gecko/gfx/layers/ipc/PImageBridge.ipdl
Bas Schouten 7d182a2102 Bug 825928: Land layers refactoring. r=jrmuizel,bas,nical,mattwoodrow,roc,nrc,benwa,bjacob,jgilbert,kchen CLOSED TREE
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions.

Authors:
gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical
gfx/layers/d3d* - D3D9/D3D10 - bas
gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas
gfx/layers/composite/* - CompositeLayers - nrc,nical
gfx/layers/client/* - Client - nrc,nical,bas
gfx/layers/*Image* - nical
gfx/layers/ipc ipc - IPC - nical
gfx/layers/opengl - CompositorOGL - nrc,nical
gfx/2d - bas,nrc
gfx/gl - GLContext - bjacob
dom/* layout/* - DOM - mattwoodrow
2013-04-10 09:20:52 +00:00

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
include LayersSurfaces;
include LayerTransaction;
include protocol PGrallocBuffer;
include protocol PCompositable;
include protocol PTexture;
include "mozilla/layers/CompositorTypes.h";
using ImageHandle;
using mozilla::layers::CompositableType;
namespace mozilla {
namespace layers {
/**
* The PImageBridge protocol is used to allow isolated threads or processes to push
* frames directly to the compositor thread/process without relying on the main thread
* which might be too busy dealing with content script.
*/
/*FIXME: sync*/ rpc protocol PImageBridge
{
manages PCompositable;
manages PGrallocBuffer;
parent:
sync Update(CompositableOperation[] ops) returns (EditReply[] reply);
async UpdateNoSwap(CompositableOperation[] ops);
// Allocates a gralloc buffer that may not suitable to use with
// gfxImageSurface but allows hardware decoder to write to the
// buffer directly. The format is a enum defined in
// system/graphics.h and the usage is the GraphicBuffer usage
// flag. See GraphicBuffer.h and gralloc.h.
sync PGrallocBuffer(gfxIntSize size, uint32_t format, uint32_t usage)
returns (MaybeMagicGrallocBufferHandle handle);
// First step of the destruction sequence. This puts all the ImageContainerParents
// in a state in which they can't send asynchronous messages to their child
// counterpart so as to not race with the upcomming __delete__ message.
// In the child side, the __delete__ messages are not sent right after Stop,
// they are scheduled in the ImageBridgeChild's message queue in order to ensure
// that all the messages from the parent side have been received and processed
// before sending __delete__.
sync Stop();
sync PCompositable(CompositableType aType) returns (uint64_t id);
};
} // namespace
} // namespace