/src/mozilla-central/gfx/layers/ipc/VideoBridgeParent.cpp
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "VideoBridgeParent.h" |
8 | | #include "CompositorThread.h" |
9 | | #include "mozilla/layers/TextureHost.h" |
10 | | |
11 | | namespace mozilla { |
12 | | namespace layers { |
13 | | |
14 | | using namespace mozilla::ipc; |
15 | | using namespace mozilla::gfx; |
16 | | |
17 | | static VideoBridgeParent* sVideoBridgeSingleton; |
18 | | |
19 | | VideoBridgeParent::VideoBridgeParent() |
20 | | : mClosed(false) |
21 | 0 | { |
22 | 0 | mSelfRef = this; |
23 | 0 | sVideoBridgeSingleton = this; |
24 | 0 | mCompositorThreadRef = CompositorThreadHolder::GetSingleton(); |
25 | 0 | } |
26 | | |
27 | | VideoBridgeParent::~VideoBridgeParent() |
28 | 0 | { |
29 | 0 | sVideoBridgeSingleton = nullptr; |
30 | 0 | } |
31 | | |
32 | | /* static */ VideoBridgeParent* |
33 | | VideoBridgeParent::GetSingleton() |
34 | 0 | { |
35 | 0 | return sVideoBridgeSingleton; |
36 | 0 | } |
37 | | |
38 | | TextureHost* |
39 | | VideoBridgeParent::LookupTexture(uint64_t aSerial) |
40 | 0 | { |
41 | 0 | return TextureHost::AsTextureHost(mTextureMap[aSerial]); |
42 | 0 | } |
43 | | |
44 | | void |
45 | | VideoBridgeParent::ActorDestroy(ActorDestroyReason aWhy) |
46 | 0 | { |
47 | 0 | // Can't alloc/dealloc shmems from now on. |
48 | 0 | mClosed = true; |
49 | 0 | } |
50 | | |
51 | | void |
52 | | VideoBridgeParent::DeallocPVideoBridgeParent() |
53 | 0 | { |
54 | 0 | mCompositorThreadRef = nullptr; |
55 | 0 | mSelfRef = nullptr; |
56 | 0 | } |
57 | | |
58 | | PTextureParent* |
59 | | VideoBridgeParent::AllocPTextureParent(const SurfaceDescriptor& aSharedData, |
60 | | const ReadLockDescriptor& aReadLock, |
61 | | const LayersBackend& aLayersBackend, |
62 | | const TextureFlags& aFlags, |
63 | | const uint64_t& aSerial) |
64 | 0 | { |
65 | 0 | PTextureParent* parent = |
66 | 0 | TextureHost::CreateIPDLActor(this, aSharedData, aReadLock, aLayersBackend, aFlags, aSerial, Nothing()); |
67 | 0 |
|
68 | 0 | if (!parent) { |
69 | 0 | return nullptr; |
70 | 0 | } |
71 | 0 | |
72 | 0 | mTextureMap[aSerial] = parent; |
73 | 0 | return parent; |
74 | 0 | } |
75 | | |
76 | | bool |
77 | | VideoBridgeParent::DeallocPTextureParent(PTextureParent* actor) |
78 | 0 | { |
79 | 0 | mTextureMap.erase(TextureHost::GetTextureSerial(actor)); |
80 | 0 | return TextureHost::DestroyIPDLActor(actor); |
81 | 0 | } |
82 | | |
83 | | void |
84 | | VideoBridgeParent::SendAsyncMessage(const InfallibleTArray<AsyncParentMessageData>& aMessage) |
85 | 0 | { |
86 | 0 | MOZ_ASSERT(false, "AsyncMessages not supported"); |
87 | 0 | } |
88 | | |
89 | | bool |
90 | | VideoBridgeParent::AllocShmem(size_t aSize, |
91 | | ipc::SharedMemory::SharedMemoryType aType, |
92 | | ipc::Shmem* aShmem) |
93 | 0 | { |
94 | 0 | if (mClosed) { |
95 | 0 | return false; |
96 | 0 | } |
97 | 0 | return PVideoBridgeParent::AllocShmem(aSize, aType, aShmem); |
98 | 0 | } |
99 | | |
100 | | bool |
101 | | VideoBridgeParent::AllocUnsafeShmem(size_t aSize, |
102 | | ipc::SharedMemory::SharedMemoryType aType, |
103 | | ipc::Shmem* aShmem) |
104 | 0 | { |
105 | 0 | if (mClosed) { |
106 | 0 | return false; |
107 | 0 | } |
108 | 0 | return PVideoBridgeParent::AllocUnsafeShmem(aSize, aType, aShmem); |
109 | 0 | } |
110 | | |
111 | | void |
112 | | VideoBridgeParent::DeallocShmem(ipc::Shmem& aShmem) |
113 | 0 | { |
114 | 0 | if (mClosed) { |
115 | 0 | return; |
116 | 0 | } |
117 | 0 | PVideoBridgeParent::DeallocShmem(aShmem); |
118 | 0 | } |
119 | | |
120 | | bool |
121 | | VideoBridgeParent::IsSameProcess() const |
122 | 0 | { |
123 | 0 | return OtherPid() == base::GetCurrentProcId(); |
124 | 0 | } |
125 | | |
126 | | void |
127 | | VideoBridgeParent::NotifyNotUsed(PTextureParent* aTexture, uint64_t aTransactionId) |
128 | 0 | { |
129 | 0 | } |
130 | | |
131 | | } // namespace layers |
132 | | } // namespace mozilla |