81 lines
2.4 KiB
Objective-C
81 lines
2.4 KiB
Objective-C
//
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// Copyright 2013 Pixar
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//
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// Licensed under the terms set forth in the LICENSE.txt file available at
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// https://opensubdiv.org/license.
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//
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#ifndef OPENSUBDIV3_OSD_MTL_PATCH_TABLE_H
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#define OPENSUBDIV3_OSD_MTL_PATCH_TABLE_H
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#include "../version.h"
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#include "../far/patchDescriptor.h"
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#include "../osd/nonCopyable.h"
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#include "../osd/types.h"
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#include "../osd/mtlCommon.h"
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@protocol MTLDevice;
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@protocol MTLBuffer;
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Far {
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class PatchTable;
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};
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namespace Osd {
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class MTLPatchTable : private NonCopyable<MTLPatchTable> {
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public:
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using VertexBufferBinding = id<MTLBuffer>; // buffer binding type
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MTLPatchTable();
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~MTLPatchTable();
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template<typename DEVICE_CONTEXT>
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static MTLPatchTable *Create(Far::PatchTable const *farPatchTable, DEVICE_CONTEXT context)
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{
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return Create(farPatchTable, context);
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}
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static MTLPatchTable *Create(Far::PatchTable const *farPatchTable, MTLContext* context);
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PatchArrayVector const &GetPatchArrays() const { return _patchArrays; }
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id<MTLBuffer> GetPatchIndexBuffer() const { return _indexBuffer; }
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id<MTLBuffer> GetPatchParamBuffer() const { return _patchParamBuffer; }
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PatchArrayVector const &GetVaryingPatchArrays() const { return _varyingPatchArrays; }
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id<MTLBuffer> GetVaryingPatchIndexBuffer() const { return _varyingPatchIndexBuffer; }
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int GetNumFVarChannels() const { return (int)_fvarPatchArrays.size(); }
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PatchArrayVector const &GetFVarPatchArrays(int fvarChannel = 0) const { return _fvarPatchArrays[fvarChannel]; }
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id<MTLBuffer> GetFVarPatchIndexBuffer(int fvarChannel = 0) const { return _fvarIndexBuffers[fvarChannel]; }
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id<MTLBuffer> GetFVarPatchParamBuffer(int fvarChannel = 0) const { return _fvarParamBuffers[fvarChannel]; }
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protected:
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bool allocate(Far::PatchTable const *farPatchTable, MTLContext* context);
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PatchArrayVector _patchArrays;
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id<MTLBuffer> _indexBuffer;
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id<MTLBuffer> _patchParamBuffer;
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PatchArrayVector _varyingPatchArrays;
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id<MTLBuffer> _varyingPatchIndexBuffer;
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std::vector<PatchArrayVector> _fvarPatchArrays;
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std::vector<id<MTLBuffer>> _fvarIndexBuffers;
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std::vector<id<MTLBuffer>> _fvarParamBuffers;
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};
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} // end namespace Osd
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} //end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} //end namespace OpenSubdiv
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#endif //end OPENSUBDIV3_OSD_MTL_PATCH_TABLE_H
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