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/* -*- Mode: C++; tab-width: 4; 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/. */
#ifndef WEBGLCHILD_H_
#define WEBGLCHILD_H_
#include "mozilla/dom/PWebGLChild.h"
#include "mozilla/ipc/BigBuffer.h"
#include "mozilla/WeakPtr.h"
#include <string>
namespace mozilla {
class ClientWebGLContext;
namespace dom {
struct FlushedCmdInfo final {
size_t flushes = 0;
size_t flushedCmdBytes = 0;
size_t overhead = 0;
};
class WebGLChild final : public PWebGLChild, public SupportsWeakPtr {
const WeakPtr<ClientWebGLContext> mContext;
const size_t mDefaultCmdsShmemSize;
mozilla::ipc::BigBuffer mPendingCmdsShmem;
size_t mPendingCmdsPos = 0;
size_t mPendingCmdsAlignmentOverhead = 0;
FlushedCmdInfo mFlushedCmdInfo;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebGLChild, override);
explicit WebGLChild(ClientWebGLContext&);
Maybe<Range<uint8_t>> AllocPendingCmdBytes(size_t,
size_t fyiAlignmentOverhead);
void FlushPendingCmds();
void ActorDestroy(ActorDestroyReason why) override;
private:
friend PWebGLChild;
virtual ~WebGLChild();
public:
mozilla::ipc::IPCResult RecvJsWarning(const std::string&) const;
mozilla::ipc::IPCResult RecvOnContextLoss(webgl::ContextLossReason) const;
};
} // namespace dom
} // namespace mozilla
#endif // WEBGLCHILD_H_
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