mesh.h
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1 //
2 // Copyright 2013 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_MESH_H
26 #define OPENSUBDIV3_OSD_MESH_H
27
28 #include "../version.h"
29
30 #include <bitset>
31 #include <cassert>
32 #include <cstring>
33 #include <vector>
34
35 #include "../far/topologyRefiner.h"
36 #include "../far/patchTableFactory.h"
37 #include "../far/stencilTable.h"
38 #include "../far/stencilTableFactory.h"
39
40 #include "../osd/bufferDescriptor.h"
41
42 struct ID3D11DeviceContext;
43
44 namespace OpenSubdiv {
45 namespace OPENSUBDIV_VERSION {
46
47 namespace Osd {
48
49 enum MeshBits {
50 MeshAdaptive = 0,
51 MeshInterleaveVarying = 1,
52 MeshFVarData = 2,
53 MeshFVarAdaptive = 3,
54 MeshUseSingleCreasePatch = 4,
55 MeshUseInfSharpPatch = 5,
56 MeshEndCapBSplineBasis = 6, // exclusive
57 MeshEndCapGregoryBasis = 7, // exclusive
58 MeshEndCapLegacyGregory = 8, // exclusive
59 NUM_MESH_BITS = 9,
60 };
61 typedef std::bitset<NUM_MESH_BITS> MeshBitset;
62
63 // ---------------------------------------------------------------------------
64
65 template <class PATCH_TABLE>
66 class MeshInterface {
67 public:
68 typedef PATCH_TABLE PatchTable;
69 typedef typename PatchTable::VertexBufferBinding VertexBufferBinding;
70
71 public:
72 MeshInterface() { }
73
74 virtual ~MeshInterface() { }
75
76 virtual int GetNumVertices() const = 0;
77
78 virtual int GetMaxValence() const = 0;
79
80 virtual void UpdateVertexBuffer(float const *vertexData,
81 int startVertex, int numVerts) = 0;
82
83 virtual void UpdateVaryingBuffer(float const *varyingData,
84 int startVertex, int numVerts) = 0;
85
86 virtual void Refine() = 0;
87
88 virtual void Synchronize() = 0;
89
90 virtual PatchTable * GetPatchTable() const = 0;
91
92 virtual Far::PatchTable const *GetFarPatchTable() const = 0;
93
94 virtual VertexBufferBinding BindVertexBuffer() = 0;
95
96 virtual VertexBufferBinding BindVaryingBuffer() = 0;
97
98 protected:
99 static inline void refineMesh(Far::TopologyRefiner & refiner,
100 int level, bool adaptive,
101 bool singleCreasePatch) {
102 if (adaptive) {
103 Far::TopologyRefiner::AdaptiveOptions options(level);
104 options.useSingleCreasePatch = singleCreasePatch;
105 refiner.RefineAdaptive(options);
106 } else {
107 // This dependency on FVar channels should not be necessary
108 bool fullTopologyInLastLevel = refiner.GetNumFVarChannels()>0;
109
110 Far::TopologyRefiner::UniformOptions options(level);
111 options.fullTopologyInLastLevel = fullTopologyInLastLevel;
112 refiner.RefineUniform(options);
113 }
114 }
115 static inline void refineMesh(Far::TopologyRefiner & refiner,
116 int level, MeshBitset bits) {
117 if (bits.test(MeshAdaptive)) {
118 Far::TopologyRefiner::AdaptiveOptions options(level);
119 options.useSingleCreasePatch = bits.test(MeshUseSingleCreasePatch);
120 options.useInfSharpPatch = bits.test(MeshUseInfSharpPatch);
121 options.considerFVarChannels = bits.test(MeshFVarAdaptive);
122 refiner.RefineAdaptive(options);
123 } else {
124 // This dependency on FVar channels should not be necessary
125 bool fullTopologyInLastLevel = refiner.GetNumFVarChannels()>0;
126
127 Far::TopologyRefiner::UniformOptions options(level);
128 options.fullTopologyInLastLevel = fullTopologyInLastLevel;
129 refiner.RefineUniform(options);
130 }
131 }
132 };
133
134 // ---------------------------------------------------------------------------
135
136 template <typename STENCIL_TABLE, typename SRC_STENCIL_TABLE,
137 typename DEVICE_CONTEXT>
138 STENCIL_TABLE const *
139 convertToCompatibleStencilTable(
140 SRC_STENCIL_TABLE const *table, DEVICE_CONTEXT *context) {
141 if (! table) return NULL;
142 return STENCIL_TABLE::Create(table, context);
143 }
144
145 template <>
146 inline Far::StencilTable const *
147 convertToCompatibleStencilTable<Far::StencilTable, Far::StencilTable, void>(
148 Far::StencilTable const *table, void * /*context*/) {
149 // no need for conversion
150 // XXX: We don't want to even copy.
151 if (! table) return NULL;
152 return new Far::StencilTable(*table);
153 }
154
155 template <>
156 inline Far::LimitStencilTable const *
157 convertToCompatibleStencilTable<Far::LimitStencilTable, Far::LimitStencilTable, void>(
158 Far::LimitStencilTable const *table, void * /*context*/) {
159 // no need for conversion
160 // XXX: We don't want to even copy.
161 if (! table) return NULL;
162 return new Far::LimitStencilTable(*table);
163 }
164
165 template <>
166 inline Far::StencilTable const *
167 convertToCompatibleStencilTable<Far::StencilTable, Far::StencilTable, ID3D11DeviceContext>(
168 Far::StencilTable const *table, ID3D11DeviceContext * /*context*/) {
169 // no need for conversion
170 // XXX: We don't want to even copy.
171 if (! table) return NULL;
172 return new Far::StencilTable(*table);
173 }
174
175 // ---------------------------------------------------------------------------
176
177 // Osd evaluator cache: for the GPU backends require compiled instance
178 // (GLXFB, GLCompue, CL)
179 //
180 // note: this is just an example usage and client applications are supposed
181 // to implement their own structure for Evaluator instance.
182 //
183 template <typename EVALUATOR>
184 class EvaluatorCacheT {
185 public:
186 ~EvaluatorCacheT() {
187 for(typename Evaluators::iterator it = _evaluators.begin();
188 it != _evaluators.end(); ++it) {
189 delete it->evaluator;
190 }
191 }
192
193 // XXX: FIXME, linear search
194 struct Entry {
195 Entry(BufferDescriptor const &srcDescArg,
196 BufferDescriptor const &dstDescArg,
197 BufferDescriptor const &duDescArg,
198 BufferDescriptor const &dvDescArg,
199 EVALUATOR *evalArg) : srcDesc(srcDescArg), dstDesc(dstDescArg),
200 duDesc(duDescArg), dvDesc(dvDescArg), evaluator(evalArg) {}
201 BufferDescriptor srcDesc, dstDesc, duDesc, dvDesc;
202 EVALUATOR *evaluator;
203 };
204 typedef std::vector<Entry> Evaluators;
205
206 template <typename DEVICE_CONTEXT>
207 EVALUATOR *GetEvaluator(BufferDescriptor const &srcDesc,
208 BufferDescriptor const &dstDesc,
209 DEVICE_CONTEXT *deviceContext) {
210 return GetEvaluator(srcDesc, dstDesc,
211 BufferDescriptor(),
212 BufferDescriptor(),
213 deviceContext);
214 }
215
216 template <typename DEVICE_CONTEXT>
217 EVALUATOR *GetEvaluator(BufferDescriptor const &srcDesc,
218 BufferDescriptor const &dstDesc,
219 BufferDescriptor const &duDesc,
220 BufferDescriptor const &dvDesc,
221 DEVICE_CONTEXT *deviceContext) {
222
223 for(typename Evaluators::iterator it = _evaluators.begin();
224 it != _evaluators.end(); ++it) {
225 if (isEqual(srcDesc, it->srcDesc) &&
226 isEqual(dstDesc, it->dstDesc) &&
227 isEqual(duDesc, it->duDesc) &&
228 isEqual(dvDesc, it->dvDesc)) {
229 return it->evaluator;
230 }
231 }
232 EVALUATOR *e = EVALUATOR::Create(srcDesc, dstDesc,
233 duDesc, dvDesc,
234 deviceContext);
235 _evaluators.push_back(Entry(srcDesc, dstDesc, duDesc, dvDesc, e));
236 return e;
237 }
238
239 private:
240 static bool isEqual(BufferDescriptor const &a,
241 BufferDescriptor const &b) {
242 int offsetA = a.stride ? (a.offset % a.stride) : 0;
243 int offsetB = b.stride ? (b.offset % b.stride) : 0;
244
245 // Note: XFB kernel needs to be configured with the local offset
246 // of the dstDesc to skip preceding primvars.
247 return (offsetA == offsetB &&
248 a.length == b.length &&
249 a.stride == b.stride);
250 }
251
252 Evaluators _evaluators;
253 };
254
256
257 // template helpers to see if the evaluator is instantiatable or not.
258 template <typename EVALUATOR>
259 struct instantiatable
260 {
261 typedef char yes[1];
262 typedef char no[2];
263 template <typename C> static yes &chk(typename C::Instantiatable *t=0);
264 template <typename C> static no &chk(...);
265 static bool const value = sizeof(chk<EVALUATOR>(0)) == sizeof(yes);
266 };
267 template <bool C, typename T=void>
268 struct enable_if { typedef T type; };
269 template <typename T>
270 struct enable_if<false, T> { };
271
273
274 // extract a kernel from cache if available
275 template <typename EVALUATOR, typename DEVICE_CONTEXT>
276 static EVALUATOR *GetEvaluator(
277 EvaluatorCacheT<EVALUATOR> *cache,
278 BufferDescriptor const &srcDesc,
279 BufferDescriptor const &dstDesc,
280 BufferDescriptor const &duDesc,
281 BufferDescriptor const &dvDesc,
282 DEVICE_CONTEXT deviceContext,
283 typename enable_if<instantiatable<EVALUATOR>::value, void>::type*t=0) {
284 (void)t;
285 if (cache == NULL) return NULL;
286 return cache->GetEvaluator(srcDesc, dstDesc, duDesc, dvDesc, deviceContext);
287 }
288
289 template <typename EVALUATOR, typename DEVICE_CONTEXT>
290 static EVALUATOR *GetEvaluator(
291 EvaluatorCacheT<EVALUATOR> *cache,
292 BufferDescriptor const &srcDesc,
293 BufferDescriptor const &dstDesc,
294 DEVICE_CONTEXT deviceContext,
295 typename enable_if<instantiatable<EVALUATOR>::value, void>::type*t=0) {
296 (void)t;
297 if (cache == NULL) return NULL;
298 return cache->GetEvaluator(srcDesc, dstDesc,
299 BufferDescriptor(),
300 BufferDescriptor(),
301 deviceContext);
302 }
303
304 // fallback
305 template <typename EVALUATOR, typename DEVICE_CONTEXT>
306 static EVALUATOR *GetEvaluator(
307 EvaluatorCacheT<EVALUATOR> *,
308 BufferDescriptor const &,
309 BufferDescriptor const &,
310 BufferDescriptor const &,
311 BufferDescriptor const &,
312 DEVICE_CONTEXT,
313 typename enable_if<!instantiatable<EVALUATOR>::value, void>::type*t=0) {
314 (void)t;
315 return NULL;
316 }
317
318 template <typename EVALUATOR, typename DEVICE_CONTEXT>
319 static EVALUATOR *GetEvaluator(
320 EvaluatorCacheT<EVALUATOR> *,
321 BufferDescriptor const &,
322 BufferDescriptor const &,
323 DEVICE_CONTEXT,
324 typename enable_if<!instantiatable<EVALUATOR>::value, void>::type*t=0) {
325 (void)t;
326 return NULL;
327 }
328
329 // ---------------------------------------------------------------------------
330
331 template <typename VERTEX_BUFFER,
332 typename STENCIL_TABLE,
333 typename EVALUATOR,
334 typename PATCH_TABLE,
335 typename DEVICE_CONTEXT = void>
336 class Mesh : public MeshInterface<PATCH_TABLE> {
337 public:
338 typedef VERTEX_BUFFER VertexBuffer;
339 typedef EVALUATOR Evaluator;
340 typedef STENCIL_TABLE StencilTable;
341 typedef PATCH_TABLE PatchTable;
342 typedef DEVICE_CONTEXT DeviceContext;
343 typedef EvaluatorCacheT<Evaluator> EvaluatorCache;
344 typedef typename PatchTable::VertexBufferBinding VertexBufferBinding;
345
346 Mesh(Far::TopologyRefiner * refiner,
347 int numVertexElements,
348 int numVaryingElements,
349 int level,
350 MeshBitset bits = MeshBitset(),
351 EvaluatorCache * evaluatorCache = NULL,
352 DeviceContext * deviceContext = NULL) :
353
354 _refiner(refiner),
355 _farPatchTable(NULL),
356 _numVertices(0),
357 _maxValence(0),
358 _vertexBuffer(NULL),
359 _varyingBuffer(NULL),
360 _vertexStencilTable(NULL),
361 _varyingStencilTable(NULL),
362 _evaluatorCache(evaluatorCache),
363 _patchTable(NULL),
364 _deviceContext(deviceContext) {
365
366 assert(_refiner);
367
368 MeshInterface<PATCH_TABLE>::refineMesh(
369 *_refiner, level, bits);
370
371 int vertexBufferStride = numVertexElements +
372 (bits.test(MeshInterleaveVarying) ? numVaryingElements : 0);
373 int varyingBufferStride =
374 (bits.test(MeshInterleaveVarying) ? 0 : numVaryingElements);
375
376 initializeContext(numVertexElements,
377 numVaryingElements,
378 level, bits);
379
380 initializeVertexBuffers(_numVertices,
381 vertexBufferStride,
382 varyingBufferStride);
383
384 // configure vertex buffer descriptor
385 _vertexDesc =
386 BufferDescriptor(0, numVertexElements, vertexBufferStride);
387 if (bits.test(MeshInterleaveVarying)) {
388 _varyingDesc = BufferDescriptor(
389 numVertexElements, numVaryingElements, vertexBufferStride);
390 } else {
391 _varyingDesc = BufferDescriptor(
392 0, numVaryingElements, varyingBufferStride);
393 }
394 }
395
396 virtual ~Mesh() {
397 delete _refiner;
398 delete _farPatchTable;
399 delete _vertexBuffer;
400 delete _varyingBuffer;
401 delete _vertexStencilTable;
402 delete _varyingStencilTable;
403 delete _patchTable;
404 // deviceContext and evaluatorCache are not owned by this class.
405 }
406
407 virtual void UpdateVertexBuffer(float const *vertexData,
408 int startVertex, int numVerts) {
409 _vertexBuffer->UpdateData(vertexData, startVertex, numVerts,
410 _deviceContext);
411 }
412
413 virtual void UpdateVaryingBuffer(float const *varyingData,
414 int startVertex, int numVerts) {
415 _varyingBuffer->UpdateData(varyingData, startVertex, numVerts,
416 _deviceContext);
417 }
418
419 virtual void Refine() {
420
421 int numControlVertices = _refiner->GetLevel(0).GetNumVertices();
422
423 BufferDescriptor srcDesc = _vertexDesc;
424 BufferDescriptor dstDesc(srcDesc);
425 dstDesc.offset += numControlVertices * dstDesc.stride;
426
427 // note that the _evaluatorCache can be NULL and thus
428 // the evaluatorInstance can be NULL
429 // (for uninstantiatable kernels CPU,TBB etc)
430 Evaluator const *instance = GetEvaluator<Evaluator>(
431 _evaluatorCache, srcDesc, dstDesc,
432 _deviceContext);
433
434 Evaluator::EvalStencils(_vertexBuffer, srcDesc,
435 _vertexBuffer, dstDesc,
436 _vertexStencilTable,
437 instance, _deviceContext);
438
439 if (_varyingDesc.length > 0) {
440 BufferDescriptor vSrcDesc = _varyingDesc;
441 BufferDescriptor vDstDesc(vSrcDesc);
442 vDstDesc.offset += numControlVertices * vDstDesc.stride;
443
444 instance = GetEvaluator<Evaluator>(
445 _evaluatorCache, vSrcDesc, vDstDesc,
446 _deviceContext);
447
448 if (_varyingBuffer) {
449 // non-interleaved
450 Evaluator::EvalStencils(_varyingBuffer, vSrcDesc,
451 _varyingBuffer, vDstDesc,
452 _varyingStencilTable,
453 instance, _deviceContext);
454 } else {
455 // interleaved
456 Evaluator::EvalStencils(_vertexBuffer, vSrcDesc,
457 _vertexBuffer, vDstDesc,
458 _varyingStencilTable,
459 instance, _deviceContext);
460 }
461 }
462 }
463
464 virtual void Synchronize() {
465 Evaluator::Synchronize(_deviceContext);
466 }
467
468 virtual PatchTable * GetPatchTable() const {
469 return _patchTable;
470 }
471
472 virtual Far::PatchTable const *GetFarPatchTable() const {
473 return _farPatchTable;
474 }
475
476 virtual int GetNumVertices() const { return _numVertices; }
477
478 virtual int GetMaxValence() const { return _maxValence; }
479
480 virtual VertexBufferBinding BindVertexBuffer() {
481 return _vertexBuffer->BindVBO(_deviceContext);
482 }
483
484 virtual VertexBufferBinding BindVaryingBuffer() {
485 return _varyingBuffer->BindVBO(_deviceContext);
486 }
487
488 virtual VertexBuffer * GetVertexBuffer() {
489 return _vertexBuffer;
490 }
491
492 virtual VertexBuffer * GetVaryingBuffer() {
493 return _varyingBuffer;
494 }
495
496 virtual Far::TopologyRefiner const * GetTopologyRefiner() const {
497 return _refiner;
498 }
499
500 private:
501 void initializeContext(int numVertexElements,
502 int numVaryingElements,
503 int level, MeshBitset bits) {
504 assert(_refiner);
505
506 Far::StencilTableFactory::Options options;
507 options.generateOffsets = true;
508 options.generateIntermediateLevels =
509 _refiner->IsUniform() ? false : true;
510
511 Far::StencilTable const * vertexStencils = NULL;
512 Far::StencilTable const * varyingStencils = NULL;
513
514 if (numVertexElements>0) {
515
516 vertexStencils = Far::StencilTableFactory::Create(*_refiner,
517 options);
518 }
519
520 if (numVaryingElements>0) {
521
522 options.interpolationMode =
523 Far::StencilTableFactory::INTERPOLATE_VARYING;
524
525 varyingStencils = Far::StencilTableFactory::Create(*_refiner,
526 options);
527 }
528
529 Far::PatchTableFactory::Options poptions(level);
530 poptions.generateFVarTables = bits.test(MeshFVarData);
531 poptions.generateFVarLegacyLinearPatches = !bits.test(MeshFVarAdaptive);
532 poptions.useSingleCreasePatch = bits.test(MeshUseSingleCreasePatch);
533 poptions.useInfSharpPatch = bits.test(MeshUseInfSharpPatch);
534
535 if (bits.test(MeshEndCapBSplineBasis)) {
536 poptions.SetEndCapType(
537 Far::PatchTableFactory::Options::ENDCAP_BSPLINE_BASIS);
538 } else if (bits.test(MeshEndCapGregoryBasis)) {
539 poptions.SetEndCapType(
540 Far::PatchTableFactory::Options::ENDCAP_GREGORY_BASIS);
541 // points on gregory basis endcap boundary can be shared among
542 // adjacent patches to save some stencils.
543 poptions.shareEndCapPatchPoints = true;
544 } else if (bits.test(MeshEndCapLegacyGregory)) {
545 poptions.SetEndCapType(
546 Far::PatchTableFactory::Options::ENDCAP_LEGACY_GREGORY);
547 }
548
549 _farPatchTable = Far::PatchTableFactory::Create(*_refiner, poptions);
550
551 // if there's endcap stencils, merge it into regular stencils.
552 if (_farPatchTable->GetLocalPointStencilTable()) {
553 // append stencils
554 if (Far::StencilTable const *vertexStencilsWithLocalPoints =
555 Far::StencilTableFactory::AppendLocalPointStencilTable(
556 *_refiner,
557 vertexStencils,
558 _farPatchTable->GetLocalPointStencilTable())) {
559 delete vertexStencils;
560 vertexStencils = vertexStencilsWithLocalPoints;
561 }
562 if (varyingStencils) {
563 if (Far::StencilTable const *varyingStencilsWithLocalPoints =
564 Far::StencilTableFactory::AppendLocalPointStencilTable(
565 *_refiner,
566 varyingStencils,
567 _farPatchTable->GetLocalPointVaryingStencilTable())) {
568 delete varyingStencils;
569 varyingStencils = varyingStencilsWithLocalPoints;
570 }
571 }
572 }
573
574 _maxValence = _farPatchTable->GetMaxValence();
575 _patchTable = PatchTable::Create(_farPatchTable, _deviceContext);
576
577 // numvertices = coarse verts + refined verts + gregory basis verts
578 _numVertices = vertexStencils->GetNumControlVertices()
579 + vertexStencils->GetNumStencils();
580
581 // convert to device stenciltable if necessary.
582 _vertexStencilTable =
583 convertToCompatibleStencilTable<StencilTable>(
584 vertexStencils, _deviceContext);
585 _varyingStencilTable =
586 convertToCompatibleStencilTable<StencilTable>(
587 varyingStencils, _deviceContext);
588
589 // FIXME: we do extra copyings for Far::Stencils.
590 delete vertexStencils;
591 delete varyingStencils;
592 }
593
594 void initializeVertexBuffers(int numVertices,
595 int numVertexElements,
596 int numVaryingElements) {
597
598 if (numVertexElements) {
599 _vertexBuffer = VertexBuffer::Create(numVertexElements,
600 numVertices, _deviceContext);
601 }
602
603 if (numVaryingElements) {
604 _varyingBuffer = VertexBuffer::Create(numVaryingElements,
605 numVertices, _deviceContext);
606 }
607 }
608
609 Far::TopologyRefiner * _refiner;
610 Far::PatchTable * _farPatchTable;
611
612 int _numVertices;
613 int _maxValence;
614
615 VertexBuffer * _vertexBuffer;
616 VertexBuffer * _varyingBuffer;
617
618 BufferDescriptor _vertexDesc;
619 BufferDescriptor _varyingDesc;
620
621 StencilTable const * _vertexStencilTable;
622 StencilTable const * _varyingStencilTable;
623 EvaluatorCache * _evaluatorCache;
624
625 PatchTable *_patchTable;
626 DeviceContext *_deviceContext;
627 };
628
629 } // end namespace Osd
630
631 } // end namespace OPENSUBDIV_VERSION
632 using namespace OPENSUBDIV_VERSION;
633
634 } // end namespace OpenSubdiv
635
636 #endif // OPENSUBDIV3_OSD_MESH_H
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshUseSingleCreasePatch
Definition: mesh.h:54
OpenSubdiv::OPENSUBDIV_VERSION::Osd::convertToCompatibleStencilTable
STENCIL_TABLE const * convertToCompatibleStencilTable(SRC_STENCIL_TABLE const *table, DEVICE_CONTEXT *context)
Definition: mesh.h:139
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::UpdateVaryingBuffer
virtual void UpdateVaryingBuffer(float const *varyingData, int startVertex, int numVerts)
Definition: mesh.h:413
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::RefineAdaptive
void RefineAdaptive(AdaptiveOptions options)
Feature Adaptive topology refinement (restricted to scheme Catmark)
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::ENDCAP_LEGACY_GREGORY
use legacy (2.x) Gregory patches (4 cp + valence table) as end-caps
Definition: patchTableFactory.h:55
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetFarPatchTable
virtual Far::PatchTable const * GetFarPatchTable() const
Definition: mesh.h:472
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetNumVertices
virtual int GetNumVertices() const
Definition: mesh.h:476
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTable
Container for arrays of parametric patches.
Definition: patchTable.h:55
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT
Definition: mesh.h:184
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTable
Table of subdivision stencils.
Definition: stencilTable.h:125
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::PatchTable
PATCH_TABLE PatchTable
Definition: mesh.h:68
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::generateFVarTables
unsigned int generateFVarTables
Generate face-varying patch tables.
Definition: patchTableFactory.h:78
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::ENDCAP_BSPLINE_BASIS
use BSpline basis patches (16 cp) as end-caps
Definition: patchTableFactory.h:53
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options
Public options for the PatchTable factory.
Definition: patchTableFactory.h:48
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::GetEvaluator
EVALUATOR * GetEvaluator(BufferDescriptor const &srcDesc, BufferDescriptor const &dstDesc, BufferDescriptor const &duDesc, BufferDescriptor const &dvDesc, DEVICE_CONTEXT *deviceContext)
Definition: mesh.h:217
OpenSubdiv::OPENSUBDIV_VERSION::Osd::BufferDescriptor::length
int length
number or length of the data
Definition: bufferDescriptor.h:100
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::AdaptiveOptions::useInfSharpPatch
unsigned int useInfSharpPatch
Definition: topologyRefiner.h:168
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::ENDCAP_GREGORY_BASIS
use Gregory basis patches (20 cp) as end-caps
Definition: patchTableFactory.h:54
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::GetEvaluator
EVALUATOR * GetEvaluator(BufferDescriptor const &srcDesc, BufferDescriptor const &dstDesc, DEVICE_CONTEXT *deviceContext)
Definition: mesh.h:207
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::GetPatchTable
virtual PatchTable * GetPatchTable() const =0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::DeviceContext
DEVICE_CONTEXT DeviceContext
Definition: mesh.h:342
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::INTERPOLATE_VARYING
Definition: stencilTableFactory.h:54
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::AdaptiveOptions::considerFVarChannels
unsigned int considerFVarChannels
Definition: topologyRefiner.h:170
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::SetEndCapType
void SetEndCapType(EndCapType e)
Set endcap patch type.
Definition: patchTableFactory.h:76
OpenSubdiv::OPENSUBDIV_VERSION::Osd::BufferDescriptor::stride
int stride
stride to the next element
Definition: bufferDescriptor.h:102
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh
Definition: mesh.h:336
OpenSubdiv::OPENSUBDIV_VERSION::Far::LimitStencilTable
Table of limit subdivision stencils.
Definition: stencilTable.h:333
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface
Definition: mesh.h:66
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::GetNumVertices
virtual int GetNumVertices() const =0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetVaryingBuffer
virtual VertexBuffer * GetVaryingBuffer()
Definition: mesh.h:492
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::UniformOptions
Uniform refinement options.
Definition: topologyRefiner.h:117
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetPatchTable
virtual PatchTable * GetPatchTable() const
Definition: mesh.h:468
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::refineMesh
static void refineMesh(Far::TopologyRefiner &refiner, int level, bool adaptive, bool singleCreasePatch)
Definition: mesh.h:99
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::GetMaxValence
virtual int GetMaxValence() const =0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::MeshInterface
MeshInterface()
Definition: mesh.h:72
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::UniformOptions::fullTopologyInLastLevel
unsigned int fullTopologyInLastLevel
Definition: topologyRefiner.h:124
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::BindVaryingBuffer
virtual VertexBufferBinding BindVaryingBuffer()
Definition: mesh.h:484
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::Refine
virtual void Refine()
Definition: mesh.h:419
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::Options
Definition: stencilTableFactory.h:57
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::AdaptiveOptions::useSingleCreasePatch
unsigned int useSingleCreasePatch
Definition: topologyRefiner.h:166
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::Synchronize
virtual void Synchronize()
Definition: mesh.h:464
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshEndCapBSplineBasis
Definition: mesh.h:56
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::Create
static StencilTable const * Create(TopologyRefiner const &refiner, Options options=Options())
Instantiates StencilTable from TopologyRefiner that have been refined uniformly or adaptively...
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner
Stores topology data for a specified set of refinement options.
Definition: topologyRefiner.h:50
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::Synchronize
virtual void Synchronize()=0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::BindVertexBuffer
virtual VertexBufferBinding BindVertexBuffer()
Definition: mesh.h:480
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::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::~EvaluatorCacheT
~EvaluatorCacheT()
Definition: mesh.h:186
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshEndCapLegacyGregory
Definition: mesh.h:58
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::shareEndCapPatchPoints
unsigned int shareEndCapPatchPoints
Definition: patchTableFactory.h:78
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::AdaptiveOptions
Adaptive refinement options.
Definition: topologyRefiner.h:152
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::Evaluators
std::vector< Entry > Evaluators
Definition: mesh.h:204
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::useInfSharpPatch
unsigned int useInfSharpPatch
Use infinitely-sharp patch.
Definition: patchTableFactory.h:78
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::Entry::evaluator
EVALUATOR * evaluator
Definition: mesh.h:202
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::UpdateVertexBuffer
virtual void UpdateVertexBuffer(float const *vertexData, int startVertex, int numVerts)=0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshFVarData
Definition: mesh.h:52
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshBits
MeshBits
Definition: mesh.h:49
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterleaveVarying
Definition: mesh.h:51
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshEndCapGregoryBasis
Definition: mesh.h:57
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::BindVaryingBuffer
virtual VertexBufferBinding BindVaryingBuffer()=0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::BufferDescriptor::offset
int offset
offset to desired element data
Definition: bufferDescriptor.h:98
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::Mesh
Mesh(Far::TopologyRefiner *refiner, int numVertexElements, int numVaryingElements, int level, MeshBitset bits=MeshBitset(), EvaluatorCache *evaluatorCache=NULL, DeviceContext *deviceContext=NULL)
Definition: mesh.h:346
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshUseInfSharpPatch
Definition: mesh.h:55
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetTopologyRefiner
virtual Far::TopologyRefiner const * GetTopologyRefiner() const
Definition: mesh.h:496
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::Refine
virtual void Refine()=0
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::AppendLocalPointStencilTable
static StencilTable const * AppendLocalPointStencilTable(TopologyRefiner const &refiner, StencilTable const *baseStencilTable, StencilTable const *localPointStencilTable, bool factorize=true)
Utility function for stencil splicing for local point stencils.
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::Options::generateOffsets
unsigned int generateOffsets
populate optional "_offsets" field
Definition: stencilTableFactory.h:66
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshAdaptive
Definition: mesh.h:50
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::Options::interpolationMode
unsigned int interpolationMode
interpolation mode
Definition: stencilTableFactory.h:66
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetVertexBuffer
virtual VertexBuffer * GetVertexBuffer()
Definition: mesh.h:488
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::useSingleCreasePatch
unsigned int useSingleCreasePatch
Use single crease patch.
Definition: patchTableFactory.h:78
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::~MeshInterface
virtual ~MeshInterface()
Definition: mesh.h:74
OpenSubdiv::OPENSUBDIV_VERSION::Osd::NUM_MESH_BITS
Definition: mesh.h:59
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Options::generateFVarLegacyLinearPatches
unsigned int generateFVarLegacyLinearPatches
Generate all linear face-varying patches (legacy)
Definition: patchTableFactory.h:78
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::VertexBuffer
VERTEX_BUFFER VertexBuffer
Definition: mesh.h:338
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::VertexBufferBinding
PatchTable::VertexBufferBinding VertexBufferBinding
Definition: mesh.h:69
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::UpdateVertexBuffer
virtual void UpdateVertexBuffer(float const *vertexData, int startVertex, int numVerts)
Definition: mesh.h:407
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::Entry
Definition: mesh.h:194
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::EvaluatorCache
EvaluatorCacheT< Evaluator > EvaluatorCache
Definition: mesh.h:343
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::UpdateVaryingBuffer
virtual void UpdateVaryingBuffer(float const *varyingData, int startVertex, int numVerts)=0
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTableFactory::Create
static PatchTable * Create(TopologyRefiner const &refiner, Options options=Options())
Factory constructor for PatchTable.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::StencilTable
STENCIL_TABLE StencilTable
Definition: mesh.h:340
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::PatchTable
PATCH_TABLE PatchTable
Definition: mesh.h:341
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::BindVertexBuffer
virtual VertexBufferBinding BindVertexBuffer()=0
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::Evaluator
EVALUATOR Evaluator
Definition: mesh.h:339
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::refineMesh
static void refineMesh(Far::TopologyRefiner &refiner, int level, MeshBitset bits)
Definition: mesh.h:115
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshFVarAdaptive
Definition: mesh.h:53
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::Entry::Entry
Entry(BufferDescriptor const &srcDescArg, BufferDescriptor const &dstDescArg, BufferDescriptor const &duDescArg, BufferDescriptor const &dvDescArg, EVALUATOR *evalArg)
Definition: mesh.h:195
OpenSubdiv::OPENSUBDIV_VERSION::Osd::EvaluatorCacheT::Entry::srcDesc
BufferDescriptor srcDesc
Definition: mesh.h:201
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::RefineUniform
void RefineUniform(UniformOptions options)
Refine the topology uniformly.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshBitset
std::bitset< NUM_MESH_BITS > MeshBitset
Definition: mesh.h:61
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::~Mesh
virtual ~Mesh()
Definition: mesh.h:396
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTable::GetNumControlVertices
int GetNumControlVertices() const
Returns the number of control vertices indexed in the table.
Definition: stencilTable.h:144
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTableFactory::Options::generateIntermediateLevels
unsigned int generateIntermediateLevels
vertices at all levels or highest only
Definition: stencilTableFactory.h:66
OpenSubdiv::OPENSUBDIV_VERSION::Far::TopologyRefiner::GetNumFVarChannels
int GetNumFVarChannels() const
Returns the number of face-varying channels in the tables.
Definition: topologyRefiner.h:269
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::GetMaxValence
virtual int GetMaxValence() const
Definition: mesh.h:478
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MeshInterface::GetFarPatchTable
virtual Far::PatchTable const * GetFarPatchTable() const =0
OpenSubdiv::OPENSUBDIV_VERSION::Far::StencilTable::GetNumStencils
int GetNumStencils() const
Returns the number of stencils in the table.
Definition: stencilTable.h:139
OpenSubdiv::OPENSUBDIV_VERSION::Osd::Mesh::VertexBufferBinding
PatchTable::VertexBufferBinding VertexBufferBinding
Definition: mesh.h:344