forked from mirrors/gecko-dev
456d695946
Also reduce it from 100KB to 10KB, since we want more concurrency. Differential Revision: https://phabricator.services.mozilla.com/D90358
64 lines
2 KiB
C++
64 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef WEBGLCHILD_H_
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#define WEBGLCHILD_H_
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#include <string>
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#include "mozilla/dom/PWebGLChild.h"
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#include "mozilla/dom/IpdlQueue.h"
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// This is a bit weird. Nothing directly in WebGLChild.h necessitates including
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// WebGLParent.h, but if we don't do this, we get compiler errors in the
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// generated code inside PWebGLChild.cpp. The error is due to a complex
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// dependency chain involving IpdlQueue, which I won't go into here. Including
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// WebGLParent.h inside WebGLChild.h is the simplest way we could think of to
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// avoid this issue. Including it in any of the code more directly involved in
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// the breaking dependency chain unfortunately introduces a cyclical dependency
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// between WebGLParent.h and PWebGLParent.h.
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#include "mozilla/dom/WebGLParent.h"
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namespace mozilla {
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class ClientWebGLContext;
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namespace dom {
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struct FlushedCmdInfo final {
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size_t flushes = 0;
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size_t flushedCmdBytes = 0;
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};
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class WebGLChild final : public PWebGLChild, public SupportsWeakPtr {
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const WeakPtr<ClientWebGLContext> mContext;
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const size_t mDefaultCmdsShmemSize;
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webgl::RaiiShmem mPendingCmdsShmem;
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size_t mPendingCmdsPos = 0;
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FlushedCmdInfo mFlushedCmdInfo;
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebGLChild, override);
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using OtherSideActor = WebGLParent;
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explicit WebGLChild(ClientWebGLContext&);
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Maybe<Range<uint8_t>> AllocPendingCmdBytes(size_t);
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void FlushPendingCmds();
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void ActorDestroy(ActorDestroyReason why) override;
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private:
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friend PWebGLChild;
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virtual ~WebGLChild();
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public:
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mozilla::ipc::IPCResult RecvJsWarning(const std::string&) const;
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mozilla::ipc::IPCResult RecvOnContextLoss(webgl::ContextLossReason) const;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // WEBGLCHILD_H_
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