mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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85 lines
2.4 KiB
Objective-C
85 lines
2.4 KiB
Objective-C
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache 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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{
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namespace OPENSUBDIV_VERSION
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{
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namespace Osd
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{
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class CPUMTLVertexBuffer
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{
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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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