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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 "content/renderer/android/synchronous_compositor_impl.h" | |
6 | |
7 #include "base/message_loop.h" | |
8 #include "cc/input/input_handler.h" | |
9 #include "content/public/renderer/android/synchronous_compositor_client.h" | |
10 #include "content/public/renderer/content_renderer_client.h" | |
11 | |
12 namespace content { | |
13 | |
14 SynchronousCompositorImpl::SynchronousCompositorImpl(int32 routing_id) | |
15 : routing_id_(routing_id), compositor_client_(NULL) {} | |
16 | |
17 SynchronousCompositorImpl::~SynchronousCompositorImpl() { | |
18 } | |
19 | |
20 scoped_ptr<cc::OutputSurface> | |
21 SynchronousCompositorImpl::CreateOutputSurface() { | |
22 scoped_ptr<SynchronousCompositorOutputSurface> output_surface( | |
23 new SynchronousCompositorOutputSurface(this)); | |
24 output_surface_ = output_surface.get(); | |
25 return output_surface.PassAs<cc::OutputSurface>(); | |
26 } | |
27 | |
28 bool SynchronousCompositorImpl::IsHwReady() { | |
29 DCHECK(CalledOnValidThread()); | |
30 DCHECK(output_surface_); | |
31 | |
32 return output_surface_->IsHwReady(); | |
33 } | |
34 | |
35 void SynchronousCompositorImpl::SetClient( | |
36 SynchronousCompositorClient* compositor_client) { | |
37 DCHECK(CalledOnValidThread()); | |
38 compositor_client_ = compositor_client; | |
39 } | |
40 | |
41 bool SynchronousCompositorImpl::DemandDrawSw(SkCanvas* canvas) { | |
42 DCHECK(CalledOnValidThread()); | |
43 DCHECK(output_surface_); | |
44 | |
45 return output_surface_->DemandDrawSw(canvas); | |
46 } | |
47 | |
48 bool SynchronousCompositorImpl::DemandDrawHw( | |
49 gfx::Size view_size, | |
50 const gfx::Transform& transform, | |
51 gfx::Rect damage_area) { | |
52 DCHECK(CalledOnValidThread()); | |
53 DCHECK(output_surface_); | |
54 | |
55 return output_surface_->DemandDrawHw(view_size, transform, damage_area); | |
56 } | |
57 | |
58 void SynchronousCompositorImpl::SetContinuousInvalidate(bool enable) { | |
59 DCHECK(CalledOnValidThread()); | |
60 compositor_client_->SetContinuousInvalidate(enable); | |
61 } | |
62 | |
63 void SynchronousCompositorImpl::DidCreateSynchronousOutputSurface() { | |
64 DCHECK(CalledOnValidThread()); | |
65 GetContentClient()->renderer()->DidCreateSynchronousCompositor(routing_id_, | |
66 this); | |
67 } | |
68 | |
69 void SynchronousCompositorImpl::DidDestroySynchronousOutputSurface() { | |
70 DCHECK(CalledOnValidThread()); | |
71 output_surface_ = NULL; | |
72 compositor_client_->DidDestroyCompositor(this); | |
73 } | |
74 | |
75 // Not using base::NonThreadSafe as we want to enforce a more exacting threading | |
76 // requirement: SynchronousCompositorImpl() must only be used by | |
77 // embedders that supply their own compositor loop via | |
78 // OverrideCompositorMessageLoop(). | |
79 bool SynchronousCompositorImpl::CalledOnValidThread() const { | |
80 return base::MessageLoop::current() && (base::MessageLoop::current() == | |
81 GetContentClient()->renderer()->OverrideCompositorMessageLoop()); | |
82 } | |
83 | |
84 } // namespace content | |
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