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26 #ifndef WebGLVertexArrayObjectOES_h
27 #define WebGLVertexArrayObjectOES_h
29 #include "bindings/v8/ScriptWrappable.h"
30 #include "core/html/canvas/WebGLBuffer.h"
31 #include "core/html/canvas/WebGLContextObject.h"
32 #include "wtf/PassRefPtr.h"
36 class WebGLVertexArrayObjectOES : public WebGLContextObject, public ScriptWrappable {
43 virtual ~WebGLVertexArrayObjectOES();
45 static PassRefPtr<WebGLVertexArrayObjectOES> create(WebGLRenderingContext*, VaoType);
47 // Cached values for vertex attrib range checks
48 struct VertexAttribState {
53 , type(GraphicsContext3D::FLOAT)
63 RefPtr<WebGLBuffer> bufferBinding;
64 GC3Dsizei bytesPerElement;
69 GC3Dsizei originalStride;
74 bool isDefaultObject() const { return m_type == VaoTypeDefault; }
76 bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
77 void setHasEverBeenBound() { m_hasEverBeenBound = true; }
79 PassRefPtr<WebGLBuffer> boundElementArrayBuffer() const { return m_boundElementArrayBuffer; }
80 void setElementArrayBuffer(PassRefPtr<WebGLBuffer>);
82 VertexAttribState& getVertexAttribState(int index) { return m_vertexAttribState[index]; }
83 void setVertexAttribState(GC3Duint, GC3Dsizei, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dintptr, PassRefPtr<WebGLBuffer>);
84 void unbindBuffer(PassRefPtr<WebGLBuffer>);
85 void setVertexAttribDivisor(GC3Duint index, GC3Duint divisor);
88 WebGLVertexArrayObjectOES(WebGLRenderingContext*, VaoType);
90 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject);
92 virtual bool isVertexArray() const { return true; }
95 bool m_hasEverBeenBound;
96 RefPtr<WebGLBuffer> m_boundElementArrayBuffer;
97 Vector<VertexAttribState> m_vertexAttribState;
100 } // namespace WebCore
102 #endif // WebGLVertexArrayObjectOES_h