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d1e3759806
I also unraveled lots of transitive deps from Handle.h R=ojan@chromium.org Review URL: https://codereview.chromium.org/709203002
126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef WebGLVertexArrayObjectOES_h
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#define WebGLVertexArrayObjectOES_h
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#include "bindings/core/v8/ScriptWrappable.h"
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#include "core/html/canvas/WebGLBuffer.h"
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#include "core/html/canvas/WebGLContextObject.h"
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#include "wtf/RefCounted.h"
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#include "wtf/PassRefPtr.h"
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#include "wtf/Vector.h"
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namespace blink {
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class WebGLVertexArrayObjectOES final : public WebGLContextObject, public ScriptWrappable {
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DEFINE_WRAPPERTYPEINFO();
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public:
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enum VaoType {
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VaoTypeDefault,
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VaoTypeUser,
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};
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virtual ~WebGLVertexArrayObjectOES();
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static PassRefPtr<WebGLVertexArrayObjectOES> create(WebGLRenderingContextBase*, VaoType);
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// Cached values for vertex attrib range checks
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class VertexAttribState final {
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ALLOW_ONLY_INLINE_ALLOCATION();
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public:
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VertexAttribState()
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: enabled(false)
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, bytesPerElement(0)
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, size(4)
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, type(GL_FLOAT)
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, normalized(false)
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, stride(16)
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, originalStride(0)
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, offset(0)
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, divisor(0)
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{
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}
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bool enabled;
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RefPtr<WebGLBuffer> bufferBinding;
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GLsizei bytesPerElement;
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GLint size;
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GLenum type;
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bool normalized;
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GLsizei stride;
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GLsizei originalStride;
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GLintptr offset;
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GLuint divisor;
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};
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bool isDefaultObject() const { return m_type == VaoTypeDefault; }
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bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
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void setHasEverBeenBound() { m_hasEverBeenBound = true; }
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PassRefPtr<WebGLBuffer> boundElementArrayBuffer() const { return m_boundElementArrayBuffer; }
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void setElementArrayBuffer(PassRefPtr<WebGLBuffer>);
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VertexAttribState& getVertexAttribState(int index) { return m_vertexAttribState[index]; }
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void setVertexAttribState(GLuint, GLsizei, GLint, GLenum, GLboolean, GLsizei, GLintptr, PassRefPtr<WebGLBuffer>);
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void unbindBuffer(PassRefPtr<WebGLBuffer>);
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void setVertexAttribDivisor(GLuint index, GLuint divisor);
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private:
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WebGLVertexArrayObjectOES(WebGLRenderingContextBase*, VaoType);
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void dispatchDetached(blink::WebGraphicsContext3D*);
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virtual void deleteObjectImpl(blink::WebGraphicsContext3D*, Platform3DObject) override;
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VaoType m_type;
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bool m_hasEverBeenBound;
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#if ENABLE(OILPAN)
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bool m_destructionInProgress;
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#endif
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RefPtr<WebGLBuffer> m_boundElementArrayBuffer;
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Vector<VertexAttribState> m_vertexAttribState;
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};
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} // namespace blink
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namespace WTF {
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template<>
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struct VectorTraits<blink::WebGLVertexArrayObjectOES::VertexAttribState> : SimpleClassVectorTraits<blink::WebGLVertexArrayObjectOES::VertexAttribState> {
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// Specialization needed as the VertexAttribState's struct fields
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// aren't handled as desired by the IsPod() trait.
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#if ENABLE(OILPAN)
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static const bool needsDestruction = false;
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#endif
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// Must use the constructor.
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static const bool canInitializeWithMemset = false;
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static const bool canCopyWithMemcpy = true;
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};
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} // namespace WTF
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#endif // WebGLVertexArrayObjectOES_h
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