2 # error config.h must be included before pixman-private.h
5 #ifndef PIXMAN_PRIVATE_H
6 #define PIXMAN_PRIVATE_H
8 #define PIXMAN_DISABLE_DEPRECATED
9 #define PIXMAN_USE_INTERNAL_API
17 #include "pixman-compiler.h"
22 typedef struct image_common image_common_t;
23 typedef struct source_image source_image_t;
24 typedef struct solid_fill solid_fill_t;
25 typedef struct gradient gradient_t;
26 typedef struct linear_gradient linear_gradient_t;
27 typedef struct horizontal_gradient horizontal_gradient_t;
28 typedef struct vertical_gradient vertical_gradient_t;
29 typedef struct conical_gradient conical_gradient_t;
30 typedef struct radial_gradient radial_gradient_t;
31 typedef struct bits_image bits_image_t;
32 typedef struct circle circle_t;
34 typedef void (*fetch_scanline_t) (pixman_image_t *image,
39 const uint32_t *mask);
41 typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
45 typedef uint64_t (*fetch_pixel_64_t) (bits_image_t *image,
49 typedef void (*store_scanline_t) (bits_image_t * image,
53 const uint32_t *values);
66 SOURCE_IMAGE_CLASS_UNKNOWN,
67 SOURCE_IMAGE_CLASS_HORIZONTAL,
68 SOURCE_IMAGE_CLASS_VERTICAL,
69 } source_image_class_t;
71 typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
76 typedef void (*property_changed_func_t) (pixman_image_t *image);
82 pixman_region32_t clip_region;
83 int32_t alpha_count; /* How many times this image is being used as an alpha map */
84 pixman_bool_t have_clip_region; /* FALSE if there is no clip */
85 pixman_bool_t client_clip; /* Whether the source clip was
87 pixman_bool_t clip_sources; /* Whether the clip applies when
88 * the image is used as a source
91 pixman_transform_t * transform;
92 pixman_repeat_t repeat;
93 pixman_filter_t filter;
94 pixman_fixed_t * filter_params;
96 bits_image_t * alpha_map;
99 pixman_bool_t component_alpha;
100 classify_func_t classify;
101 property_changed_func_t property_changed;
102 fetch_scanline_t get_scanline_32;
103 fetch_scanline_t get_scanline_64;
105 pixman_image_destroy_func_t destroy_func;
109 pixman_format_code_t extended_format_code;
114 image_common_t common;
115 source_image_class_t class;
120 source_image_t common;
121 pixman_color_t color;
129 source_image_t common;
131 pixman_gradient_stop_t *stops;
135 struct linear_gradient
138 pixman_point_fixed_t p1;
139 pixman_point_fixed_t p2;
146 pixman_fixed_t radius;
149 struct radial_gradient
161 struct conical_gradient
164 pixman_point_fixed_t center;
170 image_common_t common;
171 pixman_format_code_t format;
172 const pixman_indexed_t * indexed;
177 int rowstride; /* in number of uint32_t's */
179 fetch_scanline_t fetch_scanline_32;
180 fetch_pixel_32_t fetch_pixel_32;
181 store_scanline_t store_scanline_32;
183 fetch_scanline_t fetch_scanline_64;
184 fetch_pixel_64_t fetch_pixel_64;
185 store_scanline_t store_scanline_64;
187 /* Used for indirect access to the bits */
188 pixman_read_memory_func_t read_func;
189 pixman_write_memory_func_t write_func;
195 image_common_t common;
197 source_image_t source;
199 linear_gradient_t linear;
200 conical_gradient_t conical;
201 radial_gradient_t radial;
206 _pixman_bits_image_setup_accessors (bits_image_t *image);
209 _pixman_image_get_scanline_generic_64 (pixman_image_t *image,
214 const uint32_t *mask);
217 _pixman_image_classify (pixman_image_t *image,
224 _pixman_image_get_scanline_32 (pixman_image_t *image,
229 const uint32_t *mask);
231 /* Even thought the type of buffer is uint32_t *, the function actually expects
232 * a uint64_t *buffer.
235 _pixman_image_get_scanline_64 (pixman_image_t *image,
240 const uint32_t *unused);
243 _pixman_image_store_scanline_32 (bits_image_t * image,
247 const uint32_t *buffer);
249 /* Even though the type of buffer is uint32_t *, the function
250 * actually expects a uint64_t *buffer.
253 _pixman_image_store_scanline_64 (bits_image_t * image,
257 const uint32_t *buffer);
260 _pixman_image_allocate (void);
263 _pixman_init_gradient (gradient_t * gradient,
264 const pixman_gradient_stop_t *stops,
267 _pixman_image_reset_clip_region (pixman_image_t *image);
270 _pixman_image_validate (pixman_image_t *image);
273 _pixman_image_get_solid (pixman_image_t * image,
274 pixman_format_code_t format);
276 #define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
279 uint32_t *__bits__; \
282 __bits__ = image->bits.bits; \
283 __stride__ = image->bits.rowstride; \
285 __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
287 ((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
303 pixman_gradient_stop_t *stops;
308 } pixman_gradient_walker_t;
311 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
312 gradient_t * gradient,
313 unsigned int spread);
316 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
317 pixman_fixed_32_32_t pos);
320 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
321 pixman_fixed_32_32_t x);
327 #define MAX_ALPHA(n) ((1 << (n)) - 1)
328 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
329 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
331 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
332 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
334 #define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
335 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
337 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
338 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
340 #define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
341 #define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
343 #define RENDER_SAMPLES_X(x, n) \
344 ((n) == 1? 0 : (pixman_fixed_frac (x) + \
345 X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
348 pixman_rasterize_edges_accessors (pixman_image_t *image,
357 typedef struct pixman_implementation_t pixman_implementation_t;
359 typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
362 const uint32_t * src,
363 const uint32_t * mask,
366 typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
369 const uint64_t * src,
370 const uint64_t * mask,
373 typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
375 pixman_image_t * src,
376 pixman_image_t * mask,
377 pixman_image_t * dest,
386 typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
399 typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
409 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
410 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
415 pixman_format_code_t src_format;
417 pixman_format_code_t mask_format;
419 pixman_format_code_t dest_format;
421 pixman_composite_func_t func;
422 } pixman_fast_path_t;
424 struct pixman_implementation_t
426 pixman_implementation_t * toplevel;
427 pixman_implementation_t * delegate;
428 const pixman_fast_path_t * fast_paths;
430 pixman_blt_func_t blt;
431 pixman_fill_func_t fill;
433 pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
434 pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
435 pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
436 pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
439 pixman_implementation_t *
440 _pixman_implementation_create (pixman_implementation_t *delegate,
441 const pixman_fast_path_t *fast_paths);
444 _pixman_implementation_combine_32 (pixman_implementation_t *imp,
447 const uint32_t * src,
448 const uint32_t * mask,
451 _pixman_implementation_combine_64 (pixman_implementation_t *imp,
454 const uint64_t * src,
455 const uint64_t * mask,
458 _pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
461 const uint32_t * src,
462 const uint32_t * mask,
465 _pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
468 const uint64_t * src,
469 const uint64_t * mask,
473 _pixman_implementation_blt (pixman_implementation_t *imp,
488 _pixman_implementation_fill (pixman_implementation_t *imp,
498 /* Specific implementations */
499 pixman_implementation_t *
500 _pixman_implementation_create_general (void);
502 pixman_implementation_t *
503 _pixman_implementation_create_fast_path (void);
506 pixman_implementation_t *
507 _pixman_implementation_create_mmx (void);
511 pixman_implementation_t *
512 _pixman_implementation_create_sse2 (void);
516 pixman_implementation_t *
517 _pixman_implementation_create_arm_simd (void);
521 pixman_implementation_t *
522 _pixman_implementation_create_arm_neon (void);
526 pixman_implementation_t *
527 _pixman_implementation_create_vmx (void);
530 pixman_implementation_t *
531 _pixman_choose_implementation (void);
539 /* These "formats" all have depth 0, so they
540 * will never clash with any real ones
542 #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
543 #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
544 #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
545 #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
546 #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
547 #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
549 #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
551 #define FAST_PATH_ID_TRANSFORM (1 << 0)
552 #define FAST_PATH_NO_ALPHA_MAP (1 << 1)
553 #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
554 #define FAST_PATH_NO_PAD_REPEAT (1 << 3)
555 #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
556 #define FAST_PATH_NO_ACCESSORS (1 << 5)
557 #define FAST_PATH_NO_WIDE_FORMAT (1 << 6)
558 #define FAST_PATH_COVERS_CLIP (1 << 7)
559 #define FAST_PATH_COMPONENT_ALPHA (1 << 8)
560 #define FAST_PATH_UNIFIED_ALPHA (1 << 9)
561 #define FAST_PATH_SCALE_TRANSFORM (1 << 10)
562 #define FAST_PATH_NEAREST_FILTER (1 << 11)
563 #define FAST_PATH_SIMPLE_REPEAT (1 << 12)
564 #define FAST_PATH_IS_OPAQUE (1 << 13)
565 #define FAST_PATH_NEEDS_WORKAROUND (1 << 14)
566 #define FAST_PATH_NO_NONE_REPEAT (1 << 15)
567 #define FAST_PATH_SAMPLES_COVER_CLIP (1 << 16)
568 #define FAST_PATH_X_UNIT_POSITIVE (1 << 17)
569 #define FAST_PATH_AFFINE_TRANSFORM (1 << 18)
570 #define FAST_PATH_Y_UNIT_ZERO (1 << 19)
571 #define FAST_PATH_BILINEAR_FILTER (1 << 20)
572 #define FAST_PATH_NO_NORMAL_REPEAT (1 << 21)
573 #define FAST_PATH_HAS_TRANSFORM (1 << 22)
575 #define FAST_PATH_PAD_REPEAT \
576 (FAST_PATH_NO_NONE_REPEAT | \
577 FAST_PATH_NO_NORMAL_REPEAT | \
578 FAST_PATH_NO_REFLECT_REPEAT)
580 #define FAST_PATH_NORMAL_REPEAT \
581 (FAST_PATH_NO_NONE_REPEAT | \
582 FAST_PATH_NO_PAD_REPEAT | \
583 FAST_PATH_NO_REFLECT_REPEAT)
585 #define FAST_PATH_NONE_REPEAT \
586 (FAST_PATH_NO_NORMAL_REPEAT | \
587 FAST_PATH_NO_PAD_REPEAT | \
588 FAST_PATH_NO_REFLECT_REPEAT)
590 #define FAST_PATH_REFLECT_REPEAT \
591 (FAST_PATH_NO_NONE_REPEAT | \
592 FAST_PATH_NO_NORMAL_REPEAT | \
593 FAST_PATH_NO_PAD_REPEAT)
595 #define _FAST_PATH_STANDARD_FLAGS \
596 (FAST_PATH_ID_TRANSFORM | \
597 FAST_PATH_NO_ALPHA_MAP | \
598 FAST_PATH_NO_CONVOLUTION_FILTER | \
599 FAST_PATH_NO_PAD_REPEAT | \
600 FAST_PATH_NO_REFLECT_REPEAT | \
601 FAST_PATH_NO_ACCESSORS | \
602 FAST_PATH_NO_WIDE_FORMAT | \
603 FAST_PATH_COVERS_CLIP)
605 #define FAST_PATH_STD_SRC_FLAGS \
606 _FAST_PATH_STANDARD_FLAGS
607 #define FAST_PATH_STD_MASK_U_FLAGS \
608 (_FAST_PATH_STANDARD_FLAGS | \
609 FAST_PATH_UNIFIED_ALPHA)
610 #define FAST_PATH_STD_MASK_CA_FLAGS \
611 (_FAST_PATH_STANDARD_FLAGS | \
612 FAST_PATH_COMPONENT_ALPHA)
613 #define FAST_PATH_STD_DEST_FLAGS \
614 (FAST_PATH_NO_ACCESSORS | \
615 FAST_PATH_NO_WIDE_FORMAT)
617 #define FAST_PATH(op, src, src_flags, mask, mask_flags, dest, dest_flags, func) \
627 #define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
630 src, FAST_PATH_STD_SRC_FLAGS, \
631 mask, (PIXMAN_ ## mask) ? FAST_PATH_STD_MASK_U_FLAGS : 0, \
632 dest, FAST_PATH_STD_DEST_FLAGS, \
635 #define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
638 src, FAST_PATH_STD_SRC_FLAGS, \
639 mask, FAST_PATH_STD_MASK_CA_FLAGS, \
640 dest, FAST_PATH_STD_DEST_FLAGS, \
643 /* Memory allocation helpers */
645 pixman_malloc_ab (unsigned int n, unsigned int b);
648 pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
651 pixman_multiply_overflows_int (unsigned int a, unsigned int b);
654 pixman_addition_overflows_int (unsigned int a, unsigned int b);
656 /* Compositing utilities */
658 pixman_expand (uint64_t * dst,
659 const uint32_t * src,
660 pixman_format_code_t format,
664 pixman_contract (uint32_t * dst,
671 pixman_region32_copy_from_region16 (pixman_region32_t *dst,
672 pixman_region16_t *src);
675 pixman_region16_copy_from_region32 (pixman_region16_t *dst,
676 pixman_region32_t *src);
690 # define MIN(a, b) ((a < b) ? a : b)
694 # define MAX(a, b) ((a > b) ? a : b)
697 /* Integer division that rounds towards -infinity */
699 ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
700 ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
702 /* Modulus that produces the remainder wrt. DIV */
703 #define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
705 #define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
707 /* Conversion between 8888 and 0565 */
709 #define CONVERT_8888_TO_0565(s) \
710 ((((s) >> 3) & 0x001f) | \
711 (((s) >> 5) & 0x07e0) | \
712 (((s) >> 8) & 0xf800))
714 #define CONVERT_0565_TO_0888(s) \
715 (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
716 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
717 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
719 #define CONVERT_0565_TO_8888(s) (CONVERT_0565_TO_0888(s) | 0xff000000)
721 /* Trivial versions that are useful in macros */
722 #define CONVERT_8888_TO_8888(s) (s)
723 #define CONVERT_0565_TO_0565(s) (s)
725 #define PIXMAN_FORMAT_IS_WIDE(f) \
726 (PIXMAN_FORMAT_A (f) > 8 || \
727 PIXMAN_FORMAT_R (f) > 8 || \
728 PIXMAN_FORMAT_G (f) > 8 || \
729 PIXMAN_FORMAT_B (f) > 8)
731 #ifdef WORDS_BIGENDIAN
732 # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
733 # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
735 # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
736 # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
740 * Various debugging code
745 /* Turn on debugging depending on what type of release this is
747 #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
749 /* Debugging gets turned on for development releases because these
750 * are the things that end up in bleeding edge distributions such
753 * For performance reasons we don't turn it on for stable releases or
754 * random git checkouts. (Random git checkouts are often used for
765 _pixman_log_error (const char *function, const char *message);
767 #define return_if_fail(expr) \
772 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
778 #define return_val_if_fail(expr, retval) \
783 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
789 #define critical_if_fail(expr) \
793 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
800 #define _pixman_log_error(f,m) do { } while (0) \
802 #define return_if_fail(expr) \
810 #define return_val_if_fail(expr, retval) \
818 #define critical_if_fail(expr) \
831 static inline uint64_t
832 oil_profile_stamp_rdtsc (void)
836 __asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
840 #define OIL_STAMP oil_profile_stamp_rdtsc
842 typedef struct pixman_timer_t pixman_timer_t;
844 struct pixman_timer_t
850 pixman_timer_t *next;
853 extern int timer_defined;
855 void pixman_timer_register (pixman_timer_t *timer);
857 #define TIMER_BEGIN(tname) \
859 static pixman_timer_t timer ## tname; \
860 uint64_t begin ## tname; \
862 if (!timer ## tname.initialized) \
864 timer ## tname.initialized = 1; \
865 timer ## tname.name = # tname; \
866 pixman_timer_register (&timer ## tname); \
869 timer ## tname.n_times++; \
870 begin ## tname = OIL_STAMP ();
872 #define TIMER_END(tname) \
873 timer ## tname.total += OIL_STAMP () - begin ## tname; \
876 #endif /* PIXMAN_TIMERS */
878 #endif /* PIXMAN_PRIVATE_H */