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beta-0.89.2
[luatex.git] / source / libs / pixman / pixman-src / pixman / pixman-fast-path.c
blob53d4a1f9047a2803ce31326a9b8a8e6a30d1e85e
1 /* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
2 /*
3 * Copyright © 2000 SuSE, Inc.
4 * Copyright © 2007 Red Hat, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of SuSE not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. SuSE makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
15 *
16 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 *
23 * Author: Keith Packard, SuSE, Inc.
24 */
25
26 #ifdef HAVE_CONFIG_H
27 #include <config.h>
28 #endif
29 #include <string.h>
30 #include <stdlib.h>
31 #include "pixman-private.h"
32 #include "pixman-combine32.h"
33 #include "pixman-inlines.h"
34
35 static force_inline uint32_t
36 fetch_24 (uint8_t *a)
37 {
38 if (((uintptr_t)a) & 1)
39 {
40 #ifdef WORDS_BIGENDIAN
41 return (*a << 16) | (*(uint16_t *)(a + 1));
42 #else
43 return *a | (*(uint16_t *)(a + 1) << 8);
44 #endif
45 }
46 else
47 {
48 #ifdef WORDS_BIGENDIAN
49 return (*(uint16_t *)a << 8) | *(a + 2);
50 #else
51 return *(uint16_t *)a | (*(a + 2) << 16);
52 #endif
53 }
54 }
55
56 static force_inline void
57 store_24 (uint8_t *a,
58 uint32_t v)
59 {
60 if (((uintptr_t)a) & 1)
61 {
62 #ifdef WORDS_BIGENDIAN
63 *a = (uint8_t) (v >> 16);
64 *(uint16_t *)(a + 1) = (uint16_t) (v);
65 #else
66 *a = (uint8_t) (v);
67 *(uint16_t *)(a + 1) = (uint16_t) (v >> 8);
68 #endif
69 }
70 else
71 {
72 #ifdef WORDS_BIGENDIAN
73 *(uint16_t *)a = (uint16_t)(v >> 8);
74 *(a + 2) = (uint8_t)v;
75 #else
76 *(uint16_t *)a = (uint16_t)v;
77 *(a + 2) = (uint8_t)(v >> 16);
78 #endif
79 }
80 }
81
82 static force_inline uint32_t
83 over (uint32_t src,
84 uint32_t dest)
85 {
86 uint32_t a = ~src >> 24;
87
88 UN8x4_MUL_UN8_ADD_UN8x4 (dest, a, src);
89
90 return dest;
91 }
92
93 static force_inline uint32_t
94 in (uint32_t x,
95 uint8_t y)
96 {
97 uint16_t a = y;
98
99 UN8x4_MUL_UN8 (x, a);
100
101 return x;
102 }
103
104 /*
105 * Naming convention:
106 *
107 * op_src_mask_dest
108 */
109 static void
110 fast_composite_over_x888_8_8888 (pixman_implementation_t *imp,
111 pixman_composite_info_t *info)
112 {
113 PIXMAN_COMPOSITE_ARGS (info);
114 uint32_t *src, *src_line;
115 uint32_t *dst, *dst_line;
116 uint8_t *mask, *mask_line;
117 int src_stride, mask_stride, dst_stride;
118 uint8_t m;
119 uint32_t s, d;
120 int32_t w;
121
122 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
123 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
124 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
125
126 while (height--)
127 {
128 src = src_line;
129 src_line += src_stride;
130 dst = dst_line;
131 dst_line += dst_stride;
132 mask = mask_line;
133 mask_line += mask_stride;
134
135 w = width;
136 while (w--)
137 {
138 m = *mask++;
139 if (m)
140 {
141 s = *src | 0xff000000;
142
143 if (m == 0xff)
144 {
145 *dst = s;
146 }
147 else
148 {
149 d = in (s, m);
150 *dst = over (d, *dst);
151 }
152 }
153 src++;
154 dst++;
155 }
156 }
157 }
158
159 static void
160 fast_composite_in_n_8_8 (pixman_implementation_t *imp,
161 pixman_composite_info_t *info)
162 {
163 PIXMAN_COMPOSITE_ARGS (info);
164 uint32_t src, srca;
165 uint8_t *dst_line, *dst;
166 uint8_t *mask_line, *mask, m;
167 int dst_stride, mask_stride;
168 int32_t w;
169 uint16_t t;
170
171 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
172
173 srca = src >> 24;
174
175 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
176 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
177
178 if (srca == 0xff)
179 {
180 while (height--)
181 {
182 dst = dst_line;
183 dst_line += dst_stride;
184 mask = mask_line;
185 mask_line += mask_stride;
186 w = width;
187
188 while (w--)
189 {
190 m = *mask++;
191
192 if (m == 0)
193 *dst = 0;
194 else if (m != 0xff)
195 *dst = MUL_UN8 (m, *dst, t);
196
197 dst++;
198 }
199 }
200 }
201 else
202 {
203 while (height--)
204 {
205 dst = dst_line;
206 dst_line += dst_stride;
207 mask = mask_line;
208 mask_line += mask_stride;
209 w = width;
210
211 while (w--)
212 {
213 m = *mask++;
214 m = MUL_UN8 (m, srca, t);
215
216 if (m == 0)
217 *dst = 0;
218 else if (m != 0xff)
219 *dst = MUL_UN8 (m, *dst, t);
220
221 dst++;
222 }
223 }
224 }
225 }
226
227 static void
228 fast_composite_in_8_8 (pixman_implementation_t *imp,
229 pixman_composite_info_t *info)
230 {
231 PIXMAN_COMPOSITE_ARGS (info);
232 uint8_t *dst_line, *dst;
233 uint8_t *src_line, *src;
234 int dst_stride, src_stride;
235 int32_t w;
236 uint8_t s;
237 uint16_t t;
238
239 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
240 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
241
242 while (height--)
243 {
244 dst = dst_line;
245 dst_line += dst_stride;
246 src = src_line;
247 src_line += src_stride;
248 w = width;
249
250 while (w--)
251 {
252 s = *src++;
253
254 if (s == 0)
255 *dst = 0;
256 else if (s != 0xff)
257 *dst = MUL_UN8 (s, *dst, t);
258
259 dst++;
260 }
261 }
262 }
263
264 static void
265 fast_composite_over_n_8_8888 (pixman_implementation_t *imp,
266 pixman_composite_info_t *info)
267 {
268 PIXMAN_COMPOSITE_ARGS (info);
269 uint32_t src, srca;
270 uint32_t *dst_line, *dst, d;
271 uint8_t *mask_line, *mask, m;
272 int dst_stride, mask_stride;
273 int32_t w;
274
275 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
276
277 srca = src >> 24;
278 if (src == 0)
279 return;
280
281 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
282 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
283
284 while (height--)
285 {
286 dst = dst_line;
287 dst_line += dst_stride;
288 mask = mask_line;
289 mask_line += mask_stride;
290 w = width;
291
292 while (w--)
293 {
294 m = *mask++;
295 if (m == 0xff)
296 {
297 if (srca == 0xff)
298 *dst = src;
299 else
300 *dst = over (src, *dst);
301 }
302 else if (m)
303 {
304 d = in (src, m);
305 *dst = over (d, *dst);
306 }
307 dst++;
308 }
309 }
310 }
311
312 static void
313 fast_composite_add_n_8888_8888_ca (pixman_implementation_t *imp,
314 pixman_composite_info_t *info)
315 {
316 PIXMAN_COMPOSITE_ARGS (info);
317 uint32_t src, s;
318 uint32_t *dst_line, *dst, d;
319 uint32_t *mask_line, *mask, ma;
320 int dst_stride, mask_stride;
321 int32_t w;
322
323 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
324
325 if (src == 0)
326 return;
327
328 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
329 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
330
331 while (height--)
332 {
333 dst = dst_line;
334 dst_line += dst_stride;
335 mask = mask_line;
336 mask_line += mask_stride;
337 w = width;
338
339 while (w--)
340 {
341 ma = *mask++;
342
343 if (ma)
344 {
345 d = *dst;
346 s = src;
347
348 UN8x4_MUL_UN8x4_ADD_UN8x4 (s, ma, d);
349
350 *dst = s;
351 }
352
353 dst++;
354 }
355 }
356 }
357
358 static void
359 fast_composite_over_n_8888_8888_ca (pixman_implementation_t *imp,
360 pixman_composite_info_t *info)
361 {
362 PIXMAN_COMPOSITE_ARGS (info);
363 uint32_t src, srca, s;
364 uint32_t *dst_line, *dst, d;
365 uint32_t *mask_line, *mask, ma;
366 int dst_stride, mask_stride;
367 int32_t w;
368
369 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
370
371 srca = src >> 24;
372 if (src == 0)
373 return;
374
375 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
376 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
377
378 while (height--)
379 {
380 dst = dst_line;
381 dst_line += dst_stride;
382 mask = mask_line;
383 mask_line += mask_stride;
384 w = width;
385
386 while (w--)
387 {
388 ma = *mask++;
389 if (ma == 0xffffffff)
390 {
391 if (srca == 0xff)
392 *dst = src;
393 else
394 *dst = over (src, *dst);
395 }
396 else if (ma)
397 {
398 d = *dst;
399 s = src;
400
401 UN8x4_MUL_UN8x4 (s, ma);
402 UN8x4_MUL_UN8 (ma, srca);
403 ma = ~ma;
404 UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s);
405
406 *dst = d;
407 }
408
409 dst++;
410 }
411 }
412 }
413
414 static void
415 fast_composite_over_n_8_0888 (pixman_implementation_t *imp,
416 pixman_composite_info_t *info)
417 {
418 PIXMAN_COMPOSITE_ARGS (info);
419 uint32_t src, srca;
420 uint8_t *dst_line, *dst;
421 uint32_t d;
422 uint8_t *mask_line, *mask, m;
423 int dst_stride, mask_stride;
424 int32_t w;
425
426 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
427
428 srca = src >> 24;
429 if (src == 0)
430 return;
431
432 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3);
433 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
434
435 while (height--)
436 {
437 dst = dst_line;
438 dst_line += dst_stride;
439 mask = mask_line;
440 mask_line += mask_stride;
441 w = width;
442
443 while (w--)
444 {
445 m = *mask++;
446 if (m == 0xff)
447 {
448 if (srca == 0xff)
449 {
450 d = src;
451 }
452 else
453 {
454 d = fetch_24 (dst);
455 d = over (src, d);
456 }
457 store_24 (dst, d);
458 }
459 else if (m)
460 {
461 d = over (in (src, m), fetch_24 (dst));
462 store_24 (dst, d);
463 }
464 dst += 3;
465 }
466 }
467 }
468
469 static void
470 fast_composite_over_n_8_0565 (pixman_implementation_t *imp,
471 pixman_composite_info_t *info)
472 {
473 PIXMAN_COMPOSITE_ARGS (info);
474 uint32_t src, srca;
475 uint16_t *dst_line, *dst;
476 uint32_t d;
477 uint8_t *mask_line, *mask, m;
478 int dst_stride, mask_stride;
479 int32_t w;
480
481 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
482
483 srca = src >> 24;
484 if (src == 0)
485 return;
486
487 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
488 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
489
490 while (height--)
491 {
492 dst = dst_line;
493 dst_line += dst_stride;
494 mask = mask_line;
495 mask_line += mask_stride;
496 w = width;
497
498 while (w--)
499 {
500 m = *mask++;
501 if (m == 0xff)
502 {
503 if (srca == 0xff)
504 {
505 d = src;
506 }
507 else
508 {
509 d = *dst;
510 d = over (src, convert_0565_to_0888 (d));
511 }
512 *dst = convert_8888_to_0565 (d);
513 }
514 else if (m)
515 {
516 d = *dst;
517 d = over (in (src, m), convert_0565_to_0888 (d));
518 *dst = convert_8888_to_0565 (d);
519 }
520 dst++;
521 }
522 }
523 }
524
525 static void
526 fast_composite_over_n_8888_0565_ca (pixman_implementation_t *imp,
527 pixman_composite_info_t *info)
528 {
529 PIXMAN_COMPOSITE_ARGS (info);
530 uint32_t src, srca, s;
531 uint16_t src16;
532 uint16_t *dst_line, *dst;
533 uint32_t d;
534 uint32_t *mask_line, *mask, ma;
535 int dst_stride, mask_stride;
536 int32_t w;
537
538 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
539
540 srca = src >> 24;
541 if (src == 0)
542 return;
543
544 src16 = convert_8888_to_0565 (src);
545
546 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
547 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
548
549 while (height--)
550 {
551 dst = dst_line;
552 dst_line += dst_stride;
553 mask = mask_line;
554 mask_line += mask_stride;
555 w = width;
556
557 while (w--)
558 {
559 ma = *mask++;
560 if (ma == 0xffffffff)
561 {
562 if (srca == 0xff)
563 {
564 *dst = src16;
565 }
566 else
567 {
568 d = *dst;
569 d = over (src, convert_0565_to_0888 (d));
570 *dst = convert_8888_to_0565 (d);
571 }
572 }
573 else if (ma)
574 {
575 d = *dst;
576 d = convert_0565_to_0888 (d);
577
578 s = src;
579
580 UN8x4_MUL_UN8x4 (s, ma);
581 UN8x4_MUL_UN8 (ma, srca);
582 ma = ~ma;
583 UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s);
584
585 *dst = convert_8888_to_0565 (d);
586 }
587 dst++;
588 }
589 }
590 }
591
592 static void
593 fast_composite_over_8888_8888 (pixman_implementation_t *imp,
594 pixman_composite_info_t *info)
595 {
596 PIXMAN_COMPOSITE_ARGS (info);
597 uint32_t *dst_line, *dst;
598 uint32_t *src_line, *src, s;
599 int dst_stride, src_stride;
600 uint8_t a;
601 int32_t w;
602
603 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
604 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
605
606 while (height--)
607 {
608 dst = dst_line;
609 dst_line += dst_stride;
610 src = src_line;
611 src_line += src_stride;
612 w = width;
613
614 while (w--)
615 {
616 s = *src++;
617 a = s >> 24;
618 if (a == 0xff)
619 *dst = s;
620 else if (s)
621 *dst = over (s, *dst);
622 dst++;
623 }
624 }
625 }
626
627 static void
628 fast_composite_src_x888_8888 (pixman_implementation_t *imp,
629 pixman_composite_info_t *info)
630 {
631 PIXMAN_COMPOSITE_ARGS (info);
632 uint32_t *dst_line, *dst;
633 uint32_t *src_line, *src;
634 int dst_stride, src_stride;
635 int32_t w;
636
637 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
638 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
639
640 while (height--)
641 {
642 dst = dst_line;
643 dst_line += dst_stride;
644 src = src_line;
645 src_line += src_stride;
646 w = width;
647
648 while (w--)
649 *dst++ = (*src++) | 0xff000000;
650 }
651 }
652
653 #if 0
654 static void
655 fast_composite_over_8888_0888 (pixman_implementation_t *imp,
656 pixman_composite_info_t *info)
657 {
658 PIXMAN_COMPOSITE_ARGS (info);
659 uint8_t *dst_line, *dst;
660 uint32_t d;
661 uint32_t *src_line, *src, s;
662 uint8_t a;
663 int dst_stride, src_stride;
664 int32_t w;
665
666 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3);
667 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
668
669 while (height--)
670 {
671 dst = dst_line;
672 dst_line += dst_stride;
673 src = src_line;
674 src_line += src_stride;
675 w = width;
676
677 while (w--)
678 {
679 s = *src++;
680 a = s >> 24;
681 if (a)
682 {
683 if (a == 0xff)
684 d = s;
685 else
686 d = over (s, fetch_24 (dst));
687
688 store_24 (dst, d);
689 }
690 dst += 3;
691 }
692 }
693 }
694 #endif
695
696 static void
697 fast_composite_over_8888_0565 (pixman_implementation_t *imp,
698 pixman_composite_info_t *info)
699 {
700 PIXMAN_COMPOSITE_ARGS (info);
701 uint16_t *dst_line, *dst;
702 uint32_t d;
703 uint32_t *src_line, *src, s;
704 uint8_t a;
705 int dst_stride, src_stride;
706 int32_t w;
707
708 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
709 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
710
711 while (height--)
712 {
713 dst = dst_line;
714 dst_line += dst_stride;
715 src = src_line;
716 src_line += src_stride;
717 w = width;
718
719 while (w--)
720 {
721 s = *src++;
722 a = s >> 24;
723 if (s)
724 {
725 if (a == 0xff)
726 {
727 d = s;
728 }
729 else
730 {
731 d = *dst;
732 d = over (s, convert_0565_to_0888 (d));
733 }
734 *dst = convert_8888_to_0565 (d);
735 }
736 dst++;
737 }
738 }
739 }
740
741 static void
742 fast_composite_add_8_8 (pixman_implementation_t *imp,
743 pixman_composite_info_t *info)
744 {
745 PIXMAN_COMPOSITE_ARGS (info);
746 uint8_t *dst_line, *dst;
747 uint8_t *src_line, *src;
748 int dst_stride, src_stride;
749 int32_t w;
750 uint8_t s, d;
751 uint16_t t;
752
753 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
754 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
755
756 while (height--)
757 {
758 dst = dst_line;
759 dst_line += dst_stride;
760 src = src_line;
761 src_line += src_stride;
762 w = width;
763
764 while (w--)
765 {
766 s = *src++;
767 if (s)
768 {
769 if (s != 0xff)
770 {
771 d = *dst;
772 t = d + s;
773 s = t | (0 - (t >> 8));
774 }
775 *dst = s;
776 }
777 dst++;
778 }
779 }
780 }
781
782 static void
783 fast_composite_add_0565_0565 (pixman_implementation_t *imp,
784 pixman_composite_info_t *info)
785 {
786 PIXMAN_COMPOSITE_ARGS (info);
787 uint16_t *dst_line, *dst;
788 uint32_t d;
789 uint16_t *src_line, *src;
790 uint32_t s;
791 int dst_stride, src_stride;
792 int32_t w;
793
794 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint16_t, src_stride, src_line, 1);
795 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
796
797 while (height--)
798 {
799 dst = dst_line;
800 dst_line += dst_stride;
801 src = src_line;
802 src_line += src_stride;
803 w = width;
804
805 while (w--)
806 {
807 s = *src++;
808 if (s)
809 {
810 d = *dst;
811 s = convert_0565_to_8888 (s);
812 if (d)
813 {
814 d = convert_0565_to_8888 (d);
815 UN8x4_ADD_UN8x4 (s, d);
816 }
817 *dst = convert_8888_to_0565 (s);
818 }
819 dst++;
820 }
821 }
822 }
823
824 static void
825 fast_composite_add_8888_8888 (pixman_implementation_t *imp,
826 pixman_composite_info_t *info)
827 {
828 PIXMAN_COMPOSITE_ARGS (info);
829 uint32_t *dst_line, *dst;
830 uint32_t *src_line, *src;
831 int dst_stride, src_stride;
832 int32_t w;
833 uint32_t s, d;
834
835 PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
836 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
837
838 while (height--)
839 {
840 dst = dst_line;
841 dst_line += dst_stride;
842 src = src_line;
843 src_line += src_stride;
844 w = width;
845
846 while (w--)
847 {
848 s = *src++;
849 if (s)
850 {
851 if (s != 0xffffffff)
852 {
853 d = *dst;
854 if (d)
855 UN8x4_ADD_UN8x4 (s, d);
856 }
857 *dst = s;
858 }
859 dst++;
860 }
861 }
862 }
863
864 static void
865 fast_composite_add_n_8_8 (pixman_implementation_t *imp,
866 pixman_composite_info_t *info)
867 {
868 PIXMAN_COMPOSITE_ARGS (info);
869 uint8_t *dst_line, *dst;
870 uint8_t *mask_line, *mask;
871 int dst_stride, mask_stride;
872 int32_t w;
873 uint32_t src;
874 uint8_t sa;
875
876 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
877 PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
878 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
879 sa = (src >> 24);
880
881 while (height--)
882 {
883 dst = dst_line;
884 dst_line += dst_stride;
885 mask = mask_line;
886 mask_line += mask_stride;
887 w = width;
888
889 while (w--)
890 {
891 uint16_t tmp;
892 uint16_t a;
893 uint32_t m, d;
894 uint32_t r;
895
896 a = *mask++;
897 d = *dst;
898
899 m = MUL_UN8 (sa, a, tmp);
900 r = ADD_UN8 (m, d, tmp);
901
902 *dst++ = r;
903 }
904 }
905 }
906
907 #ifdef WORDS_BIGENDIAN
908 #define CREATE_BITMASK(n) (0x80000000 >> (n))
909 #define UPDATE_BITMASK(n) ((n) >> 1)
910 #else
911 #define CREATE_BITMASK(n) (1 << (n))
912 #define UPDATE_BITMASK(n) ((n) << 1)
913 #endif
914
915 #define TEST_BIT(p, n) \
916 (*((p) + ((n) >> 5)) & CREATE_BITMASK ((n) & 31))
917 #define SET_BIT(p, n) \
918 do { *((p) + ((n) >> 5)) |= CREATE_BITMASK ((n) & 31); } while (0);
919
920 static void
921 fast_composite_add_1_1 (pixman_implementation_t *imp,
922 pixman_composite_info_t *info)
923 {
924 PIXMAN_COMPOSITE_ARGS (info);
925 uint32_t *dst_line, *dst;
926 uint32_t *src_line, *src;
927 int dst_stride, src_stride;
928 int32_t w;
929
930 PIXMAN_IMAGE_GET_LINE (src_image, 0, src_y, uint32_t,
931 src_stride, src_line, 1);
932 PIXMAN_IMAGE_GET_LINE (dest_image, 0, dest_y, uint32_t,
933 dst_stride, dst_line, 1);
934
935 while (height--)
936 {
937 dst = dst_line;
938 dst_line += dst_stride;
939 src = src_line;
940 src_line += src_stride;
941 w = width;
942
943 while (w--)
944 {
945 /*
946 * TODO: improve performance by processing uint32_t data instead
947 * of individual bits
948 */
949 if (TEST_BIT (src, src_x + w))
950 SET_BIT (dst, dest_x + w);
951 }
952 }
953 }
954
955 static void
956 fast_composite_over_n_1_8888 (pixman_implementation_t *imp,
957 pixman_composite_info_t *info)
958 {
959 PIXMAN_COMPOSITE_ARGS (info);
960 uint32_t src, srca;
961 uint32_t *dst, *dst_line;
962 uint32_t *mask, *mask_line;
963 int mask_stride, dst_stride;
964 uint32_t bitcache, bitmask;
965 int32_t w;
966
967 if (width <= 0)
968 return;
969
970 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
971 srca = src >> 24;
972 if (src == 0)
973 return;
974
975 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t,
976 dst_stride, dst_line, 1);
977 PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t,
978 mask_stride, mask_line, 1);
979 mask_line += mask_x >> 5;
980
981 if (srca == 0xff)
982 {
983 while (height--)
984 {
985 dst = dst_line;
986 dst_line += dst_stride;
987 mask = mask_line;
988 mask_line += mask_stride;
989 w = width;
990
991 bitcache = *mask++;
992 bitmask = CREATE_BITMASK (mask_x & 31);
993
994 while (w--)
995 {
996 if (bitmask == 0)
997 {
998 bitcache = *mask++;
999 bitmask = CREATE_BITMASK (0);
1000 }
1001 if (bitcache & bitmask)
1002 *dst = src;
1003 bitmask = UPDATE_BITMASK (bitmask);
1004 dst++;
1005 }
1006 }
1007 }
1008 else
1009 {
1010 while (height--)
1011 {
1012 dst = dst_line;
1013 dst_line += dst_stride;
1014 mask = mask_line;
1015 mask_line += mask_stride;
1016 w = width;
1017
1018 bitcache = *mask++;
1019 bitmask = CREATE_BITMASK (mask_x & 31);
1020
1021 while (w--)
1022 {
1023 if (bitmask == 0)
1024 {
1025 bitcache = *mask++;
1026 bitmask = CREATE_BITMASK (0);
1027 }
1028 if (bitcache & bitmask)
1029 *dst = over (src, *dst);
1030 bitmask = UPDATE_BITMASK (bitmask);
1031 dst++;
1032 }
1033 }
1034 }
1035 }
1036
1037 static void
1038 fast_composite_over_n_1_0565 (pixman_implementation_t *imp,
1039 pixman_composite_info_t *info)
1040 {
1041 PIXMAN_COMPOSITE_ARGS (info);
1042 uint32_t src, srca;
1043 uint16_t *dst, *dst_line;
1044 uint32_t *mask, *mask_line;
1045 int mask_stride, dst_stride;
1046 uint32_t bitcache, bitmask;
1047 int32_t w;
1048 uint32_t d;
1049 uint16_t src565;
1050
1051 if (width <= 0)
1052 return;
1053
1054 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
1055 srca = src >> 24;
1056 if (src == 0)
1057 return;
1058
1059 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t,
1060 dst_stride, dst_line, 1);
1061 PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t,
1062 mask_stride, mask_line, 1);
1063 mask_line += mask_x >> 5;
1064
1065 if (srca == 0xff)
1066 {
1067 src565 = convert_8888_to_0565 (src);
1068 while (height--)
1069 {
1070 dst = dst_line;
1071 dst_line += dst_stride;
1072 mask = mask_line;
1073 mask_line += mask_stride;
1074 w = width;
1075
1076 bitcache = *mask++;
1077 bitmask = CREATE_BITMASK (mask_x & 31);
1078
1079 while (w--)
1080 {
1081 if (bitmask == 0)
1082 {
1083 bitcache = *mask++;
1084 bitmask = CREATE_BITMASK (0);
1085 }
1086 if (bitcache & bitmask)
1087 *dst = src565;
1088 bitmask = UPDATE_BITMASK (bitmask);
1089 dst++;
1090 }
1091 }
1092 }
1093 else
1094 {
1095 while (height--)
1096 {
1097 dst = dst_line;
1098 dst_line += dst_stride;
1099 mask = mask_line;
1100 mask_line += mask_stride;
1101 w = width;
1102
1103 bitcache = *mask++;
1104 bitmask = CREATE_BITMASK (mask_x & 31);
1105
1106 while (w--)
1107 {
1108 if (bitmask == 0)
1109 {
1110 bitcache = *mask++;
1111 bitmask = CREATE_BITMASK (0);
1112 }
1113 if (bitcache & bitmask)
1114 {
1115 d = over (src, convert_0565_to_0888 (*dst));
1116 *dst = convert_8888_to_0565 (d);
1117 }
1118 bitmask = UPDATE_BITMASK (bitmask);
1119 dst++;
1120 }
1121 }
1122 }
1123 }
1124
1125 /*
1126 * Simple bitblt
1127 */
1128
1129 static void
1130 fast_composite_solid_fill (pixman_implementation_t *imp,
1131 pixman_composite_info_t *info)
1132 {
1133 PIXMAN_COMPOSITE_ARGS (info);
1134 uint32_t src;
1135
1136 src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
1137
1138 if (dest_image->bits.format == PIXMAN_a1)
1139 {
1140 src = src >> 31;
1141 }
1142 else if (dest_image->bits.format == PIXMAN_a8)
1143 {
1144 src = src >> 24;
1145 }
1146 else if (dest_image->bits.format == PIXMAN_r5g6b5 ||
1147 dest_image->bits.format == PIXMAN_b5g6r5)
1148 {
1149 src = convert_8888_to_0565 (src);
1150 }
1151
1152 pixman_fill (dest_image->bits.bits, dest_image->bits.rowstride,
1153 PIXMAN_FORMAT_BPP (dest_image->bits.format),
1154 dest_x, dest_y,
1155 width, height,
1156 src);
1157 }
1158
1159 static void
1160 fast_composite_src_memcpy (pixman_implementation_t *imp,
1161 pixman_composite_info_t *info)
1162 {
1163 PIXMAN_COMPOSITE_ARGS (info);
1164 int bpp = PIXMAN_FORMAT_BPP (dest_image->bits.format) / 8;
1165 uint32_t n_bytes = width * bpp;
1166 int dst_stride, src_stride;
1167 uint8_t *dst;
1168 uint8_t *src;
1169
1170 src_stride = src_image->bits.rowstride * 4;
1171 dst_stride = dest_image->bits.rowstride * 4;
1172
1173 src = (uint8_t *)src_image->bits.bits + src_y * src_stride + src_x * bpp;
1174 dst = (uint8_t *)dest_image->bits.bits + dest_y * dst_stride + dest_x * bpp;
1175
1176 while (height--)
1177 {
1178 memcpy (dst, src, n_bytes);
1179
1180 dst += dst_stride;
1181 src += src_stride;
1182 }
1183 }
1184
1185 FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, SRC, COVER)
1186 FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, SRC, NONE)
1187 FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, SRC, PAD)
1188 FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, SRC, NORMAL)
1189 FAST_NEAREST (x888_8888_cover, x888, 8888, uint32_t, uint32_t, SRC, COVER)
1190 FAST_NEAREST (x888_8888_pad, x888, 8888, uint32_t, uint32_t, SRC, PAD)
1191 FAST_NEAREST (x888_8888_normal, x888, 8888, uint32_t, uint32_t, SRC, NORMAL)
1192 FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, OVER, COVER)
1193 FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, OVER, NONE)
1194 FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, OVER, PAD)
1195 FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, OVER, NORMAL)
1196 FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, SRC, COVER)
1197 FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, SRC, NONE)
1198 FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, SRC, PAD)
1199 FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, SRC, NORMAL)
1200 FAST_NEAREST (565_565_normal, 0565, 0565, uint16_t, uint16_t, SRC, NORMAL)
1201 FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, OVER, COVER)
1202 FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, OVER, NONE)
1203 FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, OVER, PAD)
1204 FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, OVER, NORMAL)
1205
1206 #define REPEAT_MIN_WIDTH 32
1207
1208 static void
1209 fast_composite_tiled_repeat (pixman_implementation_t *imp,
1210 pixman_composite_info_t *info)
1211 {
1212 PIXMAN_COMPOSITE_ARGS (info);
1213 pixman_composite_func_t func;
1214 pixman_format_code_t mask_format;
1215 uint32_t src_flags, mask_flags;
1216 int32_t sx, sy;
1217 int32_t width_remain;
1218 int32_t num_pixels;
1219 int32_t src_width;
1220 int32_t i, j;
1221 pixman_image_t extended_src_image;
1222 uint32_t extended_src[REPEAT_MIN_WIDTH * 2];
1223 pixman_bool_t need_src_extension;
1224 uint32_t *src_line;
1225 int32_t src_stride;
1226 int32_t src_bpp;
1227 pixman_composite_info_t info2 = *info;
1228
1229 src_flags = (info->src_flags & ~FAST_PATH_NORMAL_REPEAT) |
1230 FAST_PATH_SAMPLES_COVER_CLIP_NEAREST;
1231
1232 if (mask_image)
1233 {
1234 mask_format = mask_image->common.extended_format_code;
1235 mask_flags = info->mask_flags;
1236 }
1237 else
1238 {
1239 mask_format = PIXMAN_null;
1240 mask_flags = FAST_PATH_IS_OPAQUE;
1241 }
1242
1243 _pixman_implementation_lookup_composite (
1244 imp->toplevel, info->op,
1245 src_image->common.extended_format_code, src_flags,
1246 mask_format, mask_flags,
1247 dest_image->common.extended_format_code, info->dest_flags,
1248 &imp, &func);
1249
1250 src_bpp = PIXMAN_FORMAT_BPP (src_image->bits.format);
1251
1252 if (src_image->bits.width < REPEAT_MIN_WIDTH &&
1253 (src_bpp == 32 || src_bpp == 16 || src_bpp == 8) &&
1254 !src_image->bits.indexed)
1255 {
1256 sx = src_x;
1257 sx = MOD (sx, src_image->bits.width);
1258 sx += width;
1259 src_width = 0;
1260
1261 while (src_width < REPEAT_MIN_WIDTH && src_width <= sx)
1262 src_width += src_image->bits.width;
1263
1264 src_stride = (src_width * (src_bpp >> 3) + 3) / (int) sizeof (uint32_t);
1265
1266 /* Initialize/validate stack-allocated temporary image */
1267 _pixman_bits_image_init (&extended_src_image, src_image->bits.format,
1268 src_width, 1, &extended_src[0], src_stride,
1269 FALSE);
1270 _pixman_image_validate (&extended_src_image);
1271
1272 info2.src_image = &extended_src_image;
1273 need_src_extension = TRUE;
1274 }
1275 else
1276 {
1277 src_width = src_image->bits.width;
1278 need_src_extension = FALSE;
1279 }
1280
1281 sx = src_x;
1282 sy = src_y;
1283
1284 while (--height >= 0)
1285 {
1286 sx = MOD (sx, src_width);
1287 sy = MOD (sy, src_image->bits.height);
1288
1289 if (need_src_extension)
1290 {
1291 if (src_bpp == 32)
1292 {
1293 PIXMAN_IMAGE_GET_LINE (src_image, 0, sy, uint32_t, src_stride, src_line, 1);
1294
1295 for (i = 0; i < src_width; )
1296 {
1297 for (j = 0; j < src_image->bits.width; j++, i++)
1298 extended_src[i] = src_line[j];
1299 }
1300 }
1301 else if (src_bpp == 16)
1302 {
1303 uint16_t *src_line_16;
1304
1305 PIXMAN_IMAGE_GET_LINE (src_image, 0, sy, uint16_t, src_stride,
1306 src_line_16, 1);
1307 src_line = (uint32_t*)src_line_16;
1308
1309 for (i = 0; i < src_width; )
1310 {
1311 for (j = 0; j < src_image->bits.width; j++, i++)
1312 ((uint16_t*)extended_src)[i] = ((uint16_t*)src_line)[j];
1313 }
1314 }
1315 else if (src_bpp == 8)
1316 {
1317 uint8_t *src_line_8;
1318
1319 PIXMAN_IMAGE_GET_LINE (src_image, 0, sy, uint8_t, src_stride,
1320 src_line_8, 1);
1321 src_line = (uint32_t*)src_line_8;
1322
1323 for (i = 0; i < src_width; )
1324 {
1325 for (j = 0; j < src_image->bits.width; j++, i++)
1326 ((uint8_t*)extended_src)[i] = ((uint8_t*)src_line)[j];
1327 }
1328 }
1329
1330 info2.src_y = 0;
1331 }
1332 else
1333 {
1334 info2.src_y = sy;
1335 }
1336
1337 width_remain = width;
1338
1339 while (width_remain > 0)
1340 {
1341 num_pixels = src_width - sx;
1342
1343 if (num_pixels > width_remain)
1344 num_pixels = width_remain;
1345
1346 info2.src_x = sx;
1347 info2.width = num_pixels;
1348 info2.height = 1;
1349
1350 func (imp, &info2);
1351
1352 width_remain -= num_pixels;
1353 info2.mask_x += num_pixels;
1354 info2.dest_x += num_pixels;
1355 sx = 0;
1356 }
1357
1358 sx = src_x;
1359 sy++;
1360 info2.mask_x = info->mask_x;
1361 info2.mask_y++;
1362 info2.dest_x = info->dest_x;
1363 info2.dest_y++;
1364 }
1365
1366 if (need_src_extension)
1367 _pixman_image_fini (&extended_src_image);
1368 }
1369
1370 /* Use more unrolling for src_0565_0565 because it is typically CPU bound */
1371 static force_inline void
1372 scaled_nearest_scanline_565_565_SRC (uint16_t * dst,
1373 const uint16_t * src,
1374 int32_t w,
1375 pixman_fixed_t vx,
1376 pixman_fixed_t unit_x,
1377 pixman_fixed_t max_vx,
1378 pixman_bool_t fully_transparent_src)
1379 {
1380 uint16_t tmp1, tmp2, tmp3, tmp4;
1381 while ((w -= 4) >= 0)
1382 {
1383 tmp1 = *(src + pixman_fixed_to_int (vx));
1384 vx += unit_x;
1385 tmp2 = *(src + pixman_fixed_to_int (vx));
1386 vx += unit_x;
1387 tmp3 = *(src + pixman_fixed_to_int (vx));
1388 vx += unit_x;
1389 tmp4 = *(src + pixman_fixed_to_int (vx));
1390 vx += unit_x;
1391 *dst++ = tmp1;
1392 *dst++ = tmp2;
1393 *dst++ = tmp3;
1394 *dst++ = tmp4;
1395 }
1396 if (w & 2)
1397 {
1398 tmp1 = *(src + pixman_fixed_to_int (vx));
1399 vx += unit_x;
1400 tmp2 = *(src + pixman_fixed_to_int (vx));
1401 vx += unit_x;
1402 *dst++ = tmp1;
1403 *dst++ = tmp2;
1404 }
1405 if (w & 1)
1406 *dst = *(src + pixman_fixed_to_int (vx));
1407 }
1408
1409 FAST_NEAREST_MAINLOOP (565_565_cover_SRC,
1410 scaled_nearest_scanline_565_565_SRC,
1411 uint16_t, uint16_t, COVER)
1412 FAST_NEAREST_MAINLOOP (565_565_none_SRC,
1413 scaled_nearest_scanline_565_565_SRC,
1414 uint16_t, uint16_t, NONE)
1415 FAST_NEAREST_MAINLOOP (565_565_pad_SRC,
1416 scaled_nearest_scanline_565_565_SRC,
1417 uint16_t, uint16_t, PAD)
1418
1419 static force_inline uint32_t
1420 fetch_nearest (pixman_repeat_t src_repeat,
1421 pixman_format_code_t format,
1422 uint32_t *src, int x, int src_width)
1423 {
1424 if (repeat (src_repeat, &x, src_width))
1425 {
1426 if (format == PIXMAN_x8r8g8b8 || format == PIXMAN_x8b8g8r8)
1427 return *(src + x) | 0xff000000;
1428 else
1429 return *(src + x);
1430 }
1431 else
1432 {
1433 return 0;
1434 }
1435 }
1436
1437 static force_inline void
1438 combine_over (uint32_t s, uint32_t *dst)
1439 {
1440 if (s)
1441 {
1442 uint8_t ia = 0xff - (s >> 24);
1443
1444 if (ia)
1445 UN8x4_MUL_UN8_ADD_UN8x4 (*dst, ia, s);
1446 else
1447 *dst = s;
1448 }
1449 }
1450
1451 static force_inline void
1452 combine_src (uint32_t s, uint32_t *dst)
1453 {
1454 *dst = s;
1455 }
1456
1457 static void
1458 fast_composite_scaled_nearest (pixman_implementation_t *imp,
1459 pixman_composite_info_t *info)
1460 {
1461 PIXMAN_COMPOSITE_ARGS (info);
1462 uint32_t *dst_line;
1463 uint32_t *src_line;
1464 int dst_stride, src_stride;
1465 int src_width, src_height;
1466 pixman_repeat_t src_repeat;
1467 pixman_fixed_t unit_x, unit_y;
1468 pixman_format_code_t src_format;
1469 pixman_vector_t v;
1470 pixman_fixed_t vy;
1471
1472 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
1473 /* pass in 0 instead of src_x and src_y because src_x and src_y need to be
1474 * transformed from destination space to source space
1475 */
1476 PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, uint32_t, src_stride, src_line, 1);
1477
1478 /* reference point is the center of the pixel */
1479 v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2;
1480 v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2;
1481 v.vector[2] = pixman_fixed_1;
1482
1483 if (!pixman_transform_point_3d (src_image->common.transform, &v))
1484 return;
1485
1486 unit_x = src_image->common.transform->matrix[0][0];
1487 unit_y = src_image->common.transform->matrix[1][1];
1488
1489 /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */
1490 v.vector[0] -= pixman_fixed_e;
1491 v.vector[1] -= pixman_fixed_e;
1492
1493 src_height = src_image->bits.height;
1494 src_width = src_image->bits.width;
1495 src_repeat = src_image->common.repeat;
1496 src_format = src_image->bits.format;
1497
1498 vy = v.vector[1];
1499 while (height--)
1500 {
1501 pixman_fixed_t vx = v.vector[0];
1502 int y = pixman_fixed_to_int (vy);
1503 uint32_t *dst = dst_line;
1504
1505 dst_line += dst_stride;
1506
1507 /* adjust the y location by a unit vector in the y direction
1508 * this is equivalent to transforming y+1 of the destination point to source space */
1509 vy += unit_y;
1510
1511 if (!repeat (src_repeat, &y, src_height))
1512 {
1513 if (op == PIXMAN_OP_SRC)
1514 memset (dst, 0, sizeof (*dst) * width);
1515 }
1516 else
1517 {
1518 int w = width;
1519
1520 uint32_t *src = src_line + y * src_stride;
1521
1522 while (w >= 2)
1523 {
1524 uint32_t s1, s2;
1525 int x1, x2;
1526
1527 x1 = pixman_fixed_to_int (vx);
1528 vx += unit_x;
1529
1530 x2 = pixman_fixed_to_int (vx);
1531 vx += unit_x;
1532
1533 w -= 2;
1534
1535 s1 = fetch_nearest (src_repeat, src_format, src, x1, src_width);
1536 s2 = fetch_nearest (src_repeat, src_format, src, x2, src_width);
1537
1538 if (op == PIXMAN_OP_OVER)
1539 {
1540 combine_over (s1, dst++);
1541 combine_over (s2, dst++);
1542 }
1543 else
1544 {
1545 combine_src (s1, dst++);
1546 combine_src (s2, dst++);
1547 }
1548 }
1549
1550 while (w--)
1551 {
1552 uint32_t s;
1553 int x;
1554
1555 x = pixman_fixed_to_int (vx);
1556 vx += unit_x;
1557
1558 s = fetch_nearest (src_repeat, src_format, src, x, src_width);
1559
1560 if (op == PIXMAN_OP_OVER)
1561 combine_over (s, dst++);
1562 else
1563 combine_src (s, dst++);
1564 }
1565 }
1566 }
1567 }
1568
1569 #define CACHE_LINE_SIZE 64
1570
1571 #define FAST_SIMPLE_ROTATE(suffix, pix_type) \
1572 \
1573 static void \
1574 blt_rotated_90_trivial_##suffix (pix_type *dst, \
1575 int dst_stride, \
1576 const pix_type *src, \
1577 int src_stride, \
1578 int w, \
1579 int h) \
1580 { \
1581 int x, y; \
1582 for (y = 0; y < h; y++) \
1583 { \
1584 const pix_type *s = src + (h - y - 1); \
1585 pix_type *d = dst + dst_stride * y; \
1586 for (x = 0; x < w; x++) \
1587 { \
1588 *d++ = *s; \
1589 s += src_stride; \
1590 } \
1591 } \
1592 } \
1593 \
1594 static void \
1595 blt_rotated_270_trivial_##suffix (pix_type *dst, \
1596 int dst_stride, \
1597 const pix_type *src, \
1598 int src_stride, \
1599 int w, \
1600 int h) \
1601 { \
1602 int x, y; \
1603 for (y = 0; y < h; y++) \
1604 { \
1605 const pix_type *s = src + src_stride * (w - 1) + y; \
1606 pix_type *d = dst + dst_stride * y; \
1607 for (x = 0; x < w; x++) \
1608 { \
1609 *d++ = *s; \
1610 s -= src_stride; \
1611 } \
1612 } \
1613 } \
1614 \
1615 static void \
1616 blt_rotated_90_##suffix (pix_type *dst, \
1617 int dst_stride, \
1618 const pix_type *src, \
1619 int src_stride, \
1620 int W, \
1621 int H) \
1622 { \
1623 int x; \
1624 int leading_pixels = 0, trailing_pixels = 0; \
1625 const int TILE_SIZE = CACHE_LINE_SIZE / sizeof(pix_type); \
1626 \
1627 /* \
1628 * split processing into handling destination as TILE_SIZExH cache line \
1629 * aligned vertical stripes (optimistically assuming that destination \
1630 * stride is a multiple of cache line, if not - it will be just a bit \
1631 * slower) \
1632 */ \
1633 \
1634 if ((uintptr_t)dst & (CACHE_LINE_SIZE - 1)) \
1635 { \
1636 leading_pixels = TILE_SIZE - (((uintptr_t)dst & \
1637 (CACHE_LINE_SIZE - 1)) / sizeof(pix_type)); \
1638 if (leading_pixels > W) \
1639 leading_pixels = W; \
1640 \
1641 /* unaligned leading part NxH (where N < TILE_SIZE) */ \
1642 blt_rotated_90_trivial_##suffix ( \
1643 dst, \
1644 dst_stride, \
1645 src, \
1646 src_stride, \
1647 leading_pixels, \
1648 H); \
1649 \
1650 dst += leading_pixels; \
1651 src += leading_pixels * src_stride; \
1652 W -= leading_pixels; \
1653 } \
1654 \
1655 if ((uintptr_t)(dst + W) & (CACHE_LINE_SIZE - 1)) \
1656 { \
1657 trailing_pixels = (((uintptr_t)(dst + W) & \
1658 (CACHE_LINE_SIZE - 1)) / sizeof(pix_type)); \
1659 if (trailing_pixels > W) \
1660 trailing_pixels = W; \
1661 W -= trailing_pixels; \
1662 } \
1663 \
1664 for (x = 0; x < W; x += TILE_SIZE) \
1665 { \
1666 /* aligned middle part TILE_SIZExH */ \
1667 blt_rotated_90_trivial_##suffix ( \
1668 dst + x, \
1669 dst_stride, \
1670 src + src_stride * x, \
1671 src_stride, \
1672 TILE_SIZE, \
1673 H); \
1674 } \
1675 \
1676 if (trailing_pixels) \
1677 { \
1678 /* unaligned trailing part NxH (where N < TILE_SIZE) */ \
1679 blt_rotated_90_trivial_##suffix ( \
1680 dst + W, \
1681 dst_stride, \
1682 src + W * src_stride, \
1683 src_stride, \
1684 trailing_pixels, \
1685 H); \
1686 } \
1687 } \
1688 \
1689 static void \
1690 blt_rotated_270_##suffix (pix_type *dst, \
1691 int dst_stride, \
1692 const pix_type *src, \
1693 int src_stride, \
1694 int W, \
1695 int H) \
1696 { \
1697 int x; \
1698 int leading_pixels = 0, trailing_pixels = 0; \
1699 const int TILE_SIZE = CACHE_LINE_SIZE / sizeof(pix_type); \
1700 \
1701 /* \
1702 * split processing into handling destination as TILE_SIZExH cache line \
1703 * aligned vertical stripes (optimistically assuming that destination \
1704 * stride is a multiple of cache line, if not - it will be just a bit \
1705 * slower) \
1706 */ \
1707 \
1708 if ((uintptr_t)dst & (CACHE_LINE_SIZE - 1)) \
1709 { \
1710 leading_pixels = TILE_SIZE - (((uintptr_t)dst & \
1711 (CACHE_LINE_SIZE - 1)) / sizeof(pix_type)); \
1712 if (leading_pixels > W) \
1713 leading_pixels = W; \
1714 \
1715 /* unaligned leading part NxH (where N < TILE_SIZE) */ \
1716 blt_rotated_270_trivial_##suffix ( \
1717 dst, \
1718 dst_stride, \
1719 src + src_stride * (W - leading_pixels), \
1720 src_stride, \
1721 leading_pixels, \
1722 H); \
1723 \
1724 dst += leading_pixels; \
1725 W -= leading_pixels; \
1726 } \
1727 \
1728 if ((uintptr_t)(dst + W) & (CACHE_LINE_SIZE - 1)) \
1729 { \
1730 trailing_pixels = (((uintptr_t)(dst + W) & \
1731 (CACHE_LINE_SIZE - 1)) / sizeof(pix_type)); \
1732 if (trailing_pixels > W) \
1733 trailing_pixels = W; \
1734 W -= trailing_pixels; \
1735 src += trailing_pixels * src_stride; \
1736 } \
1737 \
1738 for (x = 0; x < W; x += TILE_SIZE) \
1739 { \
1740 /* aligned middle part TILE_SIZExH */ \
1741 blt_rotated_270_trivial_##suffix ( \
1742 dst + x, \
1743 dst_stride, \
1744 src + src_stride * (W - x - TILE_SIZE), \
1745 src_stride, \
1746 TILE_SIZE, \
1747 H); \
1748 } \
1749 \
1750 if (trailing_pixels) \
1751 { \
1752 /* unaligned trailing part NxH (where N < TILE_SIZE) */ \
1753 blt_rotated_270_trivial_##suffix ( \
1754 dst + W, \
1755 dst_stride, \
1756 src - trailing_pixels * src_stride, \
1757 src_stride, \
1758 trailing_pixels, \
1759 H); \
1760 } \
1761 } \
1762 \
1763 static void \
1764 fast_composite_rotate_90_##suffix (pixman_implementation_t *imp, \
1765 pixman_composite_info_t *info) \
1766 { \
1767 PIXMAN_COMPOSITE_ARGS (info); \
1768 pix_type *dst_line; \
1769 pix_type *src_line; \
1770 int dst_stride, src_stride; \
1771 int src_x_t, src_y_t; \
1772 \
1773 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, pix_type, \
1774 dst_stride, dst_line, 1); \
1775 src_x_t = -src_y + pixman_fixed_to_int ( \
1776 src_image->common.transform->matrix[0][2] + \
1777 pixman_fixed_1 / 2 - pixman_fixed_e) - height;\
1778 src_y_t = src_x + pixman_fixed_to_int ( \
1779 src_image->common.transform->matrix[1][2] + \
1780 pixman_fixed_1 / 2 - pixman_fixed_e); \
1781 PIXMAN_IMAGE_GET_LINE (src_image, src_x_t, src_y_t, pix_type, \
1782 src_stride, src_line, 1); \
1783 blt_rotated_90_##suffix (dst_line, dst_stride, src_line, src_stride, \
1784 width, height); \
1785 } \
1786 \
1787 static void \
1788 fast_composite_rotate_270_##suffix (pixman_implementation_t *imp, \
1789 pixman_composite_info_t *info) \
1790 { \
1791 PIXMAN_COMPOSITE_ARGS (info); \
1792 pix_type *dst_line; \
1793 pix_type *src_line; \
1794 int dst_stride, src_stride; \
1795 int src_x_t, src_y_t; \
1796 \
1797 PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, pix_type, \
1798 dst_stride, dst_line, 1); \
1799 src_x_t = src_y + pixman_fixed_to_int ( \
1800 src_image->common.transform->matrix[0][2] + \
1801 pixman_fixed_1 / 2 - pixman_fixed_e); \
1802 src_y_t = -src_x + pixman_fixed_to_int ( \
1803 src_image->common.transform->matrix[1][2] + \
1804 pixman_fixed_1 / 2 - pixman_fixed_e) - width; \
1805 PIXMAN_IMAGE_GET_LINE (src_image, src_x_t, src_y_t, pix_type, \
1806 src_stride, src_line, 1); \
1807 blt_rotated_270_##suffix (dst_line, dst_stride, src_line, src_stride, \
1808 width, height); \
1809 }
1810
1811 FAST_SIMPLE_ROTATE (8, uint8_t)
1812 FAST_SIMPLE_ROTATE (565, uint16_t)
1813 FAST_SIMPLE_ROTATE (8888, uint32_t)
1814
1815 static const pixman_fast_path_t c_fast_paths[] =
1816 {
1817 PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, fast_composite_over_n_8_0565),
1818 PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, fast_composite_over_n_8_0565),
1819 PIXMAN_STD_FAST_PATH (OVER, solid, a8, r8g8b8, fast_composite_over_n_8_0888),
1820 PIXMAN_STD_FAST_PATH (OVER, solid, a8, b8g8r8, fast_composite_over_n_8_0888),
1821 PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, fast_composite_over_n_8_8888),
1822 PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, fast_composite_over_n_8_8888),
1823 PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, fast_composite_over_n_8_8888),
1824 PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, fast_composite_over_n_8_8888),
1825 PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8r8g8b8, fast_composite_over_n_1_8888),
1826 PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8r8g8b8, fast_composite_over_n_1_8888),
1827 PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8b8g8r8, fast_composite_over_n_1_8888),
1828 PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8b8g8r8, fast_composite_over_n_1_8888),
1829 PIXMAN_STD_FAST_PATH (OVER, solid, a1, r5g6b5, fast_composite_over_n_1_0565),
1830 PIXMAN_STD_FAST_PATH (OVER, solid, a1, b5g6r5, fast_composite_over_n_1_0565),
1831 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, fast_composite_over_n_8888_8888_ca),
1832 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, fast_composite_over_n_8888_8888_ca),
1833 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, r5g6b5, fast_composite_over_n_8888_0565_ca),
1834 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, fast_composite_over_n_8888_8888_ca),
1835 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, fast_composite_over_n_8888_8888_ca),
1836 PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, b5g6r5, fast_composite_over_n_8888_0565_ca),
1837 PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, x8r8g8b8, fast_composite_over_x888_8_8888),
1838 PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, a8r8g8b8, fast_composite_over_x888_8_8888),
1839 PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, x8b8g8r8, fast_composite_over_x888_8_8888),
1840 PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, a8b8g8r8, fast_composite_over_x888_8_8888),
1841 PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, fast_composite_over_8888_8888),
1842 PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, fast_composite_over_8888_8888),
1843 PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, fast_composite_over_8888_0565),
1844 PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888),
1845 PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888),
1846 PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565),
1847 PIXMAN_STD_FAST_PATH (ADD, r5g6b5, null, r5g6b5, fast_composite_add_0565_0565),
1848 PIXMAN_STD_FAST_PATH (ADD, b5g6r5, null, b5g6r5, fast_composite_add_0565_0565),
1849 PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, fast_composite_add_8888_8888),
1850 PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, fast_composite_add_8888_8888),
1851 PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, fast_composite_add_8_8),
1852 PIXMAN_STD_FAST_PATH (ADD, a1, null, a1, fast_composite_add_1_1),
1853 PIXMAN_STD_FAST_PATH_CA (ADD, solid, a8r8g8b8, a8r8g8b8, fast_composite_add_n_8888_8888_ca),
1854 PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, fast_composite_add_n_8_8),
1855 PIXMAN_STD_FAST_PATH (SRC, solid, null, a8r8g8b8, fast_composite_solid_fill),
1856 PIXMAN_STD_FAST_PATH (SRC, solid, null, x8r8g8b8, fast_composite_solid_fill),
1857 PIXMAN_STD_FAST_PATH (SRC, solid, null, a8b8g8r8, fast_composite_solid_fill),
1858 PIXMAN_STD_FAST_PATH (SRC, solid, null, x8b8g8r8, fast_composite_solid_fill),
1859 PIXMAN_STD_FAST_PATH (SRC, solid, null, a1, fast_composite_solid_fill),
1860 PIXMAN_STD_FAST_PATH (SRC, solid, null, a8, fast_composite_solid_fill),
1861 PIXMAN_STD_FAST_PATH (SRC, solid, null, r5g6b5, fast_composite_solid_fill),
1862 PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, fast_composite_src_x888_8888),
1863 PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, fast_composite_src_x888_8888),
1864 PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy),
1865 PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, fast_composite_src_memcpy),
1866 PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy),
1867 PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy),
1868 PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, fast_composite_src_memcpy),
1869 PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy),
1870 PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8x8, fast_composite_src_memcpy),
1871 PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8a8, fast_composite_src_memcpy),
1872 PIXMAN_STD_FAST_PATH (SRC, b8g8r8x8, null, b8g8r8x8, fast_composite_src_memcpy),
1873 PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, fast_composite_src_memcpy),
1874 PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, fast_composite_src_memcpy),
1875 PIXMAN_STD_FAST_PATH (SRC, r8g8b8, null, r8g8b8, fast_composite_src_memcpy),
1876 PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, b8g8r8, fast_composite_src_memcpy),
1877 PIXMAN_STD_FAST_PATH (SRC, x1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy),
1878 PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy),
1879 PIXMAN_STD_FAST_PATH (SRC, a8, null, a8, fast_composite_src_memcpy),
1880 PIXMAN_STD_FAST_PATH (IN, a8, null, a8, fast_composite_in_8_8),
1881 PIXMAN_STD_FAST_PATH (IN, solid, a8, a8, fast_composite_in_n_8_8),
1882
1883 SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, 8888_8888),
1884 SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, 8888_8888),
1885 SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8, 8888_8888),
1886 SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8, 8888_8888),
1887
1888 SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, 8888_8888),
1889 SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8, 8888_8888),
1890
1891 SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, r5g6b5, 8888_565),
1892 SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, r5g6b5, 8888_565),
1893
1894 SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, 565_565),
1895
1896 SIMPLE_NEAREST_FAST_PATH_COVER (SRC, x8r8g8b8, a8r8g8b8, x888_8888),
1897 SIMPLE_NEAREST_FAST_PATH_COVER (SRC, x8b8g8r8, a8b8g8r8, x888_8888),
1898 SIMPLE_NEAREST_FAST_PATH_PAD (SRC, x8r8g8b8, a8r8g8b8, x888_8888),
1899 SIMPLE_NEAREST_FAST_PATH_PAD (SRC, x8b8g8r8, a8b8g8r8, x888_8888),
1900 SIMPLE_NEAREST_FAST_PATH_NORMAL (SRC, x8r8g8b8, a8r8g8b8, x888_8888),
1901 SIMPLE_NEAREST_FAST_PATH_NORMAL (SRC, x8b8g8r8, a8b8g8r8, x888_8888),
1902
1903 SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, 8888_8888),
1904 SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, 8888_8888),
1905 SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, 8888_8888),
1906 SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, 8888_8888),
1907
1908 SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, r5g6b5, 8888_565),
1909
1910 #define NEAREST_FAST_PATH(op,s,d) \
1911 { PIXMAN_OP_ ## op, \
1912 PIXMAN_ ## s, SCALED_NEAREST_FLAGS, \
1913 PIXMAN_null, 0, \
1914 PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
1915 fast_composite_scaled_nearest, \
1916 }
1917
1918 NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8),
1919 NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8),
1920 NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8),
1921 NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8),
1922
1923 NEAREST_FAST_PATH (SRC, x8r8g8b8, a8r8g8b8),
1924 NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8),
1925 NEAREST_FAST_PATH (SRC, x8b8g8r8, a8b8g8r8),
1926 NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8),
1927
1928 NEAREST_FAST_PATH (OVER, x8r8g8b8, x8r8g8b8),
1929 NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8),
1930 NEAREST_FAST_PATH (OVER, x8b8g8r8, x8b8g8r8),
1931 NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8),
1932
1933 NEAREST_FAST_PATH (OVER, x8r8g8b8, a8r8g8b8),
1934 NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8),
1935 NEAREST_FAST_PATH (OVER, x8b8g8r8, a8b8g8r8),
1936 NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8),
1937
1938 #define SIMPLE_ROTATE_FLAGS(angle) \
1939 (FAST_PATH_ROTATE_ ## angle ## _TRANSFORM | \
1940 FAST_PATH_NEAREST_FILTER | \
1941 FAST_PATH_SAMPLES_COVER_CLIP_NEAREST | \
1942 FAST_PATH_STANDARD_FLAGS)
1943
1944 #define SIMPLE_ROTATE_FAST_PATH(op,s,d,suffix) \
1945 { PIXMAN_OP_ ## op, \
1946 PIXMAN_ ## s, SIMPLE_ROTATE_FLAGS (90), \
1947 PIXMAN_null, 0, \
1948 PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
1949 fast_composite_rotate_90_##suffix, \
1950 }, \
1951 { PIXMAN_OP_ ## op, \
1952 PIXMAN_ ## s, SIMPLE_ROTATE_FLAGS (270), \
1953 PIXMAN_null, 0, \
1954 PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
1955 fast_composite_rotate_270_##suffix, \
1956 }
1957
1958 SIMPLE_ROTATE_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, 8888),
1959 SIMPLE_ROTATE_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, 8888),
1960 SIMPLE_ROTATE_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, 8888),
1961 SIMPLE_ROTATE_FAST_PATH (SRC, r5g6b5, r5g6b5, 565),
1962 SIMPLE_ROTATE_FAST_PATH (SRC, a8, a8, 8),
1963
1964 /* Simple repeat fast path entry. */
1965 { PIXMAN_OP_any,
1966 PIXMAN_any,
1967 (FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM | FAST_PATH_BITS_IMAGE |
1968 FAST_PATH_NORMAL_REPEAT),
1969 PIXMAN_any, 0,
1970 PIXMAN_any, FAST_PATH_STD_DEST_FLAGS,
1971 fast_composite_tiled_repeat
1972 },
1973
1974 { PIXMAN_OP_NONE },
1975 };
1976
1977 #ifdef WORDS_BIGENDIAN
1978 #define A1_FILL_MASK(n, offs) (((1U << (n)) - 1) << (32 - (offs) - (n)))
1979 #else
1980 #define A1_FILL_MASK(n, offs) (((1U << (n)) - 1) << (offs))
1981 #endif
1982
1983 static force_inline void
1984 pixman_fill1_line (uint32_t *dst, int offs, int width, int v)
1985 {
1986 if (offs)
1987 {
1988 int leading_pixels = 32 - offs;
1989 if (leading_pixels >= width)
1990 {
1991 if (v)
1992 *dst |= A1_FILL_MASK (width, offs);
1993 else
1994 *dst &= ~A1_FILL_MASK (width, offs);
1995 return;
1996 }
1997 else
1998 {
1999 if (v)
2000 *dst++ |= A1_FILL_MASK (leading_pixels, offs);
2001 else
2002 *dst++ &= ~A1_FILL_MASK (leading_pixels, offs);
2003 width -= leading_pixels;
2004 }
2005 }
2006 while (width >= 32)
2007 {
2008 if (v)
2009 *dst++ = 0xFFFFFFFF;
2010 else
2011 *dst++ = 0;
2012 width -= 32;
2013 }
2014 if (width > 0)
2015 {
2016 if (v)
2017 *dst |= A1_FILL_MASK (width, 0);
2018 else
2019 *dst &= ~A1_FILL_MASK (width, 0);
2020 }
2021 }
2022
2023 static void
2024 pixman_fill1 (uint32_t *bits,
2025 int stride,
2026 int x,
2027 int y,
2028 int width,
2029 int height,
2030 uint32_t filler)
2031 {
2032 uint32_t *dst = bits + y * stride + (x >> 5);
2033 int offs = x & 31;
2034
2035 if (filler & 1)
2036 {
2037 while (height--)
2038 {
2039 pixman_fill1_line (dst, offs, width, 1);
2040 dst += stride;
2041 }
2042 }
2043 else
2044 {
2045 while (height--)
2046 {
2047 pixman_fill1_line (dst, offs, width, 0);
2048 dst += stride;
2049 }
2050 }
2051 }
2052
2053 static void
2054 pixman_fill8 (uint32_t *bits,
2055 int stride,
2056 int x,
2057 int y,
2058 int width,
2059 int height,
2060 uint32_t filler)
2061 {
2062 int byte_stride = stride * (int) sizeof (uint32_t);
2063 uint8_t *dst = (uint8_t *) bits;
2064 uint8_t v = filler & 0xff;
2065 int i;
2066
2067 dst = dst + y * byte_stride + x;
2068
2069 while (height--)
2070 {
2071 for (i = 0; i < width; ++i)
2072 dst[i] = v;
2073
2074 dst += byte_stride;
2075 }
2076 }
2077
2078 static void
2079 pixman_fill16 (uint32_t *bits,
2080 int stride,
2081 int x,
2082 int y,
2083 int width,
2084 int height,
2085 uint32_t filler)
2086 {
2087 int short_stride =
2088 (stride * (int)sizeof (uint32_t)) / (int)sizeof (uint16_t);
2089 uint16_t *dst = (uint16_t *)bits;
2090 uint16_t v = filler & 0xffff;
2091 int i;
2092
2093 dst = dst + y * short_stride + x;
2094
2095 while (height--)
2096 {
2097 for (i = 0; i < width; ++i)
2098 dst[i] = v;
2099
2100 dst += short_stride;
2101 }
2102 }
2103
2104 static void
2105 pixman_fill32 (uint32_t *bits,
2106 int stride,
2107 int x,
2108 int y,
2109 int width,
2110 int height,
2111 uint32_t filler)
2112 {
2113 int i;
2114
2115 bits = bits + y * stride + x;
2116
2117 while (height--)
2118 {
2119 for (i = 0; i < width; ++i)
2120 bits[i] = filler;
2121
2122 bits += stride;
2123 }
2124 }
2125
2126 static pixman_bool_t
2127 fast_path_fill (pixman_implementation_t *imp,
2128 uint32_t * bits,
2129 int stride,
2130 int bpp,
2131 int x,
2132 int y,
2133 int width,
2134 int height,
2135 uint32_t filler)
2136 {
2137 switch (bpp)
2138 {
2139 case 1:
2140 pixman_fill1 (bits, stride, x, y, width, height, filler);
2141 break;
2142
2143 case 8:
2144 pixman_fill8 (bits, stride, x, y, width, height, filler);
2145 break;
2146
2147 case 16:
2148 pixman_fill16 (bits, stride, x, y, width, height, filler);
2149 break;
2150
2151 case 32:
2152 pixman_fill32 (bits, stride, x, y, width, height, filler);
2153 break;
2154
2155 default:
2156 return FALSE;
2157 }
2158
2159 return TRUE;
2160 }
2161
2162 /*****************************************************************************/
2163
2164 static uint32_t *
2165 fast_fetch_r5g6b5 (pixman_iter_t *iter, const uint32_t *mask)
2166 {
2167 int32_t w = iter->width;
2168 uint32_t *dst = iter->buffer;
2169 const uint16_t *src = (const uint16_t *)iter->bits;
2170
2171 iter->bits += iter->stride;
2172
2173 /* Align the source buffer at 4 bytes boundary */
2174 if (w > 0 && ((uintptr_t)src & 3))
2175 {
2176 *dst++ = convert_0565_to_8888 (*src++);
2177 w--;
2178 }
2179 /* Process two pixels per iteration */
2180 while ((w -= 2) >= 0)
2181 {
2182 uint32_t sr, sb, sg, t0, t1;
2183 uint32_t s = *(const uint32_t *)src;
2184 src += 2;
2185 sr = (s >> 8) & 0x00F800F8;
2186 sb = (s << 3) & 0x00F800F8;
2187 sg = (s >> 3) & 0x00FC00FC;
2188 sr |= sr >> 5;
2189 sb |= sb >> 5;
2190 sg |= sg >> 6;
2191 t0 = ((sr << 16) & 0x00FF0000) | ((sg << 8) & 0x0000FF00) |
2192 (sb & 0xFF) | 0xFF000000;
2193 t1 = (sr & 0x00FF0000) | ((sg >> 8) & 0x0000FF00) |
2194 (sb >> 16) | 0xFF000000;
2195 #ifdef WORDS_BIGENDIAN
2196 *dst++ = t1;
2197 *dst++ = t0;
2198 #else
2199 *dst++ = t0;
2200 *dst++ = t1;
2201 #endif
2202 }
2203 if (w & 1)
2204 {
2205 *dst = convert_0565_to_8888 (*src);
2206 }
2207
2208 return iter->buffer;
2209 }
2210
2211 static uint32_t *
2212 fast_dest_fetch_noop (pixman_iter_t *iter, const uint32_t *mask)
2213 {
2214 iter->bits += iter->stride;
2215 return iter->buffer;
2216 }
2217
2218 /* Helper function for a workaround, which tries to ensure that 0x1F001F
2219 * constant is always allocated in a register on RISC architectures.
2220 */
2221 static force_inline uint32_t
2222 convert_8888_to_0565_workaround (uint32_t s, uint32_t x1F001F)
2223 {
2224 uint32_t a, b;
2225 a = (s >> 3) & x1F001F;
2226 b = s & 0xFC00;
2227 a |= a >> 5;
2228 a |= b >> 5;
2229 return a;
2230 }
2231
2232 static void
2233 fast_write_back_r5g6b5 (pixman_iter_t *iter)
2234 {
2235 int32_t w = iter->width;
2236 uint16_t *dst = (uint16_t *)(iter->bits - iter->stride);
2237 const uint32_t *src = iter->buffer;
2238 /* Workaround to ensure that x1F001F variable is allocated in a register */
2239 static volatile uint32_t volatile_x1F001F = 0x1F001F;
2240 uint32_t x1F001F = volatile_x1F001F;
2241
2242 while ((w -= 4) >= 0)
2243 {
2244 uint32_t s1 = *src++;
2245 uint32_t s2 = *src++;
2246 uint32_t s3 = *src++;
2247 uint32_t s4 = *src++;
2248 *dst++ = convert_8888_to_0565_workaround (s1, x1F001F);
2249 *dst++ = convert_8888_to_0565_workaround (s2, x1F001F);
2250 *dst++ = convert_8888_to_0565_workaround (s3, x1F001F);
2251 *dst++ = convert_8888_to_0565_workaround (s4, x1F001F);
2252 }
2253 if (w & 2)
2254 {
2255 *dst++ = convert_8888_to_0565_workaround (*src++, x1F001F);
2256 *dst++ = convert_8888_to_0565_workaround (*src++, x1F001F);
2257 }
2258 if (w & 1)
2259 {
2260 *dst = convert_8888_to_0565_workaround (*src, x1F001F);
2261 }
2262 }
2263
2264 typedef struct
2265 {
2266 int y;
2267 uint64_t * buffer;
2268 } line_t;
2269
2270 typedef struct
2271 {
2272 line_t lines[2];
2273 pixman_fixed_t y;
2274 pixman_fixed_t x;
2275 uint64_t data[1];
2276 } bilinear_info_t;
2277
2278 static void
2279 fetch_horizontal (bits_image_t *image, line_t *line,
2280 int y, pixman_fixed_t x, pixman_fixed_t ux, int n)
2281 {
2282 uint32_t *bits = image->bits + y * image->rowstride;
2283 int i;
2284
2285 for (i = 0; i < n; ++i)
2286 {
2287 int x0 = pixman_fixed_to_int (x);
2288 int x1 = x0 + 1;
2289 int32_t dist_x;
2290
2291 uint32_t left = *(bits + x0);
2292 uint32_t right = *(bits + x1);
2293
2294 dist_x = pixman_fixed_to_bilinear_weight (x);
2295 dist_x <<= (8 - BILINEAR_INTERPOLATION_BITS);
2296
2297 #if SIZEOF_LONG <= 4
2298 {
2299 uint32_t lag, rag, ag;
2300 uint32_t lrb, rrb, rb;
2301
2302 lag = (left & 0xff00ff00) >> 8;
2303 rag = (right & 0xff00ff00) >> 8;
2304 ag = (lag << 8) + dist_x * (rag - lag);
2305
2306 lrb = (left & 0x00ff00ff);
2307 rrb = (right & 0x00ff00ff);
2308 rb = (lrb << 8) + dist_x * (rrb - lrb);
2309
2310 *((uint32_t *)(line->buffer + i)) = ag;
2311 *((uint32_t *)(line->buffer + i) + 1) = rb;
2312 }
2313 #else
2314 {
2315 uint64_t lagrb, ragrb;
2316 uint32_t lag, rag;
2317 uint32_t lrb, rrb;
2318
2319 lag = (left & 0xff00ff00);
2320 lrb = (left & 0x00ff00ff);
2321 rag = (right & 0xff00ff00);
2322 rrb = (right & 0x00ff00ff);
2323 lagrb = (((uint64_t)lag) << 24) | lrb;
2324 ragrb = (((uint64_t)rag) << 24) | rrb;
2325
2326 line->buffer[i] = (lagrb << 8) + dist_x * (ragrb - lagrb);
2327 }
2328 #endif
2329
2330 x += ux;
2331 }
2332
2333 line->y = y;
2334 }
2335
2336 static uint32_t *
2337 fast_fetch_bilinear_cover (pixman_iter_t *iter, const uint32_t *mask)
2338 {
2339 pixman_fixed_t fx, ux;
2340 bilinear_info_t *info = iter->data;
2341 line_t *line0, *line1;
2342 int y0, y1;
2343 int32_t dist_y;
2344 int i;
2345
2346 COMPILE_TIME_ASSERT (BILINEAR_INTERPOLATION_BITS < 8);
2347
2348 fx = info->x;
2349 ux = iter->image->common.transform->matrix[0][0];
2350
2351 y0 = pixman_fixed_to_int (info->y);
2352 y1 = y0 + 1;
2353 dist_y = pixman_fixed_to_bilinear_weight (info->y);
2354 dist_y <<= (8 - BILINEAR_INTERPOLATION_BITS);
2355
2356 line0 = &info->lines[y0 & 0x01];
2357 line1 = &info->lines[y1 & 0x01];
2358
2359 if (line0->y != y0)
2360 {
2361 fetch_horizontal (
2362 &iter->image->bits, line0, y0, fx, ux, iter->width);
2363 }
2364
2365 if (line1->y != y1)
2366 {
2367 fetch_horizontal (
2368 &iter->image->bits, line1, y1, fx, ux, iter->width);
2369 }
2370
2371 for (i = 0; i < iter->width; ++i)
2372 {
2373 #if SIZEOF_LONG <= 4
2374 uint32_t ta, tr, tg, tb;
2375 uint32_t ba, br, bg, bb;
2376 uint32_t tag, trb;
2377 uint32_t bag, brb;
2378 uint32_t a, r, g, b;
2379
2380 tag = *((uint32_t *)(line0->buffer + i));
2381 trb = *((uint32_t *)(line0->buffer + i) + 1);
2382 bag = *((uint32_t *)(line1->buffer + i));
2383 brb = *((uint32_t *)(line1->buffer + i) + 1);
2384
2385 ta = tag >> 16;
2386 ba = bag >> 16;
2387 a = (ta << 8) + dist_y * (ba - ta);
2388
2389 tr = trb >> 16;
2390 br = brb >> 16;
2391 r = (tr << 8) + dist_y * (br - tr);
2392
2393 tg = tag & 0xffff;
2394 bg = bag & 0xffff;
2395 g = (tg << 8) + dist_y * (bg - tg);
2396
2397 tb = trb & 0xffff;
2398 bb = brb & 0xffff;
2399 b = (tb << 8) + dist_y * (bb - tb);
2400
2401 a = (a << 8) & 0xff000000;
2402 r = (r << 0) & 0x00ff0000;
2403 g = (g >> 8) & 0x0000ff00;
2404 b = (b >> 16) & 0x000000ff;
2405 #else
2406 uint64_t top = line0->buffer[i];
2407 uint64_t bot = line1->buffer[i];
2408 uint64_t tar = (top & 0xffff0000ffff0000ULL) >> 16;
2409 uint64_t bar = (bot & 0xffff0000ffff0000ULL) >> 16;
2410 uint64_t tgb = (top & 0x0000ffff0000ffffULL);
2411 uint64_t bgb = (bot & 0x0000ffff0000ffffULL);
2412 uint64_t ar, gb;
2413 uint32_t a, r, g, b;
2414
2415 ar = (tar << 8) + dist_y * (bar - tar);
2416 gb = (tgb << 8) + dist_y * (bgb - tgb);
2417
2418 a = ((ar >> 24) & 0xff000000);
2419 r = ((ar >> 0) & 0x00ff0000);
2420 g = ((gb >> 40) & 0x0000ff00);
2421 b = ((gb >> 16) & 0x000000ff);
2422 #endif
2423
2424 iter->buffer[i] = a | r | g | b;
2425 }
2426
2427 info->y += iter->image->common.transform->matrix[1][1];
2428
2429 return iter->buffer;
2430 }
2431
2432 static void
2433 bilinear_cover_iter_fini (pixman_iter_t *iter)
2434 {
2435 free (iter->data);
2436 }
2437
2438 static void
2439 fast_bilinear_cover_iter_init (pixman_iter_t *iter, const pixman_iter_info_t *iter_info)
2440 {
2441 int width = iter->width;
2442 bilinear_info_t *info;
2443 pixman_vector_t v;
2444
2445 /* Reference point is the center of the pixel */
2446 v.vector[0] = pixman_int_to_fixed (iter->x) + pixman_fixed_1 / 2;
2447 v.vector[1] = pixman_int_to_fixed (iter->y) + pixman_fixed_1 / 2;
2448 v.vector[2] = pixman_fixed_1;
2449
2450 if (!pixman_transform_point_3d (iter->image->common.transform, &v))
2451 goto fail;
2452
2453 info = malloc (sizeof (*info) + (2 * width - 1) * sizeof (uint64_t));
2454 if (!info)
2455 goto fail;
2456
2457 info->x = v.vector[0] - pixman_fixed_1 / 2;
2458 info->y = v.vector[1] - pixman_fixed_1 / 2;
2459
2460 /* It is safe to set the y coordinates to -1 initially
2461 * because COVER_CLIP_BILINEAR ensures that we will only
2462 * be asked to fetch lines in the [0, height) interval
2463 */
2464 info->lines[0].y = -1;
2465 info->lines[0].buffer = &(info->data[0]);
2466 info->lines[1].y = -1;
2467 info->lines[1].buffer = &(info->data[width]);
2468
2469 iter->get_scanline = fast_fetch_bilinear_cover;
2470 iter->fini = bilinear_cover_iter_fini;
2471
2472 iter->data = info;
2473 return;
2474
2475 fail:
2476 /* Something went wrong, either a bad matrix or OOM; in such cases,
2477 * we don't guarantee any particular rendering.
2478 */
2479 _pixman_log_error (
2480 FUNC, "Allocation failure or bad matrix, skipping rendering\n");
2481
2482 iter->get_scanline = _pixman_iter_get_scanline_noop;
2483 iter->fini = NULL;
2484 }
2485
2486 static uint32_t *
2487 bits_image_fetch_bilinear_no_repeat_8888 (pixman_iter_t *iter,
2488 const uint32_t *mask)
2489 {
2490
2491 pixman_image_t * ima = iter->image;
2492 int offset = iter->x;
2493 int line = iter->y++;
2494 int width = iter->width;
2495 uint32_t * buffer = iter->buffer;
2496
2497 bits_image_t *bits = &ima->bits;
2498 pixman_fixed_t x_top, x_bottom, x;
2499 pixman_fixed_t ux_top, ux_bottom, ux;
2500 pixman_vector_t v;
2501 uint32_t top_mask, bottom_mask;
2502 uint32_t *top_row;
2503 uint32_t *bottom_row;
2504 uint32_t *end;
2505 uint32_t zero[2] = { 0, 0 };
2506 uint32_t one = 1;
2507 int y, y1, y2;
2508 int disty;
2509 int mask_inc;
2510 int w;
2511
2512 /* reference point is the center of the pixel */
2513 v.vector[0] = pixman_int_to_fixed (offset) + pixman_fixed_1 / 2;
2514 v.vector[1] = pixman_int_to_fixed (line) + pixman_fixed_1 / 2;
2515 v.vector[2] = pixman_fixed_1;
2516
2517 if (!pixman_transform_point_3d (bits->common.transform, &v))
2518 return iter->buffer;
2519
2520 ux = ux_top = ux_bottom = bits->common.transform->matrix[0][0];
2521 x = x_top = x_bottom = v.vector[0] - pixman_fixed_1/2;
2522
2523 y = v.vector[1] - pixman_fixed_1/2;
2524 disty = pixman_fixed_to_bilinear_weight (y);
2525
2526 /* Load the pointers to the first and second lines from the source
2527 * image that bilinear code must read.
2528 *
2529 * The main trick in this code is about the check if any line are
2530 * outside of the image;
2531 *
2532 * When I realize that a line (any one) is outside, I change
2533 * the pointer to a dummy area with zeros. Once I change this, I
2534 * must be sure the pointer will not change, so I set the
2535 * variables to each pointer increments inside the loop.
2536 */
2537 y1 = pixman_fixed_to_int (y);
2538 y2 = y1 + 1;
2539
2540 if (y1 < 0 || y1 >= bits->height)
2541 {
2542 top_row = zero;
2543 x_top = 0;
2544 ux_top = 0;
2545 }
2546 else
2547 {
2548 top_row = bits->bits + y1 * bits->rowstride;
2549 x_top = x;
2550 ux_top = ux;
2551 }
2552
2553 if (y2 < 0 || y2 >= bits->height)
2554 {
2555 bottom_row = zero;
2556 x_bottom = 0;
2557 ux_bottom = 0;
2558 }
2559 else
2560 {
2561 bottom_row = bits->bits + y2 * bits->rowstride;
2562 x_bottom = x;
2563 ux_bottom = ux;
2564 }
2565
2566 /* Instead of checking whether the operation uses the mast in
2567 * each loop iteration, verify this only once and prepare the
2568 * variables to make the code smaller inside the loop.
2569 */
2570 if (!mask)
2571 {
2572 mask_inc = 0;
2573 mask = &one;
2574 }
2575 else
2576 {
2577 /* If have a mask, prepare the variables to check it */
2578 mask_inc = 1;
2579 }
2580
2581 /* If both are zero, then the whole thing is zero */
2582 if (top_row == zero && bottom_row == zero)
2583 {
2584 memset (buffer, 0, width * sizeof (uint32_t));
2585 return iter->buffer;
2586 }
2587 else if (bits->format == PIXMAN_x8r8g8b8)
2588 {
2589 if (top_row == zero)
2590 {
2591 top_mask = 0;
2592 bottom_mask = 0xff000000;
2593 }
2594 else if (bottom_row == zero)
2595 {
2596 top_mask = 0xff000000;
2597 bottom_mask = 0;
2598 }
2599 else
2600 {
2601 top_mask = 0xff000000;
2602 bottom_mask = 0xff000000;
2603 }
2604 }
2605 else
2606 {
2607 top_mask = 0;
2608 bottom_mask = 0;
2609 }
2610
2611 end = buffer + width;
2612
2613 /* Zero fill to the left of the image */
2614 while (buffer < end && x < pixman_fixed_minus_1)
2615 {
2616 *buffer++ = 0;
2617 x += ux;
2618 x_top += ux_top;
2619 x_bottom += ux_bottom;
2620 mask += mask_inc;
2621 }
2622
2623 /* Left edge
2624 */
2625 while (buffer < end && x < 0)
2626 {
2627 uint32_t tr, br;
2628 int32_t distx;
2629
2630 tr = top_row[pixman_fixed_to_int (x_top) + 1] | top_mask;
2631 br = bottom_row[pixman_fixed_to_int (x_bottom) + 1] | bottom_mask;
2632
2633 distx = pixman_fixed_to_bilinear_weight (x);
2634
2635 *buffer++ = bilinear_interpolation (0, tr, 0, br, distx, disty);
2636
2637 x += ux;
2638 x_top += ux_top;
2639 x_bottom += ux_bottom;
2640 mask += mask_inc;
2641 }
2642
2643 /* Main part */
2644 w = pixman_int_to_fixed (bits->width - 1);
2645
2646 while (buffer < end && x < w)
2647 {
2648 if (*mask)
2649 {
2650 uint32_t tl, tr, bl, br;
2651 int32_t distx;
2652
2653 tl = top_row [pixman_fixed_to_int (x_top)] | top_mask;
2654 tr = top_row [pixman_fixed_to_int (x_top) + 1] | top_mask;
2655 bl = bottom_row [pixman_fixed_to_int (x_bottom)] | bottom_mask;
2656 br = bottom_row [pixman_fixed_to_int (x_bottom) + 1] | bottom_mask;
2657
2658 distx = pixman_fixed_to_bilinear_weight (x);
2659
2660 *buffer = bilinear_interpolation (tl, tr, bl, br, distx, disty);
2661 }
2662
2663 buffer++;
2664 x += ux;
2665 x_top += ux_top;
2666 x_bottom += ux_bottom;
2667 mask += mask_inc;
2668 }
2669
2670 /* Right Edge */
2671 w = pixman_int_to_fixed (bits->width);
2672 while (buffer < end && x < w)
2673 {
2674 if (*mask)
2675 {
2676 uint32_t tl, bl;
2677 int32_t distx;
2678
2679 tl = top_row [pixman_fixed_to_int (x_top)] | top_mask;
2680 bl = bottom_row [pixman_fixed_to_int (x_bottom)] | bottom_mask;
2681
2682 distx = pixman_fixed_to_bilinear_weight (x);
2683
2684 *buffer = bilinear_interpolation (tl, 0, bl, 0, distx, disty);
2685 }
2686
2687 buffer++;
2688 x += ux;
2689 x_top += ux_top;
2690 x_bottom += ux_bottom;
2691 mask += mask_inc;
2692 }
2693
2694 /* Zero fill to the left of the image */
2695 while (buffer < end)
2696 *buffer++ = 0;
2697
2698 return iter->buffer;
2699 }
2700
2701 typedef uint32_t (* convert_pixel_t) (const uint8_t *row, int x);
2702
2703 static force_inline void
2704 bits_image_fetch_separable_convolution_affine (pixman_image_t * image,
2705 int offset,
2706 int line,
2707 int width,
2708 uint32_t * buffer,
2709 const uint32_t * mask,
2710
2711 convert_pixel_t convert_pixel,
2712 pixman_format_code_t format,
2713 pixman_repeat_t repeat_mode)
2714 {
2715 bits_image_t *bits = &image->bits;
2716 pixman_fixed_t *params = image->common.filter_params;
2717 int cwidth = pixman_fixed_to_int (params[0]);
2718 int cheight = pixman_fixed_to_int (params[1]);
2719 int x_off = ((cwidth << 16) - pixman_fixed_1) >> 1;
2720 int y_off = ((cheight << 16) - pixman_fixed_1) >> 1;
2721 int x_phase_bits = pixman_fixed_to_int (params[2]);
2722 int y_phase_bits = pixman_fixed_to_int (params[3]);
2723 int x_phase_shift = 16 - x_phase_bits;
2724 int y_phase_shift = 16 - y_phase_bits;
2725 pixman_fixed_t vx, vy;
2726 pixman_fixed_t ux, uy;
2727 pixman_vector_t v;
2728 int k;
2729
2730 /* reference point is the center of the pixel */
2731 v.vector[0] = pixman_int_to_fixed (offset) + pixman_fixed_1 / 2;
2732 v.vector[1] = pixman_int_to_fixed (line) + pixman_fixed_1 / 2;
2733 v.vector[2] = pixman_fixed_1;
2734
2735 if (!pixman_transform_point_3d (image->common.transform, &v))
2736 return;
2737
2738 ux = image->common.transform->matrix[0][0];
2739 uy = image->common.transform->matrix[1][0];
2740
2741 vx = v.vector[0];
2742 vy = v.vector[1];
2743
2744 for (k = 0; k < width; ++k)
2745 {
2746 pixman_fixed_t *y_params;
2747 int satot, srtot, sgtot, sbtot;
2748 pixman_fixed_t x, y;
2749 int32_t x1, x2, y1, y2;
2750 int32_t px, py;
2751 int i, j;
2752
2753 if (mask && !mask[k])
2754 goto next;
2755
2756 /* Round x and y to the middle of the closest phase before continuing. This
2757 * ensures that the convolution matrix is aligned right, since it was
2758 * positioned relative to a particular phase (and not relative to whatever
2759 * exact fraction we happen to get here).
2760 */
2761 x = ((vx >> x_phase_shift) << x_phase_shift) + ((1 << x_phase_shift) >> 1);
2762 y = ((vy >> y_phase_shift) << y_phase_shift) + ((1 << y_phase_shift) >> 1);
2763
2764 px = (x & 0xffff) >> x_phase_shift;
2765 py = (y & 0xffff) >> y_phase_shift;
2766
2767 x1 = pixman_fixed_to_int (x - pixman_fixed_e - x_off);
2768 y1 = pixman_fixed_to_int (y - pixman_fixed_e - y_off);
2769 x2 = x1 + cwidth;
2770 y2 = y1 + cheight;
2771
2772 satot = srtot = sgtot = sbtot = 0;
2773
2774 y_params = params + 4 + (1 << x_phase_bits) * cwidth + py * cheight;
2775
2776 for (i = y1; i < y2; ++i)
2777 {
2778 pixman_fixed_t fy = *y_params++;
2779
2780 if (fy)
2781 {
2782 pixman_fixed_t *x_params = params + 4 + px * cwidth;
2783
2784 for (j = x1; j < x2; ++j)
2785 {
2786 pixman_fixed_t fx = *x_params++;
2787 int rx = j;
2788 int ry = i;
2789
2790 if (fx)
2791 {
2792 pixman_fixed_t f;
2793 uint32_t pixel, mask;
2794 uint8_t *row;
2795
2796 mask = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
2797
2798 if (repeat_mode != PIXMAN_REPEAT_NONE)
2799 {
2800 repeat (repeat_mode, &rx, bits->width);
2801 repeat (repeat_mode, &ry, bits->height);
2802
2803 row = (uint8_t *)bits->bits + bits->rowstride * 4 * ry;
2804 pixel = convert_pixel (row, rx) | mask;
2805 }
2806 else
2807 {
2808 if (rx < 0 || ry < 0 || rx >= bits->width || ry >= bits->height)
2809 {
2810 pixel = 0;
2811 }
2812 else
2813 {
2814 row = (uint8_t *)bits->bits + bits->rowstride * 4 * ry;
2815 pixel = convert_pixel (row, rx) | mask;
2816 }
2817 }
2818
2819 f = ((pixman_fixed_32_32_t)fx * fy + 0x8000) >> 16;
2820 srtot += (int)RED_8 (pixel) * f;
2821 sgtot += (int)GREEN_8 (pixel) * f;
2822 sbtot += (int)BLUE_8 (pixel) * f;
2823 satot += (int)ALPHA_8 (pixel) * f;
2824 }
2825 }
2826 }
2827 }
2828
2829 satot = (satot + 0x8000) >> 16;
2830 srtot = (srtot + 0x8000) >> 16;
2831 sgtot = (sgtot + 0x8000) >> 16;
2832 sbtot = (sbtot + 0x8000) >> 16;
2833
2834 satot = CLIP (satot, 0, 0xff);
2835 srtot = CLIP (srtot, 0, 0xff);
2836 sgtot = CLIP (sgtot, 0, 0xff);
2837 sbtot = CLIP (sbtot, 0, 0xff);
2838
2839 buffer[k] = (satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot << 0);
2840
2841 next:
2842 vx += ux;
2843 vy += uy;
2844 }
2845 }
2846
2847 static const uint8_t zero[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
2848
2849 static force_inline void
2850 bits_image_fetch_bilinear_affine (pixman_image_t * image,
2851 int offset,
2852 int line,
2853 int width,
2854 uint32_t * buffer,
2855 const uint32_t * mask,
2856
2857 convert_pixel_t convert_pixel,
2858 pixman_format_code_t format,
2859 pixman_repeat_t repeat_mode)
2860 {
2861 pixman_fixed_t x, y;
2862 pixman_fixed_t ux, uy;
2863 pixman_vector_t v;
2864 bits_image_t *bits = &image->bits;
2865 int i;
2866
2867 /* reference point is the center of the pixel */
2868 v.vector[0] = pixman_int_to_fixed (offset) + pixman_fixed_1 / 2;
2869 v.vector[1] = pixman_int_to_fixed (line) + pixman_fixed_1 / 2;
2870 v.vector[2] = pixman_fixed_1;
2871
2872 if (!pixman_transform_point_3d (image->common.transform, &v))
2873 return;
2874
2875 ux = image->common.transform->matrix[0][0];
2876 uy = image->common.transform->matrix[1][0];
2877
2878 x = v.vector[0];
2879 y = v.vector[1];
2880
2881 for (i = 0; i < width; ++i)
2882 {
2883 int x1, y1, x2, y2;
2884 uint32_t tl, tr, bl, br;
2885 int32_t distx, disty;
2886 int width = image->bits.width;
2887 int height = image->bits.height;
2888 const uint8_t *row1;
2889 const uint8_t *row2;
2890
2891 if (mask && !mask[i])
2892 goto next;
2893
2894 x1 = x - pixman_fixed_1 / 2;
2895 y1 = y - pixman_fixed_1 / 2;
2896
2897 distx = pixman_fixed_to_bilinear_weight (x1);
2898 disty = pixman_fixed_to_bilinear_weight (y1);
2899
2900 y1 = pixman_fixed_to_int (y1);
2901 y2 = y1 + 1;
2902 x1 = pixman_fixed_to_int (x1);
2903 x2 = x1 + 1;
2904
2905 if (repeat_mode != PIXMAN_REPEAT_NONE)
2906 {
2907 uint32_t mask;
2908
2909 mask = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
2910
2911 repeat (repeat_mode, &x1, width);
2912 repeat (repeat_mode, &y1, height);
2913 repeat (repeat_mode, &x2, width);
2914 repeat (repeat_mode, &y2, height);
2915
2916 row1 = (uint8_t *)bits->bits + bits->rowstride * 4 * y1;
2917 row2 = (uint8_t *)bits->bits + bits->rowstride * 4 * y2;
2918
2919 tl = convert_pixel (row1, x1) | mask;
2920 tr = convert_pixel (row1, x2) | mask;
2921 bl = convert_pixel (row2, x1) | mask;
2922 br = convert_pixel (row2, x2) | mask;
2923 }
2924 else
2925 {
2926 uint32_t mask1, mask2;
2927 int bpp;
2928
2929 /* Note: PIXMAN_FORMAT_BPP() returns an unsigned value,
2930 * which means if you use it in expressions, those
2931 * expressions become unsigned themselves. Since
2932 * the variables below can be negative in some cases,
2933 * that will lead to crashes on 64 bit architectures.
2934 *
2935 * So this line makes sure bpp is signed
2936 */
2937 bpp = PIXMAN_FORMAT_BPP (format);
2938
2939 if (x1 >= width || x2 < 0 || y1 >= height || y2 < 0)
2940 {
2941 buffer[i] = 0;
2942 goto next;
2943 }
2944
2945 if (y2 == 0)
2946 {
2947 row1 = zero;
2948 mask1 = 0;
2949 }
2950 else
2951 {
2952 row1 = (uint8_t *)bits->bits + bits->rowstride * 4 * y1;
2953 row1 += bpp / 8 * x1;
2954
2955 mask1 = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
2956 }
2957
2958 if (y1 == height - 1)
2959 {
2960 row2 = zero;
2961 mask2 = 0;
2962 }
2963 else
2964 {
2965 row2 = (uint8_t *)bits->bits + bits->rowstride * 4 * y2;
2966 row2 += bpp / 8 * x1;
2967
2968 mask2 = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
2969 }
2970
2971 if (x2 == 0)
2972 {
2973 tl = 0;
2974 bl = 0;
2975 }
2976 else
2977 {
2978 tl = convert_pixel (row1, 0) | mask1;
2979 bl = convert_pixel (row2, 0) | mask2;
2980 }
2981
2982 if (x1 == width - 1)
2983 {
2984 tr = 0;
2985 br = 0;
2986 }
2987 else
2988 {
2989 tr = convert_pixel (row1, 1) | mask1;
2990 br = convert_pixel (row2, 1) | mask2;
2991 }
2992 }
2993
2994 buffer[i] = bilinear_interpolation (
2995 tl, tr, bl, br, distx, disty);
2996
2997 next:
2998 x += ux;
2999 y += uy;
3000 }
3001 }
3002
3003 static force_inline void
3004 bits_image_fetch_nearest_affine (pixman_image_t * image,
3005 int offset,
3006 int line,
3007 int width,
3008 uint32_t * buffer,
3009 const uint32_t * mask,
3010
3011 convert_pixel_t convert_pixel,
3012 pixman_format_code_t format,
3013 pixman_repeat_t repeat_mode)
3014 {
3015 pixman_fixed_t x, y;
3016 pixman_fixed_t ux, uy;
3017 pixman_vector_t v;
3018 bits_image_t *bits = &image->bits;
3019 int i;
3020
3021 /* reference point is the center of the pixel */
3022 v.vector[0] = pixman_int_to_fixed (offset) + pixman_fixed_1 / 2;
3023 v.vector[1] = pixman_int_to_fixed (line) + pixman_fixed_1 / 2;
3024 v.vector[2] = pixman_fixed_1;
3025
3026 if (!pixman_transform_point_3d (image->common.transform, &v))
3027 return;
3028
3029 ux = image->common.transform->matrix[0][0];
3030 uy = image->common.transform->matrix[1][0];
3031
3032 x = v.vector[0];
3033 y = v.vector[1];
3034
3035 for (i = 0; i < width; ++i)
3036 {
3037 int width, height, x0, y0;
3038 const uint8_t *row;
3039
3040 if (mask && !mask[i])
3041 goto next;
3042
3043 width = image->bits.width;
3044 height = image->bits.height;
3045 x0 = pixman_fixed_to_int (x - pixman_fixed_e);
3046 y0 = pixman_fixed_to_int (y - pixman_fixed_e);
3047
3048 if (repeat_mode == PIXMAN_REPEAT_NONE &&
3049 (y0 < 0 || y0 >= height || x0 < 0 || x0 >= width))
3050 {
3051 buffer[i] = 0;
3052 }
3053 else
3054 {
3055 uint32_t mask = PIXMAN_FORMAT_A (format)? 0 : 0xff000000;
3056
3057 if (repeat_mode != PIXMAN_REPEAT_NONE)
3058 {
3059 repeat (repeat_mode, &x0, width);
3060 repeat (repeat_mode, &y0, height);
3061 }
3062
3063 row = (uint8_t *)bits->bits + bits->rowstride * 4 * y0;
3064
3065 buffer[i] = convert_pixel (row, x0) | mask;
3066 }
3067
3068 next:
3069 x += ux;
3070 y += uy;
3071 }
3072 }
3073
3074 static force_inline uint32_t
3075 convert_a8r8g8b8 (const uint8_t *row, int x)
3076 {
3077 return *(((uint32_t *)row) + x);
3078 }
3079
3080 static force_inline uint32_t
3081 convert_x8r8g8b8 (const uint8_t *row, int x)
3082 {
3083 return *(((uint32_t *)row) + x);
3084 }
3085
3086 static force_inline uint32_t
3087 convert_a8 (const uint8_t *row, int x)
3088 {
3089 return *(row + x) << 24;
3090 }
3091
3092 static force_inline uint32_t
3093 convert_r5g6b5 (const uint8_t *row, int x)
3094 {
3095 return convert_0565_to_0888 (*((uint16_t *)row + x));
3096 }
3097
3098 #define MAKE_SEPARABLE_CONVOLUTION_FETCHER(name, format, repeat_mode) \
3099 static uint32_t * \
3100 bits_image_fetch_separable_convolution_affine_ ## name (pixman_iter_t *iter, \
3101 const uint32_t * mask) \
3102 { \
3103 bits_image_fetch_separable_convolution_affine ( \
3104 iter->image, \
3105 iter->x, iter->y++, \
3106 iter->width, \
3107 iter->buffer, mask, \
3108 convert_ ## format, \
3109 PIXMAN_ ## format, \
3110 repeat_mode); \
3111 \
3112 return iter->buffer; \
3113 }
3114
3115 #define MAKE_BILINEAR_FETCHER(name, format, repeat_mode) \
3116 static uint32_t * \
3117 bits_image_fetch_bilinear_affine_ ## name (pixman_iter_t *iter, \
3118 const uint32_t * mask) \
3119 { \
3120 bits_image_fetch_bilinear_affine (iter->image, \
3121 iter->x, iter->y++, \
3122 iter->width, \
3123 iter->buffer, mask, \
3124 convert_ ## format, \
3125 PIXMAN_ ## format, \
3126 repeat_mode); \
3127 return iter->buffer; \
3128 }
3129
3130 #define MAKE_NEAREST_FETCHER(name, format, repeat_mode) \
3131 static uint32_t * \
3132 bits_image_fetch_nearest_affine_ ## name (pixman_iter_t *iter, \
3133 const uint32_t * mask) \
3134 { \
3135 bits_image_fetch_nearest_affine (iter->image, \
3136 iter->x, iter->y++, \
3137 iter->width, \
3138 iter->buffer, mask, \
3139 convert_ ## format, \
3140 PIXMAN_ ## format, \
3141 repeat_mode); \
3142 return iter->buffer; \
3143 }
3144
3145 #define MAKE_FETCHERS(name, format, repeat_mode) \
3146 MAKE_NEAREST_FETCHER (name, format, repeat_mode) \
3147 MAKE_BILINEAR_FETCHER (name, format, repeat_mode) \
3148 MAKE_SEPARABLE_CONVOLUTION_FETCHER (name, format, repeat_mode)
3149
3150 MAKE_FETCHERS (pad_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_PAD)
3151 MAKE_FETCHERS (none_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_NONE)
3152 MAKE_FETCHERS (reflect_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_REFLECT)
3153 MAKE_FETCHERS (normal_a8r8g8b8, a8r8g8b8, PIXMAN_REPEAT_NORMAL)
3154 MAKE_FETCHERS (pad_x8r8g8b8, x8r8g8b8, PIXMAN_REPEAT_PAD)
3155 MAKE_FETCHERS (none_x8r8g8b8, x8r8g8b8, PIXMAN_REPEAT_NONE)
3156 MAKE_FETCHERS (reflect_x8r8g8b8, x8r8g8b8, PIXMAN_REPEAT_REFLECT)
3157 MAKE_FETCHERS (normal_x8r8g8b8, x8r8g8b8, PIXMAN_REPEAT_NORMAL)
3158 MAKE_FETCHERS (pad_a8, a8, PIXMAN_REPEAT_PAD)
3159 MAKE_FETCHERS (none_a8, a8, PIXMAN_REPEAT_NONE)
3160 MAKE_FETCHERS (reflect_a8, a8, PIXMAN_REPEAT_REFLECT)
3161 MAKE_FETCHERS (normal_a8, a8, PIXMAN_REPEAT_NORMAL)
3162 MAKE_FETCHERS (pad_r5g6b5, r5g6b5, PIXMAN_REPEAT_PAD)
3163 MAKE_FETCHERS (none_r5g6b5, r5g6b5, PIXMAN_REPEAT_NONE)
3164 MAKE_FETCHERS (reflect_r5g6b5, r5g6b5, PIXMAN_REPEAT_REFLECT)
3165 MAKE_FETCHERS (normal_r5g6b5, r5g6b5, PIXMAN_REPEAT_NORMAL)
3166
3167 #define IMAGE_FLAGS \
3168 (FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM | \
3169 FAST_PATH_BITS_IMAGE | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST)
3170
3171 static const pixman_iter_info_t fast_iters[] =
3172 {
3173 { PIXMAN_r5g6b5, IMAGE_FLAGS, ITER_NARROW | ITER_SRC,
3174 _pixman_iter_init_bits_stride, fast_fetch_r5g6b5, NULL },
3175
3176 { PIXMAN_r5g6b5, FAST_PATH_STD_DEST_FLAGS,
3177 ITER_NARROW | ITER_DEST,
3178 _pixman_iter_init_bits_stride,
3179 fast_fetch_r5g6b5, fast_write_back_r5g6b5 },
3180
3181 { PIXMAN_r5g6b5, FAST_PATH_STD_DEST_FLAGS,
3182 ITER_NARROW | ITER_DEST | ITER_IGNORE_RGB | ITER_IGNORE_ALPHA,
3183 _pixman_iter_init_bits_stride,
3184 fast_dest_fetch_noop, fast_write_back_r5g6b5 },
3185
3186 { PIXMAN_a8r8g8b8,
3187 (FAST_PATH_STANDARD_FLAGS |
3188 FAST_PATH_SCALE_TRANSFORM |
3189 FAST_PATH_BILINEAR_FILTER |
3190 FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR),
3191 ITER_NARROW | ITER_SRC,
3192 fast_bilinear_cover_iter_init,
3193 NULL, NULL
3194 },
3195
3196 #define FAST_BILINEAR_FLAGS \
3197 (FAST_PATH_NO_ALPHA_MAP | \
3198 FAST_PATH_NO_ACCESSORS | \
3199 FAST_PATH_HAS_TRANSFORM | \
3200 FAST_PATH_AFFINE_TRANSFORM | \
3201 FAST_PATH_X_UNIT_POSITIVE | \
3202 FAST_PATH_Y_UNIT_ZERO | \
3203 FAST_PATH_NONE_REPEAT | \
3204 FAST_PATH_BILINEAR_FILTER)
3205
3206 { PIXMAN_a8r8g8b8,
3207 FAST_BILINEAR_FLAGS,
3208 ITER_NARROW | ITER_SRC,
3209 NULL, bits_image_fetch_bilinear_no_repeat_8888, NULL
3210 },
3211
3212 { PIXMAN_x8r8g8b8,
3213 FAST_BILINEAR_FLAGS,
3214 ITER_NARROW | ITER_SRC,
3215 NULL, bits_image_fetch_bilinear_no_repeat_8888, NULL
3216 },
3217
3218 #define GENERAL_BILINEAR_FLAGS \
3219 (FAST_PATH_NO_ALPHA_MAP | \
3220 FAST_PATH_NO_ACCESSORS | \
3221 FAST_PATH_HAS_TRANSFORM | \
3222 FAST_PATH_AFFINE_TRANSFORM | \
3223 FAST_PATH_BILINEAR_FILTER)
3224
3225 #define GENERAL_NEAREST_FLAGS \
3226 (FAST_PATH_NO_ALPHA_MAP | \
3227 FAST_PATH_NO_ACCESSORS | \
3228 FAST_PATH_HAS_TRANSFORM | \
3229 FAST_PATH_AFFINE_TRANSFORM | \
3230 FAST_PATH_NEAREST_FILTER)
3231
3232 #define GENERAL_SEPARABLE_CONVOLUTION_FLAGS \
3233 (FAST_PATH_NO_ALPHA_MAP | \
3234 FAST_PATH_NO_ACCESSORS | \
3235 FAST_PATH_HAS_TRANSFORM | \
3236 FAST_PATH_AFFINE_TRANSFORM | \
3237 FAST_PATH_SEPARABLE_CONVOLUTION_FILTER)
3238
3239 #define SEPARABLE_CONVOLUTION_AFFINE_FAST_PATH(name, format, repeat) \
3240 { PIXMAN_ ## format, \
3241 GENERAL_SEPARABLE_CONVOLUTION_FLAGS | FAST_PATH_ ## repeat ## _REPEAT, \
3242 ITER_NARROW | ITER_SRC, \
3243 NULL, bits_image_fetch_separable_convolution_affine_ ## name, NULL \
3244 },
3245
3246 #define BILINEAR_AFFINE_FAST_PATH(name, format, repeat) \
3247 { PIXMAN_ ## format, \
3248 GENERAL_BILINEAR_FLAGS | FAST_PATH_ ## repeat ## _REPEAT, \
3249 ITER_NARROW | ITER_SRC, \
3250 NULL, bits_image_fetch_bilinear_affine_ ## name, NULL, \
3251 },
3252
3253 #define NEAREST_AFFINE_FAST_PATH(name, format, repeat) \
3254 { PIXMAN_ ## format, \
3255 GENERAL_NEAREST_FLAGS | FAST_PATH_ ## repeat ## _REPEAT, \
3256 ITER_NARROW | ITER_SRC, \
3257 NULL, bits_image_fetch_nearest_affine_ ## name, NULL \
3258 },
3259
3260 #define AFFINE_FAST_PATHS(name, format, repeat) \
3261 SEPARABLE_CONVOLUTION_AFFINE_FAST_PATH(name, format, repeat) \
3262 BILINEAR_AFFINE_FAST_PATH(name, format, repeat) \
3263 NEAREST_AFFINE_FAST_PATH(name, format, repeat)
3264
3265 AFFINE_FAST_PATHS (pad_a8r8g8b8, a8r8g8b8, PAD)
3266 AFFINE_FAST_PATHS (none_a8r8g8b8, a8r8g8b8, NONE)
3267 AFFINE_FAST_PATHS (reflect_a8r8g8b8, a8r8g8b8, REFLECT)
3268 AFFINE_FAST_PATHS (normal_a8r8g8b8, a8r8g8b8, NORMAL)
3269 AFFINE_FAST_PATHS (pad_x8r8g8b8, x8r8g8b8, PAD)
3270 AFFINE_FAST_PATHS (none_x8r8g8b8, x8r8g8b8, NONE)
3271 AFFINE_FAST_PATHS (reflect_x8r8g8b8, x8r8g8b8, REFLECT)
3272 AFFINE_FAST_PATHS (normal_x8r8g8b8, x8r8g8b8, NORMAL)
3273 AFFINE_FAST_PATHS (pad_a8, a8, PAD)
3274 AFFINE_FAST_PATHS (none_a8, a8, NONE)
3275 AFFINE_FAST_PATHS (reflect_a8, a8, REFLECT)
3276 AFFINE_FAST_PATHS (normal_a8, a8, NORMAL)
3277 AFFINE_FAST_PATHS (pad_r5g6b5, r5g6b5, PAD)
3278 AFFINE_FAST_PATHS (none_r5g6b5, r5g6b5, NONE)
3279 AFFINE_FAST_PATHS (reflect_r5g6b5, r5g6b5, REFLECT)
3280 AFFINE_FAST_PATHS (normal_r5g6b5, r5g6b5, NORMAL)
3281
3282 { PIXMAN_null },
3283 };
3284
3285 pixman_implementation_t *
3286 _pixman_implementation_create_fast_path (pixman_implementation_t *fallback)
3287 {
3288 pixman_implementation_t *imp = _pixman_implementation_create (fallback, c_fast_paths);
3289
3290 imp->fill = fast_path_fill;
3291 imp->iter_info = fast_iters;
3292
3293 return imp;
3294 }
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