67 lines
1.3 KiB
Objective-C
67 lines
1.3 KiB
Objective-C
//
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// Copyright 2013 Pixar
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//
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// Licensed under the terms set forth in the LICENSE.txt file available at
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// https://opensubdiv.org/license.
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//
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#ifndef OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
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#define OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
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#include "../version.h"
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#include "../osd/mtlCommon.h"
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@protocol MTLDevice;
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@protocol MTLBuffer;
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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class CPUMTLVertexBuffer {
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public:
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static CPUMTLVertexBuffer* Create(int numElements, int numVertices, MTLContext* context);
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void UpdateData(const float* src, int startVertex, int numVertices, MTLContext* context);
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int GetNumElements() const
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{
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return _numElements;
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}
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int GetNumVertices() const
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{
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return _numVertices;
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}
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float* BindCpuBuffer();
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id<MTLBuffer> BindMTLBuffer(MTLContext* context);
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id<MTLBuffer> BindVBO(MTLContext* context)
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{
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return BindMTLBuffer(context);
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}
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protected:
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CPUMTLVertexBuffer(int numElements, int numVertices);
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bool allocate(MTLContext* context);
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private:
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int _numElements;
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int _numVertices;
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id<MTLBuffer> _buffer;
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bool _dirty;
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};
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} //end namespace Osd
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} //end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} //end namespace OpenSubdiv
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#endif // OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
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