зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.2 KiB
C++
84 строки
2.2 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_VERTEX_ARRAY_H_
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#define WEBGL_VERTEX_ARRAY_H_
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#include "nsTArray.h"
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#include "mozilla/LinkedList.h"
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#include "nsWrapperCache.h"
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#include "WebGLBuffer.h"
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#include "WebGLObjectModel.h"
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#include "WebGLStrongTypes.h"
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#include "WebGLVertexAttribData.h"
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namespace mozilla {
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class WebGLVertexArrayFake;
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class WebGLVertexArray
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: public nsWrapperCache
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, public WebGLRefCountedObject<WebGLVertexArray>
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, public LinkedListElement<WebGLVertexArray>
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, public WebGLContextBoundObject
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{
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public:
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static WebGLVertexArray* Create(WebGLContext* webgl);
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void BindVertexArray() {
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// Bind to dummy value to signal that this vertex array has ever been
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// bound.
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BindVertexArrayImpl();
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};
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void EnsureAttrib(GLuint index);
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bool HasAttrib(GLuint index) const {
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return index < mAttribs.Length();
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}
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bool IsAttribArrayEnabled(GLuint index) const {
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return HasAttrib(index) && mAttribs[index].enabled;
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}
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// Implement parent classes:
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void Delete();
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bool IsVertexArray();
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WebGLContext* GetParentObject() const {
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return mContext;
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}
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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(WebGLVertexArray)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLVertexArray)
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GLuint GLName() const { return mGLName; }
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protected:
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explicit WebGLVertexArray(WebGLContext* webgl);
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virtual ~WebGLVertexArray() {
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MOZ_ASSERT(IsDeleted());
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}
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virtual void GenVertexArray() = 0;
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virtual void BindVertexArrayImpl() = 0;
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virtual void DeleteImpl() = 0;
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virtual bool IsVertexArrayImpl() = 0;
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GLuint mGLName;
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nsTArray<WebGLVertexAttribData> mAttribs;
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WebGLRefPtr<WebGLBuffer> mElementArrayBuffer;
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friend class WebGLContext;
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friend class WebGLVertexArrayFake;
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friend class WebGL2Context;
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};
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} // namespace mozilla
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#endif // WEBGL_VERTEX_ARRAY_H_
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