gecko-dev/dom/canvas/WebGLSync.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "WebGLSync.h"

#include "GLContext.h"
#include "mozilla/dom/WebGL2RenderingContextBinding.h"
#include "WebGLContext.h"

namespace mozilla {

WebGLSync::WebGLSync(WebGLContext* webgl, GLenum condition, GLbitfield flags)
    : WebGLRefCountedObject(webgl)
    , mGLName(mContext->gl->fFenceSync(condition, flags))
    , mFenceId(mContext->mNextFenceId)
{
    mContext->mNextFenceId += 1;
    mContext->mSyncs.insertBack(this);
}

WebGLSync::~WebGLSync()
{
    DeleteOnce();
}

void
WebGLSync::Delete()
{
    mContext->gl->fDeleteSync(mGLName);
    LinkedListElement<WebGLSync>::removeFrom(mContext->mSyncs);
}

WebGLContext*
WebGLSync::GetParentObject() const
{
    return mContext;
}

void
WebGLSync::MarkSignaled() const
{
    if (mContext->mCompletedFenceId < mFenceId) {
        mContext->mCompletedFenceId = mFenceId;
    }
}

// -------------------------------------------------------------------------
// IMPLEMENT NS
JSObject*
WebGLSync::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)
{
    return dom::WebGLSyncBinding::Wrap(cx, this, givenProto);
}

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSync)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLSync, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLSync, Release);

} // namespace mozilla