/* -*- 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/. */ #ifndef WEBGL_QUERY_H_ #define WEBGL_QUERY_H_ #include "mozilla/LinkedList.h" #include "nsWrapperCache.h" #include "WebGLObjectModel.h" #include "nsThreadUtils.h" namespace mozilla { class WebGLQuery final : public nsWrapperCache , public WebGLRefCountedObject<WebGLQuery> , public LinkedListElement<WebGLQuery> { friend class AvailableRunnable; friend class WebGLRefCountedObject<WebGLQuery>; public: const GLuint mGLName; private: GLenum mTarget; WebGLRefPtr<WebGLQuery>* mActiveSlot; bool mCanBeAvailable; // Track whether the event loop has spun //// public: GLenum Target() const { return mTarget; } bool IsActive() const { return bool(mActiveSlot); } //// NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLQuery) NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLQuery) explicit WebGLQuery(WebGLContext* webgl); private: ~WebGLQuery() { DeleteOnce(); }; // WebGLRefCountedObject void Delete(); public: WebGLContext* GetParentObject() const { return mContext; } virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override; //// void BeginQuery(GLenum target, WebGLRefPtr<WebGLQuery>& slot); void DeleteQuery(); void EndQuery(); void GetQueryParameter(GLenum pname, JS::MutableHandleValue retval) const; bool IsQuery() const; void QueryCounter(const char* funcName, GLenum target); }; } // namespace mozilla #endif // WEBGL_QUERY_H_