimeSource>( | |
37 base::ThreadTaskRunnerHandle::Get().get()))); | |
38 | |
39 client->SetBeginFrameSource(begin_frame_source_.get()); | |
40 return cc::OutputSurface::BindToClient(client); | |
41 } | |
42 | |
43 void OutputSurface::DetachFromClient() { | |
44 client_->SetBeginFrameSource(nullptr); | |
45 begin_frame_source_.reset(); | |
46 surface_.reset(); | |
47 cc::OutputSurface::DetachFromClient(); | |
48 } | |
49 | |
50 void OutputSurface::BindFramebuffer() { | |
51 // This is a delegating output surface, no framebuffer/direct drawing support. | |
52 NOTREACHED(); | |
53 } | |
54 | |
55 uint32_t OutputSurface::GetFramebufferCopyTextureFormat() { | |
56 // This is a delegating output surface, no framebuffer/direct drawing support. | |
57 NOTREACHED(); | |
58 return 0; | |
59 } | |
60 | |
61 void OutputSurface::SwapBuffers(cc::CompositorFrame frame) { | |
62 // OutputSurface owns WindowSurface, and so if OutputSurface is | |
63 // destroyed then SubmitCompositorFrame's callback will never get called. | |
64 // Thus, base::Unretained is safe here. | |
65 surface_->SubmitCompositorFrame( | |
66 std::move(frame), | |
67 base::Bind(&OutputSurface::SwapBuffersComplete, base::Unretained(this))); | |
68 } | |
69 | |
70 void OutputSurface::OnResourcesReturned( | |
71 ui::WindowSurface* surface, | |
72 mojo::Array<cc::ReturnedResource> resources) { | |
73 client_->ReclaimResources(resources.To<cc::ReturnedResourceArray>()); | |
74 } | |
75 | |
76 void OutputSurface::SwapBuffersComplete() { | |
77 client_->DidSwapBuffersComplete(); | |
78 } | |
79 | |
80 } // namespace ui | |
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