-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathAcceleratorBuffer_8h_source.html
More file actions
1412 lines (1410 loc) · 259 KB
/
AcceleratorBuffer_8h_source.html
File metadata and controls
1412 lines (1410 loc) · 259 KB
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
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.4"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>ngscopeclient: lib/scopehal/AcceleratorBuffer.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectalign">
<div id="projectname">ngscopeclient<span id="projectnumber"> v0.1.1</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.4 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li><li class="navelem"><a class="el" href="dir_34225d73dd217f0f7ac441e6d84037ec.html">scopehal</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle"><div class="title">AcceleratorBuffer.h</div></div>
</div><!--header-->
<div class="contents">
<a href="AcceleratorBuffer_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/***********************************************************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">* *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">* libscopehal *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">* *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">* Copyright (c) 2012-2025 Andrew D. Zonenberg and contributors *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">* All rights reserved. *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">* *</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">* following conditions are met: *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">* *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">* * Redistributions of source code must retain the above copyright notice, this list of conditions, and the *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">* following disclaimer. *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment">* *</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">* following disclaimer in the documentation and/or other materials provided with the distribution. *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment">* *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">* * Neither the name of the author nor the names of any contributors may be used to endorse or promote products *</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">* derived from this software without specific prior written permission. *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment">* *</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">* THIS SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL *</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">* THE AUTHORS BE HELD LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES *</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment">* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">* POSSIBILITY OF SUCH DAMAGE. *</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">* *</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">***********************************************************************************************************************/</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#ifndef AcceleratorBuffer_h</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#define AcceleratorBuffer_h</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="AlignedAllocator_8h.html">AlignedAllocator.h</a>"</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="QueueManager_8h.html">QueueManager.h</a>"</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#undef MemoryBarrier</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#ifndef _WIN32</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include <sys/mman.h></span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include <type_traits></span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="keyword">extern</span> uint32_t <a class="code hl_variable" href="group__vksupport.html#ga0399c400a07f35d8a39eb1c28104fbcd">g_vkPinnedMemoryType</a>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">extern</span> uint32_t <a class="code hl_variable" href="group__vksupport.html#gae7f19146c8e4e58818b248291a46f087">g_vkLocalMemoryType</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">extern</span> std::shared_ptr<vk::raii::Device> <a class="code hl_variable" href="group__vksupport.html#ga945c2c77ece3cb4606a1adcd4d2dd25e">g_vkComputeDevice</a>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">extern</span> std::unique_ptr<vk::raii::CommandBuffer> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">extern</span> std::shared_ptr<QueueHandle> <a class="code hl_variable" href="group__vksupport.html#gabd2ceb9b89b40431159e2a081352647f">g_vkTransferQueue</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">extern</span> std::mutex <a class="code hl_variable" href="group__vksupport.html#ga5ce9839b056cc290f6064e10f4a70ce8">g_vkTransferMutex</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keyword">extern</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="group__vksupport.html#ga6ff80e4412ae7b88ae9c1d492e2161d7">g_hasDebugUtils</a>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">extern</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="keyword">class </span><a class="code hl_class" href="classAcceleratorBuffer.html">AcceleratorBuffer</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3"> 66</a></span><span class="keyword">enum class</span> <a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3">MemoryPressureLevel</a></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>{</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_enumvalue" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3a3656183169810334a96b91129dc9d881">Hard</a>,</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_enumvalue" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3a682160fc6ad12f783f70608a9b46b9b9">Soft</a></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>};</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671"> 83</a></span><span class="keyword">enum class</span> <a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671">MemoryPressureType</a></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>{</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_enumvalue" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671ac2ca16d048ec66e04bca283eab048ec2">Host</a>,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_enumvalue" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671ae0ac20adce6ffee48c7151b070aa5737">Device</a></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>};</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="AcceleratorBuffer_8h.html#a072b7e5ff273679e7ea11c3cbd234657"> 93</a></span><span class="keyword">typedef</span> bool (*<a class="code hl_typedef" href="AcceleratorBuffer_8h.html#a072b7e5ff273679e7ea11c3cbd234657">MemoryPressureHandler</a>)(<a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3">MemoryPressureLevel</a> level, <a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671">MemoryPressureType</a> type, <span class="keywordtype">size_t</span> requestedSize);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="keywordtype">bool</span> <a class="code hl_function" href="AcceleratorBuffer_8h.html#a63fc0feff4fbbd253d63be974ab72c17">OnMemoryPressure</a>(<a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a2d7ad7813addb1ef2f748f096f4a4cb3">MemoryPressureLevel</a> level, <a class="code hl_enumeration" href="AcceleratorBuffer_8h.html#a99e512813b3585a558f7370ba8a67671">MemoryPressureType</a> type, <span class="keywordtype">size_t</span> requestedSize);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="classAcceleratorBufferIterator.html"> 98</a></span><span class="keyword">class </span><a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator</a></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span>{</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">using </span>value_type = T;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">using </span>iterator_category = std::forward_iterator_tag;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">using </span>difference_type = std::ptrdiff_t;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">using </span>pointer = T*;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">using </span>reference = T&;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator</a>(<a class="code hl_class" href="classAcceleratorBuffer.html">AcceleratorBuffer<T></a>& buf, <span class="keywordtype">size_t</span> i)</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> : m_index(i)</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> , m_buf(buf)</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> {}</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> T& operator*()</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> { <span class="keywordflow">return</span> m_buf[m_index]; }</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordtype">size_t</span> GetIndex()<span class="keyword"> const</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> m_index; }</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">bool</span> operator!=(<a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>& it)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">//TODO: should we check m_buf equality too?</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">//Will slow things down, but be more semantically correct. Does anything care?</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">return</span> (m_index != it.m_index);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> }</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>& operator++()</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> {</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> m_index ++;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">size_t</span> m_index;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_class" href="classAcceleratorBuffer.html">AcceleratorBuffer<T></a>& m_buf;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>};</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>std::ptrdiff_t operator-(<span class="keyword">const</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>& a, <span class="keyword">const</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>& b)</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>{ <span class="keywordflow">return</span> a.GetIndex() - b.GetIndex(); }</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html"> 157</a></span><span class="keyword">class </span><a class="code hl_class" href="classAcceleratorBuffer.html">AcceleratorBuffer</a></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>{</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// Allocator for CPU-only memory</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_class" href="classAlignedAllocator.html">AlignedAllocator<T, 32></a> m_cpuAllocator;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// Buffer types</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ac69b4fd985fe1c5e2c990d9b2c089878"> 174</a></span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="classAcceleratorBuffer.html#ac69b4fd985fe1c5e2c990d9b2c089878">MemoryAttributes</a></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> {</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">//Location of the memory</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> MEM_ATTRIB_CPU_SIDE = 0x1,</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> MEM_ATTRIB_GPU_SIDE = 0x2,</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">//Reachability</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> MEM_ATTRIB_CPU_REACHABLE = 0x4,</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> MEM_ATTRIB_GPU_REACHABLE = 0x8,</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">//Speed</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> MEM_ATTRIB_CPU_FAST = 0x10,</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> MEM_ATTRIB_GPU_FAST = 0x20</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> };</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62"> 192</a></span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">//Pointer is invalid</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> MEM_TYPE_NULL = 0,</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">//Memory is located on the CPU but backed by a file and may get paged out</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> MEM_TYPE_CPU_PAGED =</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> MEM_ATTRIB_CPU_SIDE | MEM_ATTRIB_CPU_REACHABLE,</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="comment">//Memory is located on the CPU but not pinned, or otherwise accessible to the GPU</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> MEM_TYPE_CPU_ONLY =</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> MEM_ATTRIB_CPU_SIDE | MEM_ATTRIB_CPU_REACHABLE | MEM_ATTRIB_CPU_FAST,</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="comment">//Memory is located on the CPU, but can be accessed by the GPU.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">//Fast to access from the CPU, but accesses from the GPU require PCIe DMA and is slow</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="comment">//(unless platform uses unified memory, in which case g_vulkanDeviceHasUnifiedMemory will be true)</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> MEM_TYPE_CPU_DMA_CAPABLE =</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> MEM_ATTRIB_CPU_SIDE | MEM_ATTRIB_CPU_REACHABLE | MEM_ATTRIB_CPU_FAST | MEM_ATTRIB_GPU_REACHABLE,</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">//Memory is located on the GPU and cannot be directly accessed by the CPU</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> MEM_TYPE_GPU_ONLY =</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> MEM_ATTRIB_GPU_SIDE | MEM_ATTRIB_GPU_REACHABLE | MEM_ATTRIB_GPU_FAST,</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">//Memory is located on the GPU, but can be accessed by the CPU.</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">//Fast to access from the GPU, but accesses from the CPU require PCIe DMA and is slow</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">//(should not be used if platform uses unified memory, in which case g_vulkanDeviceHasUnifiedMemory will be true)</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> MEM_TYPE_GPU_DMA_CAPABLE =</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> MEM_ATTRIB_GPU_SIDE | MEM_ATTRIB_GPU_REACHABLE | MEM_ATTRIB_GPU_FAST | MEM_ATTRIB_CPU_REACHABLE</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> };</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a248f07884ae05372579508c570a128f7"> 227</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a248f07884ae05372579508c570a128f7">IsReachableFromCpu</a>(<a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> mt)</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> { <span class="keywordflow">return</span> (mt & MEM_ATTRIB_CPU_REACHABLE) != 0; }</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a5319cab1b6d273240920a7246ce30a62"> 233</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a5319cab1b6d273240920a7246ce30a62">IsReachableFromGpu</a>(<a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> mt)</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> { <span class="keywordflow">return</span> (mt & MEM_ATTRIB_GPU_REACHABLE) != 0; }</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#abff1778df2e11308cd42690882515493"> 239</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abff1778df2e11308cd42690882515493">IsFastFromCpu</a>(<a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> mt)</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> { <span class="keywordflow">return</span> (mt & MEM_ATTRIB_CPU_FAST) != 0; }</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a882d5048cc9f950bdb29bd60dbf245c5"> 245</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a882d5048cc9f950bdb29bd60dbf245c5">IsFastFromGpu</a>(<a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> mt)</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> { <span class="keywordflow">return</span> (mt & MEM_ATTRIB_GPU_FAST) != 0; }</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1"> 249</a></span> <a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> <a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a>;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67"> 252</a></span> <a class="code hl_enumeration" href="classAcceleratorBuffer.html#ae128b32a6d406efedb71163f7775eb62">MemoryType</a> <a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a>;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// The actual memory buffers</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2"> 258</a></span> T* <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40"> 261</a></span> std::unique_ptr<vk::raii::DeviceMemory> <a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a>;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7"> 264</a></span> std::unique_ptr<vk::raii::DeviceMemory> <a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea"> 267</a></span> std::unique_ptr<vk::raii::Buffer> <a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a>;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded"> 270</a></span> std::unique_ptr<vk::raii::Buffer> <a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00"> 273</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a>;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d"> 276</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef"> 279</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a>;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span><span class="preprocessor">#ifndef _WIN32</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aba9b327dca04344e2f50bb5360fff84f"> 283</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#aba9b327dca04344e2f50bb5360fff84f">m_tempFileHandle</a>;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="comment">// Iteration</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// Sizes of buffers</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468"> 293</a></span> <span class="keywordtype">size_t</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9"> 296</a></span> <span class="keywordtype">size_t</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Hint configuration</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">enum</span> UsageHint</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> {</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> HINT_NEVER,</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> HINT_UNLIKELY,</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> HINT_LIKELY</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> };</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8"> 310</a></span> UsageHint <a class="code hl_variable" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8">m_cpuAccessHint</a>;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f"> 313</a></span> UsageHint <a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a>;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Construction / destruction</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ac3dc555dcc8f50470466fe8075f7f38d"> 322</a></span> <a class="code hl_function" href="classAcceleratorBuffer.html#ac3dc555dcc8f50470466fe8075f7f38d">AcceleratorBuffer</a>(<span class="keyword">const</span> std::string& name = <span class="stringliteral">""</span>)</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> : <a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a>(MEM_TYPE_NULL)</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a>(MEM_TYPE_NULL)</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>(nullptr)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a>(nullptr)</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a>(false)</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>(false)</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a>(false)</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> #ifndef _WIN32</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#aba9b327dca04344e2f50bb5360fff84f">m_tempFileHandle</a>(0)</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> #endif</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>(0)</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>(0)</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8">m_cpuAccessHint</a>(HINT_LIKELY) <span class="comment">//default access hint: CPU-side pinned memory</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> , <a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a>(HINT_UNLIKELY)</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> , m_name(name)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">//non-trivially-copyable types can't be copied to GPU except on unified memory platforms</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value && !<a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a>)</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> = HINT_NEVER;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> }</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <a class="code hl_class" href="classAcceleratorBuffer.html">~AcceleratorBuffer</a>()</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> {</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8f2f7bab4ec4c135996eeab26108de0">FreeCpuBuffer</a>();</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190">FreeGpuBuffer</a>(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// General accessors</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> </div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a3f25e4ad39fdad1d93dffc0d9bcc5657"> 357</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f25e4ad39fdad1d93dffc0d9bcc5657">size</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>; }</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a6437e1c1c60a5579d48ea8b9896fa129"> 363</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a6437e1c1c60a5579d48ea8b9896fa129">capacity</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>; }</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a5fe4fae111f0836068ba512d2d6405e9"> 369</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a5fe4fae111f0836068ba512d2d6405e9">GetCpuMemoryBytes</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> == MEM_TYPE_NULL)</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> * <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> }</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ab9b53b2a0f248f5a24527d4bffacee08"> 380</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ab9b53b2a0f248f5a24527d4bffacee08">GetGpuMemoryBytes</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> == MEM_TYPE_NULL)</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> * <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> }</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4"> 391</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4">empty</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> == 0); }</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> </div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a1408f4f6558e81c2731cfc60c66fbc9c"> 397</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a1408f4f6558e81c2731cfc60c66fbc9c">IsCpuBufferStale</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>; }</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#afbcd09cbb4a94913a64151e3528f886f"> 403</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#afbcd09cbb4a94913a64151e3528f886f">IsGpuBufferStale</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a>; }</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a3258a68264fccd3bdf600d3083698e28"> 409</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3258a68264fccd3bdf600d3083698e28">HasCpuBuffer</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> (<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a> != <span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aad3e82c9976bddc5cef7926ed9ffd421"> 415</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aad3e82c9976bddc5cef7926ed9ffd421">HasGpuBuffer</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> (<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> != <span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a2f95dcd99d376e19c97d793d49ad95f8"> 421</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a2f95dcd99d376e19c97d793d49ad95f8">IsSingleSharedBuffer</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a>; }</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a5c0c48947cbca5148679a9974a241976"> 429</a></span> vk::Buffer <a class="code hl_function" href="classAcceleratorBuffer.html#a5c0c48947cbca5148679a9974a241976">GetBuffer</a>()</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> {</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a> != <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">return</span> **<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>;</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">return</span> **<a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a>;</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> }</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aee894ecc62dd39ce767bae158366b758"> 440</a></span> T* <a class="code hl_function" href="classAcceleratorBuffer.html#aee894ecc62dd39ce767bae158366b758">GetCpuPointer</a>()</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> { <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>; }</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a1bce9a2246e0d7dbb1c082040da57ace"> 446</a></span> vk::DescriptorBufferInfo <a class="code hl_function" href="classAcceleratorBuffer.html#a1bce9a2246e0d7dbb1c082040da57ace">GetBufferInfo</a>()</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> {</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordflow">return</span> vk::DescriptorBufferInfo(</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a5c0c48947cbca5148679a9974a241976">GetBuffer</a>(),</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> 0,</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> }</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38"> 457</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> {</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="comment">//Need to grow?</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="keywordflow">if</span>(size > <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>)</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> {</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="comment">//Default to doubling in size each time to avoid excessive copying.</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> == 0)</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a7e351e951f6c7e8329a5666d8b82d157">reserve</a>(size);</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span>(size > <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>*2)</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a7e351e951f6c7e8329a5666d8b82d157">reserve</a>(size);</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a7e351e951f6c7e8329a5666d8b82d157">reserve</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> * 2);</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="comment">//Update our size</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> = size;</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> }</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> </div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#af231191d6b1297f1fa06ba50b52ae5f9"> 478</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#af231191d6b1297f1fa06ba50b52ae5f9">clear</a>()</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> { <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(0); }</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a7e351e951f6c7e8329a5666d8b82d157"> 484</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a7e351e951f6c7e8329a5666d8b82d157">reserve</a>(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> {</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">if</span>(size > <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>)</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> Reallocate(size);</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> }</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#abb25bef2adce71f2f36c7f02eb221d93"> 493</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abb25bef2adce71f2f36c7f02eb221d93">shrink_to_fit</a>()</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> {</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> != <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>)</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> Reallocate(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>);</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> }</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> </div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a09e43acd00151ba545b5a361515e5abd"> 502</a></span> <a class="code hl_function" href="classAcceleratorBuffer.html#a09e43acd00151ba545b5a361515e5abd">__attribute__</a>((noinline))</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keywordtype">void</span> CopyFrom(<span class="keyword">const</span> <a class="code hl_class" href="classAcceleratorBuffer.html">AcceleratorBuffer<T></a>& rhs)</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> {</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="comment">//Copy placement hints from the other instance, then resize to match</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8461791fa62a0f6dd4fc3d0654905fc">SetCpuAccessHint</a>(rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8">m_cpuAccessHint</a>);</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>);</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="comment">//Valid data CPU side? Copy it to here</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">if</span>(rhs.<a class="code hl_function" href="classAcceleratorBuffer.html#a3258a68264fccd3bdf600d3083698e28">HasCpuBuffer</a>() && !rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>)</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> {</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="comment">//non-trivially-copyable types have to be copied one at a time</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value)</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> {</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>; i++)</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i] = rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i];</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> }</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> </div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="comment">//Trivially copyable types can be done more efficiently in a block</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> memcpy(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> }</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a> = rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>;</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> </div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="comment">//Valid data GPU side? Copy it to here</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <span class="keywordflow">if</span>(rhs.<a class="code hl_function" href="classAcceleratorBuffer.html#aad3e82c9976bddc5cef7926ed9ffd421">HasGpuBuffer</a>() && !rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a>)</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> {</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> std::lock_guard<std::mutex> lock(<a class="code hl_variable" href="group__vksupport.html#ga5ce9839b056cc290f6064e10f4a70ce8">g_vkTransferMutex</a>);</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> </div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="comment">//Make the transfer request</span></div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->begin({});</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> vk::BufferCopy region(0, 0, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->copyBuffer(**rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, **<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, {region});</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->end();</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> </div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="comment">//Submit the request and block until it completes</span></div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <a class="code hl_variable" href="group__vksupport.html#gabd2ceb9b89b40431159e2a081352647f">g_vkTransferQueue</a>->SubmitAndBlock(*<a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> }</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> = rhs.<a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a>;</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> }</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> </div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#adcb3f83ee5e01ba2aee6256ff1dfd725"> 548</a></span> <a class="code hl_function" href="classAcceleratorBuffer.html#adcb3f83ee5e01ba2aee6256ff1dfd725">__attribute__</a>((noinline))</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordtype">void</span> Reallocate(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> {</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keywordflow">if</span>(size == 0)</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> </div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span><span class="comment"> If we are a bool[] or similar one-byte type, we are likely going to be accessed from the GPU via a uint32</span></div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span><span class="comment"> descriptor for at least some shaders (such as rendering).</span></div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span><span class="comment"></span> </div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span><span class="comment"> Round our actual allocated size to the next multiple of 4 bytes. The padding values are unimportant as the</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span><span class="comment"> bytes are never written, and the data read from the high bytes in the uint32 is discarded by the GPU.</span></div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span><span class="comment"> We just need to ensure the memory is allocated so the 32-bit read is legal to perform.</span></div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span><span class="comment"> */</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordflow">if</span>( (<span class="keyword">sizeof</span>(T) == 1) && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> != HINT_NEVER) )</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> {</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keywordflow">if</span>(size & 3)</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> size = (size | 3) + 1;</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> }</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="comment">//If we do not anticipate using the data on the CPU, we shouldn't waste RAM.</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">//Allocate a GPU-local buffer, copy data to it, then free the CPU-side buffer</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="comment">//Don't do this if the platform has unified memory</span></div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8">m_cpuAccessHint</a> == HINT_NEVER) && !<a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a>)</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> {</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a88c7c569893ac1992d8768c35ad48b4b">PrepareForGpuAccess</a>();</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8f2f7bab4ec4c135996eeab26108de0">FreeCpuBuffer</a>();</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> }</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> </div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> {</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="comment">//Resize CPU memory</span></div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="comment">//TODO: optimization, when expanding a MEM_TYPE_CPU_PAGED we can just enlarge the file</span></div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="comment">//and not have to make a new temp file and copy the content</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a> != <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> {</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="comment">//Save the old pointer</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">auto</span> pOld = <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>;</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keyword">auto</span> pOldPin = std::move(<a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a>);</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keyword">auto</span> type = <a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a>;</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> </div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="comment">//Allocate the new buffer</span></div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> AllocateCpuBuffer(size);</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> </div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="comment">//If CPU-side data is valid, copy existing data over.</span></div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="comment">//New pointer is still valid in this case.</span></div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="keywordflow">if</span>(!<a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>)</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> {</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="comment">//non-trivially-copyable types have to be copied one at a time</span></div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value)</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> {</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>; i++)</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i] = std::move(pOld[i]);</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> }</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="comment">//Trivially copyable types can be done more efficiently in a block</span></div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> <span class="comment">//gcc warns about this even though we only call this code if the type is trivially copyable,</span></div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="comment">//so disable the warning.</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> {</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span><span class="preprocessor"> #pragma GCC diagnostic push</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span><span class="preprocessor"> #pragma GCC diagnostic ignored "-Wclass-memaccess"</span></div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> </div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> memcpy(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, pOld, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> </div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span><span class="preprocessor"> #pragma GCC diagnostic pop</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> }</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> </div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="comment">//If CPU-side data is stale, just allocate the new buffer but leave it as stale</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="comment">//(don't do a potentially unnecessary copy from the GPU)</span></div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="comment">//Now we're done with the old pointer so get rid of it</span></div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> FreeCpuPointer(pOld, pOldPin, type, <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>);</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> }</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> </div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="comment">//Allocate new CPU memory, replacing our current (null) pointer</span></div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> {</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> AllocateCpuBuffer(size);</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> </div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="comment">//If we already had GPU-side memory containing data, then the new CPU-side buffer is stale</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="comment">//until we copy stuff over to it</span></div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> != <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> }</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> }</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> </div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="comment">//We're expecting to use data on the GPU, so prepare to do stuff with it</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> != HINT_NEVER)</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> {</div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <span class="comment">//If GPU access is unlikely, we probably want to just use pinned memory.</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="comment">//If available, mark buffers as the same, and free any existing GPU buffer we might have</span></div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="comment">//Always use pinned memory if the platform has unified memory</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordflow">if</span>( ((<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> == HINT_UNLIKELY) && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> == MEM_TYPE_CPU_DMA_CAPABLE)) || <a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a> )</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190">FreeGpuBuffer</a>();</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="comment">//Nope, we need to allocate dedicated GPU memory</span></div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> {</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="comment">//If we have an existing buffer with valid content, save it and copy content over</span></div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> != <span class="keyword">nullptr</span>) && !<a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> != 0))</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> {</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keyword">auto</span> pOld = std::move(<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a>);</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <span class="comment">//auto type = m_gpuMemoryType;</span></div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keyword">auto</span> bOld = std::move(<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>);</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> </div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="comment">//Allocation successful!</span></div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="keywordflow">if</span>(AllocateGpuBuffer(size))</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> {</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> std::lock_guard<std::mutex> lock(<a class="code hl_variable" href="group__vksupport.html#ga5ce9839b056cc290f6064e10f4a70ce8">g_vkTransferMutex</a>);</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="comment">//Make the transfer request</span></div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->begin({});</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> vk::BufferCopy region(0, 0, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->copyBuffer(**bOld, **<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, {region});</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->end();</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> </div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="comment">//Submit the request and block until it completes</span></div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <a class="code hl_variable" href="group__vksupport.html#gabd2ceb9b89b40431159e2a081352647f">g_vkTransferQueue</a>->SubmitAndBlock(*<a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>);</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> </div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="comment">//make sure buffer is freed before underlying physical memory (pOld) goes out of scope</span></div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> bOld = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> }</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> </div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <span class="comment">//Allocation failed!</span></div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> {</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">//Revert to the old buffer. We're now in a consistent state again</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> = std::move(pOld);</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a> = std::move(bOld);</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">//Make sure we have a CPU side buffer that's DMA capable</span></div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> != MEM_TYPE_CPU_DMA_CAPABLE)</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> {</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8461791fa62a0f6dd4fc3d0654905fc">SetCpuAccessHint</a>(HINT_LIKELY);</div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(HINT_LIKELY);</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> AllocateCpuBuffer(size);</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> }</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> <span class="comment">//Free the GPU buffer, moving its contents to the CPU</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190">FreeGpuBuffer</a>();</div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> }</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> }</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="comment">//Nope, just allocate a new buffer</span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> {</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="comment">//Allocation successful? We now have the buffer</span></div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keywordflow">if</span>(AllocateGpuBuffer(size))</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> {</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="comment">//If we already had CPU-side memory containing data, then the new GPU-side buffer is stale</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="comment">//until we copy stuff over to it.</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <span class="comment">//Special case: if m_size is 0 (newly allocated buffer) we're not stale yet</span></div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a> != <span class="keyword">nullptr</span>) && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> != 0) )</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> }</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> </div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="comment">//Allocation failed? No change, we already had the CPU buffer and don't have to touch anything</span></div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="comment">//But did the CPU buffer exist? if not, allocate *something*</span></div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a> == <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> {</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8461791fa62a0f6dd4fc3d0654905fc">SetCpuAccessHint</a>(HINT_LIKELY);</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(HINT_LIKELY);</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> AllocateCpuBuffer(size);</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> }</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> }</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> }</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> }</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> </div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="comment">//Existing GPU buffer we never expect to use again - needs to be freed</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> != <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190">FreeGpuBuffer</a>();</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> </div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="comment">//We are never going to use the buffer on the GPU, but don't have any existing GPU memory</span></div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="comment">//so no action required</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> {</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> }</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> </div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="comment">//Update our capacity</span></div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> = size;</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> </div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <span class="comment">//If we have a pinned buffer and nothing on the other side, there's a single shared physical memory region</span></div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a> =</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> ( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> == MEM_TYPE_CPU_DMA_CAPABLE) && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> == MEM_TYPE_NULL) ) ||</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> ( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> == MEM_TYPE_NULL) && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> == MEM_TYPE_GPU_DMA_CAPABLE) );</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> }</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> </div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="comment">// CPU-side STL-esque container API</span></div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> </div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <span class="comment">//PrepareForCpuAccess() *must* be called prior to calling any of these methods.</span></div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> </div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <span class="keyword">const</span> T& operator[](<span class="keywordtype">size_t</span> i)<span class="keyword"> const</span></div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i]; }</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> </div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> T& operator[](<span class="keywordtype">size_t</span> i)</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> { <span class="keywordflow">return</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i]; }</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> </div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a0cb94cd850a05383d75e05133e01ec45"> 752</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a0cb94cd850a05383d75e05133e01ec45">push_back</a>(<span class="keyword">const</span> T& value)</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> {</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="keywordtype">size_t</span> cursize = <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>;</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> + 1);</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[cursize] = value;</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> </div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a36c986c4670e44d25eb44ffc53b7a2ad">MarkModifiedFromCpu</a>();</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> }</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> </div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a15f3ad2841f86dbdee1b88ccaef9feb0"> 764</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a15f3ad2841f86dbdee1b88ccaef9feb0">push_back_nomarkmod</a>(<span class="keyword">const</span> T& value)</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> {</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> <span class="keywordtype">size_t</span> cursize = <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>;</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> + 1);</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[cursize] = value;</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> }</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> </div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a5dfe6a40c6a14fb4d3833c2505f948ec"> 774</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a5dfe6a40c6a14fb4d3833c2505f948ec">pop_back</a>()</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> {</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keywordflow">if</span>(!<a class="code hl_function" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4">empty</a>())</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> - 1);</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> }</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> </div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ab4908598198149618e743b759ee91973"> 785</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ab4908598198149618e743b759ee91973">push_front</a>(<span class="keyword">const</span> T& value)</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> {</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="keywordtype">size_t</span> cursize = <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>;</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> + 1);</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> </div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3e74d6d5197483812cc004f263767a5e">PrepareForCpuAccess</a>();</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> </div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <span class="comment">//non-trivially-copyable types have to be copied one at a time</span></div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value)</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> {</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<cursize; i++)</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i+1] = std::move(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i]);</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> }</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> </div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">//Trivially copyable types can be done more efficiently in a block</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> memmove(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>+1, <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, <span class="keyword">sizeof</span>(T) * (cursize));</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> </div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> <span class="comment">//Insert the new first element</span></div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[0] = value;</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> </div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a36c986c4670e44d25eb44ffc53b7a2ad">MarkModifiedFromCpu</a>();</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> }</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> </div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a09c7067a5f01c1a26b35c166e50a7b53"> 814</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a09c7067a5f01c1a26b35c166e50a7b53">pop_front</a>()</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> {</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <span class="comment">//No need to move data if popping last element</span></div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> == 1)</div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> {</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> <a class="code hl_function" href="classAcceleratorBuffer.html#af231191d6b1297f1fa06ba50b52ae5f9">clear</a>();</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> }</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> </div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="comment">//Don't touch GPU side buffer</span></div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> </div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3e74d6d5197483812cc004f263767a5e">PrepareForCpuAccess</a>();</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> </div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <span class="comment">//non-trivially-copyable types have to be copied one at a time</span></div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value)</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> {</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>-1; i++)</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i] = std::move(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>[i+1]);</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> }</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> </div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="comment">//Trivially copyable types can be done more efficiently in a block</span></div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> memmove(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>+1, <span class="keyword">sizeof</span>(T) * (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>-1));</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> </div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a61d1a4b3d80ac5786e2a43aadb3a5f38">resize</a>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> - 1);</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> </div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a36c986c4670e44d25eb44ffc53b7a2ad">MarkModifiedFromCpu</a>();</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> }</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> </div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a> begin()</div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> { <span class="keywordflow">return</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>(*<span class="keyword">this</span>, 0); }</div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> </div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a> end()</div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> { <span class="keywordflow">return</span> <a class="code hl_class" href="classAcceleratorBufferIterator.html">AcceleratorBufferIterator<T></a>(*<span class="keyword">this</span>, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>); }</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> </div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> <span class="comment">// Hints about near-future usage patterns</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> </div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> </div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aa8461791fa62a0f6dd4fc3d0654905fc"> 860</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8461791fa62a0f6dd4fc3d0654905fc">SetCpuAccessHint</a>(UsageHint hint, <span class="keywordtype">bool</span> reallocateImmediately = <span class="keyword">false</span>)</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> {</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#adcf06f0b10459ff0d487db5b6c47b3f8">m_cpuAccessHint</a> = hint;</div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> </div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="keywordflow">if</span>(reallocateImmediately && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> != 0))</div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> Reallocate(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>);</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> }</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> </div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1"> 874</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(UsageHint hint, <span class="keywordtype">bool</span> reallocateImmediately = <span class="keyword">false</span>)</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> {</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="comment">//Only trivially copyable datatypes are allowed on the GPU</span></div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> <span class="keywordflow">if</span>(!std::is_trivially_copyable<T>::value)</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> hint = HINT_NEVER;</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> </div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> = hint;</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> </div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordflow">if</span>(reallocateImmediately && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> != 0))</div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> Reallocate(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a>);</div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> }</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> </div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <span class="comment">// Cache invalidation</span></div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> </div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a36c986c4670e44d25eb44ffc53b7a2ad"> 894</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a36c986c4670e44d25eb44ffc53b7a2ad">MarkModifiedFromCpu</a>()</div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> {</div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="keywordflow">if</span>(!<a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a>)</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> }</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> </div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a1f59659e41f46f80c4fc8e4a42bef00d"> 905</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a1f59659e41f46f80c4fc8e4a42bef00d">MarkModifiedFromGpu</a>()</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> {</div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <span class="keywordflow">if</span>(!<a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a>)</div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> }</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> </div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="comment">// Preparation for access</span></div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> </div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a3e74d6d5197483812cc004f263767a5e"> 919</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3e74d6d5197483812cc004f263767a5e">PrepareForCpuAccess</a>()</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> {</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="comment">//Early out if no content</span></div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> == 0)</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> </div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> <span class="comment">//If there's no buffer at all on the CPU, allocate one</span></div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="keywordflow">if</span>(!<a class="code hl_function" href="classAcceleratorBuffer.html#a3258a68264fccd3bdf600d3083698e28">HasCpuBuffer</a>() && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> != MEM_TYPE_GPU_DMA_CAPABLE))</div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> AllocateCpuBuffer(<a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>);</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> </div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a>)</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ac0decc8423c922f9e15f4e805abec4a7">CopyToCpu</a>();</div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> }</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> </div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a88c7c569893ac1992d8768c35ad48b4b"> 941</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a88c7c569893ac1992d8768c35ad48b4b">PrepareForGpuAccess</a>(<span class="keywordtype">bool</span> outputOnly = <span class="keyword">false</span>)</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> {</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="comment">//Early out if no content or if unified memory</span></div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> == 0 || <a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a>)</div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> </div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <span class="comment">//If our current hint has no GPU access at all, update to say "unlikely" and reallocate</span></div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> == HINT_NEVER)</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(HINT_UNLIKELY, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> </div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <span class="comment">//If we don't have a buffer, allocate one unless our CPU buffer is pinned and GPU-readable</span></div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="keywordflow">if</span>(!<a class="code hl_function" href="classAcceleratorBuffer.html#aad3e82c9976bddc5cef7926ed9ffd421">HasGpuBuffer</a>() && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> != MEM_TYPE_CPU_DMA_CAPABLE) )</div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> {</div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="keywordflow">if</span>(!AllocateGpuBuffer(<a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>))</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> }</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> </div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="comment">//Make sure the GPU-side buffer is up to date</span></div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> && !outputOnly)</div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a017d6c1fd953cf4ff891c519e33d99a9">CopyToGpu</a>();</div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> }</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> </div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aa92643da744d1c68cbc59f98ee0b4bb5"> 971</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa92643da744d1c68cbc59f98ee0b4bb5">PrepareForGpuAccessNonblocking</a>(<span class="keywordtype">bool</span> outputOnly, vk::raii::CommandBuffer& cmdBuf)</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> {</div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="comment">//Early out if no content or if unified memory</span></div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> == 0 || <a class="code hl_variable" href="group__vksupport.html#gaf19e835716764bd983d2ba65c6d451e7">g_vulkanDeviceHasUnifiedMemory</a>)</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> </div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="comment">//If our current hint has no GPU access at all, update to say "unlikely" and reallocate</span></div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a83f3af446e906f919680c9458ca5477f">m_gpuAccessHint</a> == HINT_NEVER)</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a3f947bdc79cc23a008c3087a00c41ac1">SetGpuAccessHint</a>(HINT_UNLIKELY, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> </div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="comment">//If we don't have a buffer, allocate one unless our CPU buffer is pinned and GPU-readable</span></div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> <span class="keywordflow">if</span>(!<a class="code hl_function" href="classAcceleratorBuffer.html#aad3e82c9976bddc5cef7926ed9ffd421">HasGpuBuffer</a>() && (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> != MEM_TYPE_CPU_DMA_CAPABLE) )</div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> {</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keywordflow">if</span>(!AllocateGpuBuffer(<a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>))</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> }</div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> </div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <span class="comment">//Make sure the GPU-side buffer is up to date</span></div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> && !outputOnly)</div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ab600af784be39811df9e2d653d3a8d2b">CopyToGpuNonblocking</a>(cmdBuf);</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> }</div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> </div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> </div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="comment">// Copying of buffer content</span></div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> </div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ac0decc8423c922f9e15f4e805abec4a7"> 1001</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ac0decc8423c922f9e15f4e805abec4a7">CopyToCpu</a>()</div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> {</div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> assert(std::is_trivially_copyable<T>::value);</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> </div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> std::lock_guard<std::mutex> lock(<a class="code hl_variable" href="group__vksupport.html#ga5ce9839b056cc290f6064e10f4a70ce8">g_vkTransferMutex</a>);</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> </div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="comment">//Make the transfer request</span></div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->begin({});</div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> vk::BufferCopy region(0, 0, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->copyBuffer(**<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, **<a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a>, {region});</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->end();</div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> </div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> <span class="comment">//Submit the request and block until it completes</span></div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <a class="code hl_variable" href="group__vksupport.html#gabd2ceb9b89b40431159e2a081352647f">g_vkTransferQueue</a>->SubmitAndBlock(*<a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>);</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> </div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> }</div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> </div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a017d6c1fd953cf4ff891c519e33d99a9"> 1022</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a017d6c1fd953cf4ff891c519e33d99a9">CopyToGpu</a>()</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> {</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> assert(std::is_trivially_copyable<T>::value);</div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> </div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> std::lock_guard<std::mutex> lock(<a class="code hl_variable" href="group__vksupport.html#ga5ce9839b056cc290f6064e10f4a70ce8">g_vkTransferMutex</a>);</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> </div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="comment">//Make the transfer request</span></div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->begin({});</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> vk::BufferCopy region(0, 0, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->copyBuffer(**<a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a>, **<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, {region});</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>->end();</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> </div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> <span class="comment">//Submit the request and block until it completes</span></div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> <a class="code hl_variable" href="group__vksupport.html#gabd2ceb9b89b40431159e2a081352647f">g_vkTransferQueue</a>->SubmitAndBlock(*<a class="code hl_variable" href="group__vksupport.html#gaa112df5e5ac07738551aaf117d49130a">g_vkTransferCommandBuffer</a>);</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> </div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> }</div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> </div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> </div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#ab600af784be39811df9e2d653d3a8d2b"> 1046</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ab600af784be39811df9e2d653d3a8d2b">CopyToGpuNonblocking</a>(vk::raii::CommandBuffer& cmdBuf)</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> {</div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> assert(std::is_trivially_copyable<T>::value);</div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> </div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="comment">//Make the transfer request</span></div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> vk::BufferCopy region(0, 0, <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> * <span class="keyword">sizeof</span>(T));</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> cmdBuf.copyBuffer(**<a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a>, **<a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a>, {region});</div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> </div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> <span class="comment">//Add the barrier</span></div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> cmdBuf.pipelineBarrier(</div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> vk::PipelineStageFlagBits::eTransfer,</div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> vk::PipelineStageFlagBits::eComputeShader,</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> {},</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> vk::MemoryBarrier(</div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> vk::AccessFlagBits::eTransferWrite,</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> vk::AccessFlagBits::eShaderRead | vk::AccessFlagBits::eShaderWrite),</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> {},</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> {});</div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> </div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> }</div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#a421bcb08de8ef387f01bbb689acdfb94"> 1071</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a421bcb08de8ef387f01bbb689acdfb94">HostToDeviceTransferMemoryBarrier</a>(vk::raii::CommandBuffer& cmdBuf)</div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> {</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> cmdBuf.pipelineBarrier(</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> vk::PipelineStageFlagBits::eTransfer,</div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> vk::PipelineStageFlagBits::eComputeShader,</div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> {},</div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> vk::MemoryBarrier(</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> vk::AccessFlagBits::eTransferWrite,</div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> vk::AccessFlagBits::eShaderRead | vk::AccessFlagBits::eShaderWrite),</div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> {},</div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> {});</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> }</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> </div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> </div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> </div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> <span class="comment">// Cleanup</span></div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> </div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#aa8f2f7bab4ec4c135996eeab26108de0"> 1093</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#aa8f2f7bab4ec4c135996eeab26108de0">FreeCpuBuffer</a>()</div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> {</div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> <span class="comment">//Early out if buffer is already null</span></div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a> == <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> </div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="comment">//We have a buffer on the GPU.</span></div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="comment">//If it's stale, need to push our updated content there before freeing the CPU-side copy</span></div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> != MEM_TYPE_NULL) && <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> && !<a class="code hl_function" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4">empty</a>())</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <a class="code hl_function" href="classAcceleratorBuffer.html#a017d6c1fd953cf4ff891c519e33d99a9">CopyToGpu</a>();</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> </div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> <span class="comment">//Free the Vulkan buffer object</span></div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a8f104fc0890165ae3f0880bdd4c6f3ea">m_cpuBuffer</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> </div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> <span class="comment">//Free the buffer and unmap any memory</span></div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> FreeCpuPointer(<a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a>, <a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a>, <a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a>, <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a>);</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> </div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> <span class="comment">//Mark CPU-side buffer as empty</span></div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a082c3fe1eb63ad30554aa7e7a13fafc2">m_cpuPtr</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a1e2b64231575d6c45a1b822f21f0ac40">m_cpuPhysMem</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> = MEM_TYPE_NULL;</div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a68e4f2aa89055bb094236b4673df5d00">m_buffersAreSame</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> </div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> <span class="comment">//If we have no GPU-side buffer either, we're empty</span></div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> == MEM_TYPE_NULL)</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> {</div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a23c5af7b9d1e1359dc84ef91b03481d9">m_size</a> = 0;</div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#abf997178641a099ebe746ecb80df4468">m_capacity</a> = 0;</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> }</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> }</div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> </div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190"> 1131</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classAcceleratorBuffer.html#abf99d2be1334deb323207e342d2a6190">FreeGpuBuffer</a>(<span class="keywordtype">bool</span> dataLossOK = <span class="keyword">false</span>)</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> {</div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> <span class="comment">//Early out if buffer is already null</span></div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> <span class="keywordflow">if</span>(<a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> == <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> </div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> <span class="comment">//If we do NOT have a CPU-side buffer, we're deleting all of our data! Warn for now</span></div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> == MEM_TYPE_NULL) && <a class="code hl_variable" href="classAcceleratorBuffer.html#a49dd10e53eab69ee4b24e667025e80ef">m_gpuPhysMemIsStale</a> && !<a class="code hl_function" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4">empty</a>() && !dataLossOK)</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> {</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> LogWarning(<span class="stringliteral">"Freeing a GPU buffer without any CPU backing, may cause data loss\n"</span>);</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> }</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> <span class="comment">//If we have a CPU-side buffer, and it's stale, move our about-to-be-deleted content over before we free it</span></div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> <span class="keywordflow">if</span>( (<a class="code hl_variable" href="classAcceleratorBuffer.html#a87e38e3919e30719422fb7a05051cce1">m_cpuMemoryType</a> != MEM_TYPE_NULL) && <a class="code hl_variable" href="classAcceleratorBuffer.html#ac8025a0d9e3b6f4fd29ccdfa8e5a0a5d">m_cpuPhysMemIsStale</a> && !<a class="code hl_function" href="classAcceleratorBuffer.html#a066907af139322815b19acd656fa14f4">empty</a>() )</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> <a class="code hl_function" href="classAcceleratorBuffer.html#ac0decc8423c922f9e15f4e805abec4a7">CopyToCpu</a>();</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> </div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a062c1660134062ab87baab3bfd34fded">m_gpuBuffer</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a3a10082e833defc90c81a997e25c60a7">m_gpuPhysMem</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <a class="code hl_variable" href="classAcceleratorBuffer.html#a9273ea9486a1454cff61f6700abd0f67">m_gpuMemoryType</a> = MEM_TYPE_NULL;</div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> }</div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> </div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> </div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> <span class="comment">// Allocation</span></div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> </div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"><a class="line" href="classAcceleratorBuffer.html#adafd452d50093101d6a02eeb783aadd1"> 1160</a></span> <a class="code hl_function" href="classAcceleratorBuffer.html#adafd452d50093101d6a02eeb783aadd1">__attribute__</a>((noinline))</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> <span class="keywordtype">void</span> AllocateCpuBuffer(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> {</div>