summaryrefslogtreecommitdiff
path: root/scene/resources/texture.h
blob: a8d8b785fa0ca13818134526c2066c4f4d753ef6 (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
/*************************************************************************/
/*  texture.h                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 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.                */
/*************************************************************************/

#ifndef TEXTURE_H
#define TEXTURE_H

#include "core/io/resource.h"
#include "core/io/resource_loader.h"
#include "core/math/rect2.h"
#include "core/os/file_access.h"
#include "core/os/mutex.h"
#include "core/os/rw_lock.h"
#include "core/os/thread_safe.h"
#include "scene/resources/curve.h"
#include "scene/resources/gradient.h"
#include "servers/camera_server.h"
#include "servers/rendering_server.h"

class Texture : public Resource {
	GDCLASS(Texture, Resource);

public:
	Texture() {}
};

class Texture2D : public Texture {
	GDCLASS(Texture2D, Texture);
	OBJ_SAVE_TYPE(Texture2D); // Saves derived classes with common type so they can be interchanged.

protected:
	static void _bind_methods();

public:
	virtual int get_width() const = 0;
	virtual int get_height() const = 0;
	virtual Size2 get_size() const;

	virtual bool is_pixel_opaque(int p_x, int p_y) const;

	virtual bool has_alpha() const = 0;

	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const;
	virtual bool get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const;

	virtual Ref<Image> get_data() const { return Ref<Image>(); }

	Texture2D();
};

class BitMap;

class ImageTexture : public Texture2D {
	GDCLASS(ImageTexture, Texture2D);
	RES_BASE_EXTENSION("tex");

	mutable RID texture;
	Image::Format format;
	bool mipmaps;
	int w, h;
	Size2 size_override;
	mutable Ref<BitMap> alpha_cache;
	bool image_stored;

protected:
	virtual void reload_from_file() override;

	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;

	void _reload_hook(const RID &p_hook);
	virtual void _resource_path_changed() override;
	static void _bind_methods();

public:
	void create_from_image(const Ref<Image> &p_image);

	Image::Format get_format() const;

	void update(const Ref<Image> &p_image, bool p_immediate = false);
	Ref<Image> get_data() const override;

	int get_width() const override;
	int get_height() const override;

	virtual RID get_rid() const override;

	bool has_alpha() const override;
	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;

	bool is_pixel_opaque(int p_x, int p_y) const override;

	void set_size_override(const Size2 &p_size);

	virtual void set_path(const String &p_path, bool p_take_over = false) override;

	ImageTexture();
	~ImageTexture();
};

class StreamTexture2D : public Texture2D {
	GDCLASS(StreamTexture2D, Texture2D);

public:
	enum DataFormat {
		DATA_FORMAT_IMAGE,
		DATA_FORMAT_LOSSLESS,
		DATA_FORMAT_LOSSY,
		DATA_FORMAT_BASIS_UNIVERSAL,
	};

	enum {
		FORMAT_VERSION = 1
	};

	enum FormatBits {
		FORMAT_MASK_IMAGE_FORMAT = (1 << 20) - 1,
		FORMAT_BIT_LOSSLESS = 1 << 20,
		FORMAT_BIT_LOSSY = 1 << 21,
		FORMAT_BIT_STREAM = 1 << 22,
		FORMAT_BIT_HAS_MIPMAPS = 1 << 23,
		FORMAT_BIT_DETECT_3D = 1 << 24,
		//FORMAT_BIT_DETECT_SRGB = 1 << 25,
		FORMAT_BIT_DETECT_NORMAL = 1 << 26,
		FORMAT_BIT_DETECT_ROUGNESS = 1 << 27,
	};

private:
	Error _load_data(const String &p_path, int &tw, int &th, int &tw_custom, int &th_custom, Ref<Image> &image, bool &r_request_3d, bool &r_request_normal, bool &r_request_roughness, int &mipmap_limit, int p_size_limit = 0);
	String path_to_file;
	mutable RID texture;
	Image::Format format;
	int w, h;
	mutable Ref<BitMap> alpha_cache;

	virtual void reload_from_file() override;

	static void _requested_3d(void *p_ud);
	static void _requested_roughness(void *p_ud, const String &p_normal_path, RS::TextureDetectRoughnessChannel p_roughness_channel);
	static void _requested_normal(void *p_ud);

protected:
	static void _bind_methods();
	void _validate_property(PropertyInfo &property) const override;

public:
	static Ref<Image> load_image_from_file(FileAccess *p_file, int p_size_limit);

	typedef void (*TextureFormatRequestCallback)(const Ref<StreamTexture2D> &);
	typedef void (*TextureFormatRoughnessRequestCallback)(const Ref<StreamTexture2D> &, const String &p_normal_path, RS::TextureDetectRoughnessChannel p_roughness_channel);

	static TextureFormatRequestCallback request_3d_callback;
	static TextureFormatRoughnessRequestCallback request_roughness_callback;
	static TextureFormatRequestCallback request_normal_callback;

	Image::Format get_format() const;
	Error load(const String &p_path);
	String get_load_path() const;

	int get_width() const override;
	int get_height() const override;
	virtual RID get_rid() const override;

	virtual void set_path(const String &p_path, bool p_take_over) override;

	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;

	virtual bool has_alpha() const override;
	bool is_pixel_opaque(int p_x, int p_y) const override;

	virtual Ref<Image> get_data() const override;

	StreamTexture2D();
	~StreamTexture2D();
};

class ResourceFormatLoaderStreamTexture2D : public ResourceFormatLoader {
public:
	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, bool p_no_cache = false);
	virtual void get_recognized_extensions(List<String> *p_extensions) const;
	virtual bool handles_type(const String &p_type) const;
	virtual String get_resource_type(const String &p_path) const;
};

class AtlasTexture : public Texture2D {
	GDCLASS(AtlasTexture, Texture2D);
	RES_BASE_EXTENSION("atlastex");

protected:
	Ref<Texture2D> atlas;
	Rect2 region;
	Rect2 margin;
	bool filter_clip;

	static void _bind_methods();

public:
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;

	virtual bool has_alpha() const override;

	void set_atlas(const Ref<Texture2D> &p_atlas);
	Ref<Texture2D> get_atlas() const;

	void set_region(const Rect2 &p_region);
	Rect2 get_region() const;

	void set_margin(const Rect2 &p_margin);
	Rect2 get_margin() const;

	void set_filter_clip(const bool p_enable);
	bool has_filter_clip() const;

	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;
	virtual bool get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const override;

	bool is_pixel_opaque(int p_x, int p_y) const override;

	AtlasTexture();
};

class Mesh;

class MeshTexture : public Texture2D {
	GDCLASS(MeshTexture, Texture2D);
	RES_BASE_EXTENSION("meshtex");

	Ref<Texture2D> base_texture;
	Ref<Mesh> mesh;
	Size2i size;

protected:
	static void _bind_methods();

public:
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;

	virtual bool has_alpha() const override;

	void set_mesh(const Ref<Mesh> &p_mesh);
	Ref<Mesh> get_mesh() const;

	void set_image_size(const Size2 &p_size);
	Size2 get_image_size() const;

	void set_base_texture(const Ref<Texture2D> &p_texture);
	Ref<Texture2D> get_base_texture() const;

	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;
	virtual bool get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const override;

	bool is_pixel_opaque(int p_x, int p_y) const override;

	MeshTexture();
};

class LargeTexture : public Texture2D {
	GDCLASS(LargeTexture, Texture2D);
	RES_BASE_EXTENSION("largetex");

protected:
	struct Piece {
		Point2 offset;
		Ref<Texture2D> texture;
	};

	Vector<Piece> pieces;
	Size2i size;

	Array _get_data() const;
	void _set_data(const Array &p_array);
	static void _bind_methods();

public:
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;

	virtual bool has_alpha() const override;

	int add_piece(const Point2 &p_offset, const Ref<Texture2D> &p_texture);
	void set_piece_offset(int p_idx, const Point2 &p_offset);
	void set_piece_texture(int p_idx, const Ref<Texture2D> &p_texture);

	void set_size(const Size2 &p_size);
	void clear();

	int get_piece_count() const;
	Vector2 get_piece_offset(int p_idx) const;
	Ref<Texture2D> get_piece_texture(int p_idx) const;
	Ref<Image> to_image() const;

	virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
	virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;

	bool is_pixel_opaque(int p_x, int p_y) const override;

	LargeTexture();
};

class TextureLayered : public Texture {
	GDCLASS(TextureLayered, Texture);

protected:
	static void _bind_methods();

public:
	enum LayeredType {
		LAYERED_TYPE_2D_ARRAY,
		LAYERED_TYPE_CUBEMAP,
		LAYERED_TYPE_CUBEMAP_ARRAY
	};

	virtual Image::Format get_format() const = 0;
	virtual LayeredType get_layered_type() const = 0;
	virtual int get_width() const = 0;
	virtual int get_height() const = 0;
	virtual int get_layers() const = 0;
	virtual bool has_mipmaps() const = 0;
	virtual Ref<Image> get_layer_data(int p_layer) const = 0;
};

VARIANT_ENUM_CAST(TextureLayered::LayeredType)

class ImageTextureLayered : public TextureLayered {
	GDCLASS(ImageTextureLayered, TextureLayered);

	LayeredType layered_type;

	mutable RID texture;
	Image::Format format;

	int width;
	int height;
	int layers;
	bool mipmaps;

	Error _create_from_images(const Array &p_images);

	Array _get_images() const;

protected:
	static void _bind_methods();

public:
	virtual Image::Format get_format() const override;
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual int get_layers() const override;
	virtual bool has_mipmaps() const override;
	virtual LayeredType get_layered_type() const override;

	Error create_from_images(Vector<Ref<Image>> p_images);
	void update_layer(const Ref<Image> &p_image, int p_layer);
	virtual Ref<Image> get_layer_data(int p_layer) const override;

	virtual RID get_rid() const override;
	virtual void set_path(const String &p_path, bool p_take_over = false) override;

	ImageTextureLayered(LayeredType p_layered_type);
	~ImageTextureLayered();
};

class Texture2DArray : public ImageTextureLayered {
	GDCLASS(Texture2DArray, ImageTextureLayered)
public:
	Texture2DArray() :
			ImageTextureLayered(LAYERED_TYPE_2D_ARRAY) {}
};

class Cubemap : public ImageTextureLayered {
	GDCLASS(Cubemap, ImageTextureLayered);

public:
	Cubemap() :
			ImageTextureLayered(LAYERED_TYPE_CUBEMAP) {}
};

class CubemapArray : public ImageTextureLayered {
	GDCLASS(CubemapArray, ImageTextureLayered);

public:
	CubemapArray() :
			ImageTextureLayered(LAYERED_TYPE_CUBEMAP_ARRAY) {}
};

class StreamTextureLayered : public TextureLayered {
	GDCLASS(StreamTextureLayered, TextureLayered);

public:
	enum DataFormat {
		DATA_FORMAT_IMAGE,
		DATA_FORMAT_LOSSLESS,
		DATA_FORMAT_LOSSY,
		DATA_FORMAT_BASIS_UNIVERSAL,
	};

	enum {
		FORMAT_VERSION = 1
	};

	enum FormatBits {
		FORMAT_MASK_IMAGE_FORMAT = (1 << 20) - 1,
		FORMAT_BIT_LOSSLESS = 1 << 20,
		FORMAT_BIT_LOSSY = 1 << 21,
		FORMAT_BIT_STREAM = 1 << 22,
		FORMAT_BIT_HAS_MIPMAPS = 1 << 23,
	};

private:
	Error _load_data(const String &p_path, Vector<Ref<Image>> &images, int &mipmap_limit, int p_size_limit = 0);
	String path_to_file;
	mutable RID texture;
	Image::Format format;
	int w, h, layers;
	bool mipmaps;
	LayeredType layered_type;

	virtual void reload_from_file() override;

protected:
	static void _bind_methods();
	void _validate_property(PropertyInfo &property) const override;

public:
	Image::Format get_format() const override;
	Error load(const String &p_path);
	String get_load_path() const;
	virtual LayeredType get_layered_type() const override;

	int get_width() const override;
	int get_height() const override;
	int get_layers() const override;
	virtual bool has_mipmaps() const override;
	virtual RID get_rid() const override;

	virtual void set_path(const String &p_path, bool p_take_over) override;

	virtual Ref<Image> get_layer_data(int p_layer) const override;

	StreamTextureLayered(LayeredType p_layered_type);
	~StreamTextureLayered();
};

class StreamTexture2DArray : public StreamTextureLayered {
	GDCLASS(StreamTexture2DArray, StreamTextureLayered)
public:
	StreamTexture2DArray() :
			StreamTextureLayered(LAYERED_TYPE_2D_ARRAY) {}
};

class StreamCubemap : public StreamTextureLayered {
	GDCLASS(StreamCubemap, StreamTextureLayered);

public:
	StreamCubemap() :
			StreamTextureLayered(LAYERED_TYPE_CUBEMAP) {}
};

class StreamCubemapArray : public StreamTextureLayered {
	GDCLASS(StreamCubemapArray, StreamTextureLayered);

public:
	StreamCubemapArray() :
			StreamTextureLayered(LAYERED_TYPE_CUBEMAP_ARRAY) {}
};

class ResourceFormatLoaderStreamTextureLayered : public ResourceFormatLoader {
public:
	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, bool p_no_cache = false);
	virtual void get_recognized_extensions(List<String> *p_extensions) const;
	virtual bool handles_type(const String &p_type) const;
	virtual String get_resource_type(const String &p_path) const;
};

class Texture3D : public Texture {
	GDCLASS(Texture3D, Texture);

protected:
	static void _bind_methods();

	TypedArray<Image> _get_data() const;

public:
	virtual Image::Format get_format() const = 0;
	virtual int get_width() const = 0;
	virtual int get_height() const = 0;
	virtual int get_depth() const = 0;
	virtual bool has_mipmaps() const = 0;
	virtual Vector<Ref<Image>> get_data() const = 0;
};

class ImageTexture3D : public Texture3D {
	GDCLASS(ImageTexture3D, Texture3D);

	mutable RID texture;

	Image::Format format = Image::FORMAT_MAX;
	int width = 1;
	int height = 1;
	int depth = 1;
	bool mipmaps = false;

protected:
	static void _bind_methods();

	Error _create(Image::Format p_format, int p_width, int p_height, int p_depth, bool p_mipmaps, const TypedArray<Image> &p_data);
	void _update(const TypedArray<Image> &p_data);

public:
	virtual Image::Format get_format() const override;
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual int get_depth() const override;
	virtual bool has_mipmaps() const override;

	Error create(Image::Format p_format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data);
	void update(const Vector<Ref<Image>> &p_data);
	virtual Vector<Ref<Image>> get_data() const override;

	virtual RID get_rid() const override;
	virtual void set_path(const String &p_path, bool p_take_over = false) override;

	ImageTexture3D();
	~ImageTexture3D();
};

class StreamTexture3D : public Texture3D {
	GDCLASS(StreamTexture3D, Texture3D);

public:
	enum DataFormat {
		DATA_FORMAT_IMAGE,
		DATA_FORMAT_LOSSLESS,
		DATA_FORMAT_LOSSY,
		DATA_FORMAT_BASIS_UNIVERSAL,
	};

	enum {
		FORMAT_VERSION = 1
	};

	enum FormatBits {
		FORMAT_MASK_IMAGE_FORMAT = (1 << 20) - 1,
		FORMAT_BIT_LOSSLESS = 1 << 20,
		FORMAT_BIT_LOSSY = 1 << 21,
		FORMAT_BIT_STREAM = 1 << 22,
		FORMAT_BIT_HAS_MIPMAPS = 1 << 23,
	};

private:
	Error _load_data(const String &p_path, Vector<Ref<Image>> &r_data, Image::Format &r_format, int &r_width, int &r_height, int &r_depth, bool &r_mipmaps);
	String path_to_file;
	mutable RID texture;
	Image::Format format;
	int w, h, d;
	bool mipmaps;

	virtual void reload_from_file() override;

protected:
	static void _bind_methods();
	void _validate_property(PropertyInfo &property) const override;

public:
	Image::Format get_format() const override;
	Error load(const String &p_path);
	String get_load_path() const;

	int get_width() const override;
	int get_height() const override;
	int get_depth() const override;
	virtual bool has_mipmaps() const override;
	virtual RID get_rid() const override;

	virtual void set_path(const String &p_path, bool p_take_over) override;

	virtual Vector<Ref<Image>> get_data() const override;

	StreamTexture3D();
	~StreamTexture3D();
};

class ResourceFormatLoaderStreamTexture3D : public ResourceFormatLoader {
public:
	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, bool p_no_cache = false);
	virtual void get_recognized_extensions(List<String> *p_extensions) const;
	virtual bool handles_type(const String &p_type) const;
	virtual String get_resource_type(const String &p_path) const;
};

class CurveTexture : public Texture2D {
	GDCLASS(CurveTexture, Texture2D);
	RES_BASE_EXTENSION("curvetex")

private:
	mutable RID _texture;
	Ref<Curve> _curve;
	int _width;

	void _update();

protected:
	static void _bind_methods();

public:
	void set_width(int p_width);
	int get_width() const override;

	void ensure_default_setup(float p_min = 0, float p_max = 1);

	void set_curve(Ref<Curve> p_curve);
	Ref<Curve> get_curve() const;

	virtual RID get_rid() const override;

	virtual int get_height() const override { return 1; }
	virtual bool has_alpha() const override { return false; }

	CurveTexture();
	~CurveTexture();
};
/*
	enum CubeMapSide {
		CUBEMAP_LEFT,
		CUBEMAP_RIGHT,
		CUBEMAP_BOTTOM,
		CUBEMAP_TOP,
		CUBEMAP_FRONT,
		CUBEMAP_BACK,
	};

*/
//VARIANT_ENUM_CAST( Texture::CubeMapSide );

class GradientTexture : public Texture2D {
	GDCLASS(GradientTexture, Texture2D);

public:
	struct Point {
		float offset;
		Color color;
		bool operator<(const Point &p_ponit) const {
			return offset < p_ponit.offset;
		}
	};

private:
	Ref<Gradient> gradient;
	bool update_pending;
	RID texture;
	int width;

	void _queue_update();
	void _update();

protected:
	static void _bind_methods();

public:
	void set_gradient(Ref<Gradient> p_gradient);
	Ref<Gradient> get_gradient() const;

	void set_width(int p_width);
	int get_width() const override;

	virtual RID get_rid() const override { return texture; }
	virtual int get_height() const override { return 1; }
	virtual bool has_alpha() const override { return true; }

	virtual Ref<Image> get_data() const override;

	GradientTexture();
	virtual ~GradientTexture();
};

class ProxyTexture : public Texture2D {
	GDCLASS(ProxyTexture, Texture2D);

private:
	mutable RID proxy_ph;
	mutable RID proxy;
	Ref<Texture2D> base;

protected:
	static void _bind_methods();

public:
	void set_base(const Ref<Texture2D> &p_texture);
	Ref<Texture2D> get_base() const;

	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;

	virtual bool has_alpha() const override;

	ProxyTexture();
	~ProxyTexture();
};

class AnimatedTexture : public Texture2D {
	GDCLASS(AnimatedTexture, Texture2D);

	//use readers writers lock for this, since its far more times read than written to
	RWLock *rw_lock;

public:
	enum {
		MAX_FRAMES = 256
	};

private:
	RID proxy_ph;
	RID proxy;

	struct Frame {
		Ref<Texture2D> texture;
		float delay_sec;

		Frame() {
			delay_sec = 0;
		}
	};

	Frame frames[MAX_FRAMES];
	int frame_count;
	int current_frame;
	bool pause;
	bool oneshot;
	float fps;

	float time;

	uint64_t prev_ticks;

	void _update_proxy();

protected:
	static void _bind_methods();
	void _validate_property(PropertyInfo &property) const override;

public:
	void set_frames(int p_frames);
	int get_frames() const;

	void set_current_frame(int p_frame);
	int get_current_frame() const;

	void set_pause(bool p_pause);
	bool get_pause() const;

	void set_oneshot(bool p_oneshot);
	bool get_oneshot() const;

	void set_frame_texture(int p_frame, const Ref<Texture2D> &p_texture);
	Ref<Texture2D> get_frame_texture(int p_frame) const;

	void set_frame_delay(int p_frame, float p_delay_sec);
	float get_frame_delay(int p_frame) const;

	void set_fps(float p_fps);
	float get_fps() const;

	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;

	virtual bool has_alpha() const override;

	virtual Ref<Image> get_data() const override;

	bool is_pixel_opaque(int p_x, int p_y) const override;

	AnimatedTexture();
	~AnimatedTexture();
};

class CameraTexture : public Texture2D {
	GDCLASS(CameraTexture, Texture2D);

private:
	int camera_feed_id;
	CameraServer::FeedImage which_feed;

protected:
	static void _bind_methods();

public:
	virtual int get_width() const override;
	virtual int get_height() const override;
	virtual RID get_rid() const override;
	virtual bool has_alpha() const override;

	virtual void set_flags(uint32_t p_flags);
	virtual uint32_t get_flags() const;

	virtual Ref<Image> get_data() const override;

	void set_camera_feed_id(int p_new_id);
	int get_camera_feed_id() const;

	void set_which_feed(CameraServer::FeedImage p_which);
	CameraServer::FeedImage get_which_feed() const;

	void set_camera_active(bool p_active);
	bool get_camera_active() const;

	CameraTexture();
	~CameraTexture();
};

#endif