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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WebGLVertexArrayObjectBase_h
#define WebGLVertexArrayObjectBase_h
#include "bindings/core/v8/TraceWrapperMember.h"
#include "modules/webgl/WebGLBuffer.h"
#include "modules/webgl/WebGLContextObject.h"
#include "platform/heap/Handle.h"
namespace blink {
class WebGLVertexArrayObjectBase : public WebGLContextObject {
public:
enum VaoType {
VaoTypeDefault,
VaoTypeUser,
};
~WebGLVertexArrayObjectBase() override;
GLuint object() const { return m_object; }
bool isDefaultObject() const { return m_type == VaoTypeDefault; }
bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
void setHasEverBeenBound() { m_hasEverBeenBound = true; }
WebGLBuffer* boundElementArrayBuffer() const {
return m_boundElementArrayBuffer;
}
void setElementArrayBuffer(WebGLBuffer*);
WebGLBuffer* getArrayBufferForAttrib(size_t);
void setArrayBufferForAttrib(GLuint, WebGLBuffer*);
void setAttribEnabled(GLuint, bool);
bool getAttribEnabled(GLuint) const;
bool isAllEnabledAttribBufferBound() const {
return m_isAllEnabledAttribBufferBound;
}
void unbindBuffer(WebGLBuffer*);
virtual void visitChildDOMWrappers(v8::Isolate*,
const v8::Persistent<v8::Object>&);
DECLARE_VIRTUAL_TRACE();
DECLARE_VIRTUAL_TRACE_WRAPPERS();
protected:
WebGLVertexArrayObjectBase(WebGLRenderingContextBase*, VaoType);
private:
void dispatchDetached(gpu::gles2::GLES2Interface*);
bool hasObject() const override { return m_object != 0; }
void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
void updateAttribBufferBoundStatus();
GLuint m_object;
VaoType m_type;
bool m_hasEverBeenBound;
TraceWrapperMember<WebGLBuffer> m_boundElementArrayBuffer;
HeapVector<TraceWrapperMember<WebGLBuffer>> m_arrayBufferList;
Vector<bool> m_attribEnabled;
bool m_isAllEnabledAttribBufferBound;
};
} // namespace blink
#endif // WebGLVertexArrayObjectBase_h
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