mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-25 04:50:06 +00:00
c399655dcc
Sync'ing the 'dev' branch with the 'feature_3.0dev' branch at commit 68c6d11fc36761ae1a5e6cdc3457be16f2e9704a The branch 'feature_3.0dev' is now locked and preserved for historical purposes.
106 lines
3.3 KiB
C++
106 lines
3.3 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 OSD_CUDA_D3D11_VERTEX_BUFFER_H
|
|
#define OSD_CUDA_D3D11_VERTEX_BUFFER_H
|
|
|
|
#include "../version.h"
|
|
|
|
struct cudaGraphicsResource;
|
|
|
|
struct ID3D11Buffer;
|
|
struct ID3D11Device;
|
|
struct ID3D11DeviceContext;
|
|
|
|
namespace OpenSubdiv {
|
|
namespace OPENSUBDIV_VERSION {
|
|
|
|
namespace Osd {
|
|
|
|
/// \brief Concrete vertex buffer class for cuda subvision and D3D11 drawing.
|
|
///
|
|
/// CudaD3D11VertexBuffer implements CudaVertexBufferInterface and
|
|
/// D3D11VertexBufferInterface.
|
|
///
|
|
/// The buffer interop between Cuda and D3D is handled automatically when a
|
|
/// client calls BindCudaBuffer and BindVBO methods.
|
|
///
|
|
class CudaD3D11VertexBuffer {
|
|
public:
|
|
/// Creator. Returns NULL if error.
|
|
static CudaD3D11VertexBuffer * Create(int numElements,
|
|
int numVertices,
|
|
ID3D11Device *device);
|
|
|
|
/// Destructor.
|
|
virtual ~CudaD3D11VertexBuffer();
|
|
|
|
/// 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 *param);
|
|
|
|
/// 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 cuda memory. DX buffer will be mapped to cuda resource
|
|
/// if necessary.
|
|
float * BindCudaBuffer();
|
|
|
|
/// Returns the D3D11 buffer object.
|
|
ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
|
|
|
|
protected:
|
|
/// Constructor.
|
|
CudaD3D11VertexBuffer(int numElements,
|
|
int numVertices,
|
|
ID3D11Device *device);
|
|
|
|
bool allocate(ID3D11Device *device);
|
|
|
|
// Acqures a cuda resource from DX11
|
|
void map();
|
|
|
|
// Releases a cuda resource to DX11
|
|
void unmap();
|
|
|
|
private:
|
|
int _numElements;
|
|
int _numVertices;
|
|
ID3D11Buffer *_d3d11Buffer;
|
|
void *_cudaBuffer;
|
|
cudaGraphicsResource *_cudaResource;
|
|
};
|
|
|
|
} // end namespace Osd
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
using namespace OPENSUBDIV_VERSION;
|
|
|
|
} // end namespace OpenSubdiv
|
|
|
|
#endif // OSD_CUDA_D3D11_VERTEX_BUFFER_H
|