-
-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
GS.cpp
1432 lines (1220 loc) · 38.2 KB
/
GS.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2021 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "GS/Window/GSwxDialog.h"
#include "GS.h"
#include "GSUtil.h"
#include "GS_types.h"
#include "Renderers/SW/GSRendererSW.h"
#include "Renderers/Null/GSRendererNull.h"
#include "Renderers/Null/GSDeviceNull.h"
#include "Renderers/OpenGL/GSDeviceOGL.h"
#include "Renderers/OpenGL/GSRendererOGL.h"
#include "GSLzma.h"
#include "common/pxStreams.h"
#include "pcsx2/Config.h"
#ifdef _WIN32
#include "Renderers/DX11/GSRendererDX11.h"
#include "Renderers/DX11/GSDevice11.h"
#include "GS/Renderers/DX11/D3D.h"
static HRESULT s_hr = E_FAIL;
#endif
#include <fstream>
// do NOT undefine this/put it above includes, as x11 people love to redefine
// things that make obscure compiler bugs, unless you want to run around and
// debug obscure compiler errors --govanify
#undef None
static GSRenderer* s_gs = NULL;
static u8* s_basemem = NULL;
static int s_vsync = 0;
static bool s_exclusive = true;
static std::string s_renderer_name;
bool gsopen_done = false; // crash guard for GSgetTitleInfo2 and GSKeyEvent (replace with lock?)
#ifndef PCSX2_CORE
static std::atomic_bool s_gs_window_resized{false};
static std::mutex s_gs_window_resized_lock;
static int s_new_gs_window_width = 0;
static int s_new_gs_window_height = 0;
#endif
void GSsetBaseMem(u8* mem)
{
s_basemem = mem;
if (s_gs)
{
s_gs->SetRegsMem(s_basemem);
}
}
int GSinit()
{
if (!GSUtil::CheckSSE())
{
return -1;
}
// Vector instructions must be avoided when initialising GS since PCSX2
// can crash if the CPU does not support the instruction set.
// Initialise it here instead - it's not ideal since we have to strip the
// const type qualifier from all the affected variables.
theApp.SetConfigDir();
theApp.Init();
GSUtil::Init();
if (g_const == nullptr)
return -1;
else
g_const->Init();
#ifdef _WIN32
s_hr = ::CoInitializeEx(NULL, COINIT_MULTITHREADED);
#endif
return 0;
}
void GSshutdown()
{
gsopen_done = false;
delete s_gs;
s_gs = nullptr;
theApp.SetCurrentRendererType(GSRendererType::Undefined);
#ifdef _WIN32
if (SUCCEEDED(s_hr))
{
::CoUninitialize();
s_hr = E_FAIL;
}
#endif
}
void GSclose()
{
gsopen_done = false;
#ifndef PCSX2_CORE
// Make sure we don't have any leftover resize events from our last open.
s_gs_window_resized.store(false);
#endif
if (s_gs == NULL)
return;
s_gs->ResetDevice();
// Opengl requirement: It must be done before the Detach() of
// the context
delete s_gs->m_dev;
s_gs->m_dev = NULL;
}
int _GSopen(const WindowInfo& wi, const char* title, GSRendererType renderer, int threads = -1)
{
GSDevice* dev = NULL;
// Fresh start up or config file changed
if (renderer == GSRendererType::Undefined)
{
renderer = static_cast<GSRendererType>(theApp.GetConfigI("Renderer"));
#ifdef _WIN32
if (renderer == GSRendererType::Default)
{
if (D3D::ShouldPreferD3D())
renderer = GSRendererType::DX1011_HW;
else
renderer = GSRendererType::OGL_HW;
}
#endif
}
if (threads == -1)
{
threads = theApp.GetConfigI("extrathreads");
}
try
{
if (theApp.GetCurrentRendererType() != renderer)
{
// Emulator has made a render change request, which requires a completely
// new s_gs -- if the emu doesn't save/restore the GS state across this
// GSopen call then they'll get corrupted graphics, but that's not my problem.
delete s_gs;
s_gs = NULL;
theApp.SetCurrentRendererType(renderer);
}
std::string renderer_name;
switch (renderer)
{
default:
#ifdef _WIN32
case GSRendererType::DX1011_HW:
dev = new GSDevice11();
s_renderer_name = "D3D11";
renderer_name = "Direct3D 11";
break;
#endif
case GSRendererType::OGL_HW:
dev = new GSDeviceOGL();
s_renderer_name = "OGL";
renderer_name = "OpenGL";
break;
case GSRendererType::OGL_SW:
dev = new GSDeviceOGL();
s_renderer_name = "SW";
renderer_name = "Software";
break;
case GSRendererType::Null:
dev = new GSDeviceNull();
s_renderer_name = "NULL";
renderer_name = "Null";
break;
}
printf("Current Renderer: %s\n", renderer_name.c_str());
if (dev == NULL)
{
return -1;
}
if (s_gs == NULL)
{
switch (renderer)
{
default:
#ifdef _WIN32
case GSRendererType::DX1011_HW:
s_gs = (GSRenderer*)new GSRendererDX11();
break;
#endif
case GSRendererType::OGL_HW:
s_gs = (GSRenderer*)new GSRendererOGL();
break;
case GSRendererType::OGL_SW:
s_gs = new GSRendererSW(threads);
break;
case GSRendererType::Null:
s_gs = new GSRendererNull();
break;
}
if (s_gs == NULL)
return -1;
}
}
catch (std::exception& ex)
{
printf("GS error: Exception caught in GSopen: %s", ex.what());
return -1;
}
s_gs->SetRegsMem(s_basemem);
s_gs->SetVSync(s_vsync);
if (!s_gs->CreateDevice(dev, wi))
{
// This probably means the user has DX11 configured with a video card that is only DX9
// compliant. Cound mean drivr issues of some sort also, but to be sure, that's the most
// common cause of device creation errors. :) --air
GSclose();
return -1;
}
if (renderer == GSRendererType::OGL_HW && theApp.GetConfigI("debug_glsl_shader") == 2)
{
printf("GS: test OpenGL shader. Please wait...\n\n");
static_cast<GSDeviceOGL*>(s_gs->m_dev)->SelfShaderTest();
printf("\nGS: test OpenGL shader done. It will now exit\n");
return -1;
}
return 0;
}
void GSosdLog(const char* utf8, u32 color)
{
if (s_gs && s_gs->m_dev)
s_gs->m_dev->m_osd.Log(utf8);
}
void GSosdMonitor(const char* key, const char* value, u32 color)
{
if (s_gs && s_gs->m_dev)
s_gs->m_dev->m_osd.Monitor(key, value);
}
int GSopen2(const WindowInfo& wi, u32 flags)
{
static bool stored_toggle_state = false;
const bool toggle_state = !!(flags & 4);
GSRendererType current_renderer = static_cast<GSRendererType>(flags >> 24);
if (current_renderer == GSRendererType::NO_RENDERER)
current_renderer = theApp.GetCurrentRendererType();
if (current_renderer != GSRendererType::Undefined && stored_toggle_state != toggle_state)
{
// SW -> HW and HW -> SW (F9 Switch)
switch (current_renderer)
{
#ifdef _WIN32
case GSRendererType::DX1011_HW:
current_renderer = GSRendererType::OGL_SW;
break;
#endif
case GSRendererType::OGL_SW:
#ifdef _WIN32
{
const auto config_renderer = static_cast<GSRendererType>(theApp.GetConfigI("Renderer"));
if (current_renderer == config_renderer)
{
if (D3D::ShouldPreferD3D())
current_renderer = GSRendererType::DX1011_HW;
else
current_renderer = GSRendererType::OGL_HW;
}
else
current_renderer = config_renderer;
}
#else
current_renderer = GSRendererType::OGL_HW;
#endif
break;
case GSRendererType::OGL_HW:
current_renderer = GSRendererType::OGL_SW;
break;
default:
current_renderer = GSRendererType::OGL_SW;
break;
}
}
stored_toggle_state = toggle_state;
int retval = _GSopen(wi, "", current_renderer);
gsopen_done = true;
return retval;
}
void GSreset()
{
try
{
s_gs->Reset();
}
catch (GSRecoverableError)
{
}
}
void GSgifSoftReset(u32 mask)
{
try
{
s_gs->SoftReset(mask);
}
catch (GSRecoverableError)
{
}
}
void GSwriteCSR(u32 csr)
{
try
{
s_gs->WriteCSR(csr);
}
catch (GSRecoverableError)
{
}
}
void GSinitReadFIFO(u8* mem)
{
GL_PERF("Init Read FIFO1");
try
{
s_gs->InitReadFIFO(mem, 1);
}
catch (GSRecoverableError)
{
}
catch (const std::bad_alloc&)
{
fprintf(stderr, "GS: Memory allocation error\n");
}
}
void GSreadFIFO(u8* mem)
{
try
{
s_gs->ReadFIFO(mem, 1);
}
catch (GSRecoverableError)
{
}
catch (const std::bad_alloc&)
{
fprintf(stderr, "GS: Memory allocation error\n");
}
}
void GSinitReadFIFO2(u8* mem, u32 size)
{
GL_PERF("Init Read FIFO2");
try
{
s_gs->InitReadFIFO(mem, size);
}
catch (GSRecoverableError)
{
}
catch (const std::bad_alloc&)
{
fprintf(stderr, "GS: Memory allocation error\n");
}
}
void GSreadFIFO2(u8* mem, u32 size)
{
try
{
s_gs->ReadFIFO(mem, size);
}
catch (GSRecoverableError)
{
}
catch (const std::bad_alloc&)
{
fprintf(stderr, "GS: Memory allocation error\n");
}
}
void GSgifTransfer(const u8* mem, u32 size)
{
try
{
s_gs->Transfer<3>(mem, size);
}
catch (GSRecoverableError)
{
}
}
void GSgifTransfer1(u8* mem, u32 addr)
{
try
{
s_gs->Transfer<0>(const_cast<u8*>(mem) + addr, (0x4000 - addr) / 16);
}
catch (GSRecoverableError)
{
}
}
void GSgifTransfer2(u8* mem, u32 size)
{
try
{
s_gs->Transfer<1>(const_cast<u8*>(mem), size);
}
catch (GSRecoverableError)
{
}
}
void GSgifTransfer3(u8* mem, u32 size)
{
try
{
s_gs->Transfer<2>(const_cast<u8*>(mem), size);
}
catch (GSRecoverableError)
{
}
}
void GSvsync(int field)
{
try
{
s_gs->VSync(field);
}
catch (GSRecoverableError)
{
}
catch (const std::bad_alloc&)
{
fprintf(stderr, "GS: Memory allocation error\n");
}
}
u32 GSmakeSnapshot(char* path)
{
try
{
std::string s{path};
if (!s.empty())
{
// Allows for providing a complete path
std::string extension = s.substr(s.size() - 4, 4);
#ifdef _WIN32
std::transform(extension.begin(), extension.end(), extension.begin(), (char(_cdecl*)(int))tolower);
#else
std::transform(extension.begin(), extension.end(), extension.begin(), tolower);
#endif
if (extension == ".png")
return s_gs->MakeSnapshot(s);
else if (s[s.length() - 1] != DIRECTORY_SEPARATOR)
s = s + DIRECTORY_SEPARATOR;
}
return s_gs->MakeSnapshot(s + "gs");
}
catch (GSRecoverableError)
{
return false;
}
}
void GSkeyEvent(const HostKeyEvent& e)
{
try
{
if (gsopen_done)
{
s_gs->KeyEvent(e);
}
}
catch (GSRecoverableError)
{
}
}
int GSfreeze(FreezeAction mode, freezeData* data)
{
try
{
if (mode == FreezeAction::Save)
{
return s_gs->Freeze(data, false);
}
else if (mode == FreezeAction::Size)
{
return s_gs->Freeze(data, true);
}
else if (mode == FreezeAction::Load)
{
return s_gs->Defrost(data);
}
}
catch (GSRecoverableError)
{
}
return 0;
}
void GSconfigure()
{
try
{
if (!GSUtil::CheckSSE())
return;
theApp.SetConfigDir();
theApp.Init();
if (RunwxDialog())
{
theApp.ReloadConfig();
// Force a reload of the gs state
theApp.SetCurrentRendererType(GSRendererType::Undefined);
}
}
catch (GSRecoverableError)
{
}
}
int GStest()
{
if (!GSUtil::CheckSSE())
return -1;
return 0;
}
void pt(const char* str)
{
struct tm* current;
time_t now;
time(&now);
current = localtime(&now);
printf("%02i:%02i:%02i%s", current->tm_hour, current->tm_min, current->tm_sec, str);
}
bool GSsetupRecording(std::string& filename)
{
if (s_gs == NULL)
{
printf("GS: no s_gs for recording\n");
return false;
}
#if defined(__unix__) || defined(__APPLE__)
if (!theApp.GetConfigB("capture_enabled"))
{
printf("GS: Recording is disabled\n");
return false;
}
#endif
printf("GS: Recording start command\n");
if (s_gs->BeginCapture(filename))
{
pt(" - Capture started\n");
return true;
}
else
{
pt(" - Capture cancelled\n");
return false;
}
}
void GSendRecording()
{
printf("GS: Recording end command\n");
s_gs->EndCapture();
pt(" - Capture ended\n");
}
void GSsetGameCRC(u32 crc, int options)
{
s_gs->SetGameCRC(crc, options);
}
void GSgetTitleInfo2(char* dest, size_t length)
{
std::string s;
s.append(s_renderer_name);
// TODO: this gets called from a different thread concurrently with GSOpen (on linux)
if (gsopen_done && s_gs != NULL && s_gs->m_GStitleInfoBuffer[0])
{
std::lock_guard<std::mutex> lock(s_gs->m_pGSsetTitle_Crit);
s.append(" | ").append(s_gs->m_GStitleInfoBuffer);
if (s.size() > length - 1)
{
s = s.substr(0, length - 1);
}
}
strcpy(dest, s.c_str());
}
void GSsetFrameSkip(int frameskip)
{
s_gs->SetFrameSkip(frameskip);
}
void GSsetVsync(int vsync)
{
s_vsync = vsync;
if (s_gs)
{
s_gs->SetVSync(s_vsync);
}
}
void GSsetExclusive(int enabled)
{
s_exclusive = !!enabled;
if (s_gs)
{
s_gs->SetVSync(s_vsync);
}
}
#ifndef PCSX2_CORE
void GSResizeWindow(int width, int height)
{
std::unique_lock lock(s_gs_window_resized_lock);
s_new_gs_window_width = width;
s_new_gs_window_height = height;
s_gs_window_resized.store(true);
}
bool GSCheckForWindowResize(int* new_width, int* new_height)
{
if (!s_gs_window_resized.load())
return false;
std::unique_lock lock(s_gs_window_resized_lock);
*new_width = s_new_gs_window_width;
*new_height = s_new_gs_window_height;
s_gs_window_resized.store(false);
return true;
}
#endif
std::string format(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
int size = vsnprintf(nullptr, 0, fmt, args) + 1;
va_end(args);
assert(size > 0);
std::vector<char> buffer(std::max(1, size));
va_start(args, fmt);
vsnprintf(buffer.data(), size, fmt, args);
va_end(args);
return {buffer.data()};
}
// Helper path to dump texture
#ifdef _WIN32
const std::string root_sw("c:\\temp1\\_");
const std::string root_hw("c:\\temp2\\_");
#else
#ifdef _M_AMD64
const std::string root_sw("/tmp/GS_SW_dump64/");
const std::string root_hw("/tmp/GS_HW_dump64/");
#else
const std::string root_sw("/tmp/GS_SW_dump32/");
const std::string root_hw("/tmp/GS_HW_dump32/");
#endif
#endif
#ifdef _WIN32
void* vmalloc(size_t size, bool code)
{
return VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, code ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE);
}
void vmfree(void* ptr, size_t size)
{
VirtualFree(ptr, 0, MEM_RELEASE);
}
static HANDLE s_fh = NULL;
static u8* s_Next[8];
void* fifo_alloc(size_t size, size_t repeat)
{
ASSERT(s_fh == NULL);
if (repeat >= std::size(s_Next))
{
fprintf(stderr, "Memory mapping overflow (%zu >= %u)\n", repeat, static_cast<unsigned>(std::size(s_Next)));
return vmalloc(size * repeat, false); // Fallback to default vmalloc
}
s_fh = CreateFileMapping(INVALID_HANDLE_VALUE, nullptr, PAGE_READWRITE, 0, size, nullptr);
DWORD errorID = ::GetLastError();
if (s_fh == NULL)
{
fprintf(stderr, "Failed to reserve memory. WIN API ERROR:%u\n", errorID);
return vmalloc(size * repeat, false); // Fallback to default vmalloc
}
int mmap_segment_failed = 0;
void* fifo = MapViewOfFile(s_fh, FILE_MAP_ALL_ACCESS, 0, 0, size);
for (size_t i = 1; i < repeat; i++)
{
void* base = (u8*)fifo + size * i;
s_Next[i] = (u8*)MapViewOfFileEx(s_fh, FILE_MAP_ALL_ACCESS, 0, 0, size, base);
errorID = ::GetLastError();
if (s_Next[i] != base)
{
mmap_segment_failed++;
if (mmap_segment_failed > 4)
{
fprintf(stderr, "Memory mapping failed after %d attempts, aborting. WIN API ERROR:%u\n", mmap_segment_failed, errorID);
fifo_free(fifo, size, repeat);
return vmalloc(size * repeat, false); // Fallback to default vmalloc
}
do
{
UnmapViewOfFile(s_Next[i]);
s_Next[i] = 0;
} while (--i > 0);
fifo = MapViewOfFile(s_fh, FILE_MAP_ALL_ACCESS, 0, 0, size);
}
}
return fifo;
}
void fifo_free(void* ptr, size_t size, size_t repeat)
{
ASSERT(s_fh != NULL);
if (s_fh == NULL)
{
if (ptr != NULL)
vmfree(ptr, size);
return;
}
UnmapViewOfFile(ptr);
for (size_t i = 1; i < std::size(s_Next); i++)
{
if (s_Next[i] != 0)
{
UnmapViewOfFile(s_Next[i]);
s_Next[i] = 0;
}
}
CloseHandle(s_fh);
s_fh = NULL;
}
#else
#include <sys/mman.h>
#include <unistd.h>
void* vmalloc(size_t size, bool code)
{
size_t mask = getpagesize() - 1;
size = (size + mask) & ~mask;
int prot = PROT_READ | PROT_WRITE;
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
if (code)
{
prot |= PROT_EXEC;
#if defined(_M_AMD64) && !defined(__APPLE__)
// macOS doesn't allow any mappings in the first 4GB of address space
flags |= MAP_32BIT;
#endif
}
return mmap(NULL, size, prot, flags, -1, 0);
}
void vmfree(void* ptr, size_t size)
{
size_t mask = getpagesize() - 1;
size = (size + mask) & ~mask;
munmap(ptr, size);
}
static int s_shm_fd = -1;
void* fifo_alloc(size_t size, size_t repeat)
{
ASSERT(s_shm_fd == -1);
const char* file_name = "/GS.mem";
s_shm_fd = shm_open(file_name, O_RDWR | O_CREAT | O_EXCL, 0600);
if (s_shm_fd != -1)
{
shm_unlink(file_name); // file is deleted but descriptor is still open
}
else
{
fprintf(stderr, "Failed to open %s due to %s\n", file_name, strerror(errno));
return nullptr;
}
if (ftruncate(s_shm_fd, repeat * size) < 0)
fprintf(stderr, "Failed to reserve memory due to %s\n", strerror(errno));
void* fifo = mmap(nullptr, size * repeat, PROT_READ | PROT_WRITE, MAP_SHARED, s_shm_fd, 0);
for (size_t i = 1; i < repeat; i++)
{
void* base = (u8*)fifo + size * i;
u8* next = (u8*)mmap(base, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, s_shm_fd, 0);
if (next != base)
fprintf(stderr, "Fail to mmap contiguous segment\n");
}
return fifo;
}
void fifo_free(void* ptr, size_t size, size_t repeat)
{
ASSERT(s_shm_fd >= 0);
if (s_shm_fd < 0)
return;
munmap(ptr, size * repeat);
close(s_shm_fd);
s_shm_fd = -1;
}
#endif
static void* s_hModule;
#ifdef _WIN32
bool GSApp::LoadResource(int id, std::vector<char>& buff, const wchar_t* type)
{
buff.clear();
HRSRC hRsrc = FindResource((HMODULE)s_hModule, MAKEINTRESOURCE(id), type != NULL ? type : (LPWSTR)RT_RCDATA);
if (!hRsrc)
return false;
HGLOBAL hGlobal = ::LoadResource((HMODULE)s_hModule, hRsrc);
if (!hGlobal)
return false;
DWORD size = SizeofResource((HMODULE)s_hModule, hRsrc);
if (!size)
return false;
// On Linux resources are always NULL terminated
// Add + 1 on size to do the same for compatibility sake (required by GSDeviceOGL)
buff.resize(size + 1);
memcpy(buff.data(), LockResource(hGlobal), size);
return true;
}
#else
#include "GS_res.h"
bool GSApp::LoadResource(int id, std::vector<char>& buff, const char* type)
{
std::string path;
switch (id)
{
case IDR_COMMON_GLSL:
path = "/GS/res/glsl/common_header.glsl";
break;
case IDR_CONVERT_GLSL:
path = "/GS/res/glsl/convert.glsl";
break;
case IDR_FXAA_FX:
path = "/GS/res/fxaa.fx";
break;
case IDR_INTERLACE_GLSL:
path = "/GS/res/glsl/interlace.glsl";
break;
case IDR_MERGE_GLSL:
path = "/GS/res/glsl/merge.glsl";
break;
case IDR_SHADEBOOST_GLSL:
path = "/GS/res/glsl/shadeboost.glsl";
break;
case IDR_TFX_VGS_GLSL:
path = "/GS/res/glsl/tfx_vgs.glsl";
break;
case IDR_TFX_FS_GLSL:
path = "/GS/res/glsl/tfx_fs.glsl";
break;
case IDR_FONT_ROBOTO:
path = "/GS/res/fonts-roboto/Roboto-Regular.ttf";
break;
default:
printf("LoadResource not implemented for id %d\n", id);
return false;
}
GBytes* bytes = g_resource_lookup_data(GS_res_get_resource(), path.c_str(), G_RESOURCE_LOOKUP_FLAGS_NONE, nullptr);
size_t size = 0;
const void* data = g_bytes_get_data(bytes, &size);
if (data == nullptr || size == 0)
{
printf("Failed to get data for resource: %d\n", id);
return false;
}
buff.clear();
buff.resize(size + 1);
memcpy(buff.data(), data, size + 1);
g_bytes_unref(bytes);
return true;
}
#endif
size_t GSApp::GetIniString(const char* lpAppName, const char* lpKeyName, const char* lpDefault, char* lpReturnedString, size_t nSize, const char* lpFileName)
{
BuildConfigurationMap(lpFileName);
std::string key(lpKeyName);
std::string value = m_configuration_map[key];
if (value.empty())