/
Render.cpp
1753 lines (1527 loc) · 56 KB
/
Render.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
// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <cinttypes>
#include <cmath>
#include <cstdio>
#include <memory>
#include <string>
#include <vector>
#include "Common/Atomic.h"
#include "Common/CommonPaths.h"
#include "Common/FileUtil.h"
#include "Common/MathUtil.h"
#include "Common/StringUtil.h"
#include "Common/Thread.h"
#include "Common/Timer.h"
#include "Common/GL/GLInterfaceBase.h"
#include "Common/GL/GLUtil.h"
#include "Common/Logging/LogManager.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "VideoBackends/OGL/BoundingBox.h"
#include "VideoBackends/OGL/FramebufferManager.h"
#include "VideoBackends/OGL/main.h"
#include "VideoBackends/OGL/PostProcessing.h"
#include "VideoBackends/OGL/ProgramShaderCache.h"
#include "VideoBackends/OGL/RasterFont.h"
#include "VideoBackends/OGL/Render.h"
#include "VideoBackends/OGL/SamplerCache.h"
#include "VideoBackends/OGL/StreamBuffer.h"
#include "VideoBackends/OGL/TextureCache.h"
#include "VideoBackends/OGL/TextureConverter.h"
#include "VideoBackends/OGL/VertexManager.h"
#include "VideoCommon/BPFunctions.h"
#include "VideoCommon/BPStructs.h"
#include "VideoCommon/DriverDetails.h"
#include "VideoCommon/Fifo.h"
#include "VideoCommon/ImageWrite.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/PixelEngine.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexShaderGen.h"
#include "VideoCommon/VertexShaderManager.h"
#include "VideoCommon/VideoConfig.h"
#if defined _WIN32 || defined HAVE_LIBAV
#include "VideoCommon/AVIDump.h"
#endif
void VideoConfig::UpdateProjectionHack()
{
::UpdateProjectionHack(g_Config.iPhackvalue, g_Config.sPhackvalue);
}
static int OSDInternalW, OSDInternalH;
namespace OGL
{
VideoConfig g_ogl_config;
// Declarations and definitions
// ----------------------------
static RasterFont* s_pfont = nullptr;
// 1 for no MSAA. Use s_MSAASamples > 1 to check for MSAA.
static int s_MSAASamples = 1;
static int s_last_multisamples = 1;
static bool s_last_stereo_mode = false;
static bool s_last_xfb_mode = false;
static u32 s_blendMode;
static bool s_vsync;
// EFB cache related
static const u32 EFB_CACHE_RECT_SIZE = 64; // Cache 64x64 blocks.
static const u32 EFB_CACHE_WIDTH = (EFB_WIDTH + EFB_CACHE_RECT_SIZE - 1) / EFB_CACHE_RECT_SIZE; // round up
static const u32 EFB_CACHE_HEIGHT = (EFB_HEIGHT + EFB_CACHE_RECT_SIZE - 1) / EFB_CACHE_RECT_SIZE;
static bool s_efbCacheValid[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT];
static bool s_efbCacheIsCleared = false;
static std::vector<u32> s_efbCache[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT]; // 2 for PEEK_Z and PEEK_COLOR
static void GLAPIENTRY ErrorCallback( GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char* message, const void* userParam)
{
const char *s_source;
const char *s_type;
switch (source)
{
case GL_DEBUG_SOURCE_API_ARB: s_source = "API"; break;
case GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB: s_source = "Window System"; break;
case GL_DEBUG_SOURCE_SHADER_COMPILER_ARB: s_source = "Shader Compiler"; break;
case GL_DEBUG_SOURCE_THIRD_PARTY_ARB: s_source = "Third Party"; break;
case GL_DEBUG_SOURCE_APPLICATION_ARB: s_source = "Application"; break;
case GL_DEBUG_SOURCE_OTHER_ARB: s_source = "Other"; break;
default: s_source = "Unknown"; break;
}
switch (type)
{
case GL_DEBUG_TYPE_ERROR_ARB: s_type = "Error"; break;
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: s_type = "Deprecated"; break;
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: s_type = "Undefined"; break;
case GL_DEBUG_TYPE_PORTABILITY_ARB: s_type = "Portability"; break;
case GL_DEBUG_TYPE_PERFORMANCE_ARB: s_type = "Performance"; break;
case GL_DEBUG_TYPE_OTHER_ARB: s_type = "Other"; break;
default: s_type = "Unknown"; break;
}
switch (severity)
{
case GL_DEBUG_SEVERITY_HIGH_ARB: ERROR_LOG(HOST_GPU, "id: %x, source: %s, type: %s - %s", id, s_source, s_type, message); break;
case GL_DEBUG_SEVERITY_MEDIUM_ARB: WARN_LOG(HOST_GPU, "id: %x, source: %s, type: %s - %s", id, s_source, s_type, message); break;
case GL_DEBUG_SEVERITY_LOW_ARB: WARN_LOG(HOST_GPU, "id: %x, source: %s, type: %s - %s", id, s_source, s_type, message); break;
case GL_DEBUG_SEVERITY_NOTIFICATION: DEBUG_LOG(HOST_GPU, "id: %x, source: %s, type: %s - %s", id, s_source, s_type, message); break;
default: ERROR_LOG(HOST_GPU, "id: %x, source: %s, type: %s - %s", id, s_source, s_type, message); break;
}
}
// Two small Fallbacks to avoid GL_ARB_ES2_compatibility
static void GLAPIENTRY DepthRangef(GLfloat neardepth, GLfloat fardepth)
{
glDepthRange(neardepth, fardepth);
}
static void GLAPIENTRY ClearDepthf(GLfloat depthval)
{
glClearDepth(depthval);
}
static void InitDriverInfo()
{
std::string svendor = std::string(g_ogl_config.gl_vendor);
std::string srenderer = std::string(g_ogl_config.gl_renderer);
std::string sversion = std::string(g_ogl_config.gl_version);
DriverDetails::Vendor vendor = DriverDetails::VENDOR_UNKNOWN;
DriverDetails::Driver driver = DriverDetails::DRIVER_UNKNOWN;
double version = 0.0;
u32 family = 0;
// Get the vendor first
if (svendor == "NVIDIA Corporation" && srenderer != "NVIDIA Tegra")
{
vendor = DriverDetails::VENDOR_NVIDIA;
}
else if (svendor == "ATI Technologies Inc." || svendor == "Advanced Micro Devices, Inc.")
{
vendor = DriverDetails::VENDOR_ATI;
}
else if (std::string::npos != sversion.find("Mesa"))
{
vendor = DriverDetails::VENDOR_MESA;
}
else if (std::string::npos != svendor.find("Intel"))
{
vendor = DriverDetails::VENDOR_INTEL;
}
else if (svendor == "ARM")
{
vendor = DriverDetails::VENDOR_ARM;
}
else if (svendor == "http://limadriver.org/")
{
vendor = DriverDetails::VENDOR_ARM;
driver = DriverDetails::DRIVER_LIMA;
}
else if (svendor == "Qualcomm")
{
vendor = DriverDetails::VENDOR_QUALCOMM;
}
else if (svendor == "Imagination Technologies")
{
vendor = DriverDetails::VENDOR_IMGTEC;
}
else if (svendor == "NVIDIA Corporation" && srenderer == "NVIDIA Tegra")
{
vendor = DriverDetails::VENDOR_TEGRA;
}
else if (svendor == "Vivante Corporation")
{
vendor = DriverDetails::VENDOR_VIVANTE;
}
// Get device family and driver version...if we care about it
switch (vendor)
{
case DriverDetails::VENDOR_QUALCOMM:
{
driver = DriverDetails::DRIVER_QUALCOMM;
double glVersion;
sscanf(g_ogl_config.gl_version, "OpenGL ES %lg V@%lg", &glVersion, &version);
}
break;
case DriverDetails::VENDOR_ARM:
// Currently the Mali-T line has two families in it.
// Mali-T6xx and Mali-T7xx
// These two families are similar enough that they share bugs in their drivers.
//
// Mali drivers provide no way to explicitly find out what video driver is running.
// This is similar to how we can't find the Nvidia driver version in Windows.
// Good thing is that ARM introduces a new video driver about once every two years so we can
// find the driver version by the features it exposes.
// r2p0 - No OpenGL ES 3.0 support (We don't support this)
// r3p0 - OpenGL ES 3.0 support
// r4p0 - Supports 'GL_EXT_shader_pixel_local_storage' extension.
driver = DriverDetails::DRIVER_ARM;
if (GLExtensions::Supports("GL_EXT_shader_pixel_local_storage"))
version = 400;
else
version = 300;
break;
case DriverDetails::VENDOR_MESA:
{
if (svendor == "nouveau")
driver = DriverDetails::DRIVER_NOUVEAU;
else if (svendor == "Intel Open Source Technology Center")
driver = DriverDetails::DRIVER_I965;
else if (std::string::npos != srenderer.find("AMD") || std::string::npos != srenderer.find("ATI"))
driver = DriverDetails::DRIVER_R600;
int major = 0;
int minor = 0;
int release = 0;
sscanf(g_ogl_config.gl_version, "%*s (Core Profile) Mesa %d.%d.%d", &major, &minor, &release);
version = 100*major + 10*minor + release;
}
break;
case DriverDetails::VENDOR_INTEL: // Happens in OS X/Windows
{
sscanf(g_ogl_config.gl_renderer, "Intel HD Graphics %d", &family);
#ifdef _WIN32
int glmajor = 0;
int glminor = 0;
int major = 0;
int minor = 0;
int release = 0;
int revision = 0;
// Example version string: '4.3.0 - Build 10.18.10.3907'
sscanf(g_ogl_config.gl_version, "%d.%d.0 - Build %d.%d.%d.%d", &glmajor, &glminor, &major, &minor, &release, &revision);
version = 100000000 * major + 1000000 * minor + 10000 * release + revision;
version /= 10000;
#endif
}
break;
case DriverDetails::VENDOR_NVIDIA:
{
int glmajor = 0;
int glminor = 0;
int glrelease = 0;
int major = 0;
int minor = 0;
// TODO: this is known to be broken on Windows
// Nvidia seems to have removed their driver version from this string, so we can't get it.
// hopefully we'll never have to workaround Nvidia bugs
sscanf(g_ogl_config.gl_version, "%d.%d.%d NVIDIA %d.%d", &glmajor, &glminor, &glrelease, &major, &minor);
version = 100*major + minor;
}
break;
// We don't care about these
default:
break;
}
DriverDetails::Init(vendor, driver, version, family);
}
// Init functions
Renderer::Renderer()
{
OSDInternalW = 0;
OSDInternalH = 0;
s_blendMode = 0;
bool bSuccess = true;
// Init extension support.
if (!GLExtensions::Init())
{
// OpenGL 2.0 is required for all shader based drawings. There is no way to get this by extensions
PanicAlert("GPU: OGL ERROR: Does your video card support OpenGL 2.0?");
bSuccess = false;
}
g_ogl_config.gl_vendor = (const char*)glGetString(GL_VENDOR);
g_ogl_config.gl_renderer = (const char*)glGetString(GL_RENDERER);
g_ogl_config.gl_version = (const char*)glGetString(GL_VERSION);
g_ogl_config.glsl_version = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
InitDriverInfo();
// check for the max vertex attributes
GLint numvertexattribs = 0;
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &numvertexattribs);
if (numvertexattribs < 16)
{
PanicAlert("GPU: OGL ERROR: Number of attributes %d not enough.\n"
"GPU: Does your video card support OpenGL 2.x?",
numvertexattribs);
bSuccess = false;
}
// check the max texture width and height
GLint max_texture_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint *)&max_texture_size);
if (max_texture_size < 1024)
{
PanicAlert("GL_MAX_TEXTURE_SIZE too small at %i - must be at least 1024.",
max_texture_size);
bSuccess = false;
}
if (!GLExtensions::Supports("GL_ARB_framebuffer_object"))
{
// We want the ogl3 framebuffer instead of the ogl2 one for better blitting support.
// It's also compatible with the gles3 one.
PanicAlert("GPU: ERROR: Need GL_ARB_framebuffer_object for multiple render targets.\n"
"GPU: Does your video card support OpenGL 3.0?");
bSuccess = false;
}
if (!GLExtensions::Supports("GL_ARB_vertex_array_object"))
{
// This extension is used to replace lots of pointer setting function.
// Also gles3 requires to use it.
PanicAlert("GPU: OGL ERROR: Need GL_ARB_vertex_array_object.\n"
"GPU: Does your video card support OpenGL 3.0?");
bSuccess = false;
}
if (!GLExtensions::Supports("GL_ARB_map_buffer_range"))
{
// ogl3 buffer mapping for better streaming support.
// The ogl2 one also isn't in gles3.
PanicAlert("GPU: OGL ERROR: Need GL_ARB_map_buffer_range.\n"
"GPU: Does your video card support OpenGL 3.0?");
bSuccess = false;
}
if (!GLExtensions::Supports("GL_ARB_uniform_buffer_object"))
{
// ubo allow us to keep the current constants on shader switches
// we also can stream them much nicer and pack into it whatever we want to
PanicAlert("GPU: OGL ERROR: Need GL_ARB_uniform_buffer_object.\n"
"GPU: Does your video card support OpenGL 3.1?");
bSuccess = false;
}
else if (DriverDetails::HasBug(DriverDetails::BUG_BROKENUBO))
{
PanicAlert("Buggy GPU driver detected.\n"
"Please either install the closed-source GPU driver or update your Mesa 3D version.");
bSuccess = false;
}
if (!GLExtensions::Supports("GL_ARB_sampler_objects"))
{
// Our sampler cache uses this extension. It could easyly be workaround and it's by far the
// highest requirement, but it seems that no driver lacks support for it.
PanicAlert("GPU: OGL ERROR: Need GL_ARB_sampler_objects.\n"
"GPU: Does your video card support OpenGL 3.3?");
bSuccess = false;
}
if (GLExtensions::Version() < 300)
{
// integer vertex attributes require a gl3 only function
PanicAlert("GPU: OGL ERROR: Need OpenGL version 3.\n"
"GPU: Does your video card support OpenGL 3?");
bSuccess = false;
}
// OpenGL 3 doesn't provide GLES like float functions for depth.
// They are in core in OpenGL 4.1, so almost every driver should support them.
// But for the oldest ones, we provide fallbacks to the old double functions.
if (!GLExtensions::Supports("GL_ARB_ES2_compatibility") && GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL)
{
glDepthRangef = DepthRangef;
glClearDepthf = ClearDepthf;
}
g_Config.backend_info.bSupportsDualSourceBlend = GLExtensions::Supports("GL_ARB_blend_func_extended") ||
GLExtensions::Supports("GL_EXT_blend_func_extended");
g_Config.backend_info.bSupportsPrimitiveRestart = !DriverDetails::HasBug(DriverDetails::BUG_PRIMITIVERESTART) &&
((GLExtensions::Version() >= 310) || GLExtensions::Supports("GL_NV_primitive_restart"));
g_Config.backend_info.bSupportsBBox = GLExtensions::Supports("GL_ARB_shader_storage_buffer_object");
g_Config.backend_info.bSupportsGSInstancing = GLExtensions::Supports("GL_ARB_gpu_shader5");
g_Config.backend_info.bSupportsSSAA = GLExtensions::Supports("GL_ARB_gpu_shader5") && GLExtensions::Supports("GL_ARB_sample_shading");
g_Config.backend_info.bSupportsGeometryShaders = GLExtensions::Version() >= 320;
g_Config.backend_info.bSupportsPaletteConversion = GLExtensions::Supports("GL_ARB_texture_buffer_object") ||
GLExtensions::Supports("GL_OES_texture_buffer") ||
GLExtensions::Supports("GL_EXT_texture_buffer");
g_Config.backend_info.bSupportsClipControl = GLExtensions::Supports("GL_ARB_clip_control");
g_ogl_config.bSupportsCopySubImage = (GLExtensions::Supports("GL_ARB_copy_image") ||
GLExtensions::Supports("GL_NV_copy_image") ||
GLExtensions::Supports("GL_EXT_copy_image") ||
GLExtensions::Supports("GL_OES_copy_image")) &&
!DriverDetails::HasBug(DriverDetails::BUG_BROKENCOPYIMAGE);
// Desktop OpenGL supports the binding layout if it supports 420pack
// OpenGL ES 3.1 supports it implicitly without an extension
g_Config.backend_info.bSupportsBindingLayout = GLExtensions::Supports("GL_ARB_shading_language_420pack");
g_ogl_config.bSupportsGLSLCache = GLExtensions::Supports("GL_ARB_get_program_binary");
g_ogl_config.bSupportsGLPinnedMemory = GLExtensions::Supports("GL_AMD_pinned_memory");
g_ogl_config.bSupportsGLSync = GLExtensions::Supports("GL_ARB_sync");
g_ogl_config.bSupportsGLBaseVertex = GLExtensions::Supports("GL_ARB_draw_elements_base_vertex") ||
GLExtensions::Supports("GL_EXT_draw_elements_base_vertex") ||
GLExtensions::Supports("GL_OES_draw_elements_base_vertex");
g_ogl_config.bSupportsGLBufferStorage = GLExtensions::Supports("GL_ARB_buffer_storage") ||
GLExtensions::Supports("GL_EXT_buffer_storage");
g_ogl_config.bSupportsMSAA = GLExtensions::Supports("GL_ARB_texture_multisample");
g_ogl_config.bSupportOGL31 = GLExtensions::Version() >= 310;
g_ogl_config.bSupportViewportFloat = GLExtensions::Supports("GL_ARB_viewport_array");
g_ogl_config.bSupportsDebug = GLExtensions::Supports("GL_KHR_debug") ||
GLExtensions::Supports("GL_ARB_debug_output");
g_ogl_config.bSupports3DTextureStorage = GLExtensions::Supports("GL_ARB_texture_storage_multisample") ||
GLExtensions::Supports("GL_OES_texture_storage_multisample_2d_array");
g_ogl_config.bSupports2DTextureStorage = GLExtensions::Supports("GL_ARB_texture_storage_multisample");
g_ogl_config.bSupportsEarlyFragmentTests = GLExtensions::Supports("GL_ARB_shader_image_load_store");
g_ogl_config.bSupportsConservativeDepth = GLExtensions::Supports("GL_ARB_conservative_depth");
g_ogl_config.bSupportsAniso = GLExtensions::Supports("GL_EXT_texture_filter_anisotropic");
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3)
{
g_ogl_config.SupportedESPointSize = GLExtensions::Supports("GL_OES_geometry_point_size") ? 1 : GLExtensions::Supports("GL_EXT_geometry_point_size") ? 2 : 0;
g_ogl_config.SupportedESTextureBuffer = GLExtensions::Supports("VERSION_GLES_3_2") ? ES_TEXBUF_TYPE::TEXBUF_CORE :
GLExtensions::Supports("GL_OES_texture_buffer") ? ES_TEXBUF_TYPE::TEXBUF_OES :
GLExtensions::Supports("GL_EXT_texture_buffer") ? ES_TEXBUF_TYPE::TEXBUF_EXT : ES_TEXBUF_TYPE::TEXBUF_NONE;
if (strstr(g_ogl_config.glsl_version, "3.0") || DriverDetails::HasBug(DriverDetails::BUG_BROKENGLES31))
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_300;
g_ogl_config.bSupportsAEP = false;
g_Config.backend_info.bSupportsGeometryShaders = false;
}
else if (strstr(g_ogl_config.glsl_version, "3.1"))
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_310;
g_ogl_config.bSupportsAEP = GLExtensions::Supports("GL_ANDROID_extension_pack_es31a");
g_Config.backend_info.bSupportsBindingLayout = true;
g_ogl_config.bSupportsEarlyFragmentTests = true;
g_Config.backend_info.bSupportsGeometryShaders = g_ogl_config.bSupportsAEP;
g_Config.backend_info.bSupportsGSInstancing = g_Config.backend_info.bSupportsGeometryShaders && g_ogl_config.SupportedESPointSize > 0;
g_Config.backend_info.bSupportsSSAA = g_ogl_config.bSupportsAEP;
g_Config.backend_info.bSupportsBBox = true;
g_ogl_config.bSupportsMSAA = true;
g_ogl_config.bSupports2DTextureStorage = true;
if (g_ActiveConfig.iStereoMode > 0 && g_ActiveConfig.iMultisamples > 1 && !g_ogl_config.bSupports3DTextureStorage)
{
// GLES 3.1 can't support stereo rendering and MSAA
OSD::AddMessage("MSAA Stereo rendering isn't supported by your GPU.", 10000);
g_ActiveConfig.iMultisamples = 1;
}
}
else
{
g_ogl_config.eSupportedGLSLVersion = GLSLES_320;
g_ogl_config.bSupportsAEP = GLExtensions::Supports("GL_ANDROID_extension_pack_es31a");
g_Config.backend_info.bSupportsBindingLayout = true;
g_ogl_config.bSupportsEarlyFragmentTests = true;
g_Config.backend_info.bSupportsGeometryShaders = true;
g_Config.backend_info.bSupportsGSInstancing = g_ogl_config.SupportedESPointSize > 0;
g_Config.backend_info.bSupportsPaletteConversion = true;
g_Config.backend_info.bSupportsSSAA = true;
g_Config.backend_info.bSupportsBBox = true;
g_ogl_config.bSupportsCopySubImage = true;
g_ogl_config.bSupportsGLBaseVertex = true;
g_ogl_config.bSupportsDebug = true;
g_ogl_config.bSupportsMSAA = true;
g_ogl_config.bSupports2DTextureStorage = true;
g_ogl_config.bSupports3DTextureStorage = true;
}
}
else
{
if (strstr(g_ogl_config.glsl_version, "1.00") || strstr(g_ogl_config.glsl_version, "1.10") || strstr(g_ogl_config.glsl_version, "1.20"))
{
PanicAlert("GPU: OGL ERROR: Need at least GLSL 1.30\n"
"GPU: Does your video card support OpenGL 3.0?\n"
"GPU: Your driver supports GLSL %s", g_ogl_config.glsl_version);
bSuccess = false;
}
else if (strstr(g_ogl_config.glsl_version, "1.30"))
{
g_ogl_config.eSupportedGLSLVersion = GLSL_130;
g_ogl_config.bSupportsEarlyFragmentTests = false; // layout keyword is only supported on glsl150+
g_ogl_config.bSupportsConservativeDepth = false; // layout keyword is only supported on glsl150+
g_Config.backend_info.bSupportsGeometryShaders = false; // geometry shaders are only supported on glsl150+
}
else if (strstr(g_ogl_config.glsl_version, "1.40"))
{
g_ogl_config.eSupportedGLSLVersion = GLSL_140;
g_ogl_config.bSupportsEarlyFragmentTests = false; // layout keyword is only supported on glsl150+
g_ogl_config.bSupportsConservativeDepth = false; // layout keyword is only supported on glsl150+
g_Config.backend_info.bSupportsGeometryShaders = false; // geometry shaders are only supported on glsl150+
}
else if (strstr(g_ogl_config.glsl_version, "1.50"))
{
g_ogl_config.eSupportedGLSLVersion = GLSL_150;
}
else if (strstr(g_ogl_config.glsl_version, "3.30"))
{
g_ogl_config.eSupportedGLSLVersion = GLSL_330;
}
else
{
g_ogl_config.eSupportedGLSLVersion = GLSL_400;
g_Config.backend_info.bSupportsSSAA = true;
}
// Desktop OpenGL can't have the Android Extension Pack
g_ogl_config.bSupportsAEP = false;
}
// Either method can do early-z tests. See PixelShaderGen for details.
g_Config.backend_info.bSupportsEarlyZ = g_ogl_config.bSupportsEarlyFragmentTests || g_ogl_config.bSupportsConservativeDepth;
if (g_ogl_config.bSupportsDebug)
{
if (GLExtensions::Supports("GL_KHR_debug"))
{
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, true);
glDebugMessageCallback(ErrorCallback, nullptr);
}
else
{
glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, true);
glDebugMessageCallbackARB(ErrorCallback, nullptr);
}
if (LogManager::GetInstance()->IsEnabled(LogTypes::HOST_GPU, LogTypes::LERROR))
glEnable(GL_DEBUG_OUTPUT);
else
glDisable(GL_DEBUG_OUTPUT);
}
int samples;
glGetIntegerv(GL_SAMPLES, &samples);
if (samples > 1)
{
// MSAA on default framebuffer isn't working because of glBlitFramebuffer.
// It also isn't useful as we don't render anything to the default framebuffer.
// We also try to get a non-msaa fb, so this only happens when forced by the driver.
PanicAlert("MSAA on default framebuffer isn't supported.\n"
"Please avoid forcing Dolphin to use MSAA by the driver.\n"
"%d samples on default framebuffer found.", samples);
bSuccess = false;
}
if (!bSuccess)
{
// Not all needed extensions are supported, so we have to stop here.
// Else some of the next calls might crash.
return;
}
glGetIntegerv(GL_MAX_SAMPLES, &g_ogl_config.max_samples);
if (g_ogl_config.max_samples < 1 || !g_ogl_config.bSupportsMSAA)
g_ogl_config.max_samples = 1;
g_Config.VerifyValidity();
UpdateActiveConfig();
OSD::AddMessage(StringFromFormat("Video Info: %s, %s, %s",
g_ogl_config.gl_vendor,
g_ogl_config.gl_renderer,
g_ogl_config.gl_version), 5000);
WARN_LOG(VIDEO,"Missing OGL Extensions: %s%s%s%s%s%s%s%s%s%s%s%s%s",
g_ActiveConfig.backend_info.bSupportsDualSourceBlend ? "" : "DualSourceBlend ",
g_ActiveConfig.backend_info.bSupportsPrimitiveRestart ? "" : "PrimitiveRestart ",
g_ActiveConfig.backend_info.bSupportsEarlyZ ? "" : "EarlyZ ",
g_ogl_config.bSupportsGLPinnedMemory ? "" : "PinnedMemory ",
g_ogl_config.bSupportsGLSLCache ? "" : "ShaderCache ",
g_ogl_config.bSupportsGLBaseVertex ? "" : "BaseVertex ",
g_ogl_config.bSupportsGLBufferStorage ? "" : "BufferStorage ",
g_ogl_config.bSupportsGLSync ? "" : "Sync ",
g_ogl_config.bSupportsMSAA ? "" : "MSAA ",
g_ActiveConfig.backend_info.bSupportsSSAA ? "" : "SSAA ",
g_ActiveConfig.backend_info.bSupportsGSInstancing ? "" : "GSInstancing ",
g_ActiveConfig.backend_info.bSupportsClipControl ? "" : "ClipControl ",
g_ogl_config.bSupportsCopySubImage ? "" : "CopyImageSubData "
);
s_last_multisamples = g_ActiveConfig.iMultisamples;
s_MSAASamples = s_last_multisamples;
s_last_stereo_mode = g_ActiveConfig.iStereoMode > 0;
s_last_xfb_mode = g_ActiveConfig.bUseRealXFB;
// Decide framebuffer size
s_backbuffer_width = (int)GLInterface->GetBackBufferWidth();
s_backbuffer_height = (int)GLInterface->GetBackBufferHeight();
// Handle VSync on/off
s_vsync = g_ActiveConfig.IsVSync();
if (!DriverDetails::HasBug(DriverDetails::BUG_BROKENVSYNC))
GLInterface->SwapInterval(s_vsync);
// TODO: Move these somewhere else?
FramebufferManagerBase::SetLastXfbWidth(MAX_XFB_WIDTH);
FramebufferManagerBase::SetLastXfbHeight(MAX_XFB_HEIGHT);
UpdateDrawRectangle(s_backbuffer_width, s_backbuffer_height);
s_last_efb_scale = g_ActiveConfig.iEFBScale;
CalculateTargetSize(s_backbuffer_width, s_backbuffer_height);
PixelShaderManager::SetEfbScaleChanged();
// Because of the fixed framebuffer size we need to disable the resolution
// options while running
g_Config.bRunning = true;
glStencilFunc(GL_ALWAYS, 0, 0);
glBlendFunc(GL_ONE, GL_ONE);
glViewport(0, 0, GetTargetWidth(), GetTargetHeight()); // Reset The Current Viewport
if (g_ActiveConfig.backend_info.bSupportsClipControl)
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClearDepthf(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4); // 4-byte pixel alignment
glDisable(GL_STENCIL_TEST);
glEnable(GL_SCISSOR_TEST);
glScissor(0, 0, GetTargetWidth(), GetTargetHeight());
glBlendColor(0, 0, 0, 0.5f);
glClearDepthf(1.0f);
if (g_ActiveConfig.backend_info.bSupportsPrimitiveRestart)
{
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3)
{
glEnable(GL_PRIMITIVE_RESTART_FIXED_INDEX);
}
else
{
if (g_ogl_config.bSupportOGL31)
{
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(65535);
}
else
{
glEnableClientState(GL_PRIMITIVE_RESTART_NV);
glPrimitiveRestartIndexNV(65535);
}
}
}
UpdateActiveConfig();
ClearEFBCache();
}
Renderer::~Renderer()
{
}
void Renderer::Shutdown()
{
delete g_framebuffer_manager;
g_Config.bRunning = false;
UpdateActiveConfig();
delete s_pfont;
s_pfont = nullptr;
delete m_post_processor;
m_post_processor = nullptr;
OpenGL_DeleteAttributelessVAO();
}
void Renderer::Init()
{
// Initialize the FramebufferManager
g_framebuffer_manager = new FramebufferManager(s_target_width, s_target_height,
s_MSAASamples);
m_post_processor = new OpenGLPostProcessing();
s_pfont = new RasterFont();
OpenGL_CreateAttributelessVAO();
}
void Renderer::RenderText(const std::string& text, int left, int top, u32 color)
{
const int nBackbufferWidth = (int)GLInterface->GetBackBufferWidth();
const int nBackbufferHeight = (int)GLInterface->GetBackBufferHeight();
s_pfont->printMultilineText(text,
left * 2.0f / (float)nBackbufferWidth - 1,
1 - top * 2.0f / (float)nBackbufferHeight,
0, nBackbufferWidth, nBackbufferHeight, color);
}
TargetRectangle Renderer::ConvertEFBRectangle(const EFBRectangle& rc)
{
TargetRectangle result;
result.left = EFBToScaledX(rc.left);
result.top = EFBToScaledY(EFB_HEIGHT - rc.top);
result.right = EFBToScaledX(rc.right);
result.bottom = EFBToScaledY(EFB_HEIGHT - rc.bottom);
return result;
}
// Function: This function handles the OpenGL glScissor() function
// ----------------------------
// Call browser: OpcodeDecoding.cpp ExecuteDisplayList > Decode() > LoadBPReg()
// case 0x52 > SetScissorRect()
// ----------------------------
// bpmem.scissorTL.x, y = 342x342
// bpmem.scissorBR.x, y = 981x821
// Renderer::GetTargetHeight() = the fixed ini file setting
// donkopunchstania - it appears scissorBR is the bottom right pixel inside the scissor box
// therefore the width and height are (scissorBR + 1) - scissorTL
void Renderer::SetScissorRect(const EFBRectangle& rc)
{
TargetRectangle trc = g_renderer->ConvertEFBRectangle(rc);
glScissor(trc.left, trc.bottom, trc.GetWidth(), trc.GetHeight());
}
void Renderer::SetColorMask()
{
// Only enable alpha channel if it's supported by the current EFB format
GLenum ColorMask = GL_FALSE, AlphaMask = GL_FALSE;
if (bpmem.alpha_test.TestResult() != AlphaTest::FAIL)
{
if (bpmem.blendmode.colorupdate)
ColorMask = GL_TRUE;
if (bpmem.blendmode.alphaupdate && (bpmem.zcontrol.pixel_format == PEControl::RGBA6_Z24))
AlphaMask = GL_TRUE;
}
glColorMask(ColorMask, ColorMask, ColorMask, AlphaMask);
}
void ClearEFBCache()
{
if (!s_efbCacheIsCleared)
{
s_efbCacheIsCleared = true;
memset(s_efbCacheValid, 0, sizeof(s_efbCacheValid));
}
}
void Renderer::UpdateEFBCache(EFBAccessType type, u32 cacheRectIdx, const EFBRectangle& efbPixelRc, const TargetRectangle& targetPixelRc, const void* data)
{
u32 cacheType = (type == PEEK_Z ? 0 : 1);
if (!s_efbCache[cacheType][cacheRectIdx].size())
s_efbCache[cacheType][cacheRectIdx].resize(EFB_CACHE_RECT_SIZE * EFB_CACHE_RECT_SIZE);
u32 targetPixelRcWidth = targetPixelRc.right - targetPixelRc.left;
u32 efbPixelRcHeight = efbPixelRc.bottom - efbPixelRc.top;
u32 efbPixelRcWidth = efbPixelRc.right - efbPixelRc.left;
for (u32 yCache = 0; yCache < efbPixelRcHeight; ++yCache)
{
u32 yEFB = efbPixelRc.top + yCache;
u32 yPixel = (EFBToScaledY(EFB_HEIGHT - yEFB) + EFBToScaledY(EFB_HEIGHT - yEFB - 1)) / 2;
u32 yData = yPixel - targetPixelRc.bottom;
for (u32 xCache = 0; xCache < efbPixelRcWidth; ++xCache)
{
u32 xEFB = efbPixelRc.left + xCache;
u32 xPixel = (EFBToScaledX(xEFB) + EFBToScaledX(xEFB + 1)) / 2;
u32 xData = xPixel - targetPixelRc.left;
u32 value;
if (type == PEEK_Z)
{
float* ptr = (float*)data;
value = MathUtil::Clamp<u32>((u32)(ptr[yData * targetPixelRcWidth + xData] * 16777216.0f), 0, 0xFFFFFF);
}
else
{
u32* ptr = (u32*)data;
value = ptr[yData * targetPixelRcWidth + xData];
}
s_efbCache[cacheType][cacheRectIdx][yCache * EFB_CACHE_RECT_SIZE + xCache] = value;
}
}
s_efbCacheValid[cacheType][cacheRectIdx] = true;
s_efbCacheIsCleared = false;
}
// This function allows the CPU to directly access the EFB.
// There are EFB peeks (which will read the color or depth of a pixel)
// and EFB pokes (which will change the color or depth of a pixel).
//
// The behavior of EFB peeks can only be modified by:
// - GX_PokeAlphaRead
// The behavior of EFB pokes can be modified by:
// - GX_PokeAlphaMode (TODO)
// - GX_PokeAlphaUpdate (TODO)
// - GX_PokeBlendMode (TODO)
// - GX_PokeColorUpdate (TODO)
// - GX_PokeDither (TODO)
// - GX_PokeDstAlpha (TODO)
// - GX_PokeZMode (TODO)
u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
{
u32 cacheRectIdx = (y / EFB_CACHE_RECT_SIZE) * EFB_CACHE_WIDTH
+ (x / EFB_CACHE_RECT_SIZE);
EFBRectangle efbPixelRc;
if (type == PEEK_COLOR || type == PEEK_Z)
{
// Get the rectangular target region containing the EFB pixel
efbPixelRc.left = (x / EFB_CACHE_RECT_SIZE) * EFB_CACHE_RECT_SIZE;
efbPixelRc.top = (y / EFB_CACHE_RECT_SIZE) * EFB_CACHE_RECT_SIZE;
efbPixelRc.right = std::min(efbPixelRc.left + EFB_CACHE_RECT_SIZE, (u32)EFB_WIDTH);
efbPixelRc.bottom = std::min(efbPixelRc.top + EFB_CACHE_RECT_SIZE, (u32)EFB_HEIGHT);
}
else
{
efbPixelRc.left = x;
efbPixelRc.top = y;
efbPixelRc.right = x+1;
efbPixelRc.bottom = y+1;
}
TargetRectangle targetPixelRc = ConvertEFBRectangle(efbPixelRc);
u32 targetPixelRcWidth = targetPixelRc.right - targetPixelRc.left;
u32 targetPixelRcHeight = targetPixelRc.top - targetPixelRc.bottom;
// TODO (FIX) : currently, AA path is broken/offset and doesn't return the correct pixel
switch (type)
{
case PEEK_Z:
{
if (!s_efbCacheValid[0][cacheRectIdx])
{
if (s_MSAASamples > 1)
{
g_renderer->ResetAPIState();
// Resolve our rectangle.
FramebufferManager::GetEFBDepthTexture(efbPixelRc);
glBindFramebuffer(GL_READ_FRAMEBUFFER, FramebufferManager::GetResolvedFramebuffer());
g_renderer->RestoreAPIState();
}
std::unique_ptr<float> depthMap(new float[targetPixelRcWidth * targetPixelRcHeight]);
glReadPixels(targetPixelRc.left, targetPixelRc.bottom, targetPixelRcWidth, targetPixelRcHeight,
GL_DEPTH_COMPONENT, GL_FLOAT, depthMap.get());
UpdateEFBCache(type, cacheRectIdx, efbPixelRc, targetPixelRc, depthMap.get());
}
u32 xRect = x % EFB_CACHE_RECT_SIZE;
u32 yRect = y % EFB_CACHE_RECT_SIZE;
u32 z = s_efbCache[0][cacheRectIdx][yRect * EFB_CACHE_RECT_SIZE + xRect];
// if Z is in 16 bit format you must return a 16 bit integer
if (bpmem.zcontrol.pixel_format == PEControl::RGB565_Z16)
z = z >> 8;
return z;
}
case PEEK_COLOR: // GXPeekARGB
{
// Although it may sound strange, this really is A8R8G8B8 and not RGBA or 24-bit...
// Tested in Killer 7, the first 8bits represent the alpha value which is used to
// determine if we're aiming at an enemy (0x80 / 0x88) or not (0x70)
// Wind Waker is also using it for the pictograph to determine the color of each pixel
if (!s_efbCacheValid[1][cacheRectIdx])
{
if (s_MSAASamples > 1)
{
g_renderer->ResetAPIState();
// Resolve our rectangle.
FramebufferManager::GetEFBColorTexture(efbPixelRc);
glBindFramebuffer(GL_READ_FRAMEBUFFER, FramebufferManager::GetResolvedFramebuffer());
g_renderer->RestoreAPIState();
}
std::unique_ptr<u32> colorMap(new u32[targetPixelRcWidth * targetPixelRcHeight]);
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGLES3)
// XXX: Swap colours
glReadPixels(targetPixelRc.left, targetPixelRc.bottom, targetPixelRcWidth, targetPixelRcHeight,
GL_RGBA, GL_UNSIGNED_BYTE, colorMap.get());
else
glReadPixels(targetPixelRc.left, targetPixelRc.bottom, targetPixelRcWidth, targetPixelRcHeight,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, colorMap.get());
UpdateEFBCache(type, cacheRectIdx, efbPixelRc, targetPixelRc, colorMap.get());
}
u32 xRect = x % EFB_CACHE_RECT_SIZE;
u32 yRect = y % EFB_CACHE_RECT_SIZE;
u32 color = s_efbCache[1][cacheRectIdx][yRect * EFB_CACHE_RECT_SIZE + xRect];
// check what to do with the alpha channel (GX_PokeAlphaRead)
PixelEngine::UPEAlphaReadReg alpha_read_mode = PixelEngine::GetAlphaReadMode();
if (bpmem.zcontrol.pixel_format == PEControl::RGBA6_Z24)
{
color = RGBA8ToRGBA6ToRGBA8(color);
}
else if (bpmem.zcontrol.pixel_format == PEControl::RGB565_Z16)
{
color = RGBA8ToRGB565ToRGBA8(color);
}
if (bpmem.zcontrol.pixel_format != PEControl::RGBA6_Z24)
{
color |= 0xFF000000;
}
if (alpha_read_mode.ReadMode == 2)
{
// GX_READ_NONE
return color;
}
else if (alpha_read_mode.ReadMode == 1)
{
// GX_READ_FF
return (color | 0xFF000000);
}
else /*if(alpha_read_mode.ReadMode == 0)*/
{
// GX_READ_00
return (color & 0x00FFFFFF);
}
}
case POKE_COLOR:
case POKE_Z:
{
std::vector<EfbPokeData> vector;
EfbPokeData d;
d.x = x;
d.y = y;
d.data = poke_data;
vector.push_back(d);
PokeEFB(type, vector);
break;
}
default:
break;
}
return 0;
}
void Renderer::PokeEFB(EFBAccessType type, const std::vector<EfbPokeData>& data)
{
FramebufferManager::PokeEFB(type, data);
}
u16 Renderer::BBoxRead(int index)
{
int swapped_index = index;
if (index >= 2)
swapped_index ^= 1; // swap 2 and 3 for top/bottom
// Here we get the min/max value of the truncated position of the upscaled and swapped framebuffer.
// So we have to correct them to the unscaled EFB sizes.
int value = BoundingBox::Get(swapped_index);
if (index < 2)
{
// left/right
value = value * EFB_WIDTH / s_target_width;
}
else
{
// up/down -- we have to swap up and down
value = value * EFB_HEIGHT / s_target_height;
value = EFB_HEIGHT - value - 1;
}
if (index & 1)
value++; // fix max values to describe the outer border
return value;
}
void Renderer::BBoxWrite(int index, u16 _value)
{