-
Notifications
You must be signed in to change notification settings - Fork 218
/
OgreD3D11VaoManager.cpp
2097 lines (1802 loc) · 89.1 KB
/
OgreD3D11VaoManager.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org
Copyright (c) 2000-2014 Torus Knot Software Ltd
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#include "Vao/OgreD3D11VaoManager.h"
#include "Vao/OgreD3D11StagingBuffer.h"
#include "Vao/OgreD3D11VertexArrayObject.h"
#include "Vao/OgreD3D11BufferInterface.h"
#include "Vao/OgreD3D11CompatBufferInterface.h"
#include "Vao/OgreD3D11ConstBufferPacked.h"
#include "Vao/OgreD3D11ReadOnlyBufferPacked.h"
#include "Vao/OgreD3D11TexBufferPacked.h"
#include "Vao/OgreD3D11UavBufferPacked.h"
//#include "Vao/OgreD3D11MultiSourceVertexBufferPool.h"
#include "Vao/OgreD3D11DynamicBuffer.h"
#include "Vao/OgreD3D11AsyncTicket.h"
#include "Vao/OgreIndirectBufferPacked.h"
#include "OgreD3D11Device.h"
#include "OgreD3D11HLSLProgram.h"
#include "OgreD3D11RenderSystem.h"
#include "OgreRenderQueue.h"
#include "OgreRoot.h"
#include "OgreD3D11HardwareBufferManager.h" //D3D11HardwareBufferManager::getGLType
#include "OgrePixelFormatGpuUtils.h"
#include "OgreTimer.h"
#include "OgreStringConverter.h"
#include "OgreLwString.h"
#include "OgreLogManager.h"
#include "OgreProfiler.h"
namespace Ogre
{
static const char *c_vboTypes[3][3] =
{
{
"VERTEX_IMMUTABLE",
"VERTEX_DEFAULT",
"VERTEX_DYNAMIC",
},
{
"INDEX_IMMUTABLE",
"INDEX_DEFAULT",
"INDEX_DYNAMIC",
},
{
"SHADER_IMMUTABLE",
"SHADER_DEFAULT",
"SHADER_DYNAMIC",
}
};
D3D11VaoManager::D3D11VaoManager( bool _supportsIndirectBuffers, D3D11Device &device,
D3D11RenderSystem *renderSystem,
const NameValuePairList *params ) :
VaoManager( params ),
mVaoNames( 1 ),
mDevice( device ),
mDrawId( 0 ),
mD3D11RenderSystem( renderSystem )
{
mDefaultPoolSize[VERTEX_BUFFER][BT_IMMUTABLE] = 64 * 1024 * 1024;
mDefaultPoolSize[INDEX_BUFFER][BT_IMMUTABLE] = 64 * 1024 * 1024;
mDefaultPoolSize[SHADER_BUFFER][BT_IMMUTABLE] = 64 * 1024 * 1024;
mDefaultPoolSize[VERTEX_BUFFER][BT_DEFAULT] = 32 * 1024 * 1024;
mDefaultPoolSize[INDEX_BUFFER][BT_DEFAULT] = 16 * 1024 * 1024;
mDefaultPoolSize[SHADER_BUFFER][BT_DEFAULT] = 16 * 1024 * 1024;
mDefaultPoolSize[VERTEX_BUFFER][BT_DYNAMIC_DEFAULT] = 16 * 1024 * 1024;
mDefaultPoolSize[INDEX_BUFFER][BT_DYNAMIC_DEFAULT] = 16 * 1024 * 1024;
mDefaultPoolSize[SHADER_BUFFER][BT_DYNAMIC_DEFAULT] = 16 * 1024 * 1024;
if( params )
{
for( size_t i=0; i<NumInternalBufferTypes; ++i )
{
for( size_t j=BT_IMMUTABLE; j<=BT_DYNAMIC_DEFAULT; ++j )
{
NameValuePairList::const_iterator itor =
params->find( String( "VaoManager::" ) + c_vboTypes[i][j] );
if( itor != params->end() )
{
mDefaultPoolSize[i][j] =
StringConverter::parseUnsignedLong( itor->second,
mDefaultPoolSize[i][j] );
}
}
}
}
mFrameSyncVec.resize( mDynamicBufferMultiplier );
//There's no way to query the API, grrr... but this
//is the minimum supported by all known GPUs
mConstBufferAlignment = 256;
mTexBufferAlignment = 256;
//64kb by spec. DX 11.1 on Windows 8.1 allows to query to see if there's more.
//But it's a PITA to use a special path just for that.
mConstBufferMaxSize = 4096 * 1024;
//Umm... who knows? Just use GL3's minimum.
mTexBufferMaxSize = 128 * 1024 * 1024;
mUavBufferMaxSize = mTexBufferMaxSize;
mReadOnlyIsTexBuffer = mD3D11RenderSystem->_getFeatureLevel() < D3D_FEATURE_LEVEL_11_0;
mReadOnlyBufferMaxSize = mReadOnlyIsTexBuffer ? mTexBufferMaxSize : mUavBufferMaxSize;
mSupportsPersistentMapping = false;
mSupportsIndirectBuffers = _supportsIndirectBuffers;
_createD3DResources();
}
//-----------------------------------------------------------------------------------
D3D11VaoManager::~D3D11VaoManager()
{
{
//Destroy all buffers which don't have a pool
BufferPackedSet::const_iterator itor = mBuffers[BP_TYPE_CONST].begin();
BufferPackedSet::const_iterator end = mBuffers[BP_TYPE_CONST].end();
while( itor != end )
destroyConstBufferImpl( static_cast<ConstBufferPacked*>( *itor++ ) );
}
destroyAllVertexArrayObjects();
deleteAllBuffers();
mSplicingHelperBuffer.Reset();
for( size_t i=0; i<NumInternalBufferTypes; ++i )
{
for( size_t j=0; j<BT_DYNAMIC_DEFAULT+1; ++j )
{
//Free pointers and collect the buffer names from all VBOs to use one API call
VboVec::iterator itor = mVbos[i][j].begin();
VboVec::iterator end = mVbos[i][j].end();
while( itor != end )
{
itor->vboName.Reset();
delete itor->dynamicBuffer;
itor->dynamicBuffer = 0;
++itor;
}
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::_createD3DResources()
{
// After device lost event we need to ensure that all VBOs without D3D resources are destroyed
// To trace allocations in VS you can add conditional breakpoint at the end of D3D11VaoManager::allocateVbo
cleanupEmptyPools();
for( size_t i=0; i<NumInternalBufferTypes; ++i )
for( size_t j=0; j<BT_DYNAMIC_DEFAULT+1; ++j )
assert( mVbos[i][j].empty() );
//4096u is a sensible default because most Hlms implementations need 16 bytes per
//instance in a const buffer. HlmsBufferManager::mapNextConstBuffer purposedly clamps
//its const buffers to 64kb, so that 64kb / 16 = 4096 and thus it can never exceed
//4096 instances.
//However due to instanced stereo, we need twice that
const uint32 maxNumInstances = 4096u * 2u;
VertexElement2Vec vertexElements;
vertexElements.push_back( VertexElement2( VET_UINT1, VES_COUNT ) );
uint32 *drawIdPtr = static_cast<uint32*>( OGRE_MALLOC_SIMD( maxNumInstances * sizeof(uint32),
MEMCATEGORY_GEOMETRY ) );
for( uint32 i=0; i<maxNumInstances; ++i )
drawIdPtr[i] = i;
mDrawId = createVertexBuffer( vertexElements, maxNumInstances, BT_IMMUTABLE, drawIdPtr, true );
createDelayedImmutableBuffers(); //Ensure mDrawId gets allocated before we continue
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::_destroyD3DResources()
{
destroyVertexBuffer(mDrawId);
mDrawId = 0;
for( D3D11SyncVec::iterator it = mFrameSyncVec.begin(), it_end = mFrameSyncVec.end(); it != it_end; ++it )
it->Reset();
_destroyAllDelayedBuffers();
for( size_t i = 0; i < 2; ++i )
{
for(StagingBufferVec::iterator it = mZeroRefStagingBuffers[i].begin(), it_end = mZeroRefStagingBuffers[i].end(); it != it_end; ++it)
SAFE_DELETE(*it);
mZeroRefStagingBuffers[i].clear();
}
for( VaoVec::iterator it = mVaos.begin(), it_end = mVaos.end(); it != it_end; ++it )
{
for (Vao::VertexBindingVec::iterator it2 = it->vertexBuffers.begin(), it2_end = it->vertexBuffers.end(); it2 != it2_end; ++it2)
it2->vertexBufferVbo.Reset();
it->indexBufferVbo.Reset();
for( size_t i = 0; i < 16; ++i )
it->sharedData->mVertexBuffers[i].Reset();
it->sharedData->mIndexBuffer.Reset();
}
for( size_t i=0; i<NumInternalBufferTypes; ++i )
{
for( size_t j=0; j<BT_DYNAMIC_DEFAULT+1; ++j )
{
//Free pointers and collect the buffer names from all VBOs to use one API call
VboVec::iterator itor = mVbos[i][j].begin();
VboVec::iterator end = mVbos[i][j].end();
while( itor != end )
{
itor->vboName.Reset();
delete itor->dynamicBuffer;
itor->dynamicBuffer = 0;
++itor;
}
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::getMemoryStats( const Block &block, uint32 vboIdx0, uint32 vboIdx1,
size_t poolCapacity, LwString &text,
MemoryStatsEntryVec &outStats,
Log *log ) const
{
if( log )
{
text.clear();
text.a( c_vboTypes[vboIdx0][vboIdx1], ";",
(uint64)block.offset, ";",
(uint64)block.size, ";",
(uint64)poolCapacity );
log->logMessage( text.c_str(), LML_CRITICAL );
}
const uint32 vboIdx = (vboIdx0 << 16u) | (vboIdx1 & 0xFFFF);
MemoryStatsEntry entry( vboIdx, block.offset, block.size, poolCapacity );
outStats.push_back( entry );
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::getMemoryStats( MemoryStatsEntryVec &outStats, size_t &outCapacityBytes,
size_t &outFreeBytes, Log *log ) const
{
size_t capacityBytes = 0;
size_t freeBytes = 0;
MemoryStatsEntryVec statsVec;
statsVec.swap( outStats );
vector<char>::type tmpBuffer;
tmpBuffer.resize( 512 * 1024 ); //512kb per line should be way more than enough
LwString text( LwString::FromEmptyPointer( &tmpBuffer[0], tmpBuffer.size() ) );
if( log )
log->logMessage( "Pool Type;Offset;Bytes;Pool Capacity", LML_CRITICAL );
for( uint32 idx0=0; idx0<NumInternalBufferTypes; ++idx0 )
{
for( uint32 idx1=0; idx1<BT_DYNAMIC_DEFAULT+1; ++idx1 )
{
VboVec::const_iterator itor = mVbos[idx0][idx1].begin();
VboVec::const_iterator end = mVbos[idx0][idx1].end();
while( itor != end )
{
const Vbo &vbo = *itor;
capacityBytes += vbo.sizeBytes;
Block usedBlock( 0, 0 );
BlockVec freeBlocks = vbo.freeBlocks;
while( !freeBlocks.empty() )
{
//Find the free block that comes next
BlockVec::iterator nextBlock;
{
BlockVec::iterator itBlock = freeBlocks.begin();
BlockVec::iterator enBlock = freeBlocks.end();
nextBlock = itBlock;
while( itBlock != enBlock )
{
if( nextBlock->offset < itBlock->offset )
nextBlock = itBlock;
++itBlock;
}
}
freeBytes += nextBlock->size;
usedBlock.size = nextBlock->offset;
//usedBlock.size could be 0 if:
// 1. All of memory is free
// 2. There's two contiguous free blocks, which should not happen
// due to mergeContiguousBlocks
if( usedBlock.size > 0u )
getMemoryStats( usedBlock, idx0, idx1, vbo.sizeBytes, text, statsVec, log );
usedBlock.offset += usedBlock.size;
usedBlock.size = 0;
efficientVectorRemove( freeBlocks, nextBlock );
}
if( usedBlock.size > 0u || (usedBlock.offset == 0 && usedBlock.size == 0) )
getMemoryStats( usedBlock, idx0, idx1, vbo.sizeBytes, text, statsVec, log );
++itor;
}
}
}
outCapacityBytes = capacityBytes;
outFreeBytes = freeBytes;
statsVec.swap( outStats );
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::switchVboPoolIndexImpl( size_t oldPoolIdx, size_t newPoolIdx,
BufferPacked *buffer )
{
const BufferPackedTypes bufferPackedType = buffer->getBufferPackedType();
if( (mSupportsIndirectBuffers || bufferPackedType != BP_TYPE_INDIRECT) &&
(mD3D11RenderSystem->_getFeatureLevel() > D3D_FEATURE_LEVEL_11_0 ||
(bufferPackedType != BP_TYPE_TEX && bufferPackedType != BP_TYPE_READONLY)) &&
bufferPackedType != BP_TYPE_CONST &&
bufferPackedType != BP_TYPE_UAV )
{
OGRE_ASSERT_HIGH( dynamic_cast<D3D11BufferInterface*>( buffer->getBufferInterface() ) );
D3D11BufferInterface *bufferInterface = static_cast<D3D11BufferInterface*>(
buffer->getBufferInterface() );
if( bufferInterface->_getInitialData() == 0 )
{
if( bufferInterface->getVboPoolIndex() == oldPoolIdx )
bufferInterface->_setVboPoolIndex( newPoolIdx );
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::cleanupEmptyPools(void)
{
for( uint32 idx0=0; idx0<NumInternalBufferTypes; ++idx0 )
{
for( uint32 idx1=0; idx1<BT_DYNAMIC_DEFAULT+1; ++idx1 )
{
VboVec::iterator itor = mVbos[idx0][idx1].begin();
VboVec::iterator end = mVbos[idx0][idx1].end();
while( itor != end )
{
Vbo &vbo = *itor;
if( vbo.freeBlocks.size() == 1u &&
vbo.sizeBytes == vbo.freeBlocks.back().size )
{
vbo.vboName.Reset();
delete vbo.dynamicBuffer;
vbo.dynamicBuffer = 0;
//There's (unrelated) live buffers whose vboIdx will now point out of bounds.
//We need to update them so they don't crash deallocateVbo later.
switchVboPoolIndex( (size_t)(mVbos[idx0][idx1].size() - 1u),
(size_t)(itor - mVbos[idx0][idx1].begin()) );
itor = efficientVectorRemove( mVbos[idx0][idx1], itor );
end = mVbos[idx0][idx1].end();
}
else
{
++itor;
}
}
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::allocateVbo( size_t sizeBytes, size_t alignment, BufferType bufferType,
InternalBufferType internalType,
size_t &outVboIdx, size_t &outBufferOffset )
{
assert( alignment > 0 );
//Immutable buffers are delayed as much as possible so we can merge all of them.
//See createDelayedImmutableBuffers
assert( bufferType != BT_IMMUTABLE );
if( bufferType >= BT_DYNAMIC_DEFAULT )
{
bufferType = BT_DYNAMIC_DEFAULT; //Persitent mapping not supported in D3D11.
sizeBytes *= mDynamicBufferMultiplier;
}
VboVec::const_iterator itor = mVbos[internalType][bufferType].begin();
VboVec::const_iterator end = mVbos[internalType][bufferType].end();
//Find a suitable VBO that can hold the requested size. We prefer those free
//blocks that have a matching stride (the current offset is a multiple of
//bytesPerElement) in order to minimize the amount of memory padding.
size_t bestVboIdx = ~0;
size_t bestBlockIdx = ~0;
bool foundMatchingStride = false;
while( itor != end && !foundMatchingStride )
{
BlockVec::const_iterator blockIt = itor->freeBlocks.begin();
BlockVec::const_iterator blockEn = itor->freeBlocks.end();
while( blockIt != blockEn && !foundMatchingStride )
{
const Block &block = *blockIt;
//Round to next multiple of alignment
size_t newOffset = ( (block.offset + alignment - 1) / alignment ) * alignment;
size_t padding = newOffset - block.offset;
if( sizeBytes + padding <= block.size )
{
bestVboIdx = itor - mVbos[internalType][bufferType].begin();
bestBlockIdx = blockIt - itor->freeBlocks.begin();
if( newOffset == block.offset )
foundMatchingStride = true;
}
++blockIt;
}
++itor;
}
if( bestBlockIdx == (size_t)~0 )
{
bestVboIdx = mVbos[internalType][bufferType].size();
bestBlockIdx = 0;
foundMatchingStride = true;
Vbo newVbo;
size_t poolSize = std::max( mDefaultPoolSize[internalType][bufferType], sizeBytes );
ID3D11DeviceN *d3dDevice = mDevice.get();
D3D11_BUFFER_DESC desc;
ZeroMemory( &desc, sizeof(D3D11_BUFFER_DESC) );
desc.ByteWidth = poolSize;
desc.CPUAccessFlags = 0;
if( bufferType == BT_IMMUTABLE )
desc.Usage = D3D11_USAGE_IMMUTABLE;
else if( bufferType == BT_DEFAULT )
desc.Usage = D3D11_USAGE_DEFAULT;
else if( bufferType >= BT_DYNAMIC_DEFAULT )
{
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
}
if( internalType == VERTEX_BUFFER )
desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
else if( internalType == INDEX_BUFFER )
desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
else
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
HRESULT hr = d3dDevice->CreateBuffer( &desc, 0, newVbo.vboName.GetAddressOf() );
if( FAILED( hr ) )
{
String errorDescription = mDevice.getErrorDescription(hr);
OGRE_EXCEPT( Exception::ERR_RENDERINGAPI_ERROR,
"Failed to create buffer. ID3D11Device::CreateBuffer.\n"
"Error code: " + StringConverter::toString( hr ) + ".\n" +
errorDescription +
"Requested: " + StringConverter::toString( poolSize ) + " bytes.",
"D3D11VaoManager::allocateVbo" );
}
newVbo.sizeBytes = poolSize;
newVbo.freeBlocks.push_back( Block( 0, poolSize ) );
newVbo.dynamicBuffer = 0;
if( bufferType >= BT_DYNAMIC_DEFAULT )
{
newVbo.dynamicBuffer = new D3D11DynamicBuffer( newVbo.vboName.Get(), newVbo.sizeBytes,
mDevice );
}
mVbos[internalType][bufferType].push_back( newVbo );
}
Vbo &bestVbo = mVbos[internalType][bufferType][bestVboIdx];
Block &bestBlock = bestVbo.freeBlocks[bestBlockIdx];
size_t newOffset = ( (bestBlock.offset + alignment - 1) / alignment ) * alignment;
size_t padding = newOffset - bestBlock.offset;
//Shrink our records about available data.
bestBlock.size -= sizeBytes + padding;
bestBlock.offset = newOffset + sizeBytes;
if( !foundMatchingStride )
{
//This is a stride changer, record as such.
StrideChangerVec::iterator itStride = std::lower_bound( bestVbo.strideChangers.begin(),
bestVbo.strideChangers.end(),
newOffset, StrideChanger() );
bestVbo.strideChangers.insert( itStride, StrideChanger( newOffset, padding ) );
}
if( bestBlock.size == 0 )
bestVbo.freeBlocks.erase( bestVbo.freeBlocks.begin() + bestBlockIdx );
// To trace allocations in VS you can add conditional breakpoint with following action:
// allocateVbo[{(int)internalType}][{(int)bufferType}][{bestVboIdx}] => bufferOffset = {newOffset}, sizeBytes = {sizeBytes}+{padding} at $CALLSTACK
outVboIdx = bestVboIdx;
outBufferOffset = newOffset;
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::deallocateVbo( size_t vboIdx, size_t bufferOffset, size_t sizeBytes,
BufferType bufferType, InternalBufferType internalType )
{
if( vboIdx == 0xFFFFFFFF )
return;
if (bufferType >= BT_DYNAMIC_DEFAULT)
{
bufferType = BT_DYNAMIC_DEFAULT; //Persitent mapping not supported in D3D11.
sizeBytes *= mDynamicBufferMultiplier;
}
Vbo &vbo = mVbos[internalType][bufferType][vboIdx];
StrideChangerVec::iterator itStride = std::lower_bound( vbo.strideChangers.begin(),
vbo.strideChangers.end(),
bufferOffset, StrideChanger() );
if( itStride != vbo.strideChangers.end() && itStride->offsetAfterPadding == bufferOffset )
{
bufferOffset -= itStride->paddedBytes;
sizeBytes += itStride->paddedBytes;
vbo.strideChangers.erase( itStride );
}
//See if we're contiguous to a free block and make that block grow.
vbo.freeBlocks.push_back( Block( bufferOffset, sizeBytes ) );
mergeContiguousBlocks( vbo.freeBlocks.end() - 1, vbo.freeBlocks );
if( vbo.freeBlocks.back().size == vbo.sizeBytes && bufferType == BT_IMMUTABLE )
{
//Immutable buffer is empty. It can't be filled again. Release the GPU memory.
//The vbo is not removed from mVbos since that would alter the index of other
//buffers (except if this is the last one).
//We can call switchVboPoolIndex, but that has unknown run time
vbo.vboName.Reset();
while( !mVbos[internalType][bufferType].empty() &&
mVbos[internalType][bufferType].back().vboName.Get() == 0 )
{
mVbos[internalType][bufferType].pop_back();
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::createImmutableBuffer( InternalBufferType internalType,
size_t sizeBytes, void *initialData,
Vbo &inOutVbo )
{
const size_t poolSize = sizeBytes;
ID3D11DeviceN *d3dDevice = mDevice.get();
D3D11_BUFFER_DESC desc;
ZeroMemory( &desc, sizeof(D3D11_BUFFER_DESC) );
desc.ByteWidth = poolSize;
desc.CPUAccessFlags = 0;
desc.Usage = D3D11_USAGE_IMMUTABLE;
if( internalType == VERTEX_BUFFER )
desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
else if( internalType == INDEX_BUFFER )
desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
else
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
D3D11_SUBRESOURCE_DATA subResData;
ZeroMemory( &subResData, sizeof(D3D11_SUBRESOURCE_DATA) );
subResData.pSysMem = initialData;
HRESULT hr = d3dDevice->CreateBuffer( &desc, &subResData, inOutVbo.vboName.GetAddressOf() );
if( FAILED( hr ) )
{
String errorDescription = mDevice.getErrorDescription(hr);
OGRE_EXCEPT( Exception::ERR_RENDERINGAPI_ERROR,
"Failed to create buffer. ID3D11Device::CreateBuffer.\n"
"Error code: " + StringConverter::toString( hr ) + ".\n" +
errorDescription +
"Requested: " + StringConverter::toString( poolSize ) + " bytes.",
"D3D11VaoManager::createImmutableBuffer" );
}
inOutVbo.sizeBytes = poolSize;
inOutVbo.freeBlocks.clear(); //No free blocks
inOutVbo.dynamicBuffer = 0;
mVbos[internalType][BT_IMMUTABLE].push_back( inOutVbo );
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::mergeContiguousBlocks( BlockVec::iterator blockToMerge,
BlockVec &blocks )
{
BlockVec::iterator itor = blocks.begin();
BlockVec::iterator end = blocks.end();
while( itor != end )
{
if( itor->offset + itor->size == blockToMerge->offset )
{
itor->size += blockToMerge->size;
size_t idx = itor - blocks.begin();
//When blockToMerge is the last one, its index won't be the same
//after removing the other iterator, they will swap.
if( idx == blocks.size() - 1 )
idx = blockToMerge - blocks.begin();
efficientVectorRemove( blocks, blockToMerge );
blockToMerge = blocks.begin() + idx;
itor = blocks.begin();
end = blocks.end();
}
else if( blockToMerge->offset + blockToMerge->size == itor->offset )
{
blockToMerge->size += itor->size;
size_t idx = blockToMerge - blocks.begin();
//When blockToMerge is the last one, its index won't be the same
//after removing the other iterator, they will swap.
if( idx == blocks.size() - 1 )
idx = itor - blocks.begin();
efficientVectorRemove( blocks, itor );
blockToMerge = blocks.begin() + idx;
itor = blocks.begin();
end = blocks.end();
}
else
{
++itor;
}
}
}
//-----------------------------------------------------------------------------------
VertexBufferPacked* D3D11VaoManager::createVertexBufferImpl( size_t numElements,
uint32 bytesPerElement,
BufferType bufferType,
void *initialData, bool keepAsShadow,
const VertexElement2Vec &vElements )
{
size_t vboIdx;
size_t bufferOffset;
ID3D11Buffer *vboName;
D3D11DynamicBuffer *dynamicBuffer;
if( bufferType == BT_IMMUTABLE )
{
vboIdx = 0;
bufferOffset = 0;
vboName = 0;
dynamicBuffer = 0;
}
else
{
allocateVbo( numElements * bytesPerElement, bytesPerElement, bufferType, VERTEX_BUFFER,
vboIdx, bufferOffset );
BufferType vboFlag = bufferType;
if( vboFlag >= BT_DYNAMIC_DEFAULT )
vboFlag = BT_DYNAMIC_DEFAULT;
Vbo &vbo = mVbos[VERTEX_BUFFER][vboFlag][vboIdx];
vboName = vbo.vboName.Get();
dynamicBuffer = vbo.dynamicBuffer;
}
D3D11BufferInterface *bufferInterface = new D3D11BufferInterface( vboIdx, vboName,
dynamicBuffer );
VertexBufferPacked *retVal = OGRE_NEW VertexBufferPacked(
bufferOffset, numElements, bytesPerElement, 0,
bufferType, initialData, keepAsShadow,
this, bufferInterface, vElements, 0, 0, 0 );
if( initialData )
bufferInterface->_firstUpload( initialData );
if( bufferType == BT_IMMUTABLE )
mDelayedBuffers[VERTEX_BUFFER].push_back( retVal );
return retVal;
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::destroyVertexBufferImpl( VertexBufferPacked *vertexBuffer )
{
D3D11BufferInterface *bufferInterface = static_cast<D3D11BufferInterface*>(
vertexBuffer->getBufferInterface() );
if( bufferInterface->_getInitialData() != 0 )
{
//Immutable buffer that never made to the GPU.
removeBufferFromDelayedQueue( mDelayedBuffers[VERTEX_BUFFER], vertexBuffer );
}
else
{
deallocateVbo( bufferInterface->getVboPoolIndex(),
vertexBuffer->_getInternalBufferStart() * vertexBuffer->getBytesPerElement(),
vertexBuffer->_getInternalTotalSizeBytes(),
vertexBuffer->getBufferType(), VERTEX_BUFFER );
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::removeBufferFromDelayedQueue( BufferPackedVec &container,
BufferPacked *buffer )
{
assert( buffer->getBufferType() == BT_IMMUTABLE );
BufferPackedVec::iterator itor = container.begin();
BufferPackedVec::iterator end = container.end();
while( itor != end )
{
if( *itor == buffer )
{
itor = efficientVectorRemove( container, itor );
itor = container.end();
end = container.end();
}
else
{
++itor;
}
}
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::_forceCreateDelayedImmutableBuffers(void)
{
bool delayedBuffersPending = false;
for( size_t i=0; i<NumInternalBufferTypes; ++i )
{
delayedBuffersPending |= !mDelayedBuffers[i].empty() &&
mDefaultPoolSize[i][BT_IMMUTABLE] > 0u;
}
if( delayedBuffersPending )
{
LogManager::getSingleton().logMessage(
"PERFORMANCE WARNING D3D11: Calling createAsyncTicket when there are "
"pending immutable buffers to be created. This will force Ogre to "
"create them immediately; which diminish our ability to batch meshes "
"toghether & could affect performance during rendering.\n"
"You should call createAsyncTicket after all immutable meshes have "
"been loaded to ensure they get batched together. If you're already "
"doing this, you can ignore this warning.\n"
"If you're not going to render (i.e. this is a mesh export tool) "
"you can also ignore this warning." );
}
createDelayedImmutableBuffers();
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::createDelayedImmutableBuffers(void)
{
OgreProfileExhaustive( "D3D11VaoManager::createDelayedImmutableBuffers" );
bool immutableBuffersCreated = false;
for( size_t i=0; i<NumInternalBufferTypes; ++i )
{
BufferPackedVec::const_iterator start = mDelayedBuffers[i].begin();
while( start != mDelayedBuffers[i].end() )
{
//Each iteration means a new pool
Vbo newVbo;
//Calculate the size for this pool
BufferPackedVec::const_iterator itor = start;
BufferPackedVec::const_iterator end = mDelayedBuffers[i].end();
size_t totalBytes = (*itor)->getTotalSizeBytes();
++itor;
while( itor != end )
{
if( totalBytes + (*itor)->getTotalSizeBytes() > mDefaultPoolSize[i][BT_IMMUTABLE] )
{
end = itor;
}
else
{
totalBytes = alignToNextMultiple( totalBytes, (*itor)->getBytesPerElement() );
totalBytes += (*itor)->getTotalSizeBytes();
++itor;
}
}
uint8 *mergedData = reinterpret_cast<uint8*>(OGRE_MALLOC_SIMD( totalBytes,
MEMCATEGORY_GEOMETRY ));
size_t dstOffset = 0;
//Merge the binary data as a contiguous array
itor = start;
while( itor != end )
{
D3D11BufferInterface *bufferInterface = static_cast<D3D11BufferInterface*>(
(*itor)->getBufferInterface() );
const size_t dstOffsetBeforeAlignment = dstOffset;
dstOffset = alignToNextMultiple( dstOffset, (*itor)->getBytesPerElement() );
if( dstOffsetBeforeAlignment != dstOffset )
{
//This is a stride changer, record as such.
StrideChangerVec::iterator itStride = std::lower_bound(
newVbo.strideChangers.begin(),
newVbo.strideChangers.end(),
dstOffset, StrideChanger() );
const size_t padding = dstOffset - dstOffsetBeforeAlignment;
newVbo.strideChangers.insert( itStride, StrideChanger( dstOffset, padding ) );
}
memcpy( mergedData + dstOffset, bufferInterface->_getInitialData(),
(*itor)->getTotalSizeBytes() );
bufferInterface->_deleteInitialData();
dstOffset += (*itor)->getTotalSizeBytes();
++itor;
}
//Create the actual D3D11 object loaded with the merged data
createImmutableBuffer( static_cast<InternalBufferType>(i), totalBytes,
mergedData, newVbo );
const size_t vboIdx = mVbos[i][BT_IMMUTABLE].size() - 1;
ID3D11Buffer *vboName = newVbo.vboName.Get();
dstOffset = 0;
//Each buffer needs to be told about its new D3D11 object
//(and pool index & where it starts).
itor = start;
while( itor != end )
{
D3D11BufferInterface *bufferInterface = static_cast<D3D11BufferInterface*>(
(*itor)->getBufferInterface() );
dstOffset = alignToNextMultiple( dstOffset, (*itor)->getBytesPerElement() );
bufferInterface->_setVboName( vboIdx, vboName, dstOffset );
dstOffset += (*itor)->getTotalSizeBytes();
++itor;
}
OGRE_FREE_SIMD( mergedData, MEMCATEGORY_GEOMETRY );
mergedData = 0;
start = end;
immutableBuffersCreated = true;
}
}
//We've populated the Vertex & Index buffers with their GPU/API pointers. Now we need
//to update the Vaos' internal structures that cache these GPU/API pointers.
if( immutableBuffersCreated )
reorganizeImmutableVaos();
for( size_t i=0; i<NumInternalBufferTypes; ++i )
mDelayedBuffers[i].clear();
}
//-----------------------------------------------------------------------------------
void D3D11VaoManager::reorganizeImmutableVaos(void)
{
OgreProfileExhaustive( "D3D11VaoManager::reorganizeImmutableVaos" );
VertexArrayObjectSet::const_iterator itor = mVertexArrayObjects.begin();
VertexArrayObjectSet::const_iterator end = mVertexArrayObjects.end();
while( itor != end )
{
VertexArrayObject *vertexArrayObject = *itor;
bool needsUpdate = false;
const VertexBufferPackedVec &vertexBuffers = vertexArrayObject->getVertexBuffers();
VertexBufferPackedVec::const_iterator itVertexBuf = vertexBuffers.begin();
VertexBufferPackedVec::const_iterator enVertexBuf = vertexBuffers.end();
while( itVertexBuf != enVertexBuf && !needsUpdate )
{
if( (*itVertexBuf)->getBufferType() == BT_IMMUTABLE )
{
BufferPackedVec::const_iterator it = std::find(
mDelayedBuffers[VERTEX_BUFFER].begin(),
mDelayedBuffers[VERTEX_BUFFER].end(),
*itVertexBuf );
if( it != mDelayedBuffers[VERTEX_BUFFER].end() )
needsUpdate = true;
}
++itVertexBuf;
}
if( vertexArrayObject->getIndexBuffer() &&
vertexArrayObject->getIndexBuffer()->getBufferType() == BT_IMMUTABLE )
{
BufferPackedVec::const_iterator it = std::find( mDelayedBuffers[INDEX_BUFFER].begin(),
mDelayedBuffers[INDEX_BUFFER].end(),
vertexArrayObject->getIndexBuffer() );
if( it != mDelayedBuffers[INDEX_BUFFER].end() )
needsUpdate = true;
}
if( needsUpdate )
{
if( vertexArrayObject->getVaoName() )
releaseVao( vertexArrayObject );
VaoVec::iterator itor = findVao( vertexArrayObject->getVertexBuffers(),
vertexArrayObject->getIndexBuffer(),
vertexArrayObject->getOperationType() );
D3D11VertexArrayObject *d3dVao = static_cast<D3D11VertexArrayObject*>(
vertexArrayObject );
uint32 uniqueVaoId = extractUniqueVaoIdFromRenderQueueId( d3dVao->getRenderQueueId() );
const uint32 renderQueueId = generateRenderQueueId( itor->vaoName, uniqueVaoId );
d3dVao->_updateImmutableResource( itor->vaoName, renderQueueId, itor->sharedData );
}
++itor;
}
}
//-----------------------------------------------------------------------------------
MultiSourceVertexBufferPool* D3D11VaoManager::createMultiSourceVertexBufferPoolImpl(
const VertexElement2VecVec &vertexElementsBySource,
size_t maxNumVertices, size_t totalBytesPerVertex,
BufferType bufferType )
{
OGRE_EXCEPT( Exception::ERR_NOT_IMPLEMENTED, "Not implemented. Come back later.",
"D3D11VaoManager::createMultiSourceVertexBufferPoolImpl" );
/*size_t vboIdx;
size_t bufferOffset;
allocateVbo( maxNumVertices * totalBytesPerVertex, totalBytesPerVertex,
bufferType, VERTEX_BUFFER, vboIdx, bufferOffset );
BufferType vboFlag = bufferType;
if( vboFlag >= BT_DYNAMIC_DEFAULT )
vboFlag = BT_DYNAMIC_DEFAULT;
const Vbo &vbo = mVbos[VERTEX_BUFFER][vboFlag][vboIdx];
return OGRE_NEW D3D11MultiSourceVertexBufferPool( vboIdx, vbo.vboName, vertexElementsBySource,
maxNumVertices, bufferType,
bufferOffset, this );*/
}
//-----------------------------------------------------------------------------------
IndexBufferPacked* D3D11VaoManager::createIndexBufferImpl( size_t numElements,
uint32 bytesPerElement,
BufferType bufferType,
void *initialData, bool keepAsShadow )
{
size_t vboIdx;