forked from godotengine/godot
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathrenderer_scene_render_rd.cpp
3914 lines (3141 loc) · 159 KB
/
renderer_scene_render_rd.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
/*************************************************************************/
/* renderer_scene_render_rd.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "renderer_scene_render_rd.h"
#include "core/config/project_settings.h"
#include "core/os/os.h"
#include "renderer_compositor_rd.h"
#include "servers/rendering/renderer_rd/environment/fog.h"
#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h"
#include "servers/rendering/rendering_server_default.h"
#include "servers/rendering/storage/camera_attributes_storage.h"
void get_vogel_disk(float *r_kernel, int p_sample_count) {
const float golden_angle = 2.4;
for (int i = 0; i < p_sample_count; i++) {
float r = Math::sqrt(float(i) + 0.5) / Math::sqrt(float(p_sample_count));
float theta = float(i) * golden_angle;
r_kernel[i * 4] = Math::cos(theta) * r;
r_kernel[i * 4 + 1] = Math::sin(theta) * r;
}
}
void RendererSceneRenderRD::sdfgi_update(const Ref<RenderSceneBuffers> &p_render_buffers, RID p_environment, const Vector3 &p_world_position) {
Ref<RenderSceneBuffersRD> rb = p_render_buffers;
ERR_FAIL_COND(rb.is_null());
Ref<RendererRD::GI::SDFGI> sdfgi;
if (rb->has_custom_data(RB_SCOPE_SDFGI)) {
sdfgi = rb->get_custom_data(RB_SCOPE_SDFGI);
}
bool needs_sdfgi = p_environment.is_valid() && environment_get_sdfgi_enabled(p_environment);
if (!needs_sdfgi) {
if (sdfgi.is_valid()) {
// delete it
sdfgi.unref();
rb->set_custom_data(RB_SCOPE_SDFGI, sdfgi);
}
return;
}
static const uint32_t history_frames_to_converge[RS::ENV_SDFGI_CONVERGE_MAX] = { 5, 10, 15, 20, 25, 30 };
uint32_t requested_history_size = history_frames_to_converge[gi.sdfgi_frames_to_converge];
if (sdfgi.is_valid() && (sdfgi->num_cascades != environment_get_sdfgi_cascades(p_environment) || sdfgi->min_cell_size != environment_get_sdfgi_min_cell_size(p_environment) || requested_history_size != sdfgi->history_size || sdfgi->uses_occlusion != environment_get_sdfgi_use_occlusion(p_environment) || sdfgi->y_scale_mode != environment_get_sdfgi_y_scale(p_environment))) {
//configuration changed, erase
sdfgi.unref();
rb->set_custom_data(RB_SCOPE_SDFGI, sdfgi);
}
if (sdfgi.is_null()) {
// re-create
sdfgi = gi.create_sdfgi(p_environment, p_world_position, requested_history_size);
rb->set_custom_data(RB_SCOPE_SDFGI, sdfgi);
} else {
//check for updates
sdfgi->update(p_environment, p_world_position);
}
}
int RendererSceneRenderRD::sdfgi_get_pending_region_count(const Ref<RenderSceneBuffers> &p_render_buffers) const {
Ref<RenderSceneBuffersRD> rb = p_render_buffers;
ERR_FAIL_COND_V(rb.is_null(), 0);
if (!rb->has_custom_data(RB_SCOPE_SDFGI)) {
return 0;
}
Ref<RendererRD::GI::SDFGI> sdfgi = rb->get_custom_data(RB_SCOPE_SDFGI);
int dirty_count = 0;
for (uint32_t i = 0; i < sdfgi->cascades.size(); i++) {
const RendererRD::GI::SDFGI::Cascade &c = sdfgi->cascades[i];
if (c.dirty_regions == RendererRD::GI::SDFGI::Cascade::DIRTY_ALL) {
dirty_count++;
} else {
for (int j = 0; j < 3; j++) {
if (c.dirty_regions[j] != 0) {
dirty_count++;
}
}
}
}
return dirty_count;
}
AABB RendererSceneRenderRD::sdfgi_get_pending_region_bounds(const Ref<RenderSceneBuffers> &p_render_buffers, int p_region) const {
AABB bounds;
Vector3i from;
Vector3i size;
Ref<RenderSceneBuffersRD> rb = p_render_buffers;
ERR_FAIL_COND_V(rb.is_null(), AABB());
Ref<RendererRD::GI::SDFGI> sdfgi = rb->get_custom_data(RB_SCOPE_SDFGI);
ERR_FAIL_COND_V(sdfgi.is_null(), AABB());
int c = sdfgi->get_pending_region_data(p_region, from, size, bounds);
ERR_FAIL_COND_V(c == -1, AABB());
return bounds;
}
uint32_t RendererSceneRenderRD::sdfgi_get_pending_region_cascade(const Ref<RenderSceneBuffers> &p_render_buffers, int p_region) const {
AABB bounds;
Vector3i from;
Vector3i size;
Ref<RenderSceneBuffersRD> rb = p_render_buffers;
ERR_FAIL_COND_V(rb.is_null(), -1);
Ref<RendererRD::GI::SDFGI> sdfgi = rb->get_custom_data(RB_SCOPE_SDFGI);
ERR_FAIL_COND_V(sdfgi.is_null(), -1);
return sdfgi->get_pending_region_data(p_region, from, size, bounds);
}
RID RendererSceneRenderRD::sky_allocate() {
return sky.allocate_sky_rid();
}
void RendererSceneRenderRD::sky_initialize(RID p_rid) {
sky.initialize_sky_rid(p_rid);
}
void RendererSceneRenderRD::sky_set_radiance_size(RID p_sky, int p_radiance_size) {
sky.sky_set_radiance_size(p_sky, p_radiance_size);
}
void RendererSceneRenderRD::sky_set_mode(RID p_sky, RS::SkyMode p_mode) {
sky.sky_set_mode(p_sky, p_mode);
}
void RendererSceneRenderRD::sky_set_material(RID p_sky, RID p_material) {
sky.sky_set_material(p_sky, p_material);
}
Ref<Image> RendererSceneRenderRD::sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size) {
return sky.sky_bake_panorama(p_sky, p_energy, p_bake_irradiance, p_size);
}
void RendererSceneRenderRD::environment_glow_set_use_bicubic_upscale(bool p_enable) {
glow_bicubic_upscale = p_enable;
}
void RendererSceneRenderRD::environment_glow_set_use_high_quality(bool p_enable) {
glow_high_quality = p_enable;
}
void RendererSceneRenderRD::environment_set_volumetric_fog_volume_size(int p_size, int p_depth) {
volumetric_fog_size = p_size;
volumetric_fog_depth = p_depth;
}
void RendererSceneRenderRD::environment_set_volumetric_fog_filter_active(bool p_enable) {
volumetric_fog_filter_active = p_enable;
}
void RendererSceneRenderRD::environment_set_sdfgi_ray_count(RS::EnvironmentSDFGIRayCount p_ray_count) {
gi.sdfgi_ray_count = p_ray_count;
}
void RendererSceneRenderRD::environment_set_sdfgi_frames_to_converge(RS::EnvironmentSDFGIFramesToConverge p_frames) {
gi.sdfgi_frames_to_converge = p_frames;
}
void RendererSceneRenderRD::environment_set_sdfgi_frames_to_update_light(RS::EnvironmentSDFGIFramesToUpdateLight p_update) {
gi.sdfgi_frames_to_update_light = p_update;
}
void RendererSceneRenderRD::environment_set_ssr_roughness_quality(RS::EnvironmentSSRRoughnessQuality p_quality) {
ssr_roughness_quality = p_quality;
}
RS::EnvironmentSSRRoughnessQuality RendererSceneRenderRD::environment_get_ssr_roughness_quality() const {
return ssr_roughness_quality;
}
void RendererSceneRenderRD::environment_set_ssao_quality(RS::EnvironmentSSAOQuality p_quality, bool p_half_size, float p_adaptive_target, int p_blur_passes, float p_fadeout_from, float p_fadeout_to) {
ssao_quality = p_quality;
ssao_half_size = p_half_size;
ssao_adaptive_target = p_adaptive_target;
ssao_blur_passes = p_blur_passes;
ssao_fadeout_from = p_fadeout_from;
ssao_fadeout_to = p_fadeout_to;
}
void RendererSceneRenderRD::environment_set_ssil_quality(RS::EnvironmentSSILQuality p_quality, bool p_half_size, float p_adaptive_target, int p_blur_passes, float p_fadeout_from, float p_fadeout_to) {
ssil_quality = p_quality;
ssil_half_size = p_half_size;
ssil_adaptive_target = p_adaptive_target;
ssil_blur_passes = p_blur_passes;
ssil_fadeout_from = p_fadeout_from;
ssil_fadeout_to = p_fadeout_to;
}
Ref<Image> RendererSceneRenderRD::environment_bake_panorama(RID p_env, bool p_bake_irradiance, const Size2i &p_size) {
ERR_FAIL_COND_V(p_env.is_null(), Ref<Image>());
RS::EnvironmentBG environment_background = environment_get_background(p_env);
if (environment_background == RS::ENV_BG_CAMERA_FEED || environment_background == RS::ENV_BG_CANVAS || environment_background == RS::ENV_BG_KEEP) {
return Ref<Image>(); //nothing to bake
}
RS::EnvironmentAmbientSource ambient_source = environment_get_ambient_source(p_env);
bool use_ambient_light = false;
bool use_cube_map = false;
if (ambient_source == RS::ENV_AMBIENT_SOURCE_BG && (environment_background == RS::ENV_BG_CLEAR_COLOR || environment_background == RS::ENV_BG_COLOR)) {
use_ambient_light = true;
} else {
use_cube_map = (ambient_source == RS::ENV_AMBIENT_SOURCE_BG && environment_background == RS::ENV_BG_SKY) || ambient_source == RS::ENV_AMBIENT_SOURCE_SKY;
use_ambient_light = use_cube_map || ambient_source == RS::ENV_AMBIENT_SOURCE_COLOR;
}
use_cube_map = use_cube_map || (environment_background == RS::ENV_BG_SKY && environment_get_sky(p_env).is_valid());
Color ambient_color;
float ambient_color_sky_mix = 0.0;
if (use_ambient_light) {
ambient_color_sky_mix = environment_get_ambient_sky_contribution(p_env);
const float ambient_energy = environment_get_ambient_light_energy(p_env);
ambient_color = environment_get_ambient_light(p_env);
ambient_color = ambient_color.srgb_to_linear();
ambient_color.r *= ambient_energy;
ambient_color.g *= ambient_energy;
ambient_color.b *= ambient_energy;
}
if (use_cube_map) {
Ref<Image> panorama = sky_bake_panorama(environment_get_sky(p_env), environment_get_bg_energy_multiplier(p_env), p_bake_irradiance, p_size);
if (use_ambient_light) {
for (int x = 0; x < p_size.width; x++) {
for (int y = 0; y < p_size.height; y++) {
panorama->set_pixel(x, y, ambient_color.lerp(panorama->get_pixel(x, y), ambient_color_sky_mix));
}
}
}
return panorama;
} else {
const float bg_energy_multiplier = environment_get_bg_energy_multiplier(p_env);
Color panorama_color = ((environment_background == RS::ENV_BG_CLEAR_COLOR) ? RSG::texture_storage->get_default_clear_color() : environment_get_bg_color(p_env));
panorama_color = panorama_color.srgb_to_linear();
panorama_color.r *= bg_energy_multiplier;
panorama_color.g *= bg_energy_multiplier;
panorama_color.b *= bg_energy_multiplier;
if (use_ambient_light) {
panorama_color = ambient_color.lerp(panorama_color, ambient_color_sky_mix);
}
Ref<Image> panorama;
panorama.instantiate();
panorama->create(p_size.width, p_size.height, false, Image::FORMAT_RGBAF);
panorama->fill(panorama_color);
return panorama;
}
return Ref<Image>();
}
////////////////////////////////////////////////////////////
RID RendererSceneRenderRD::fog_volume_instance_create(RID p_fog_volume) {
return RendererRD::Fog::get_singleton()->fog_volume_instance_create(p_fog_volume);
}
void RendererSceneRenderRD::fog_volume_instance_set_transform(RID p_fog_volume_instance, const Transform3D &p_transform) {
RendererRD::Fog::FogVolumeInstance *fvi = RendererRD::Fog::get_singleton()->get_fog_volume_instance(p_fog_volume_instance);
ERR_FAIL_COND(!fvi);
fvi->transform = p_transform;
}
void RendererSceneRenderRD::fog_volume_instance_set_active(RID p_fog_volume_instance, bool p_active) {
RendererRD::Fog::FogVolumeInstance *fvi = RendererRD::Fog::get_singleton()->get_fog_volume_instance(p_fog_volume_instance);
ERR_FAIL_COND(!fvi);
fvi->active = p_active;
}
RID RendererSceneRenderRD::fog_volume_instance_get_volume(RID p_fog_volume_instance) const {
RendererRD::Fog::FogVolumeInstance *fvi = RendererRD::Fog::get_singleton()->get_fog_volume_instance(p_fog_volume_instance);
ERR_FAIL_COND_V(!fvi, RID());
return fvi->volume;
}
Vector3 RendererSceneRenderRD::fog_volume_instance_get_position(RID p_fog_volume_instance) const {
RendererRD::Fog::FogVolumeInstance *fvi = RendererRD::Fog::get_singleton()->get_fog_volume_instance(p_fog_volume_instance);
ERR_FAIL_COND_V(!fvi, Vector3());
return fvi->transform.get_origin();
}
////////////////////////////////////////////////////////////
RID RendererSceneRenderRD::reflection_atlas_create() {
ReflectionAtlas ra;
ra.count = GLOBAL_GET("rendering/reflections/reflection_atlas/reflection_count");
ra.size = GLOBAL_GET("rendering/reflections/reflection_atlas/reflection_size");
if (is_clustered_enabled()) {
ra.cluster_builder = memnew(ClusterBuilderRD);
ra.cluster_builder->set_shared(&cluster_builder_shared);
ra.cluster_builder->setup(Size2i(ra.size, ra.size), max_cluster_elements, RID(), RID(), RID());
} else {
ra.cluster_builder = nullptr;
}
return reflection_atlas_owner.make_rid(ra);
}
void RendererSceneRenderRD::reflection_atlas_set_size(RID p_ref_atlas, int p_reflection_size, int p_reflection_count) {
ReflectionAtlas *ra = reflection_atlas_owner.get_or_null(p_ref_atlas);
ERR_FAIL_COND(!ra);
if (ra->size == p_reflection_size && ra->count == p_reflection_count) {
return; //no changes
}
if (ra->cluster_builder) {
// only if we're using our cluster
ra->cluster_builder->setup(Size2i(ra->size, ra->size), max_cluster_elements, RID(), RID(), RID());
}
ra->size = p_reflection_size;
ra->count = p_reflection_count;
if (ra->reflection.is_valid()) {
//clear and invalidate everything
RD::get_singleton()->free(ra->reflection);
ra->reflection = RID();
RD::get_singleton()->free(ra->depth_buffer);
ra->depth_buffer = RID();
for (int i = 0; i < ra->reflections.size(); i++) {
ra->reflections.write[i].data.clear_reflection_data();
if (ra->reflections[i].owner.is_null()) {
continue;
}
reflection_probe_release_atlas_index(ra->reflections[i].owner);
//rp->atlasindex clear
}
ra->reflections.clear();
}
}
int RendererSceneRenderRD::reflection_atlas_get_size(RID p_ref_atlas) const {
ReflectionAtlas *ra = reflection_atlas_owner.get_or_null(p_ref_atlas);
ERR_FAIL_COND_V(!ra, 0);
return ra->size;
}
////////////////////////
RID RendererSceneRenderRD::reflection_probe_instance_create(RID p_probe) {
ReflectionProbeInstance rpi;
rpi.probe = p_probe;
rpi.forward_id = _allocate_forward_id(FORWARD_ID_TYPE_REFLECTION_PROBE);
return reflection_probe_instance_owner.make_rid(rpi);
}
void RendererSceneRenderRD::reflection_probe_instance_set_transform(RID p_instance, const Transform3D &p_transform) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND(!rpi);
rpi->transform = p_transform;
rpi->dirty = true;
}
void RendererSceneRenderRD::reflection_probe_release_atlas_index(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND(!rpi);
if (rpi->atlas.is_null()) {
return; //nothing to release
}
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_COND(!atlas);
ERR_FAIL_INDEX(rpi->atlas_index, atlas->reflections.size());
atlas->reflections.write[rpi->atlas_index].owner = RID();
rpi->atlas_index = -1;
rpi->atlas = RID();
}
bool RendererSceneRenderRD::reflection_probe_instance_needs_redraw(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, false);
if (rpi->rendering) {
return false;
}
if (rpi->dirty) {
return true;
}
if (RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS) {
return true;
}
return rpi->atlas_index == -1;
}
bool RendererSceneRenderRD::reflection_probe_instance_has_reflection(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, false);
return rpi->atlas.is_valid();
}
bool RendererSceneRenderRD::reflection_probe_instance_begin_render(RID p_instance, RID p_reflection_atlas) {
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(p_reflection_atlas);
ERR_FAIL_COND_V(!atlas, false);
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, false);
RD::get_singleton()->draw_command_begin_label("Reflection probe render");
if (RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS && atlas->reflection.is_valid() && atlas->size != 256) {
WARN_PRINT("ReflectionProbes set to UPDATE_ALWAYS must have an atlas size of 256. Please update the atlas size in the ProjectSettings.");
reflection_atlas_set_size(p_reflection_atlas, 256, atlas->count);
}
if (RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS && atlas->reflection.is_valid() && atlas->reflections[0].data.layers[0].mipmaps.size() != 8) {
// Invalidate reflection atlas, need to regenerate
RD::get_singleton()->free(atlas->reflection);
atlas->reflection = RID();
for (int i = 0; i < atlas->reflections.size(); i++) {
if (atlas->reflections[i].owner.is_null()) {
continue;
}
reflection_probe_release_atlas_index(atlas->reflections[i].owner);
}
atlas->reflections.clear();
}
if (atlas->reflection.is_null()) {
int mipmaps = MIN(sky.roughness_layers, Image::get_image_required_mipmaps(atlas->size, atlas->size, Image::FORMAT_RGBAH) + 1);
mipmaps = RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS ? 8 : mipmaps; // always use 8 mipmaps with real time filtering
{
//reflection atlas was unused, create:
RD::TextureFormat tf;
tf.array_layers = 6 * atlas->count;
tf.format = _render_buffers_get_color_format();
tf.texture_type = RD::TEXTURE_TYPE_CUBE_ARRAY;
tf.mipmaps = mipmaps;
tf.width = atlas->size;
tf.height = atlas->size;
tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | (_render_buffers_can_be_storage() ? RD::TEXTURE_USAGE_STORAGE_BIT : 0);
atlas->reflection = RD::get_singleton()->texture_create(tf, RD::TextureView());
}
{
RD::TextureFormat tf;
tf.format = RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_D32_SFLOAT, RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ? RD::DATA_FORMAT_D32_SFLOAT : RD::DATA_FORMAT_X8_D24_UNORM_PACK32;
tf.width = atlas->size;
tf.height = atlas->size;
tf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT;
atlas->depth_buffer = RD::get_singleton()->texture_create(tf, RD::TextureView());
}
atlas->reflections.resize(atlas->count);
for (int i = 0; i < atlas->count; i++) {
atlas->reflections.write[i].data.update_reflection_data(atlas->size, mipmaps, false, atlas->reflection, i * 6, RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS, sky.roughness_layers, _render_buffers_get_color_format());
for (int j = 0; j < 6; j++) {
atlas->reflections.write[i].fbs[j] = reflection_probe_create_framebuffer(atlas->reflections.write[i].data.layers[0].mipmaps[0].views[j], atlas->depth_buffer);
}
}
Vector<RID> fb;
fb.push_back(atlas->depth_buffer);
atlas->depth_fb = RD::get_singleton()->framebuffer_create(fb);
}
if (rpi->atlas_index == -1) {
for (int i = 0; i < atlas->reflections.size(); i++) {
if (atlas->reflections[i].owner.is_null()) {
rpi->atlas_index = i;
break;
}
}
//find the one used last
if (rpi->atlas_index == -1) {
//everything is in use, find the one least used via LRU
uint64_t pass_min = 0;
for (int i = 0; i < atlas->reflections.size(); i++) {
ReflectionProbeInstance *rpi2 = reflection_probe_instance_owner.get_or_null(atlas->reflections[i].owner);
if (rpi2->last_pass < pass_min) {
pass_min = rpi2->last_pass;
rpi->atlas_index = i;
}
}
}
}
if (rpi->atlas_index != -1) { // should we fail if this is still -1 ?
atlas->reflections.write[rpi->atlas_index].owner = p_instance;
}
rpi->atlas = p_reflection_atlas;
rpi->rendering = true;
rpi->dirty = false;
rpi->processing_layer = 1;
rpi->processing_side = 0;
RD::get_singleton()->draw_command_end_label();
return true;
}
RID RendererSceneRenderRD::reflection_probe_create_framebuffer(RID p_color, RID p_depth) {
Vector<RID> fb;
fb.push_back(p_color);
fb.push_back(p_depth);
return RD::get_singleton()->framebuffer_create(fb);
}
bool RendererSceneRenderRD::reflection_probe_instance_postprocess_step(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, false);
ERR_FAIL_COND_V(!rpi->rendering, false);
ERR_FAIL_COND_V(rpi->atlas.is_null(), false);
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
if (!atlas || rpi->atlas_index == -1) {
//does not belong to an atlas anymore, cancel (was removed from atlas or atlas changed while rendering)
rpi->rendering = false;
return false;
}
if (RSG::light_storage->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS) {
// Using real time reflections, all roughness is done in one step
atlas->reflections.write[rpi->atlas_index].data.create_reflection_fast_filter(false);
rpi->rendering = false;
rpi->processing_side = 0;
rpi->processing_layer = 1;
return true;
}
if (rpi->processing_layer > 1) {
atlas->reflections.write[rpi->atlas_index].data.create_reflection_importance_sample(false, 10, rpi->processing_layer, sky.sky_ggx_samples_quality);
rpi->processing_layer++;
if (rpi->processing_layer == atlas->reflections[rpi->atlas_index].data.layers[0].mipmaps.size()) {
rpi->rendering = false;
rpi->processing_side = 0;
rpi->processing_layer = 1;
return true;
}
return false;
} else {
atlas->reflections.write[rpi->atlas_index].data.create_reflection_importance_sample(false, rpi->processing_side, rpi->processing_layer, sky.sky_ggx_samples_quality);
}
rpi->processing_side++;
if (rpi->processing_side == 6) {
rpi->processing_side = 0;
rpi->processing_layer++;
}
return false;
}
uint32_t RendererSceneRenderRD::reflection_probe_instance_get_resolution(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, 0);
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_COND_V(!atlas, 0);
return atlas->size;
}
RID RendererSceneRenderRD::reflection_probe_instance_get_framebuffer(RID p_instance, int p_index) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, RID());
ERR_FAIL_INDEX_V(p_index, 6, RID());
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_COND_V(!atlas, RID());
return atlas->reflections[rpi->atlas_index].fbs[p_index];
}
RID RendererSceneRenderRD::reflection_probe_instance_get_depth_framebuffer(RID p_instance, int p_index) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_COND_V(!rpi, RID());
ERR_FAIL_INDEX_V(p_index, 6, RID());
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_COND_V(!atlas, RID());
return atlas->depth_fb;
}
///////////////////////////////////////////////////////////
RID RendererSceneRenderRD::shadow_atlas_create() {
return shadow_atlas_owner.make_rid(ShadowAtlas());
}
void RendererSceneRenderRD::_update_shadow_atlas(ShadowAtlas *shadow_atlas) {
if (shadow_atlas->size > 0 && shadow_atlas->depth.is_null()) {
RD::TextureFormat tf;
tf.format = shadow_atlas->use_16_bits ? RD::DATA_FORMAT_D16_UNORM : RD::DATA_FORMAT_D32_SFLOAT;
tf.width = shadow_atlas->size;
tf.height = shadow_atlas->size;
tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
shadow_atlas->depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
Vector<RID> fb_tex;
fb_tex.push_back(shadow_atlas->depth);
shadow_atlas->fb = RD::get_singleton()->framebuffer_create(fb_tex);
}
}
void RendererSceneRenderRD::shadow_atlas_set_size(RID p_atlas, int p_size, bool p_16_bits) {
ShadowAtlas *shadow_atlas = shadow_atlas_owner.get_or_null(p_atlas);
ERR_FAIL_COND(!shadow_atlas);
ERR_FAIL_COND(p_size < 0);
p_size = next_power_of_2(p_size);
if (p_size == shadow_atlas->size && p_16_bits == shadow_atlas->use_16_bits) {
return;
}
// erasing atlas
if (shadow_atlas->depth.is_valid()) {
RD::get_singleton()->free(shadow_atlas->depth);
shadow_atlas->depth = RID();
}
for (int i = 0; i < 4; i++) {
//clear subdivisions
shadow_atlas->quadrants[i].shadows.clear();
shadow_atlas->quadrants[i].shadows.resize(1 << shadow_atlas->quadrants[i].subdivision);
}
//erase shadow atlas reference from lights
for (const KeyValue<RID, uint32_t> &E : shadow_atlas->shadow_owners) {
LightInstance *li = light_instance_owner.get_or_null(E.key);
ERR_CONTINUE(!li);
li->shadow_atlases.erase(p_atlas);
}
//clear owners
shadow_atlas->shadow_owners.clear();
shadow_atlas->size = p_size;
shadow_atlas->use_16_bits = p_16_bits;
}
void RendererSceneRenderRD::shadow_atlas_set_quadrant_subdivision(RID p_atlas, int p_quadrant, int p_subdivision) {
ShadowAtlas *shadow_atlas = shadow_atlas_owner.get_or_null(p_atlas);
ERR_FAIL_COND(!shadow_atlas);
ERR_FAIL_INDEX(p_quadrant, 4);
ERR_FAIL_INDEX(p_subdivision, 16384);
uint32_t subdiv = next_power_of_2(p_subdivision);
if (subdiv & 0xaaaaaaaa) { //sqrt(subdiv) must be integer
subdiv <<= 1;
}
subdiv = int(Math::sqrt((float)subdiv));
//obtain the number that will be x*x
if (shadow_atlas->quadrants[p_quadrant].subdivision == subdiv) {
return;
}
//erase all data from quadrant
for (int i = 0; i < shadow_atlas->quadrants[p_quadrant].shadows.size(); i++) {
if (shadow_atlas->quadrants[p_quadrant].shadows[i].owner.is_valid()) {
shadow_atlas->shadow_owners.erase(shadow_atlas->quadrants[p_quadrant].shadows[i].owner);
LightInstance *li = light_instance_owner.get_or_null(shadow_atlas->quadrants[p_quadrant].shadows[i].owner);
ERR_CONTINUE(!li);
li->shadow_atlases.erase(p_atlas);
}
}
shadow_atlas->quadrants[p_quadrant].shadows.clear();
shadow_atlas->quadrants[p_quadrant].shadows.resize(subdiv * subdiv);
shadow_atlas->quadrants[p_quadrant].subdivision = subdiv;
//cache the smallest subdiv (for faster allocation in light update)
shadow_atlas->smallest_subdiv = 1 << 30;
for (int i = 0; i < 4; i++) {
if (shadow_atlas->quadrants[i].subdivision) {
shadow_atlas->smallest_subdiv = MIN(shadow_atlas->smallest_subdiv, shadow_atlas->quadrants[i].subdivision);
}
}
if (shadow_atlas->smallest_subdiv == 1 << 30) {
shadow_atlas->smallest_subdiv = 0;
}
//resort the size orders, simple bublesort for 4 elements..
int swaps = 0;
do {
swaps = 0;
for (int i = 0; i < 3; i++) {
if (shadow_atlas->quadrants[shadow_atlas->size_order[i]].subdivision < shadow_atlas->quadrants[shadow_atlas->size_order[i + 1]].subdivision) {
SWAP(shadow_atlas->size_order[i], shadow_atlas->size_order[i + 1]);
swaps++;
}
}
} while (swaps > 0);
}
bool RendererSceneRenderRD::_shadow_atlas_find_shadow(ShadowAtlas *shadow_atlas, int *p_in_quadrants, int p_quadrant_count, int p_current_subdiv, uint64_t p_tick, int &r_quadrant, int &r_shadow) {
for (int i = p_quadrant_count - 1; i >= 0; i--) {
int qidx = p_in_quadrants[i];
if (shadow_atlas->quadrants[qidx].subdivision == (uint32_t)p_current_subdiv) {
return false;
}
//look for an empty space
int sc = shadow_atlas->quadrants[qidx].shadows.size();
const ShadowAtlas::Quadrant::Shadow *sarr = shadow_atlas->quadrants[qidx].shadows.ptr();
int found_free_idx = -1; //found a free one
int found_used_idx = -1; //found existing one, must steal it
uint64_t min_pass = 0; // pass of the existing one, try to use the least recently used one (LRU fashion)
for (int j = 0; j < sc; j++) {
if (!sarr[j].owner.is_valid()) {
found_free_idx = j;
break;
}
LightInstance *sli = light_instance_owner.get_or_null(sarr[j].owner);
ERR_CONTINUE(!sli);
if (sli->last_scene_pass != scene_pass) {
//was just allocated, don't kill it so soon, wait a bit..
if (p_tick - sarr[j].alloc_tick < shadow_atlas_realloc_tolerance_msec) {
continue;
}
if (found_used_idx == -1 || sli->last_scene_pass < min_pass) {
found_used_idx = j;
min_pass = sli->last_scene_pass;
}
}
}
if (found_free_idx == -1 && found_used_idx == -1) {
continue; //nothing found
}
if (found_free_idx == -1 && found_used_idx != -1) {
found_free_idx = found_used_idx;
}
r_quadrant = qidx;
r_shadow = found_free_idx;
return true;
}
return false;
}
bool RendererSceneRenderRD::_shadow_atlas_find_omni_shadows(ShadowAtlas *shadow_atlas, int *p_in_quadrants, int p_quadrant_count, int p_current_subdiv, uint64_t p_tick, int &r_quadrant, int &r_shadow) {
for (int i = p_quadrant_count - 1; i >= 0; i--) {
int qidx = p_in_quadrants[i];
if (shadow_atlas->quadrants[qidx].subdivision == (uint32_t)p_current_subdiv) {
return false;
}
//look for an empty space
int sc = shadow_atlas->quadrants[qidx].shadows.size();
const ShadowAtlas::Quadrant::Shadow *sarr = shadow_atlas->quadrants[qidx].shadows.ptr();
int found_idx = -1;
uint64_t min_pass = 0; // sum of currently selected spots, try to get the least recently used pair
for (int j = 0; j < sc - 1; j++) {
uint64_t pass = 0;
if (sarr[j].owner.is_valid()) {
LightInstance *sli = light_instance_owner.get_or_null(sarr[j].owner);
ERR_CONTINUE(!sli);
if (sli->last_scene_pass == scene_pass) {
continue;
}
//was just allocated, don't kill it so soon, wait a bit..
if (p_tick - sarr[j].alloc_tick < shadow_atlas_realloc_tolerance_msec) {
continue;
}
pass += sli->last_scene_pass;
}
if (sarr[j + 1].owner.is_valid()) {
LightInstance *sli = light_instance_owner.get_or_null(sarr[j + 1].owner);
ERR_CONTINUE(!sli);
if (sli->last_scene_pass == scene_pass) {
continue;
}
//was just allocated, don't kill it so soon, wait a bit..
if (p_tick - sarr[j + 1].alloc_tick < shadow_atlas_realloc_tolerance_msec) {
continue;
}
pass += sli->last_scene_pass;
}
if (found_idx == -1 || pass < min_pass) {
found_idx = j;
min_pass = pass;
// we found two empty spots, no need to check the rest
if (pass == 0) {
break;
}
}
}
if (found_idx == -1) {
continue; //nothing found
}
r_quadrant = qidx;
r_shadow = found_idx;
return true;
}
return false;
}
bool RendererSceneRenderRD::shadow_atlas_update_light(RID p_atlas, RID p_light_instance, float p_coverage, uint64_t p_light_version) {
ShadowAtlas *shadow_atlas = shadow_atlas_owner.get_or_null(p_atlas);
ERR_FAIL_COND_V(!shadow_atlas, false);
LightInstance *li = light_instance_owner.get_or_null(p_light_instance);
ERR_FAIL_COND_V(!li, false);
if (shadow_atlas->size == 0 || shadow_atlas->smallest_subdiv == 0) {
return false;
}
uint32_t quad_size = shadow_atlas->size >> 1;
int desired_fit = MIN(quad_size / shadow_atlas->smallest_subdiv, next_power_of_2(quad_size * p_coverage));
int valid_quadrants[4];
int valid_quadrant_count = 0;
int best_size = -1; //best size found
int best_subdiv = -1; //subdiv for the best size
//find the quadrants this fits into, and the best possible size it can fit into
for (int i = 0; i < 4; i++) {
int q = shadow_atlas->size_order[i];
int sd = shadow_atlas->quadrants[q].subdivision;
if (sd == 0) {
continue; //unused
}
int max_fit = quad_size / sd;
if (best_size != -1 && max_fit > best_size) {
break; //too large
}
valid_quadrants[valid_quadrant_count++] = q;
best_subdiv = sd;
if (max_fit >= desired_fit) {
best_size = max_fit;
}
}
ERR_FAIL_COND_V(valid_quadrant_count == 0, false);
uint64_t tick = OS::get_singleton()->get_ticks_msec();
uint32_t old_key = ShadowAtlas::SHADOW_INVALID;
uint32_t old_quadrant = ShadowAtlas::SHADOW_INVALID;
uint32_t old_shadow = ShadowAtlas::SHADOW_INVALID;
int old_subdivision = -1;
bool should_realloc = false;
bool should_redraw = false;
if (shadow_atlas->shadow_owners.has(p_light_instance)) {
old_key = shadow_atlas->shadow_owners[p_light_instance];
old_quadrant = (old_key >> ShadowAtlas::QUADRANT_SHIFT) & 0x3;
old_shadow = old_key & ShadowAtlas::SHADOW_INDEX_MASK;
should_realloc = shadow_atlas->quadrants[old_quadrant].subdivision != (uint32_t)best_subdiv && (shadow_atlas->quadrants[old_quadrant].shadows[old_shadow].alloc_tick - tick > shadow_atlas_realloc_tolerance_msec);
should_redraw = shadow_atlas->quadrants[old_quadrant].shadows[old_shadow].version != p_light_version;
if (!should_realloc) {
shadow_atlas->quadrants[old_quadrant].shadows.write[old_shadow].version = p_light_version;
//already existing, see if it should redraw or it's just OK
return should_redraw;
}
old_subdivision = shadow_atlas->quadrants[old_quadrant].subdivision;
}
bool is_omni = li->light_type == RS::LIGHT_OMNI;
bool found_shadow = false;
int new_quadrant = -1;
int new_shadow = -1;
if (is_omni) {
found_shadow = _shadow_atlas_find_omni_shadows(shadow_atlas, valid_quadrants, valid_quadrant_count, old_subdivision, tick, new_quadrant, new_shadow);
} else {
found_shadow = _shadow_atlas_find_shadow(shadow_atlas, valid_quadrants, valid_quadrant_count, old_subdivision, tick, new_quadrant, new_shadow);
}
if (found_shadow) {
if (old_quadrant != ShadowAtlas::SHADOW_INVALID) {
shadow_atlas->quadrants[old_quadrant].shadows.write[old_shadow].version = 0;
shadow_atlas->quadrants[old_quadrant].shadows.write[old_shadow].owner = RID();
if (old_key & ShadowAtlas::OMNI_LIGHT_FLAG) {
shadow_atlas->quadrants[old_quadrant].shadows.write[old_shadow + 1].version = 0;
shadow_atlas->quadrants[old_quadrant].shadows.write[old_shadow + 1].owner = RID();
}
}
uint32_t new_key = new_quadrant << ShadowAtlas::QUADRANT_SHIFT;
new_key |= new_shadow;
ShadowAtlas::Quadrant::Shadow *sh = &shadow_atlas->quadrants[new_quadrant].shadows.write[new_shadow];
_shadow_atlas_invalidate_shadow(sh, p_atlas, shadow_atlas, new_quadrant, new_shadow);
sh->owner = p_light_instance;
sh->alloc_tick = tick;
sh->version = p_light_version;
if (is_omni) {
new_key |= ShadowAtlas::OMNI_LIGHT_FLAG;
int new_omni_shadow = new_shadow + 1;
ShadowAtlas::Quadrant::Shadow *extra_sh = &shadow_atlas->quadrants[new_quadrant].shadows.write[new_omni_shadow];
_shadow_atlas_invalidate_shadow(extra_sh, p_atlas, shadow_atlas, new_quadrant, new_omni_shadow);
extra_sh->owner = p_light_instance;
extra_sh->alloc_tick = tick;
extra_sh->version = p_light_version;
}
li->shadow_atlases.insert(p_atlas);
//update it in map
shadow_atlas->shadow_owners[p_light_instance] = new_key;
//make it dirty, as it should redraw anyway
return true;
}
return should_redraw;
}
void RendererSceneRenderRD::_shadow_atlas_invalidate_shadow(RendererSceneRenderRD::ShadowAtlas::Quadrant::Shadow *p_shadow, RID p_atlas, RendererSceneRenderRD::ShadowAtlas *p_shadow_atlas, uint32_t p_quadrant, uint32_t p_shadow_idx) {
if (p_shadow->owner.is_valid()) {
LightInstance *sli = light_instance_owner.get_or_null(p_shadow->owner);
uint32_t old_key = p_shadow_atlas->shadow_owners[p_shadow->owner];
if (old_key & ShadowAtlas::OMNI_LIGHT_FLAG) {
uint32_t s = old_key & ShadowAtlas::SHADOW_INDEX_MASK;
uint32_t omni_shadow_idx = p_shadow_idx + (s == (uint32_t)p_shadow_idx ? 1 : -1);