The Tor Browser / file comparison
comparison: gfx/layers/ipc/LayerTransactionChild.cpp
gfx/layers/ipc/LayerTransactionChild.cpp
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:e626c8e56ff0 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=8 et : | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "LayerTransactionChild.h" | |
| 9 #include "mozilla/layers/CompositableClient.h" // for CompositableChild | |
| 10 #include "mozilla/layers/LayersSurfaces.h" // for PGrallocBufferChild | |
| 11 #include "mozilla/layers/PCompositableChild.h" // for PCompositableChild | |
| 12 #include "mozilla/layers/PLayerChild.h" // for PLayerChild | |
| 13 #include "mozilla/mozalloc.h" // for operator delete, etc | |
| 14 #include "nsDebug.h" // for NS_RUNTIMEABORT, etc | |
| 15 #include "nsTArray.h" // for nsTArray | |
| 16 #include "mozilla/layers/TextureClient.h" | |
| 17 | |
| 18 namespace mozilla { | |
| 19 namespace layers { | |
| 20 | |
| 21 class PGrallocBufferChild; | |
| 22 | |
| 23 void | |
| 24 LayerTransactionChild::Destroy() | |
| 25 { | |
| 26 NS_ABORT_IF_FALSE(0 == ManagedPLayerChild().Length(), | |
| 27 "layers should have been cleaned up by now"); | |
| 28 PLayerTransactionChild::Send__delete__(this); | |
| 29 // WARNING: |this| has gone to the great heap in the sky | |
| 30 } | |
| 31 | |
| 32 PGrallocBufferChild* | |
| 33 LayerTransactionChild::AllocPGrallocBufferChild(const IntSize&, | |
| 34 const uint32_t&, | |
| 35 const uint32_t&, | |
| 36 MaybeMagicGrallocBufferHandle*) | |
| 37 { | |
| 38 #ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC | |
| 39 return GrallocBufferActor::Create(); | |
| 40 #else | |
| 41 NS_RUNTIMEABORT("No gralloc buffers for you"); | |
| 42 return nullptr; | |
| 43 #endif | |
| 44 } | |
| 45 | |
| 46 bool | |
| 47 LayerTransactionChild::DeallocPGrallocBufferChild(PGrallocBufferChild* actor) | |
| 48 { | |
| 49 #ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC | |
| 50 delete actor; | |
| 51 return true; | |
| 52 #else | |
| 53 NS_RUNTIMEABORT("Um, how did we get here?"); | |
| 54 return false; | |
| 55 #endif | |
| 56 } | |
| 57 | |
| 58 PLayerChild* | |
| 59 LayerTransactionChild::AllocPLayerChild() | |
| 60 { | |
| 61 // we always use the "power-user" ctor | |
| 62 NS_RUNTIMEABORT("not reached"); | |
| 63 return nullptr; | |
| 64 } | |
| 65 | |
| 66 bool | |
| 67 LayerTransactionChild::DeallocPLayerChild(PLayerChild* actor) | |
| 68 { | |
| 69 delete actor; | |
| 70 return true; | |
| 71 } | |
| 72 | |
| 73 PCompositableChild* | |
| 74 LayerTransactionChild::AllocPCompositableChild(const TextureInfo& aInfo) | |
| 75 { | |
| 76 return CompositableClient::CreateIPDLActor(); | |
| 77 } | |
| 78 | |
| 79 bool | |
| 80 LayerTransactionChild::DeallocPCompositableChild(PCompositableChild* actor) | |
| 81 { | |
| 82 return CompositableClient::DestroyIPDLActor(actor); | |
| 83 } | |
| 84 | |
| 85 void | |
| 86 LayerTransactionChild::ActorDestroy(ActorDestroyReason why) | |
| 87 { | |
| 88 #ifdef MOZ_B2G | |
| 89 // Due to poor lifetime management of gralloc (and possibly shmems) we will | |
| 90 // crash at some point in the future when we get destroyed due to abnormal | |
| 91 // shutdown. Its better just to crash here. On desktop though, we have a chance | |
| 92 // of recovering. | |
| 93 if (why == AbnormalShutdown) { | |
| 94 NS_RUNTIMEABORT("ActorDestroy by IPC channel failure at LayerTransactionChild"); | |
| 95 } | |
| 96 #endif | |
| 97 } | |
| 98 | |
| 99 PTextureChild* | |
| 100 LayerTransactionChild::AllocPTextureChild(const SurfaceDescriptor&, | |
| 101 const TextureFlags&) | |
| 102 { | |
| 103 return TextureClient::CreateIPDLActor(); | |
| 104 } | |
| 105 | |
| 106 bool | |
| 107 LayerTransactionChild::DeallocPTextureChild(PTextureChild* actor) | |
| 108 { | |
| 109 return TextureClient::DestroyIPDLActor(actor); | |
| 110 } | |
| 111 | |
| 112 } // namespace layers | |
| 113 } // namespace mozilla |
