mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-23 20:20:09 +00:00
236afb2c06
Implemented EvalPatchesVarying and EvalPatchesFaceVarying methods for Osd::*Evaluator classes, i.e. cpu, omp, tbb, GLXFB, GLSLCompute, OpenCL, and CUDA. Also, the GPU Kernel implementations have been updated to use the common patchBasis implementation instead of re-implementing methods to compute patch basis weights locally.
589 lines
24 KiB
C++
589 lines
24 KiB
C++
//
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// Copyright 2015 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef OPENSUBDIV3_OSD_TBB_EVALUATOR_H
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#define OPENSUBDIV3_OSD_TBB_EVALUATOR_H
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#include "../version.h"
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#include "../osd/types.h"
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#include "../osd/bufferDescriptor.h"
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#include "../far/patchTable.h"
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#include <cstddef>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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class TbbEvaluator {
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public:
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/// ----------------------------------------------------------------------
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///
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/// Stencil evaluations with StencilTable
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///
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/// ----------------------------------------------------------------------
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/// \brief Generic static eval stencils function. This function has a same
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/// signature as other device kernels have so that it can be called
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/// in the same way from OsdMesh template interface.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param stencilTable stencil table to be applied.
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///
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/// @param instance not used in the tbb kernel
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/// (declared as a typed pointer to prevent
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/// undesirable template resolution)
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///
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/// @param deviceContext not used in the tbb kernel
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///
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template <typename SRC_BUFFER, typename DST_BUFFER, typename STENCIL_TABLE>
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static bool EvalStencils(
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SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
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DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
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STENCIL_TABLE const *stencilTable,
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TbbEvaluator const *instance = NULL,
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void *deviceContext = NULL) {
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(void)instance; // unused
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(void)deviceContext; // unused
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if (stencilTable->GetNumStencils() == 0)
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return false;
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return EvalStencils(srcBuffer->BindCpuBuffer(), srcDesc,
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dstBuffer->BindCpuBuffer(), dstDesc,
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&stencilTable->GetSizes()[0],
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&stencilTable->GetOffsets()[0],
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&stencilTable->GetControlIndices()[0],
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&stencilTable->GetWeights()[0],
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/*start = */ 0,
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/*end = */ stencilTable->GetNumStencils());
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}
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/// \brief Static eval stencils function which takes raw CPU pointers for
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/// input and output.
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///
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/// @param src Input primvar pointer. An offset of srcDesc
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/// will be applied internally (i.e. the pointer
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/// should not include the offset)
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dst Output primvar pointer. An offset of dstDesc
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/// will be applied internally.
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param sizes pointer to the sizes buffer of the stencil table
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/// to apply for the range [start, end)
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///
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/// @param offsets pointer to the offsets buffer of the stencil table
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///
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/// @param indices pointer to the indices buffer of the stencil table
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///
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/// @param weights pointer to the weights buffer of the stencil table
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///
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/// @param start start index of stencil table
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///
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/// @param end end index of stencil table
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///
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static bool EvalStencils(
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const float *src, BufferDescriptor const &srcDesc,
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float *dst, BufferDescriptor const &dstDesc,
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const int *sizes,
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const int *offsets,
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const int *indices,
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const float *weights,
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int start, int end);
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/// \brief Generic static eval stencils function with derivatives.
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/// This function has a same signature as other device kernels
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/// have so that it can be called in the same way from OsdMesh
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/// template interface.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param duBuffer Output U-derivative buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param duDesc vertex buffer descriptor for the output buffer
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///
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/// @param dvBuffer Output V-derivative buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dvDesc vertex buffer descriptor for the output buffer
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///
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/// @param stencilTable stencil table to be applied.
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///
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/// @param instance not used in the tbb kernel
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/// (declared as a typed pointer to prevent
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/// undesirable template resolution)
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///
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/// @param deviceContext not used in the tbb kernel
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///
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template <typename SRC_BUFFER, typename DST_BUFFER, typename STENCIL_TABLE>
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static bool EvalStencils(
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SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
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DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
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DST_BUFFER *duBuffer, BufferDescriptor const &duDesc,
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DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc,
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STENCIL_TABLE const *stencilTable,
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const TbbEvaluator *instance = NULL,
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void * deviceContext = NULL) {
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(void)instance; // unused
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(void)deviceContext; // unused
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return EvalStencils(srcBuffer->BindCpuBuffer(), srcDesc,
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dstBuffer->BindCpuBuffer(), dstDesc,
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duBuffer->BindCpuBuffer(), duDesc,
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dvBuffer->BindCpuBuffer(), dvDesc,
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&stencilTable->GetSizes()[0],
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&stencilTable->GetOffsets()[0],
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&stencilTable->GetControlIndices()[0],
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&stencilTable->GetWeights()[0],
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&stencilTable->GetDuWeights()[0],
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&stencilTable->GetDvWeights()[0],
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/*start = */ 0,
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/*end = */ stencilTable->GetNumStencils());
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}
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/// \brief Static eval stencils function with derivatives, which takes
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/// raw CPU pointers for input and output.
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///
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/// @param src Input primvar pointer. An offset of srcDesc
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/// will be applied internally (i.e. the pointer
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/// should not include the offset)
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dst Output primvar pointer. An offset of dstDesc
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/// will be applied internally.
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param du Output s-derivatives pointer. An offset of
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/// duDesc will be applied internally.
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///
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/// @param duDesc vertex buffer descriptor for the output buffer
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///
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/// @param dv Output t-derivatives pointer. An offset of
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/// dvDesc will be applied internally.
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///
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/// @param dvDesc vertex buffer descriptor for the output buffer
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///
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/// @param sizes pointer to the sizes buffer of the stencil table
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/// to apply for the range [start, end)
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///
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/// @param offsets pointer to the offsets buffer of the stencil table
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///
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/// @param indices pointer to the indices buffer of the stencil table
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///
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/// @param weights pointer to the weights buffer of the stencil table
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///
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/// @param duWeights pointer to the u-weights buffer of the stencil table
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///
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/// @param dvWeights pointer to the v-weights buffer of the stencil table
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///
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/// @param start start index of stencil table
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///
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/// @param end end index of stencil table
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///
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static bool EvalStencils(
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const float *src, BufferDescriptor const &srcDesc,
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float *dst, BufferDescriptor const &dstDesc,
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float *du, BufferDescriptor const &duDesc,
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float *dv, BufferDescriptor const &dvDesc,
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const int * sizes,
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const int * offsets,
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const int * indices,
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const float * weights,
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const float * duWeights,
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const float * dvWeights,
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int start, int end);
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/// ----------------------------------------------------------------------
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///
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/// Limit evaluations with PatchTable
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///
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/// ----------------------------------------------------------------------
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/// \brief Generic limit eval function. This function has a same
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/// signature as other device kernels have so that it can be called
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/// in the same way.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param numPatchCoords number of patchCoords.
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///
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/// @param patchCoords array of locations to be evaluated.
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///
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/// @param patchTable Far::PatchTable
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///
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/// @param instance not used in the cpu evaluator
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///
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/// @param deviceContext not used in the cpu evaluator
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///
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template <typename SRC_BUFFER, typename DST_BUFFER,
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typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
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static bool EvalPatches(
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SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
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DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
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int numPatchCoords,
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PATCHCOORD_BUFFER *patchCoords,
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PATCH_TABLE *patchTable,
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TbbEvaluator const *instance = NULL,
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void * deviceContext = NULL) {
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(void)instance; // unused
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(void)deviceContext; // unused
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return EvalPatches(srcBuffer->BindCpuBuffer(),
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srcDesc,
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dstBuffer->BindCpuBuffer(),
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dstDesc,
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numPatchCoords,
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(const PatchCoord*)patchCoords->BindCpuBuffer(),
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patchTable->GetPatchArrayBuffer(),
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patchTable->GetPatchIndexBuffer(),
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patchTable->GetPatchParamBuffer());
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}
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/// \brief Generic limit eval function with derivatives. This function has
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/// a same signature as other device kernels have so that it can be
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/// called in the same way.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param duBuffer Output s-derivatives buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param duDesc vertex buffer descriptor for the duBuffer
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///
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/// @param dvBuffer Output t-derivatives buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dvDesc vertex buffer descriptor for the dvBuffer
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///
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/// @param numPatchCoords number of patchCoords.
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///
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/// @param patchCoords array of locations to be evaluated.
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///
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/// @param patchTable Far::PatchTable
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///
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/// @param instance not used in the cpu evaluator
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///
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/// @param deviceContext not used in the cpu evaluator
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///
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template <typename SRC_BUFFER, typename DST_BUFFER,
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typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
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static bool EvalPatches(
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SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
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DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
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DST_BUFFER *duBuffer, BufferDescriptor const &duDesc,
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DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc,
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int numPatchCoords,
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PATCHCOORD_BUFFER *patchCoords,
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PATCH_TABLE *patchTable,
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TbbEvaluator const *instance = NULL,
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void * deviceContext = NULL) {
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(void)instance; // unused
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(void)deviceContext; // unused
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return EvalPatches(
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srcBuffer->BindCpuBuffer(), srcDesc,
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dstBuffer->BindCpuBuffer(), dstDesc,
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duBuffer->BindCpuBuffer(), duDesc,
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dvBuffer->BindCpuBuffer(), dvDesc,
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numPatchCoords,
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(const PatchCoord*)patchCoords->BindCpuBuffer(),
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patchTable->GetPatchArrayBuffer(),
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patchTable->GetPatchIndexBuffer(),
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patchTable->GetPatchParamBuffer());
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}
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/// \brief Static limit eval function. It takes an array of PatchCoord
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/// and evaluate limit values on given PatchTable.
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///
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/// @param src Input primvar pointer. An offset of srcDesc
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/// will be applied internally (i.e. the pointer
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/// should not include the offset)
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dst Output primvar pointer. An offset of dstDesc
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/// will be applied internally.
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param numPatchCoords number of patchCoords.
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///
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/// @param patchCoords array of locations to be evaluated.
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///
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/// @param patchArrays an array of Osd::PatchArray struct
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/// indexed by PatchCoord::arrayIndex
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///
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/// @param patchIndexBuffer an array of patch indices
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/// indexed by PatchCoord::vertIndex
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///
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/// @param patchParamBuffer an array of Osd::PatchParam struct
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/// indexed by PatchCoord::patchIndex
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///
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static bool EvalPatches(
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const float *src, BufferDescriptor const &srcDesc,
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float *dst, BufferDescriptor const &dstDesc,
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int numPatchCoords,
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const PatchCoord *patchCoords,
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const PatchArray *patchArrays,
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const int *patchIndexBuffer,
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const PatchParam *patchParamBuffer);
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/// \brief Static limit eval function. It takes an array of PatchCoord
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/// and evaluate limit values on given PatchTable.
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///
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/// @param src Input primvar pointer. An offset of srcDesc
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/// will be applied internally (i.e. the pointer
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/// should not include the offset)
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dst Output primvar pointer. An offset of dstDesc
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/// will be applied internally.
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param du Output s-derivatives pointer. An offset of
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/// duDesc will be applied internally.
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///
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/// @param duDesc vertex buffer descriptor for the du buffer
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///
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/// @param dv Output t-derivatives pointer. An offset of
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/// dvDesc will be applied internally.
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///
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/// @param dvDesc vertex buffer descriptor for the dv buffer
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///
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/// @param numPatchCoords number of patchCoords.
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///
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/// @param patchCoords array of locations to be evaluated.
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///
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/// @param patchArrays an array of Osd::PatchArray struct
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/// indexed by PatchCoord::arrayIndex
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///
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/// @param patchIndexBuffer an array of patch indices
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/// indexed by PatchCoord::vertIndex
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///
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/// @param patchParamBuffer an array of Osd::PatchParam struct
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/// indexed by PatchCoord::patchIndex
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///
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static bool EvalPatches(
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const float *src, BufferDescriptor const &srcDesc,
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float *dst, BufferDescriptor const &dstDesc,
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float *du, BufferDescriptor const &duDesc,
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float *dv, BufferDescriptor const &dvDesc,
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int numPatchCoords,
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const PatchCoord *patchCoords,
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const PatchArray *patchArrays,
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const int *patchIndexBuffer,
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const PatchParam *patchParamBuffer);
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/// \brief Generic limit eval function. This function has a same
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/// signature as other device kernels have so that it can be called
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/// in the same way.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
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/// float pointer for write
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///
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/// @param dstDesc vertex buffer descriptor for the output buffer
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///
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/// @param numPatchCoords number of patchCoords.
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///
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/// @param patchCoords array of locations to be evaluated.
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///
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/// @param patchTable Far::PatchTable
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///
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/// @param instance not used in the cpu evaluator
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///
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/// @param deviceContext not used in the cpu evaluator
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///
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template <typename SRC_BUFFER, typename DST_BUFFER,
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typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
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static bool EvalPatchesVarying(
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SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
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DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
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int numPatchCoords,
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PATCHCOORD_BUFFER *patchCoords,
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PATCH_TABLE *patchTable,
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TbbEvaluator const *instance = NULL,
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void * deviceContext = NULL) {
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(void)instance; // unused
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(void)deviceContext; // unused
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return EvalPatches(srcBuffer->BindCpuBuffer(),
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srcDesc,
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dstBuffer->BindCpuBuffer(),
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dstDesc,
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numPatchCoords,
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(const PatchCoord*)patchCoords->BindCpuBuffer(),
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patchTable->GetVaryingPatchArrayBuffer(),
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patchTable->GetVaryingPatchIndexBuffer(),
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patchTable->GetPatchParamBuffer());
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}
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/// \brief Generic limit eval function. This function has a same
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/// signature as other device kernels have so that it can be called
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/// in the same way.
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///
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/// @param srcBuffer Input primvar buffer.
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/// must have BindCpuBuffer() method returning a
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/// const float pointer for read
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///
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/// @param srcDesc vertex buffer descriptor for the input buffer
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///
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/// @param dstBuffer Output primvar buffer
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/// must have BindCpuBuffer() method returning a
|
|
/// float pointer for write
|
|
///
|
|
/// @param dstDesc vertex buffer descriptor for the output buffer
|
|
///
|
|
/// @param numPatchCoords number of patchCoords.
|
|
///
|
|
/// @param patchCoords array of locations to be evaluated.
|
|
///
|
|
/// @param patchTable Far::PatchTable
|
|
///
|
|
/// @param fvarChannel face-varying channel
|
|
///
|
|
/// @param instance not used in the cpu evaluator
|
|
///
|
|
/// @param deviceContext not used in the cpu evaluator
|
|
///
|
|
template <typename SRC_BUFFER, typename DST_BUFFER,
|
|
typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
|
|
static bool EvalPatchesFaceVarying(
|
|
SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
|
|
DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
|
|
int numPatchCoords,
|
|
PATCHCOORD_BUFFER *patchCoords,
|
|
PATCH_TABLE *patchTable,
|
|
int fvarChannel,
|
|
TbbEvaluator const *instance = NULL,
|
|
void * deviceContext = NULL) {
|
|
|
|
(void)instance; // unused
|
|
(void)deviceContext; // unused
|
|
|
|
return EvalPatches(srcBuffer->BindCpuBuffer(),
|
|
srcDesc,
|
|
dstBuffer->BindCpuBuffer(),
|
|
dstDesc,
|
|
numPatchCoords,
|
|
(const PatchCoord*)patchCoords->BindCpuBuffer(),
|
|
patchTable->GetFVarPatchArrayBuffer(fvarChannel),
|
|
patchTable->GetFVarPatchIndexBuffer(fvarChannel),
|
|
patchTable->GetFVarPatchParamBuffer(fvarChannel));
|
|
}
|
|
|
|
/// ----------------------------------------------------------------------
|
|
///
|
|
/// Other methods
|
|
///
|
|
/// ----------------------------------------------------------------------
|
|
|
|
/// \brief synchronize all asynchronous computation invoked on this device.
|
|
static void Synchronize(void *deviceContext = NULL);
|
|
|
|
/// \brief initialize tbb task schedular
|
|
/// (optional: client may use tbb::task_scheduler_init)
|
|
///
|
|
/// @param numThreads how many threads
|
|
///
|
|
static void SetNumThreads(int numThreads);
|
|
};
|
|
|
|
|
|
} // end namespace Osd
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
using namespace OPENSUBDIV_VERSION;
|
|
|
|
} // end namespace OpenSubdiv
|
|
|
|
|
|
#endif // OPENSUBDIV3_OSD_TBB_EVALUATOR_H
|