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 solid_fill solid_fill_t;
24 typedef struct gradient gradient_t;
25 typedef struct linear_gradient linear_gradient_t;
26 typedef struct horizontal_gradient horizontal_gradient_t;
27 typedef struct vertical_gradient vertical_gradient_t;
28 typedef struct conical_gradient conical_gradient_t;
29 typedef struct radial_gradient radial_gradient_t;
30 typedef struct bits_image bits_image_t;
31 typedef struct circle circle_t;
33 typedef void (*fetch_scanline_t) (pixman_image_t *image,
38 const uint32_t *mask);
40 typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
44 typedef uint64_t (*fetch_pixel_64_t) (bits_image_t *image,
48 typedef void (*store_scanline_t) (bits_image_t * image,
52 const uint32_t *values);
65 SOURCE_IMAGE_CLASS_UNKNOWN,
66 SOURCE_IMAGE_CLASS_HORIZONTAL,
67 } source_image_class_t;
69 typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
74 typedef void (*property_changed_func_t) (pixman_image_t *image);
80 pixman_region32_t clip_region;
81 int32_t alpha_count; /* How many times this image is being used as an alpha map */
82 pixman_bool_t have_clip_region; /* FALSE if there is no clip */
83 pixman_bool_t client_clip; /* Whether the source clip was
85 pixman_bool_t clip_sources; /* Whether the clip applies when
86 * the image is used as a source
89 pixman_transform_t * transform;
90 pixman_repeat_t repeat;
91 pixman_filter_t filter;
92 pixman_fixed_t * filter_params;
94 bits_image_t * alpha_map;
97 pixman_bool_t component_alpha;
98 classify_func_t classify;
99 property_changed_func_t property_changed;
100 fetch_scanline_t get_scanline_32;
101 fetch_scanline_t get_scanline_64;
103 pixman_image_destroy_func_t destroy_func;
107 pixman_format_code_t extended_format_code;
112 image_common_t common;
113 pixman_color_t color;
121 image_common_t common;
123 pixman_gradient_stop_t *stops;
127 struct linear_gradient
130 pixman_point_fixed_t p1;
131 pixman_point_fixed_t p2;
138 pixman_fixed_t radius;
141 struct radial_gradient
154 struct conical_gradient
157 pixman_point_fixed_t center;
163 image_common_t common;
164 pixman_format_code_t format;
165 const pixman_indexed_t * indexed;
170 int rowstride; /* in number of uint32_t's */
172 fetch_scanline_t fetch_scanline_32;
173 fetch_pixel_32_t fetch_pixel_32;
174 store_scanline_t store_scanline_32;
176 fetch_scanline_t fetch_scanline_64;
177 fetch_pixel_64_t fetch_pixel_64;
178 store_scanline_t store_scanline_64;
180 /* Used for indirect access to the bits */
181 pixman_read_memory_func_t read_func;
182 pixman_write_memory_func_t write_func;
188 image_common_t common;
191 linear_gradient_t linear;
192 conical_gradient_t conical;
193 radial_gradient_t radial;
198 _pixman_bits_image_setup_accessors (bits_image_t *image);
201 _pixman_image_get_scanline_generic_64 (pixman_image_t *image,
206 const uint32_t *mask);
209 _pixman_image_classify (pixman_image_t *image,
216 _pixman_image_get_scanline_32 (pixman_image_t *image,
221 const uint32_t *mask);
223 /* Even thought the type of buffer is uint32_t *, the function actually expects
224 * a uint64_t *buffer.
227 _pixman_image_get_scanline_64 (pixman_image_t *image,
232 const uint32_t *unused);
235 _pixman_image_store_scanline_32 (bits_image_t * image,
239 const uint32_t *buffer);
241 /* Even though the type of buffer is uint32_t *, the function
242 * actually expects a uint64_t *buffer.
245 _pixman_image_store_scanline_64 (bits_image_t * image,
249 const uint32_t *buffer);
252 _pixman_image_allocate (void);
255 _pixman_init_gradient (gradient_t * gradient,
256 const pixman_gradient_stop_t *stops,
259 _pixman_image_reset_clip_region (pixman_image_t *image);
262 _pixman_image_validate (pixman_image_t *image);
265 _pixman_image_get_solid (pixman_image_t * image,
266 pixman_format_code_t format);
268 #define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
271 uint32_t *__bits__; \
274 __bits__ = image->bits.bits; \
275 __stride__ = image->bits.rowstride; \
277 __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
279 ((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
295 pixman_gradient_stop_t *stops;
300 } pixman_gradient_walker_t;
303 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
304 gradient_t * gradient,
305 unsigned int spread);
308 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
309 pixman_fixed_32_32_t pos);
312 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
313 pixman_fixed_32_32_t x);
319 #define MAX_ALPHA(n) ((1 << (n)) - 1)
320 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
321 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
323 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
324 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
326 #define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
327 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
329 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
330 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
332 #define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
333 #define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
335 #define RENDER_SAMPLES_X(x, n) \
336 ((n) == 1? 0 : (pixman_fixed_frac (x) + \
337 X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
340 pixman_rasterize_edges_accessors (pixman_image_t *image,
349 typedef struct pixman_implementation_t pixman_implementation_t;
351 typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
354 const uint32_t * src,
355 const uint32_t * mask,
358 typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
361 const uint64_t * src,
362 const uint64_t * mask,
365 typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
367 pixman_image_t * src,
368 pixman_image_t * mask,
369 pixman_image_t * dest,
378 typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
391 typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
401 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
402 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
407 pixman_format_code_t src_format;
409 pixman_format_code_t mask_format;
411 pixman_format_code_t dest_format;
413 pixman_composite_func_t func;
414 } pixman_fast_path_t;
416 struct pixman_implementation_t
418 pixman_implementation_t * toplevel;
419 pixman_implementation_t * delegate;
420 const pixman_fast_path_t * fast_paths;
422 pixman_blt_func_t blt;
423 pixman_fill_func_t fill;
425 pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
426 pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
427 pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
428 pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
431 pixman_implementation_t *
432 _pixman_implementation_create (pixman_implementation_t *delegate,
433 const pixman_fast_path_t *fast_paths);
436 _pixman_implementation_combine_32 (pixman_implementation_t *imp,
439 const uint32_t * src,
440 const uint32_t * mask,
443 _pixman_implementation_combine_64 (pixman_implementation_t *imp,
446 const uint64_t * src,
447 const uint64_t * mask,
450 _pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
453 const uint32_t * src,
454 const uint32_t * mask,
457 _pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
460 const uint64_t * src,
461 const uint64_t * mask,
465 _pixman_implementation_blt (pixman_implementation_t *imp,
480 _pixman_implementation_fill (pixman_implementation_t *imp,
490 /* Specific implementations */
491 pixman_implementation_t *
492 _pixman_implementation_create_general (void);
494 pixman_implementation_t *
495 _pixman_implementation_create_fast_path (void);
498 pixman_implementation_t *
499 _pixman_implementation_create_mmx (void);
503 pixman_implementation_t *
504 _pixman_implementation_create_sse2 (void);
508 pixman_implementation_t *
509 _pixman_implementation_create_arm_simd (void);
513 pixman_implementation_t *
514 _pixman_implementation_create_arm_neon (void);
518 pixman_implementation_t *
519 _pixman_implementation_create_vmx (void);
522 pixman_implementation_t *
523 _pixman_choose_implementation (void);
531 /* These "formats" all have depth 0, so they
532 * will never clash with any real ones
534 #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
535 #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
536 #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
537 #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
538 #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
539 #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
541 #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
543 #define FAST_PATH_ID_TRANSFORM (1 << 0)
544 #define FAST_PATH_NO_ALPHA_MAP (1 << 1)
545 #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
546 #define FAST_PATH_NO_PAD_REPEAT (1 << 3)
547 #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
548 #define FAST_PATH_NO_ACCESSORS (1 << 5)
549 #define FAST_PATH_NARROW_FORMAT (1 << 6)
550 #define FAST_PATH_COMPONENT_ALPHA (1 << 8)
551 #define FAST_PATH_SAMPLES_OPAQUE (1 << 7)
552 #define FAST_PATH_UNIFIED_ALPHA (1 << 9)
553 #define FAST_PATH_SCALE_TRANSFORM (1 << 10)
554 #define FAST_PATH_NEAREST_FILTER (1 << 11)
555 #define FAST_PATH_HAS_TRANSFORM (1 << 12)
556 #define FAST_PATH_IS_OPAQUE (1 << 13)
557 #define FAST_PATH_NO_NORMAL_REPEAT (1 << 14)
558 #define FAST_PATH_NO_NONE_REPEAT (1 << 15)
559 #define FAST_PATH_SAMPLES_COVER_CLIP (1 << 16)
560 #define FAST_PATH_X_UNIT_POSITIVE (1 << 17)
561 #define FAST_PATH_AFFINE_TRANSFORM (1 << 18)
562 #define FAST_PATH_Y_UNIT_ZERO (1 << 19)
563 #define FAST_PATH_BILINEAR_FILTER (1 << 20)
565 #define FAST_PATH_PAD_REPEAT \
566 (FAST_PATH_NO_NONE_REPEAT | \
567 FAST_PATH_NO_NORMAL_REPEAT | \
568 FAST_PATH_NO_REFLECT_REPEAT)
570 #define FAST_PATH_NORMAL_REPEAT \
571 (FAST_PATH_NO_NONE_REPEAT | \
572 FAST_PATH_NO_PAD_REPEAT | \
573 FAST_PATH_NO_REFLECT_REPEAT)
575 #define FAST_PATH_NONE_REPEAT \
576 (FAST_PATH_NO_NORMAL_REPEAT | \
577 FAST_PATH_NO_PAD_REPEAT | \
578 FAST_PATH_NO_REFLECT_REPEAT)
580 #define FAST_PATH_REFLECT_REPEAT \
581 (FAST_PATH_NO_NONE_REPEAT | \
582 FAST_PATH_NO_NORMAL_REPEAT | \
583 FAST_PATH_NO_PAD_REPEAT)
585 #define FAST_PATH_STANDARD_FLAGS \
586 (FAST_PATH_NO_CONVOLUTION_FILTER | \
587 FAST_PATH_NO_ACCESSORS | \
588 FAST_PATH_NO_ALPHA_MAP | \
589 FAST_PATH_NARROW_FORMAT)
591 #define FAST_PATH_STD_DEST_FLAGS \
592 (FAST_PATH_NO_ACCESSORS | \
593 FAST_PATH_NO_ALPHA_MAP | \
594 FAST_PATH_NARROW_FORMAT)
596 #define SOURCE_FLAGS(format) \
597 (FAST_PATH_STANDARD_FLAGS | \
598 ((PIXMAN_ ## format == PIXMAN_solid) ? \
599 0 : (FAST_PATH_SAMPLES_COVER_CLIP | FAST_PATH_ID_TRANSFORM)))
601 #define MASK_FLAGS(format, extra) \
602 ((PIXMAN_ ## format == PIXMAN_null) ? 0 : (SOURCE_FLAGS (format) | extra))
604 #define FAST_PATH(op, src, src_flags, mask, mask_flags, dest, dest_flags, func) \
614 #define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
617 src, SOURCE_FLAGS (src), \
618 mask, MASK_FLAGS (mask, FAST_PATH_UNIFIED_ALPHA), \
619 dest, FAST_PATH_STD_DEST_FLAGS, \
622 #define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
625 src, SOURCE_FLAGS (src), \
626 mask, MASK_FLAGS (mask, FAST_PATH_COMPONENT_ALPHA), \
627 dest, FAST_PATH_STD_DEST_FLAGS, \
630 /* Memory allocation helpers */
632 pixman_malloc_ab (unsigned int n, unsigned int b);
635 pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
638 pixman_multiply_overflows_int (unsigned int a, unsigned int b);
641 pixman_addition_overflows_int (unsigned int a, unsigned int b);
643 /* Compositing utilities */
645 pixman_expand (uint64_t * dst,
646 const uint32_t * src,
647 pixman_format_code_t format,
651 pixman_contract (uint32_t * dst,
658 pixman_region32_copy_from_region16 (pixman_region32_t *dst,
659 pixman_region16_t *src);
662 pixman_region16_copy_from_region32 (pixman_region16_t *dst,
663 pixman_region32_t *src);
677 # define MIN(a, b) ((a < b) ? a : b)
681 # define MAX(a, b) ((a > b) ? a : b)
684 /* Integer division that rounds towards -infinity */
686 ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
687 ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
689 /* Modulus that produces the remainder wrt. DIV */
690 #define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
692 #define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
694 /* Conversion between 8888 and 0565 */
696 #define CONVERT_8888_TO_0565(s) \
697 ((((s) >> 3) & 0x001f) | \
698 (((s) >> 5) & 0x07e0) | \
699 (((s) >> 8) & 0xf800))
701 #define CONVERT_0565_TO_0888(s) \
702 (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
703 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
704 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
706 #define CONVERT_0565_TO_8888(s) (CONVERT_0565_TO_0888(s) | 0xff000000)
708 /* Trivial versions that are useful in macros */
709 #define CONVERT_8888_TO_8888(s) (s)
710 #define CONVERT_0565_TO_0565(s) (s)
712 #define PIXMAN_FORMAT_IS_WIDE(f) \
713 (PIXMAN_FORMAT_A (f) > 8 || \
714 PIXMAN_FORMAT_R (f) > 8 || \
715 PIXMAN_FORMAT_G (f) > 8 || \
716 PIXMAN_FORMAT_B (f) > 8)
718 #ifdef WORDS_BIGENDIAN
719 # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
720 # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
722 # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
723 # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
727 * Various debugging code
732 #define COMPILE_TIME_ASSERT(x) \
733 do { typedef int compile_time_assertion [(x)?1:-1]; } while (0)
735 /* Turn on debugging depending on what type of release this is
737 #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
739 /* Debugging gets turned on for development releases because these
740 * are the things that end up in bleeding edge distributions such
743 * For performance reasons we don't turn it on for stable releases or
744 * random git checkouts. (Random git checkouts are often used for
755 _pixman_log_error (const char *function, const char *message);
757 #define return_if_fail(expr) \
762 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
768 #define return_val_if_fail(expr, retval) \
773 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
779 #define critical_if_fail(expr) \
783 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
790 #define _pixman_log_error(f,m) do { } while (0) \
792 #define return_if_fail(expr) \
800 #define return_val_if_fail(expr, retval) \
808 #define critical_if_fail(expr) \
821 static inline uint64_t
822 oil_profile_stamp_rdtsc (void)
826 __asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
830 #define OIL_STAMP oil_profile_stamp_rdtsc
832 typedef struct pixman_timer_t pixman_timer_t;
834 struct pixman_timer_t
840 pixman_timer_t *next;
843 extern int timer_defined;
845 void pixman_timer_register (pixman_timer_t *timer);
847 #define TIMER_BEGIN(tname) \
849 static pixman_timer_t timer ## tname; \
850 uint64_t begin ## tname; \
852 if (!timer ## tname.initialized) \
854 timer ## tname.initialized = 1; \
855 timer ## tname.name = # tname; \
856 pixman_timer_register (&timer ## tname); \
859 timer ## tname.n_times++; \
860 begin ## tname = OIL_STAMP ();
862 #define TIMER_END(tname) \
863 timer ## tname.total += OIL_STAMP () - begin ## tname; \
866 #endif /* PIXMAN_TIMERS */
868 #endif /* PIXMAN_PRIVATE_H */