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cpuEvaluator.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_CPU_EVALUATOR_H
26 #define OPENSUBDIV3_OSD_CPU_EVALUATOR_H
27
28 #include "../version.h"
29
30 #include <cstddef>
31 #include <vector>
32 #include "../osd/bufferDescriptor.h"
33 #include "../osd/types.h"
34
35 namespace OpenSubdiv {
36 namespace OPENSUBDIV_VERSION {
37
38 namespace Osd {
39
40 class CpuEvaluator {
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 const CpuEvaluator *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 CpuEvaluator *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
236 static bool EvalStencils(
237 const float *src, BufferDescriptor const &srcDesc,
238 float *dst, BufferDescriptor const &dstDesc,
239 float *du, BufferDescriptor const &duDesc,
240 float *dv, BufferDescriptor const &dvDesc,
241 const int * sizes,
242 const int * offsets,
243 const int * indices,
244 const float * weights,
245 const float * duWeights,
246 const float * dvWeights,
247 int start, int end);
248
254
283 template <typename SRC_BUFFER, typename DST_BUFFER,
284 typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
285 static bool EvalPatches(
286 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
287 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
288 int numPatchCoords,
289 PATCHCOORD_BUFFER *patchCoords,
290 PATCH_TABLE *patchTable,
291 CpuEvaluator const *instance = NULL,
292 void * deviceContext = NULL) {
293
294 (void)instance; // unused
295 (void)deviceContext; // unused
296
297 return EvalPatches(srcBuffer->BindCpuBuffer(), srcDesc,
298 dstBuffer->BindCpuBuffer(), dstDesc,
299 numPatchCoords,
300 (const PatchCoord*)patchCoords->BindCpuBuffer(),
301 patchTable->GetPatchArrayBuffer(),
302 patchTable->GetPatchIndexBuffer(),
303 patchTable->GetPatchParamBuffer());
304 }
305
346 template <typename SRC_BUFFER, typename DST_BUFFER,
347 typename PATCHCOORD_BUFFER, typename PATCH_TABLE>
348 static bool EvalPatches(
349 SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc,
350 DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc,
351 DST_BUFFER *duBuffer, BufferDescriptor const &duDesc,
352 DST_BUFFER *dvBuffer, BufferDescriptor const &dvDesc,
353 int numPatchCoords,
354 PATCHCOORD_BUFFER *patchCoords,
355 PATCH_TABLE *patchTable,
356 CpuEvaluator const *instance = NULL,
357 void * deviceContext = NULL) {
358 (void)instance; // unused
359 (void)deviceContext; // unused
360
361 // XXX: PatchCoords is somewhat abusing vertex primvar buffer interop.
362 // ideally all buffer classes should have templated by datatype
363 // so that downcast isn't needed there.
364 // (e.g. Osd::CpuBuffer<PatchCoord> )
365 //
366 return EvalPatches(srcBuffer->BindCpuBuffer(), srcDesc,
367 dstBuffer->BindCpuBuffer(), dstDesc,
368 duBuffer->BindCpuBuffer(), duDesc,
369 dvBuffer->BindCpuBuffer(), dvDesc,
370 numPatchCoords,
371 (const PatchCoord*)patchCoords->BindCpuBuffer(),
372 patchTable->GetPatchArrayBuffer(),
373 patchTable->GetPatchIndexBuffer(),
374 patchTable->GetPatchParamBuffer());
375 }
376
404 static bool EvalPatches(
405 const float *src, BufferDescriptor const &srcDesc,
406 float *dst, BufferDescriptor const &dstDesc,
407 int numPatchCoords,
408 const PatchCoord *patchCoords,
409 const PatchArray *patchArrays,
410 const int *patchIndexBuffer,
411 const PatchParam *patchParamBuffer);
412
450 static bool EvalPatches(
451 const float *src, BufferDescriptor const &srcDesc,
452 float *dst, BufferDescriptor const &dstDesc,
453 float *du, BufferDescriptor const &duDesc,
454 float *dv, BufferDescriptor const &dvDesc,
455 int numPatchCoords,
456 PatchCoord const *patchCoords,
457 PatchArray const *patchArrays,
458 const int *patchIndexBuffer,
459 PatchParam const *patchParamBuffer);
460
466
468 static void Synchronize(void * /*deviceContext = NULL*/) {
469 // nothing.
470 }
471 };
472
473
474 } // end namespace Osd
475
476 } // end namespace OPENSUBDIV_VERSION
477 using namespace OPENSUBDIV_VERSION;
478
479 } // end namespace OpenSubdiv
480
481
482 #endif // OPENSUBDIV3_OSD_CPU_EVALUATOR_H
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::CpuEvaluator::Synchronize
static void Synchronize(void *)
synchronize all asynchronous computation invoked on this device.
Definition: cpuEvaluator.h:468
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuEvaluator::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 CpuEvaluator *instance=NULL, void *deviceContext=NULL)
Generic static eval stencils function with derivatives. This function has a same signature as other d...
Definition: cpuEvaluator.h:170
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray
Definition: types.h:64
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuEvaluator
Definition: cpuEvaluator.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuEvaluator::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, CpuEvaluator const *instance=NULL, void *deviceContext=NULL)
Generic limit eval function with derivatives. This function has a same signature as other device kern...
Definition: cpuEvaluator.h:348
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuEvaluator::EvalStencils
static bool EvalStencils(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, STENCIL_TABLE const *stencilTable, const CpuEvaluator *instance=NULL, void *deviceContext=NULL)
Generic static eval stencils function. This function has a same signature as other device kernels hav...
Definition: cpuEvaluator.h:73
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuEvaluator::EvalPatches
static bool EvalPatches(SRC_BUFFER *srcBuffer, BufferDescriptor const &srcDesc, DST_BUFFER *dstBuffer, BufferDescriptor const &dstDesc, int numPatchCoords, PATCHCOORD_BUFFER *patchCoords, PATCH_TABLE *patchTable, CpuEvaluator const *instance=NULL, void *deviceContext=NULL)
Generic limit eval function. This function has a same signature as other device kernels have so that ...
Definition: cpuEvaluator.h:285