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53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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include "mozilla/layers/LayersMessageUtils.h";
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include protocol PCanvas;
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include protocol PWebGL;
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include protocol PWebGPU;
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using mozilla::layers::RemoteTextureOwnerId from "mozilla/layers/LayersTypes.h";
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using mozilla::webgl::FrontBufferSnapshotIpc from "mozilla/dom/WebGLIpdl.h";
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namespace mozilla {
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namespace gfx {
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/**
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* The PCanvasManager protocol is the top-level protocol between the main and
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* worker threads in the content process, and the renderer thread in the
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* compositor process. This protocol should be used to create accelerated
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* canvas instances.
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*/
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[NeedsOtherPid, ParentProc=compositor, ChildProc=anydom]
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sync protocol PCanvasManager
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{
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manages PCanvas;
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manages PWebGL;
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manages PWebGPU;
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parent:
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async PCanvas();
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// Actor that represents one WebGL context.
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async PWebGL();
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// Actor that represents one WebGPU context.
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async PWebGPU();
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// Set the local manager ID for the canvas manager.
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async Initialize(uint32_t aManagerId);
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// Get the front buffer pixels for the given manager/protocol. This is
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// intended to be used by the main thread in the content process to block
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// reading without having to block on the worker thread that owns the context
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// instance.
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sync GetSnapshot(uint32_t aManagerId, int32_t aProtocolId, RemoteTextureOwnerId? ownerId) returns (FrontBufferSnapshotIpc ret);
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};
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} // gfx
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} // mozilla
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