mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-09 13:50:05 +00:00
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
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_CPU_VERTEX_BUFFER_H
|
|
#define OPENSUBDIV3_OSD_CPU_VERTEX_BUFFER_H
|
|
|
|
#include "../version.h"
|
|
|
|
#include <cstddef>
|
|
|
|
namespace OpenSubdiv {
|
|
namespace OPENSUBDIV_VERSION {
|
|
|
|
namespace Osd {
|
|
|
|
/// \brief Concrete vertex buffer class for CPU subdivision.
|
|
///
|
|
/// CpuVertexBuffer implements the VertexBufferInterface. An instance
|
|
/// of this buffer class can be passed to CpuEvaluator
|
|
///
|
|
class CpuVertexBuffer {
|
|
public:
|
|
/// Creator. Returns NULL if error.
|
|
static CpuVertexBuffer * Create(int numElements, int numVertices,
|
|
void *deviceContext = NULL);
|
|
|
|
/// Destructor.
|
|
~CpuVertexBuffer();
|
|
|
|
/// This method is meant to be used in client code in order to provide
|
|
/// coarse vertices data to Osd.
|
|
void UpdateData(const float *src, int startVertex, int numVertices,
|
|
void *deviceContext = NULL);
|
|
|
|
/// Returns how many elements defined in this vertex buffer.
|
|
int GetNumElements() const;
|
|
|
|
/// Returns how many vertices allocated in this vertex buffer.
|
|
int GetNumVertices() const;
|
|
|
|
/// Returns the address of CPU buffer
|
|
float * BindCpuBuffer();
|
|
|
|
protected:
|
|
/// Constructor.
|
|
CpuVertexBuffer(int numElements, int numVertices);
|
|
|
|
private:
|
|
int _numElements;
|
|
int _numVertices;
|
|
float *_cpuBuffer;
|
|
};
|
|
|
|
|
|
} // end namespace Osd
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
using namespace OPENSUBDIV_VERSION;
|
|
|
|
} // end namespace OpenSubdiv
|
|
|
|
#endif // OPENSUBDIV3_OSD_CPU_VERTEX_BUFFER_H
|