summaryrefslogtreecommitdiff
path: root/indra/newview/pipeline.h
blob: 6580c6216c74d9f09403d610f1f86c702bf75271 (plain)
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
/** 
 * @file pipeline.h
 * @brief Rendering pipeline definitions
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library 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 Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_PIPELINE_H
#define LL_PIPELINE_H

#include "llcamera.h"
#include "llerror.h"
#include "lldrawpool.h"
#include "llspatialpartition.h"
#include "m4math.h"
#include "llpointer.h"
#include "lldrawpoolalpha.h"
#include "lldrawpoolmaterials.h"
#include "llgl.h"
#include "lldrawable.h"
#include "llrendertarget.h"

#include <stack>

class LLViewerTexture;
class LLFace;
class LLViewerObject;
class LLTextureEntry;
class LLCullResult;
class LLVOAvatar;
class LLVOPartGroup;
class LLGLSLShader;
class LLDrawPoolAlpha;

typedef enum e_avatar_skinning_method
{
	SKIN_METHOD_SOFTWARE,
	SKIN_METHOD_VERTEX_PROGRAM
} EAvatarSkinningMethod;

bool compute_min_max(LLMatrix4& box, LLVector2& min, LLVector2& max); // Shouldn't be defined here!
bool LLRayAABB(const LLVector3 &center, const LLVector3 &size, const LLVector3& origin, const LLVector3& dir, LLVector3 &coord, F32 epsilon = 0);
bool setup_hud_matrices(); // use whole screen to render hud
bool setup_hud_matrices(const LLRect& screen_region); // specify portion of screen (in pixels) to render hud attachments from (for picking)


extern LLTrace::BlockTimerStatHandle FTM_RENDER_GEOMETRY;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_GRASS;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_INVISIBLE;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_SHINY;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_SIMPLE;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_TERRAIN;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_TREES;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_UI;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_WATER;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_WL_SKY;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_ALPHA;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_CHARACTERS;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_BUMP;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_MATERIALS;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_FULLBRIGHT;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_GLOW;
extern LLTrace::BlockTimerStatHandle FTM_STATESORT;
extern LLTrace::BlockTimerStatHandle FTM_PIPELINE;
extern LLTrace::BlockTimerStatHandle FTM_CLIENT_COPY;

extern LLTrace::BlockTimerStatHandle FTM_RENDER_UI_HUD;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_UI_3D;
extern LLTrace::BlockTimerStatHandle FTM_RENDER_UI_2D;

class LLPipeline
{
public:
	LLPipeline();
	~LLPipeline();

	void destroyGL();
	void restoreGL();
	void resetVertexBuffers();
	void doResetVertexBuffers(bool forced = false);
    void requestResizeScreenTexture(); // set flag only, no work, safer for callbacks...
    void requestResizeShadowTexture(); // set flag only, no work, safer for callbacks...

	void resizeScreenTexture();
    void resizeShadowTexture();

	void releaseGLBuffers();
	void releaseLUTBuffers();
	void releaseScreenBuffers();
    void releaseShadowBuffers();

	void createGLBuffers();
	void createLUTBuffers();

	//allocate the largest screen buffer possible up to resX, resY
	//returns true if full size buffer allocated, false if some other size is allocated
	bool allocateScreenBuffer(U32 resX, U32 resY);

	typedef enum {
		FBO_SUCCESS_FULLRES = 0,
		FBO_SUCCESS_LOWRES,
		FBO_FAILURE
	} eFBOStatus;

private:
	//implementation of above, wrapped for easy error handling
	eFBOStatus doAllocateScreenBuffer(U32 resX, U32 resY);
public:

	//attempt to allocate screen buffers at resX, resY
	//returns true if allocation successful, false otherwise
	bool allocateScreenBuffer(U32 resX, U32 resY, U32 samples);
    bool allocateShadowBuffer(U32 resX, U32 resY);

	void allocatePhysicsBuffer();
	
	void resetVertexBuffers(LLDrawable* drawable);
	void generateImpostor(LLVOAvatar* avatar, bool preview_avatar = false);
	void bindScreenToTexture();
	void renderFinalize();

	void init();
	void cleanup();
	bool isInit() { return mInitialized; };

	/// @brief Get a draw pool from pool type (POOL_SIMPLE, POOL_MEDIA) and texture.
	/// @return Draw pool, or NULL if not found.
	LLDrawPool *findPool(const U32 pool_type, LLViewerTexture *tex0 = NULL);

	/// @brief Get a draw pool for faces of the appropriate type and texture.  Create if necessary.
	/// @return Always returns a draw pool.
	LLDrawPool *getPool(const U32 pool_type, LLViewerTexture *tex0 = NULL);

	/// @brief Figures out draw pool type from texture entry. Creates pool if necessary.
	static LLDrawPool* getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* te_image);
	static U32 getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep);

	void		 addPool(LLDrawPool *poolp);	// Only to be used by LLDrawPool classes for splitting pools!
	void		 removePool( LLDrawPool* poolp );

	void		 allocDrawable(LLViewerObject *obj);

	void		 unlinkDrawable(LLDrawable*);

	static void removeMutedAVsLights(LLVOAvatar*);

	// Object related methods
	void        markVisible(LLDrawable *drawablep, LLCamera& camera);
	void		markOccluder(LLSpatialGroup* group);

	//downsample source to dest, taking the maximum depth value per pixel in source and writing to dest
	// if source's depth buffer cannot be bound for reading, a scratch space depth buffer must be provided
	void		downsampleDepthBuffer(LLRenderTarget& source, LLRenderTarget& dest, LLRenderTarget* scratch_space = NULL);

	void		doOcclusion(LLCamera& camera, LLRenderTarget& source, LLRenderTarget& dest, LLRenderTarget* scratch_space = NULL);
	void		doOcclusion(LLCamera& camera);
	void		markNotCulled(LLSpatialGroup* group, LLCamera &camera);
	void        markMoved(LLDrawable *drawablep, bool damped_motion = false);
	void        markShift(LLDrawable *drawablep);
	void        markTextured(LLDrawable *drawablep);
	void		markGLRebuild(LLGLUpdate* glu);
	void		markRebuild(LLSpatialGroup* group, bool priority = false);
	void        markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag = LLDrawable::REBUILD_ALL, bool priority = false);
	void		markPartitionMove(LLDrawable* drawablep);
	void		markMeshDirty(LLSpatialGroup* group);

	//get the object between start and end that's closest to start.
	LLViewerObject* lineSegmentIntersectInWorld(const LLVector4a& start, const LLVector4a& end,
												bool pick_transparent,
												bool pick_rigged,
												S32* face_hit,                          // return the face hit
												LLVector4a* intersection = NULL,         // return the intersection point
												LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
												LLVector4a* normal = NULL,               // return the surface normal at the intersection point
												LLVector4a* tangent = NULL             // return the surface tangent at the intersection point  
		);

	//get the closest particle to start between start and end, returns the LLVOPartGroup and particle index
	LLVOPartGroup* lineSegmentIntersectParticle(const LLVector4a& start, const LLVector4a& end, LLVector4a* intersection,
														S32* face_hit);


	LLViewerObject* lineSegmentIntersectInHUD(const LLVector4a& start, const LLVector4a& end,
											  bool pick_transparent,
											  S32* face_hit,                          // return the face hit
											  LLVector4a* intersection = NULL,         // return the intersection point
											  LLVector2* tex_coord = NULL,            // return the texture coordinates of the intersection point
											  LLVector4a* normal = NULL,               // return the surface normal at the intersection point
											  LLVector4a* tangent = NULL             // return the surface tangent at the intersection point
		);

	// Something about these textures has changed.  Dirty them.
	void        dirtyPoolObjectTextures(const std::set<LLViewerFetchedTexture*>& textures);

	void        resetDrawOrders();

	U32         addObject(LLViewerObject *obj);

	void		enableShadows(const bool enable_shadows);
    void        releaseShadowTargets();
    void        releaseShadowTarget(U32 index);

// 	void		setLocalLighting(const bool local_lighting);
// 	bool		isLocalLightingEnabled() const;
	S32			setLightingDetail(S32 level);
	S32			getLightingDetail() const { return mLightingDetail; }
	S32			getMaxLightingDetail() const;
		
	bool		shadersLoaded();
	bool		canUseWindLightShaders() const;
	bool		canUseWindLightShadersOnObjects() const;
	bool		canUseAntiAliasing() const;

	// phases
	void resetFrameStats();

	void updateMoveDampedAsync(LLDrawable* drawablep);
	void updateMoveNormalAsync(LLDrawable* drawablep);
	void updateMovedList(LLDrawable::drawable_vector_t& move_list);
	void updateMove();
	bool visibleObjectsInFrustum(LLCamera& camera);
	bool getVisibleExtents(LLCamera& camera, LLVector3 &min, LLVector3& max);
	bool getVisiblePointCloud(LLCamera& camera, LLVector3 &min, LLVector3& max, std::vector<LLVector3>& fp, LLVector3 light_dir = LLVector3(0,0,0));
	void updateCull(LLCamera& camera, LLCullResult& result, LLPlane* plane = NULL);  //if water_clip is 0, ignore water plane, 1, cull to above plane, -1, cull to below plane
	void createObjects(F32 max_dtime);
	void createObject(LLViewerObject* vobj);
	void processPartitionQ();
	void updateGeom(F32 max_dtime);
	void updateGL();
	void rebuildPriorityGroups();
	void rebuildGroups();
	void clearRebuildGroups();
	void clearRebuildDrawables();

	//calculate pixel area of given box from vantage point of given camera
	static F32 calcPixelArea(LLVector3 center, LLVector3 size, LLCamera& camera);
	static F32 calcPixelArea(const LLVector4a& center, const LLVector4a& size, LLCamera &camera);

	void stateSort(LLCamera& camera, LLCullResult& result);
	void stateSort(LLSpatialGroup* group, LLCamera& camera);
	void stateSort(LLSpatialBridge* bridge, LLCamera& camera, BOOL fov_changed = FALSE);
	void stateSort(LLDrawable* drawablep, LLCamera& camera);
	void postSort(LLCamera& camera);
    
    //update stats for textures in given DrawInfo
    void touchTextures(LLDrawInfo* info);
    void touchTexture(LLViewerTexture* tex, F32 vsize);

	void forAllVisibleDrawables(void (*func)(LLDrawable*));

    void renderObjects(U32 type, U32 mask, bool texture = true, bool batch_texture = false, bool rigged = false);
    void renderAlphaObjects(U32 mask, bool texture = true, bool batch_texture = false, bool rigged = false);
	void renderMaskedObjects(U32 type, U32 mask, bool texture = true, bool batch_texture = false, bool rigged = false);
    void renderFullbrightMaskedObjects(U32 type, U32 mask, bool texture = true, bool batch_texture = false, bool rigged = false);

	void renderGroups(LLRenderPass* pass, U32 type, U32 mask, bool texture);
    void renderRiggedGroups(LLRenderPass* pass, U32 type, U32 mask, bool texture);

	void grabReferences(LLCullResult& result);
	void clearReferences();

	//check references will assert that there are no references in sCullResult to the provided data
	void checkReferences(LLFace* face);
	void checkReferences(LLDrawable* drawable);
	void checkReferences(LLDrawInfo* draw_info);
	void checkReferences(LLSpatialGroup* group);


	void renderGeom(LLCamera& camera, bool forceVBOUpdate = false);
	void renderGeomDeferred(LLCamera& camera);
	void renderGeomPostDeferred(LLCamera& camera, bool do_occlusion=true);
	void renderGeomShadow(LLCamera& camera);
	void bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_target = nullptr);
	void setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep);

	void unbindDeferredShader(LLGLSLShader& shader);
	void renderDeferredLighting(LLRenderTarget* light_target);
	void postDeferredGammaCorrect(LLRenderTarget* screen_target);

	void generateWaterReflection(LLCamera& camera);
	void generateSunShadow(LLCamera& camera);
    LLRenderTarget* getShadowTarget(U32 i);

	void generateHighlight(LLCamera& camera);
	void renderHighlight(const LLViewerObject* obj, F32 fade);
	void setHighlightObject(LLDrawable* obj) { mHighlightObject = obj; }


	void renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera& camera, LLCullResult& result, bool use_shader, bool use_occlusion, U32 target_width);
	void renderHighlights();
	void renderDebug();
	void renderPhysicsDisplay();

	void rebuildPools(); // Rebuild pools

	void findReferences(LLDrawable *drawablep);	// Find the lists which have references to this object
	bool verify();						// Verify that all data in the pipeline is "correct"

	S32  getLightCount() const { return mLights.size(); }

	void calcNearbyLights(LLCamera& camera);
	void setupHWLights(LLDrawPool* pool);
	void setupAvatarLights(bool for_edit = false);
	void enableLights(U32 mask);
	void enableLightsStatic();
	void enableLightsDynamic();
	void enableLightsAvatar();
	void enableLightsPreview();
	void enableLightsAvatarEdit(const LLColor4& color);
	void enableLightsFullbright();
	void disableLights();

	void shiftObjects(const LLVector3 &offset);

	void setLight(LLDrawable *drawablep, bool is_light);
	
	bool hasRenderBatches(const U32 type) const;
	LLCullResult::drawinfo_iterator beginRenderMap(U32 type);
	LLCullResult::drawinfo_iterator endRenderMap(U32 type);
	LLCullResult::sg_iterator beginAlphaGroups();
	LLCullResult::sg_iterator endAlphaGroups();
    LLCullResult::sg_iterator beginRiggedAlphaGroups();
    LLCullResult::sg_iterator endRiggedAlphaGroups();
	

	void addTrianglesDrawn(S32 index_count, U32 render_type = LLRender::TRIANGLES);

	bool hasRenderDebugFeatureMask(const U32 mask) const	{ return bool(mRenderDebugFeatureMask & mask); }
	bool hasRenderDebugMask(const U64 mask) const			{ return bool(mRenderDebugMask & mask); }
	void setAllRenderDebugFeatures() { mRenderDebugFeatureMask = 0xffffffff; }
	void clearAllRenderDebugFeatures() { mRenderDebugFeatureMask = 0x0; }
	void setAllRenderDebugDisplays() { mRenderDebugMask = 0xffffffffffffffff; }
	void clearAllRenderDebugDisplays() { mRenderDebugMask = 0x0; }

	bool hasRenderType(const U32 type) const;
	bool hasAnyRenderType(const U32 type, ...) const;

	void setRenderTypeMask(U32 type, ...);
	// This is equivalent to 'setRenderTypeMask'
	//void orRenderTypeMask(U32 type, ...);
	void andRenderTypeMask(U32 type, ...);
	void clearRenderTypeMask(U32 type, ...);
	void setAllRenderTypes();
	void clearAllRenderTypes();
	
	void pushRenderTypeMask();
	void popRenderTypeMask();

	void pushRenderDebugFeatureMask();
	void popRenderDebugFeatureMask();

	static void toggleRenderType(U32 type);

	// For UI control of render features
	static bool hasRenderTypeControl(U32 data);
	static void toggleRenderDebug(U64 data);
	static void toggleRenderDebugFeature(U32 data);
	static void toggleRenderTypeControl(U32 data);
	static bool toggleRenderTypeControlNegated(S32 data);
	static bool toggleRenderDebugControl(U64 data);
	static bool toggleRenderDebugFeatureControl(U32 data);
	static void setRenderDebugFeatureControl(U32 bit, bool value);

	static void setRenderParticleBeacons(bool val);
	static void toggleRenderParticleBeacons();
	static bool getRenderParticleBeacons();

	static void setRenderSoundBeacons(bool val);
	static void toggleRenderSoundBeacons();
	static bool getRenderSoundBeacons();

	static void setRenderMOAPBeacons(bool val);
	static void toggleRenderMOAPBeacons();
	static bool getRenderMOAPBeacons();

	static void setRenderPhysicalBeacons(bool val);
	static void toggleRenderPhysicalBeacons();
	static bool getRenderPhysicalBeacons();

	static void setRenderScriptedBeacons(bool val);
	static void toggleRenderScriptedBeacons();
	static bool getRenderScriptedBeacons();

	static void setRenderScriptedTouchBeacons(bool val);
	static void toggleRenderScriptedTouchBeacons();
	static bool getRenderScriptedTouchBeacons();

	static void setRenderBeacons(bool val);
	static void toggleRenderBeacons();
	static bool getRenderBeacons();

	static void setRenderHighlights(bool val);
	static void toggleRenderHighlights();
	static bool getRenderHighlights();
	static void setRenderHighlightTextureChannel(LLRender::eTexIndex channel); // sets which UV setup to display in highlight overlay

	static void updateRenderTransparentWater();
	static void updateRenderBump();
	static void updateRenderDeferred();
	static void refreshCachedSettings();

	void addDebugBlip(const LLVector3& position, const LLColor4& color);

	void hidePermanentObjects( std::vector<U32>& restoreList );
	void restorePermanentObjects( const std::vector<U32>& restoreList );
	void skipRenderingOfTerrain( bool flag );
	void hideObject( const LLUUID& id );
	void restoreHiddenObject( const LLUUID& id );
    void handleShadowDetailChanged();

private:
	void unloadShaders();
	void addToQuickLookup( LLDrawPool* new_poolp );
	void removeFromQuickLookup( LLDrawPool* poolp );
	bool updateDrawableGeom(LLDrawable* drawable, bool priority);
	void assertInitializedDoError();
	bool assertInitialized() { const bool is_init = isInit(); if (!is_init) assertInitializedDoError(); return is_init; };
	void connectRefreshCachedSettingsSafe(const std::string name);
	void hideDrawable( LLDrawable *pDrawable );
	void unhideDrawable( LLDrawable *pDrawable );
    void skipRenderingShadows();
public:
	enum {GPU_CLASS_MAX = 3 };

	enum LLRenderTypeMask
	{
		// Following are pool types (some are also object types)
		RENDER_TYPE_SKY							= LLDrawPool::POOL_SKY,
		RENDER_TYPE_WL_SKY						= LLDrawPool::POOL_WL_SKY,
		RENDER_TYPE_GROUND						= LLDrawPool::POOL_GROUND,	
		RENDER_TYPE_TERRAIN						= LLDrawPool::POOL_TERRAIN,
		RENDER_TYPE_SIMPLE						= LLDrawPool::POOL_SIMPLE,
		RENDER_TYPE_GRASS						= LLDrawPool::POOL_GRASS,
		RENDER_TYPE_ALPHA_MASK					= LLDrawPool::POOL_ALPHA_MASK,
		RENDER_TYPE_FULLBRIGHT_ALPHA_MASK		= LLDrawPool::POOL_FULLBRIGHT_ALPHA_MASK,
		RENDER_TYPE_FULLBRIGHT					= LLDrawPool::POOL_FULLBRIGHT,
		RENDER_TYPE_BUMP						= LLDrawPool::POOL_BUMP,
		RENDER_TYPE_MATERIALS					= LLDrawPool::POOL_MATERIALS,
		RENDER_TYPE_AVATAR						= LLDrawPool::POOL_AVATAR,
		RENDER_TYPE_CONTROL_AV					= LLDrawPool::POOL_CONTROL_AV, // Animesh
		RENDER_TYPE_TREE						= LLDrawPool::POOL_TREE,
		RENDER_TYPE_INVISIBLE					= LLDrawPool::POOL_INVISIBLE,
		RENDER_TYPE_VOIDWATER					= LLDrawPool::POOL_VOIDWATER,
		RENDER_TYPE_WATER						= LLDrawPool::POOL_WATER,
 		RENDER_TYPE_ALPHA						= LLDrawPool::POOL_ALPHA,
		RENDER_TYPE_GLOW						= LLDrawPool::POOL_GLOW,
		RENDER_TYPE_PASS_SIMPLE 				= LLRenderPass::PASS_SIMPLE,
        RENDER_TYPE_PASS_SIMPLE_RIGGED = LLRenderPass::PASS_SIMPLE_RIGGED,
		RENDER_TYPE_PASS_GRASS					= LLRenderPass::PASS_GRASS,
		RENDER_TYPE_PASS_FULLBRIGHT				= LLRenderPass::PASS_FULLBRIGHT,
        RENDER_TYPE_PASS_FULLBRIGHT_RIGGED = LLRenderPass::PASS_FULLBRIGHT_RIGGED,
		RENDER_TYPE_PASS_INVISIBLE				= LLRenderPass::PASS_INVISIBLE,
        RENDER_TYPE_PASS_INVISIBLE_RIGGED = LLRenderPass::PASS_INVISIBLE_RIGGED,
		RENDER_TYPE_PASS_INVISI_SHINY			= LLRenderPass::PASS_INVISI_SHINY,
        RENDER_TYPE_PASS_INVISI_SHINY_RIGGED = LLRenderPass::PASS_INVISI_SHINY_RIGGED,
		RENDER_TYPE_PASS_FULLBRIGHT_SHINY		= LLRenderPass::PASS_FULLBRIGHT_SHINY,
        RENDER_TYPE_PASS_FULLBRIGHT_SHINY_RIGGED = LLRenderPass::PASS_FULLBRIGHT_SHINY_RIGGED,
		RENDER_TYPE_PASS_SHINY					= LLRenderPass::PASS_SHINY,
        RENDER_TYPE_PASS_SHINY_RIGGED = LLRenderPass::PASS_SHINY_RIGGED,
		RENDER_TYPE_PASS_BUMP					= LLRenderPass::PASS_BUMP,
        RENDER_TYPE_PASS_BUMP_RIGGED = LLRenderPass::PASS_BUMP_RIGGED,
		RENDER_TYPE_PASS_POST_BUMP				= LLRenderPass::PASS_POST_BUMP,
        RENDER_TYPE_PASS_POST_BUMP_RIGGED = LLRenderPass::PASS_POST_BUMP_RIGGED,
		RENDER_TYPE_PASS_GLOW					= LLRenderPass::PASS_GLOW,
        RENDER_TYPE_PASS_GLOW_RIGGED = LLRenderPass::PASS_GLOW_RIGGED,
		RENDER_TYPE_PASS_ALPHA					= LLRenderPass::PASS_ALPHA,
		RENDER_TYPE_PASS_ALPHA_MASK				= LLRenderPass::PASS_ALPHA_MASK,
        RENDER_TYPE_PASS_ALPHA_MASK_RIGGED = LLRenderPass::PASS_ALPHA_MASK_RIGGED,
		RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK	= LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK,
        RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK_RIGGED = LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK_RIGGED,
		RENDER_TYPE_PASS_MATERIAL				= LLRenderPass::PASS_MATERIAL,
        RENDER_TYPE_PASS_MATERIAL_RIGGED = LLRenderPass::PASS_MATERIAL_RIGGED,
		RENDER_TYPE_PASS_MATERIAL_ALPHA			= LLRenderPass::PASS_MATERIAL_ALPHA,
        RENDER_TYPE_PASS_MATERIAL_ALPHA_RIGGED = LLRenderPass::PASS_MATERIAL_ALPHA_RIGGED,
		RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK	= LLRenderPass::PASS_MATERIAL_ALPHA_MASK,
        RENDER_TYPE_PASS_MATERIAL_ALPHA_MASK_RIGGED = LLRenderPass::PASS_MATERIAL_ALPHA_MASK_RIGGED,
		RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE= LLRenderPass::PASS_MATERIAL_ALPHA_EMISSIVE,
        RENDER_TYPE_PASS_MATERIAL_ALPHA_EMISSIVE_RIGGED = LLRenderPass::PASS_MATERIAL_ALPHA_EMISSIVE_RIGGED,
		RENDER_TYPE_PASS_SPECMAP				= LLRenderPass::PASS_SPECMAP,
        RENDER_TYPE_PASS_SPECMAP_RIGGED = LLRenderPass::PASS_SPECMAP_RIGGED,
		RENDER_TYPE_PASS_SPECMAP_BLEND			= LLRenderPass::PASS_SPECMAP_BLEND,
        RENDER_TYPE_PASS_SPECMAP_BLEND_RIGGED = LLRenderPass::PASS_SPECMAP_BLEND_RIGGED,
		RENDER_TYPE_PASS_SPECMAP_MASK			= LLRenderPass::PASS_SPECMAP_MASK,
        RENDER_TYPE_PASS_SPECMAP_MASK_RIGGED = LLRenderPass::PASS_SPECMAP_MASK_RIGGED,
		RENDER_TYPE_PASS_SPECMAP_EMISSIVE		= LLRenderPass::PASS_SPECMAP_EMISSIVE,
        RENDER_TYPE_PASS_SPECMAP_EMISSIVE_RIGGED = LLRenderPass::PASS_SPECMAP_EMISSIVE_RIGGED,
		RENDER_TYPE_PASS_NORMMAP				= LLRenderPass::PASS_NORMMAP,
        RENDER_TYPE_PASS_NORMMAP_RIGGED = LLRenderPass::PASS_NORMMAP_RIGGED,
		RENDER_TYPE_PASS_NORMMAP_BLEND			= LLRenderPass::PASS_NORMMAP_BLEND,
        RENDER_TYPE_PASS_NORMMAP_BLEND_RIGGED = LLRenderPass::PASS_NORMMAP_BLEND_RIGGED,
		RENDER_TYPE_PASS_NORMMAP_MASK			= LLRenderPass::PASS_NORMMAP_MASK,
        RENDER_TYPE_PASS_NORMMAP_MASK_RIGGED = LLRenderPass::PASS_NORMMAP_MASK_RIGGED,
		RENDER_TYPE_PASS_NORMMAP_EMISSIVE		= LLRenderPass::PASS_NORMMAP_EMISSIVE,
        RENDER_TYPE_PASS_NORMMAP_EMISSIVE_RIGGED = LLRenderPass::PASS_NORMMAP_EMISSIVE_RIGGED,
		RENDER_TYPE_PASS_NORMSPEC				= LLRenderPass::PASS_NORMSPEC,
        RENDER_TYPE_PASS_NORMSPEC_RIGGED = LLRenderPass::PASS_NORMSPEC_RIGGED,
		RENDER_TYPE_PASS_NORMSPEC_BLEND			= LLRenderPass::PASS_NORMSPEC_BLEND,
        RENDER_TYPE_PASS_NORMSPEC_BLEND_RIGGED = LLRenderPass::PASS_NORMSPEC_BLEND_RIGGED,
		RENDER_TYPE_PASS_NORMSPEC_MASK			= LLRenderPass::PASS_NORMSPEC_MASK,
        RENDER_TYPE_PASS_NORMSPEC_MASK_RIGGED = LLRenderPass::PASS_NORMSPEC_MASK_RIGGED,
		RENDER_TYPE_PASS_NORMSPEC_EMISSIVE		= LLRenderPass::PASS_NORMSPEC_EMISSIVE,
        RENDER_TYPE_PASS_NORMSPEC_EMISSIVE_RIGGED = LLRenderPass::PASS_NORMSPEC_EMISSIVE_RIGGED,
		// Following are object types (only used in drawable mRenderType)
		RENDER_TYPE_HUD = LLRenderPass::NUM_RENDER_TYPES,
		RENDER_TYPE_VOLUME,
		RENDER_TYPE_PARTICLES,
		RENDER_TYPE_CLOUDS,
		RENDER_TYPE_HUD_PARTICLES,
		NUM_RENDER_TYPES,
		END_RENDER_TYPES = NUM_RENDER_TYPES
	};

	enum LLRenderDebugFeatureMask
	{
		RENDER_DEBUG_FEATURE_UI					= 0x0001,
		RENDER_DEBUG_FEATURE_SELECTED			= 0x0002,
		RENDER_DEBUG_FEATURE_HIGHLIGHTED		= 0x0004,
		RENDER_DEBUG_FEATURE_DYNAMIC_TEXTURES	= 0x0008,
// 		RENDER_DEBUG_FEATURE_HW_LIGHTING		= 0x0010,
		RENDER_DEBUG_FEATURE_FLEXIBLE			= 0x0010,
		RENDER_DEBUG_FEATURE_FOG				= 0x0020,
		RENDER_DEBUG_FEATURE_FR_INFO			= 0x0080,
		RENDER_DEBUG_FEATURE_FOOT_SHADOWS		= 0x0100,
	};

	enum LLRenderDebugMask: U64
	{
		RENDER_DEBUG_COMPOSITION		=  0x00000001,
		RENDER_DEBUG_VERIFY				=  0x00000002,
		RENDER_DEBUG_BBOXES				=  0x00000004,
		RENDER_DEBUG_OCTREE				=  0x00000008,
		RENDER_DEBUG_WIND_VECTORS		=  0x00000010,
		RENDER_DEBUG_OCCLUSION			=  0x00000020,
		RENDER_DEBUG_POINTS				=  0x00000040,
		RENDER_DEBUG_TEXTURE_PRIORITY	=  0x00000080,
		RENDER_DEBUG_TEXTURE_AREA		=  0x00000100,
		RENDER_DEBUG_FACE_AREA			=  0x00000200,
		RENDER_DEBUG_PARTICLES			=  0x00000400,
		RENDER_DEBUG_GLOW				=  0x00000800, // not used
		RENDER_DEBUG_TEXTURE_ANIM		=  0x00001000,
		RENDER_DEBUG_LIGHTS				=  0x00002000,
		RENDER_DEBUG_BATCH_SIZE			=  0x00004000,
		RENDER_DEBUG_ALPHA_BINS			=  0x00008000, // not used
		RENDER_DEBUG_RAYCAST            =  0x00010000,
		RENDER_DEBUG_AVATAR_DRAW_INFO	=  0x00020000,
		RENDER_DEBUG_SHADOW_FRUSTA		=  0x00040000,
		RENDER_DEBUG_SCULPTED           =  0x00080000,
		RENDER_DEBUG_AVATAR_VOLUME      =  0x00100000,
		RENDER_DEBUG_AVATAR_JOINTS      =  0x00200000,
		RENDER_DEBUG_BUILD_QUEUE		=  0x00400000,
		RENDER_DEBUG_AGENT_TARGET       =  0x00800000,
		RENDER_DEBUG_UPDATE_TYPE		=  0x01000000,
		RENDER_DEBUG_PHYSICS_SHAPES     =  0x02000000,
		RENDER_DEBUG_NORMALS	        =  0x04000000,
		RENDER_DEBUG_LOD_INFO	        =  0x08000000,
		RENDER_DEBUG_RENDER_COMPLEXITY  =  0x10000000,
		RENDER_DEBUG_ATTACHMENT_BYTES	=  0x20000000, // not used
		RENDER_DEBUG_TEXEL_DENSITY		=  0x40000000,
		RENDER_DEBUG_TRIANGLE_COUNT		=  0x80000000,
		RENDER_DEBUG_IMPOSTORS			= 0x100000000
	};

public:
	
	LLSpatialPartition* getSpatialPartition(LLViewerObject* vobj);

	void updateCamera(bool reset = false);
	
	LLVector3				mFlyCamPosition;
	LLQuaternion			mFlyCamRotation;

	bool					 mBackfaceCull;
	S32						 mMatrixOpCount;
	S32						 mTextureMatrixOps;
	S32						 mNumVisibleNodes;

	S32						 mDebugTextureUploadCost;
	S32						 mDebugSculptUploadCost;
	S32						 mDebugMeshUploadCost;

	S32						 mNumVisibleFaces;

	static S32				sCompiles;

	static bool				sShowHUDAttachments;
	static bool				sForceOldBakedUpload; // If true will not use capabilities to upload baked textures.
	static S32				sUseOcclusion;  // 0 = no occlusion, 1 = read only, 2 = read/write
	static bool				sDelayVBUpdate;
	static bool				sAutoMaskAlphaDeferred;
	static bool				sAutoMaskAlphaNonDeferred;
	static bool				sRenderTransparentWater;
	static bool				sRenderBump;
	static bool				sBakeSunlight;
	static bool				sNoAlpha;
	static bool				sUseTriStrips;
	static bool				sUseFarClip;
	static bool				sShadowRender;
	static bool				sWaterReflections;
	static bool				sDynamicLOD;
	static bool				sPickAvatar;
	static bool				sReflectionRender;
    static bool				sDistortionRender;
	static bool				sImpostorRender;
	static bool				sImpostorRenderAlphaDepthPass;
	static bool				sUnderWaterRender;
	static bool				sRenderGlow;
	static bool				sTextureBindTest;
	static bool				sRenderFrameTest;
	static bool				sRenderAttachedLights;
	static bool				sRenderAttachedParticles;
	static bool				sRenderDeferred;
	static S32				sVisibleLightCount;
	static bool				sRenderingHUDs;
    static F32              sDistortionWaterClipPlaneMargin;

	static LLTrace::EventStatHandle<S64> sStatBatchSize;

	//screen texture
	U32 					mScreenWidth;
	U32 					mScreenHeight;
	
	LLRenderTarget			mScreen;
	LLRenderTarget			mUIScreen;
	LLRenderTarget			mDeferredScreen;
	LLRenderTarget			mFXAABuffer;
	LLRenderTarget			mEdgeMap;
	LLRenderTarget			mDeferredDepth;
	LLRenderTarget			mOcclusionDepth;
	LLRenderTarget			mDeferredLight;
	LLRenderTarget			mHighlight;
	LLRenderTarget			mPhysicsDisplay;

    LLCullResult            mSky;
    LLCullResult            mReflectedObjects;
    LLCullResult            mRefractedObjects;

	//utility buffer for rendering post effects, gets abused by renderDeferredLighting
	LLPointer<LLVertexBuffer> mDeferredVB;

	//utility buffer for rendering cubes, 8 vertices are corners of a cube [-1, 1]
	LLPointer<LLVertexBuffer> mCubeVB;

	//sun shadow map
	LLRenderTarget			mShadow[6];
	LLRenderTarget			mShadowOcclusion[6];
	std::vector<LLVector3>	mShadowFrustPoints[4];
	LLVector4				mShadowError;
	LLVector4				mShadowFOV;
	LLVector3				mShadowFrustOrigin[4];
	LLCamera				mShadowCamera[8];
	LLVector3				mShadowExtents[4][2];
	glh::matrix4f			mSunShadowMatrix[6];
	glh::matrix4f			mShadowModelview[6];
	glh::matrix4f			mShadowProjection[6];
    glh::matrix4f           mReflectionModelView;

	LLPointer<LLDrawable>	mShadowSpotLight[2];
	F32						mSpotLightFade[2];
	LLPointer<LLDrawable>	mTargetShadowSpotLight[2];

	LLVector4				mSunClipPlanes;
	LLVector4				mSunOrthoClipPlanes;
	LLVector2				mScreenScale;

	//water reflection texture
	LLRenderTarget				mWaterRef;

	//water distortion texture (refraction)
	LLRenderTarget				mWaterDis;

    LLRenderTarget				mBake;

	//texture for making the glow
	LLRenderTarget				mGlow[3];

	//noise map
	U32					mNoiseMap;
	U32					mTrueNoiseMap;
	U32					mLightFunc;

	LLColor4			mSunDiffuse;
    LLColor4			mMoonDiffuse;
	LLVector4			mSunDir;
    LLVector4			mMoonDir;
    bool                mNeedsShadowTargetClear;

	LLVector4			mTransformedSunDir;
    LLVector4			mTransformedMoonDir;

	bool					mInitialized;
	bool					mShadersLoaded;

	U32						mTransformFeedbackPrimitives; //number of primitives expected to be generated by transform feedback
protected:
	bool					mRenderTypeEnabled[NUM_RENDER_TYPES];
	std::stack<std::string> mRenderTypeEnableStack;

	U32						mRenderDebugFeatureMask;
	U64						mRenderDebugMask;
	U64						mOldRenderDebugMask;
	std::stack<U32>			mRenderDebugFeatureStack;

	/////////////////////////////////////////////
	//
	//
	LLDrawable::drawable_vector_t	mMovedList;
	LLDrawable::drawable_vector_t mMovedBridge;
	LLDrawable::drawable_vector_t	mShiftList;

	/////////////////////////////////////////////
	//
	//
	struct Light
	{
		Light(LLDrawable* ptr, F32 d, F32 f = 0.0f)
			: drawable(ptr),
			  dist(d),
			  fade(f)
		{}
		LLPointer<LLDrawable> drawable;
		F32 dist;
		F32 fade;
		struct compare
		{
			bool operator()(const Light& a, const Light& b) const
			{
				if ( a.dist < b.dist )
					return true;
				else if ( a.dist > b.dist )
					return false;
				else
					return a.drawable < b.drawable;
			}
		};
	};
	typedef std::set< Light, Light::compare > light_set_t;
	
	LLDrawable::drawable_set_t		mLights;
	light_set_t						mNearbyLights; // lights near camera
	LLColor4						mHWLightColors[8];
	
	/////////////////////////////////////////////
	//
	// Different queues of drawables being processed.
	//
	LLDrawable::drawable_list_t 	mBuildQ1; // priority
	LLDrawable::drawable_list_t 	mBuildQ2; // non-priority
	LLSpatialGroup::sg_vector_t		mGroupQ1; //priority
	LLSpatialGroup::sg_vector_t		mGroupQ2; // non-priority

	LLSpatialGroup::sg_vector_t		mGroupSaveQ1; // a place to save mGroupQ1 until it is safe to unref

	LLSpatialGroup::sg_vector_t		mMeshDirtyGroup; //groups that need rebuildMesh called
	U32 mMeshDirtyQueryObject;

	LLDrawable::drawable_list_t		mPartitionQ; //drawables that need to update their spatial partition radius 

	bool mGroupQ2Locked;
	bool mGroupQ1Locked;

	bool mResetVertexBuffers; //if true, clear vertex buffers on next update

	LLViewerObject::vobj_list_t		mCreateQ;
		
	LLDrawable::drawable_set_t		mRetexturedList;

	class HighlightItem
	{
	public:
		const LLPointer<LLDrawable> mItem;
		mutable F32 mFade;

		HighlightItem(LLDrawable* item)
		: mItem(item), mFade(0)
		{
		}

		bool operator<(const HighlightItem& rhs) const
		{
			return mItem < rhs.mItem;
		}

		bool operator==(const HighlightItem& rhs) const
		{
			return mItem == rhs.mItem;
		}

		void incrFade(F32 val) const
		{
			mFade = llclamp(mFade+val, 0.f, 1.f);
		}
	};

	std::set<HighlightItem> mHighlightSet;
	LLPointer<LLDrawable> mHighlightObject;

	//////////////////////////////////////////////////
	//
	// Draw pools are responsible for storing all rendered data,
	// and performing the actual rendering of objects.
	//
	struct compare_pools
	{
		bool operator()(const LLDrawPool* a, const LLDrawPool* b) const
		{
			if (!a)
				return true;
			else if (!b)
				return false;
			else
			{
				S32 atype = a->getType();
				S32 btype = b->getType();
				if (atype < btype)
					return true;
				else if (atype > btype)
					return false;
				else
					return a->getId() < b->getId();
			}
		}
	};
 	typedef std::set<LLDrawPool*, compare_pools > pool_set_t;
	pool_set_t mPools;
	LLDrawPool*	mLastRebuildPool;
	
	// For quick-lookups into mPools (mapped by texture pointer)
	std::map<uintptr_t, LLDrawPool*>	mTerrainPools;
	std::map<uintptr_t, LLDrawPool*>	mTreePools;
	LLDrawPoolAlpha*			mAlphaPool;
	LLDrawPool*					mSkyPool;
	LLDrawPool*					mTerrainPool;
	LLDrawPool*					mWaterPool;
	LLDrawPool*					mGroundPool;
	LLRenderPass*				mSimplePool;
	LLRenderPass*				mGrassPool;
	LLRenderPass*				mAlphaMaskPool;
	LLRenderPass*				mFullbrightAlphaMaskPool;
	LLRenderPass*				mFullbrightPool;
	LLDrawPool*					mInvisiblePool;
	LLDrawPool*					mGlowPool;
	LLDrawPool*					mBumpPool;
	LLDrawPool*					mMaterialsPool;
	LLDrawPool*					mWLSkyPool;
	// Note: no need to keep an quick-lookup to avatar pools, since there's only one per avatar
	
public:
	std::vector<LLFace*>		mHighlightFaces;	// highlight faces on physical objects
protected:
	std::vector<LLFace*>		mSelectedFaces;

	class DebugBlip
	{
	public:
		LLColor4 mColor;
		LLVector3 mPosition;
		F32 mAge;

		DebugBlip(const LLVector3& position, const LLColor4& color)
			: mColor(color), mPosition(position), mAge(0.f)
		{ }
	};

	std::list<DebugBlip> mDebugBlips;

	LLPointer<LLViewerFetchedTexture>	mFaceSelectImagep;
	
	U32						mLightMask;
	U32						mLightMovingMask;
	S32						mLightingDetail;
		
	static bool				sRenderPhysicalBeacons;
	static bool				sRenderMOAPBeacons;
	static bool				sRenderScriptedTouchBeacons;
	static bool				sRenderScriptedBeacons;
	static bool				sRenderParticleBeacons;
	static bool				sRenderSoundBeacons;
public:
	static bool				sRenderBeacons;
	static bool				sRenderHighlight;

	// Determines which set of UVs to use in highlight display
	//
	static LLRender::eTexIndex sRenderHighlightTextureChannel;

	//debug use
	static U32              sCurRenderPoolType ;

	//cached settings
	static bool WindLightUseAtmosShaders;
	static bool RenderDeferred;
	static F32 RenderDeferredSunWash;
	static U32 RenderFSAASamples;
	static U32 RenderResolutionDivisor;
	static bool RenderUIBuffer;
	static S32 RenderShadowDetail;
    static S32 RenderShadowSplits;
	static bool RenderDeferredSSAO;
	static F32 RenderShadowResolutionScale;
	static bool RenderLocalLights;
	static bool RenderDelayCreation;
	static bool RenderAnimateRes;
	static bool FreezeTime;
	static S32 DebugBeaconLineWidth;
	static F32 RenderHighlightBrightness;
	static LLColor4 RenderHighlightColor;
	static F32 RenderHighlightThickness;
	static bool RenderSpotLightsInNondeferred;
	static LLColor4 PreviewAmbientColor;
	static LLColor4 PreviewDiffuse0;
	static LLColor4 PreviewSpecular0;
	static LLColor4 PreviewDiffuse1;
	static LLColor4 PreviewSpecular1;
	static LLColor4 PreviewDiffuse2;
	static LLColor4 PreviewSpecular2;
	static LLVector3 PreviewDirection0;
	static LLVector3 PreviewDirection1;
	static LLVector3 PreviewDirection2;
	static F32 RenderGlowMinLuminance;
	static F32 RenderGlowMaxExtractAlpha;
	static F32 RenderGlowWarmthAmount;
	static LLVector3 RenderGlowLumWeights;
	static LLVector3 RenderGlowWarmthWeights;
	static S32 RenderGlowResolutionPow;
	static S32 RenderGlowIterations;
	static F32 RenderGlowWidth;
	static F32 RenderGlowStrength;
	static bool RenderDepthOfField;
	static bool RenderDepthOfFieldInEditMode;
	static F32 CameraFocusTransitionTime;
	static F32 CameraFNumber;
	static F32 CameraFocalLength;
	static F32 CameraFieldOfView;
	static F32 RenderShadowNoise;
	static F32 RenderShadowBlurSize;
	static F32 RenderSSAOScale;
	static U32 RenderSSAOMaxScale;
	static F32 RenderSSAOFactor;
	static LLVector3 RenderSSAOEffect;
	static F32 RenderShadowOffsetError;
	static F32 RenderShadowBiasError;
	static F32 RenderShadowOffset;
	static F32 RenderShadowBias;
	static F32 RenderSpotShadowOffset;
	static F32 RenderSpotShadowBias;
    static LLDrawable* RenderSpotLight;
	static F32 RenderEdgeDepthCutoff;
	static F32 RenderEdgeNormCutoff;
	static LLVector3 RenderShadowGaussian;
	static F32 RenderShadowBlurDistFactor;
	static bool RenderDeferredAtmospheric;
	static S32 RenderReflectionDetail;
	static F32 RenderHighlightFadeTime;
	static LLVector3 RenderShadowClipPlanes;
	static LLVector3 RenderShadowOrthoClipPlanes;
	static LLVector3 RenderShadowNearDist;
	static F32 RenderFarClip;
	static LLVector3 RenderShadowSplitExponent;
	static F32 RenderShadowErrorCutoff;
	static F32 RenderShadowFOVCutoff;
	static bool CameraOffset;
	static F32 CameraMaxCoF;
	static F32 CameraDoFResScale;
	static F32 RenderAutoHideSurfaceAreaLimit;
};

void render_bbox(const LLVector3 &min, const LLVector3 &max);
void render_hud_elements();

extern LLPipeline gPipeline;
extern bool gDebugPipeline;
extern const LLMatrix4* gGLLastMatrix;

#endif