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73 lines
1.8 KiB
C++
73 lines
1.8 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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namespace webgl {
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class AvailabilityRunnable;
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} // namespace webgl
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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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{
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friend class webgl::AvailabilityRunnable;
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friend class WebGLRefCountedObject<WebGLQuery>;
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public:
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const GLuint mGLName;
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private:
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GLenum mTarget;
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WebGLRefPtr<WebGLQuery>* mActiveSlot;
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bool mCanBeAvailable = false; // Track whether the event loop has spun
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////
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public:
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GLenum Target() const { return mTarget; }
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bool IsActive() const { return bool(mActiveSlot); }
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////
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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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explicit WebGLQuery(WebGLContext* webgl);
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private:
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~WebGLQuery() {
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DeleteOnce();
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};
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// WebGLRefCountedObject
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void Delete();
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public:
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WebGLContext* GetParentObject() const { return mContext; }
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virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
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////
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void BeginQuery(GLenum target, WebGLRefPtr<WebGLQuery>& slot);
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void DeleteQuery();
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void EndQuery();
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void GetQueryParameter(GLenum pname, JS::MutableHandleValue retval) const;
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bool IsQuery() const;
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void QueryCounter(const char* funcName, GLenum target);
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};
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} // namespace mozilla
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#endif // WEBGL_QUERY_H_
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