OpenSubdiv/opensubdiv/osd/mtlVertexBuffer.h
David G Yu 291eff0bed Mtl implementation whitespace fixes
Fixed numerous whitespace inconsistencies and violations
in the core osd metal implementation and examples.
2019-05-22 18:00:36 -07:00

84 lines
2.3 KiB
Objective-C

//
// Copyright 2013 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
#define OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
#include "../version.h"
#include "../osd/mtlCommon.h"
@protocol MTLDevice;
@protocol MTLBuffer;
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Osd {
class CPUMTLVertexBuffer {
public:
static CPUMTLVertexBuffer* Create(int numElements, int numVertices, MTLContext* context);
void UpdateData(const float* src, int startVertex, int numVertices, MTLContext* context);
int GetNumElements() const
{
return _numElements;
}
int GetNumVertices() const
{
return _numVertices;
}
float* BindCpuBuffer();
id<MTLBuffer> BindMTLBuffer(MTLContext* context);
id<MTLBuffer> BindVBO(MTLContext* context)
{
return BindMTLBuffer(context);
}
protected:
CPUMTLVertexBuffer(int numElements, int numVertices);
bool allocate(MTLContext* context);
private:
int _numElements;
int _numVertices;
id<MTLBuffer> _buffer;
bool _dirty;
};
} //end namespace Osd
} //end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} //end namespace OpenSubdiv
#endif // OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H