OpenSubdiv/opensubdiv/osd/cudaComputeContext.h
manuelk c399655dcc Landing 3.0.0.alpha
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.
2014-09-05 15:07:46 -07:00

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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_COMPUTE_CONTEXT_H
#define OSD_CUDA_COMPUTE_CONTEXT_H
#include "../version.h"
#include "../osd/nonCopyable.h"
#include <stdlib.h>
#include <vector>
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Far{ class StencilTables; }
namespace Osd {
///
/// \brief CUDA Refine Context
///
/// The CUDA implementation of the Refine module contextual functionality.
///
/// Contexts interface the serialized topological data pertaining to the
/// geometric primitives with the capabilities of the selected discrete
/// compute device.
///
class CudaComputeContext : public NonCopyable<CudaComputeContext> {
public:
/// Creates an CudaComputeContext instance
///
/// @param vertexStencilTables The Far::StencilTables used for vertex
/// interpolation
///
/// @param varyingStencilTables The Far::StencilTables used for varying
/// interpolation
///
static CudaComputeContext * Create(Far::StencilTables const * vertexStencilTables,
Far::StencilTables const * varyingStencilTables=0);
/// Destructor
virtual ~CudaComputeContext();
/// Returns true if the Context has a 'vertex' interpolation stencil table
bool HasVertexStencilTables() const;
/// Returns true if the Context has a 'varying' interpolation stencil table
bool HasVaryingStencilTables() const;
/// Returns the number of control vertices
int GetNumControlVertices() const {
return _numControlVertices;
}
/// Returns the Cuda buffer containing vertex-stencil stencil sizes
void * GetVertexStencilTablesSizes() const;
/// Returns the Cuda buffer containing vertex-stencil stencil offsets
void * GetVertexStencilTablesOffsets() const;
/// Returns the Cuda buffer containing vertex-stencil stencil indices
void * GetVertexStencilTablesIndices() const;
/// Returns the Cuda buffer containing vertex-stencil stencil weights
void * GetVertexStencilTablesWeights() const;
/// Returns the Cuda buffer containing Varying-stencil stencil sizes
void * GetVaryingStencilTablesSizes() const;
/// Returns the Cuda buffer containing Varying-stencil stencil offsets
void * GetVaryingStencilTablesOffsets() const;
/// Returns the Cuda buffer containing Varying-stencil stencil indices
void * GetVaryingStencilTablesIndices() const;
/// Returns the Cuda buffer containing Varying-stencil stencil weights
void * GetVaryingStencilTablesWeights() const;
protected:
explicit CudaComputeContext(Far::StencilTables const * vertexStencilTables,
Far::StencilTables const * varyingStencilTables);
private:
class CudaStencilTables;
CudaStencilTables * _vertexStencilTables,
* _varyingStencilTables;
int _numControlVertices;
};
} // end namespace Osd
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif // OSD_CUDA_COMPUTE_CONTEXT_H