OpenSubdiv/opensubdiv/osd/d3d11ComputeContext.h
2012-12-13 10:22:30 -08:00

214 lines
7.3 KiB
C++

//
// Copyright (C) Pixar. All rights reserved.
//
// This license governs use of the accompanying software. If you
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// the license, do not use the software.
//
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// any additions or changes to the software.
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// directly on its contribution.
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#ifndef OSD_D3D11_COMPUTE_CONTEXT_H
#define OSD_D3D11_COMPUTE_CONTEXT_H
#include "../version.h"
#include "../far/table.h"
#include "../far/vertexEditTables.h"
#include "../osd/computeContext.h"
#include <D3D11.h>
#include <vector>
struct ID3D11Buffer;
struct ID3D11Device;
struct ID3D11DeviceContext;
struct ID3D11ShaderResourceView;
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
class OsdD3D11ComputeKernelBundle;
// ----------------------------------------------------------------------------
class OsdD3D11ComputeTable : OsdNonCopyable<OsdD3D11ComputeTable> {
public:
OsdD3D11ComputeTable(const FarTable<int> &farTable, ID3D11DeviceContext *deviceContext);
OsdD3D11ComputeTable(const FarTable<unsigned int> &farTable, ID3D11DeviceContext *deviceContext);
OsdD3D11ComputeTable(const FarTable<float> &farTable, ID3D11DeviceContext *deviceContext);
virtual ~OsdD3D11ComputeTable();
ID3D11Buffer * GetBuffer() const;
ID3D11ShaderResourceView * GetSRV() const;
int GetMarker(int level) const;
int GetNumElements(int level) const;
private:
void createBuffer(int size, const void *ptr, DXGI_FORMAT format, int numElements, ID3D11DeviceContext *deviceContext);
ID3D11Buffer * _buffer;
ID3D11ShaderResourceView * _srv;
FarTableMarkers _marker;
};
// ----------------------------------------------------------------------------
class OsdD3D11ComputeHEditTable : OsdNonCopyable<OsdD3D11ComputeHEditTable> {
public:
OsdD3D11ComputeHEditTable(const FarVertexEditTables<OsdVertex>::
VertexEditBatch &batch, ID3D11DeviceContext *deviceContext);
virtual ~OsdD3D11ComputeHEditTable();
const OsdD3D11ComputeTable * GetPrimvarIndices() const;
const OsdD3D11ComputeTable * GetEditValues() const;
int GetOperation() const;
int GetPrimvarOffset() const;
int GetPrimvarWidth() const;
private:
OsdD3D11ComputeTable *_primvarIndicesTable;
OsdD3D11ComputeTable *_editValuesTable;
int _operation;
int _primvarOffset;
int _primvarWidth;
};
// ----------------------------------------------------------------------------
class OsdD3D11ComputeContext : public OsdComputeContext {
public:
static OsdD3D11ComputeContext * Create(FarMesh<OsdVertex> *farmesh, ID3D11DeviceContext *deviceContext);
virtual ~OsdD3D11ComputeContext();
template<class VERTEX_BUFFER, class VARYING_BUFFER>
void Bind(VERTEX_BUFFER *vertex, VARYING_BUFFER *varying) {
_currentVertexBufferUAV = vertex ? vertex->BindD3D11UAV(_deviceContext) : 0;
_currentVaryingBufferUAV = varying ? varying->BindD3D11UAV(_deviceContext) : 0;
_numVertexElements = vertex ? vertex->GetNumElements() : 0;
_numVaryingElements = varying ? varying->GetNumElements() : 0;
bindShaderStorageBuffers();
}
void Unbind() {
_currentVertexBufferUAV = 0;
_currentVaryingBufferUAV = 0;
unbindShaderStorageBuffers();
}
const OsdD3D11ComputeTable * GetTable(int tableIndex) const;
int GetNumEditTables() const;
const OsdD3D11ComputeHEditTable * GetEditTable(int tableIndex) const;
ID3D11UnorderedAccessView * GetCurrentVertexBufferUAV() const;
ID3D11UnorderedAccessView * GetCurrentVaryingBufferUAV() const;
int GetNumCurrentVertexElements() const;
int GetNumCurrentVaryingElements() const;
OsdD3D11ComputeKernelBundle * GetKernelBundle() const;
void SetKernelBundle(OsdD3D11ComputeKernelBundle *kernelBundle);
ID3D11DeviceContext * GetDeviceContext() const;
void SetDeviceContext(ID3D11DeviceContext *deviceContext);
void BindEditShaderStorageBuffers(int editIndex);
void UnbindEditShaderStorageBuffers();
protected:
explicit OsdD3D11ComputeContext(FarMesh<OsdVertex> *farMesh, ID3D11DeviceContext *deviceContext);
void bindShaderStorageBuffers();
void unbindShaderStorageBuffers();
private:
std::vector<OsdD3D11ComputeTable*> _tables;
std::vector<OsdD3D11ComputeHEditTable*> _editTables;
ID3D11DeviceContext *_deviceContext;
int _numVertexElements;
int _numVaryingElements;
ID3D11UnorderedAccessView * _currentVertexBufferUAV;
ID3D11UnorderedAccessView * _currentVaryingBufferUAV;
OsdD3D11ComputeKernelBundle * _kernelBundle;
};
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif // OSD_D3D11_COMPUTE_CONTEXT_H