зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
1.7 KiB
C++
76 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 WEBGL_QUERY_H_
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#define WEBGL_QUERY_H_
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#include "mozilla/LinkedList.h"
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#include "nsWrapperCache.h"
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#include "WebGLObjectModel.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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class WebGLQuery final
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: public nsWrapperCache
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, public WebGLRefCountedObject<WebGLQuery>
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, public LinkedListElement<WebGLQuery>
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, public WebGLContextBoundObject
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{
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public:
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explicit WebGLQuery(WebGLContext* webgl);
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class AvailableRunnable final : public nsRunnable
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{
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public:
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explicit AvailableRunnable(WebGLQuery* query) : mQuery(query) { }
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NS_IMETHOD Run() override {
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mQuery->mCanBeAvailable = true;
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return NS_OK;
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}
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private:
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const RefPtr<WebGLQuery> mQuery;
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};
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bool IsActive() const;
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bool HasEverBeenActive() const {
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return mType != 0;
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}
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// WebGLRefCountedObject
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void Delete();
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// nsWrapperCache
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WebGLContext* GetParentObject() const {
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return mContext;
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}
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// NS
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virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLQuery)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLQuery)
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// Track whether the event loop has spun
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bool mCanBeAvailable;
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private:
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~WebGLQuery() {
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DeleteOnce();
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};
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GLuint mGLName;
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GLenum mType;
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friend class WebGL2Context;
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};
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} // namespace mozilla
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#endif // WEBGL_QUERY_H_
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