opensubdiv/osd/tbbEvaluator.h Source File

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tbbEvaluator.h
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1 //
2 // Copyright 2015 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24
25 #ifndef OPENSUBDIV3_OSD_TBB_EVALUATOR_H
26 #define OPENSUBDIV3_OSD_TBB_EVALUATOR_H
27
28 #include "../version.h"
29 #include "../osd/types.h"
30 #include "../osd/bufferDescriptor.h"
31 #include "../far/patchTable.h"
32
33 #include <cstddef>
34
35 namespace OpenSubdiv {
36 namespace OPENSUBDIV_VERSION {
37
38 namespace Osd {
39
40 class TbbEvaluator {
41 public:
47
72 template <typename SRC_BUFFER, typename DST_BUFFER, typename STENCIL_TABLE>
73 static bool EvalStencils(
74 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
75 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
76 STENCIL_TABLE const *stencilTable,
77 TbbEvaluator const *instance = NULL,
78 void *deviceContext = NULL) {
79
80 (void)instance; // unused
81 (void)deviceContext; // unused
82
83 if (stencilTable->GetNumStencils() == 0)
84 return false;
85
86 return EvalStencils(srcBuffer->BindCpuBuffer(), srcDesc,
87 dstBuffer->BindCpuBuffer(), dstDesc,
88 &stencilTable->GetSizes()[0],
89 &stencilTable->GetOffsets()[0],
90 &stencilTable->GetControlIndices()[0],
91 &stencilTable->GetWeights()[0],
92 /*start = */ 0,
93 /*end = */ stencilTable->GetNumStencils());
94 }
95
123 static bool EvalStencils(
124 const float *src, BufferDescriptor const &srcDesc,
125 float *dst, BufferDescriptor const &dstDesc,
126 const int *sizes,
127 const int *offsets,
128 const int *indices,
129 const float *weights,
130 int start, int end);
131
169 template <typename SRC_BUFFER, typename DST_BUFFER, typename STENCIL_TABLE>
170 static bool EvalStencils(
171 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
172 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
173 DST_BUFFER *duBuffer, BufferDescriptor const &duDesc,
174 DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc,
175 STENCIL_TABLE const *stencilTable,
176 const TbbEvaluator *instance = NULL,
177 void * deviceContext = NULL) {
178
179 (void)instance; // unused
180 (void)deviceContext; // unused
181
182 return EvalStencils(srcBuffer->BindCpuBuffer(), srcDesc,
183 dstBuffer->BindCpuBuffer(), dstDesc,
184 duBuffer->BindCpuBuffer(), duDesc,
185 dvBuffer->BindCpuBuffer(), dvDesc,
186 &stencilTable->GetSizes()[0],
187 &stencilTable->GetOffsets()[0],
188 &stencilTable->GetControlIndices()[0],
189 &stencilTable->GetWeights()[0],
190 &stencilTable->GetDuWeights()[0],
191 &stencilTable->GetDvWeights()[0],
192 /*start = */ 0,
193 /*end = */ stencilTable->GetNumStencils());
194 }
195
237 static bool EvalStencils(
238 const float *src, BufferDescriptor const &srcDesc,
239 float *dst, BufferDescriptor const &dstDesc,
240 float *du, BufferDescriptor const &duDesc,
241 float *dv, BufferDescriptor const &dvDesc,
242 const int * sizes,
243 const int * offsets,
244 const int * indices,
245 const float * weights,
246 const float * duWeights,
247 const float * dvWeights,
248 int start, int end);
249
255
282 template <typename SRC_BUFFER, typename DST_BUFFER,
283 typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
284 static bool EvalPatches(
285 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
286 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
287 int numPatchCoords,
288 PATCHCOORD_BUFFER *patchCoords,
289 PATCH_TABLE *patchTable,
290 TbbEvaluator const *instance = NULL,
291 void * deviceContext = NULL) {
292
293 (void)instance; // unused
294 (void)deviceContext; // unused
295
296 return EvalPatches(srcBuffer->BindCpuBuffer(),
297 srcDesc,
298 dstBuffer->BindCpuBuffer(),
299 dstDesc,
300 numPatchCoords,
301 (const PatchCoord*)patchCoords->BindCpuBuffer(),
302 patchTable->GetPatchArrayBuffer(),
303 patchTable->GetPatchIndexBuffer(),
304 patchTable->GetPatchParamBuffer());
305 }
306
345 template <typename SRC_BUFFER, typename DST_BUFFER,
346 typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
347 static bool EvalPatches(
348 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
349 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
350 DST_BUFFER *duBuffer, BufferDescriptor const &duDesc,
351 DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc,
352 int numPatchCoords,
353 PATCHCOORD_BUFFER *patchCoords,
354 PATCH_TABLE *patchTable,
355 TbbEvaluator const *instance = NULL,
356 void * deviceContext = NULL) {
357
358 (void)instance; // unused
359 (void)deviceContext; // unused
360
361 return EvalPatches(
362 srcBuffer->BindCpuBuffer(), srcDesc,
363 dstBuffer->BindCpuBuffer(), dstDesc,
364 duBuffer->BindCpuBuffer(), duDesc,
365 dvBuffer->BindCpuBuffer(), dvDesc,
366 numPatchCoords,
367 (const PatchCoord*)patchCoords->BindCpuBuffer(),
368 patchTable->GetPatchArrayBuffer(),
369 patchTable->GetPatchIndexBuffer(),
370 patchTable->GetPatchParamBuffer());
371 }
372
400 static bool EvalPatches(
401 const float *src, BufferDescriptor const &srcDesc,
402 float *dst, BufferDescriptor const &dstDesc,
403 int numPatchCoords,
404 const PatchCoord *patchCoords,
405 const PatchArray *patchArrays,
406 const int *patchIndexBuffer,
407 const PatchParam *patchParamBuffer);
408
446 static bool EvalPatches(
447 const float *src, BufferDescriptor const &srcDesc,
448 float *dst, BufferDescriptor const &dstDesc,
449 float *du, BufferDescriptor const &duDesc,
450 float *dv, BufferDescriptor const &dvDesc,
451 int numPatchCoords,
452 const PatchCoord *patchCoords,
453 const PatchArray *patchArrays,
454 const int *patchIndexBuffer,
455 const PatchParam *patchParamBuffer);
456
462
464 static void Synchronize(void *deviceContext = NULL);
465
471 static void SetNumThreads(int numThreads);
472 };
473
474
475 } // end namespace Osd
476
477 } // end namespace OPENSUBDIV_VERSION
478 using namespace OPENSUBDIV_VERSION;
479
480 } // end namespace OpenSubdiv
481
482
483 #endif // OPENSUBDIV3_OSD_TBB_EVALUATOR_H
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::SetNumThreads
static void SetNumThreads(int numThreads)
initialize tbb task schedular (optional: client may use tbb::task_scheduler_init) ...
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::EvalPatches
static bool EvalPatches(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, int numPatchCoords, PATCHCOORD_BUFFER *patchCoords, PATCH_TABLE *patchTable, TbbEvaluator const *instance=NULL, void *deviceContext=NULL)
Generic limit eval function. This function has a same signature as other device kernels have so that ...
Definition: tbbEvaluator.h:284
OpenSubdiv::OPENSUBDIV_VERSION::Osd::BufferDescriptor
BufferDescriptor is a struct which describes buffer elements in interleaved data buffers. Almost all Osd Evaluator APIs take BufferDescriptors along with device-specific buffer objects.
Definition: bufferDescriptor.h:61
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord
Coordinates set on a patch table.
Definition: types.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchParam
Definition: types.h:93
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray
Definition: types.h:64
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::EvalStencils
static bool EvalStencils(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, STENCIL_TABLE const *stencilTable, TbbEvaluator const *instance=NULL, void *deviceContext=NULL)
Generic static eval stencils function. This function has a same signature as other device kernels hav...
Definition: tbbEvaluator.h:73
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator
Definition: tbbEvaluator.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::EvalPatches
static bool EvalPatches(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, DST_BUFFER *duBuffer, BufferDescriptor const &duDesc, DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc, int numPatchCoords, PATCHCOORD_BUFFER *patchCoords, PATCH_TABLE *patchTable, TbbEvaluator const *instance=NULL, void *deviceContext=NULL)
Generic limit eval function with derivatives. This function has a same signature as other device kern...
Definition: tbbEvaluator.h:347
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::EvalStencils
static bool EvalStencils(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, DST_BUFFER *duBuffer, BufferDescriptor const &duDesc, DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc, STENCIL_TABLE const *stencilTable, const TbbEvaluator *instance=NULL, void *deviceContext=NULL)
Generic static eval stencils function with derivatives. This function has a same signature as other d...
Definition: tbbEvaluator.h:170
OpenSubdiv::OPENSUBDIV_VERSION::Osd::TbbEvaluator::Synchronize
static void Synchronize(void *deviceContext=NULL)
synchronize all asynchronous computation invoked on this device.