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
15 #include "pixman-compiler.h"
20 typedef struct image_common image_common_t;
21 typedef struct source_image source_image_t;
22 typedef struct solid_fill solid_fill_t;
23 typedef struct gradient gradient_t;
24 typedef struct linear_gradient linear_gradient_t;
25 typedef struct horizontal_gradient horizontal_gradient_t;
26 typedef struct vertical_gradient vertical_gradient_t;
27 typedef struct conical_gradient conical_gradient_t;
28 typedef struct radial_gradient radial_gradient_t;
29 typedef struct bits_image bits_image_t;
30 typedef struct circle circle_t;
32 typedef void (*fetch_scanline_t) (pixman_image_t *image,
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_VERTICAL,
68 } source_image_class_t;
70 typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
75 typedef void (*property_changed_func_t) (pixman_image_t *image);
81 pixman_region32_t clip_region;
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_bool_t need_workaround;
90 pixman_transform_t * transform;
91 pixman_repeat_t repeat;
92 pixman_filter_t filter;
93 pixman_fixed_t * filter_params;
95 bits_image_t * alpha_map;
98 pixman_bool_t component_alpha;
99 classify_func_t classify;
100 property_changed_func_t property_changed;
101 fetch_scanline_t get_scanline_32;
102 fetch_scanline_t get_scanline_64;
104 pixman_image_destroy_func_t destroy_func;
110 image_common_t common;
111 source_image_class_t class;
116 source_image_t common;
117 pixman_color_t color;
125 source_image_t common;
127 pixman_gradient_stop_t *stops;
131 struct linear_gradient
134 pixman_point_fixed_t p1;
135 pixman_point_fixed_t p2;
142 pixman_fixed_t radius;
145 struct radial_gradient
157 struct conical_gradient
160 pixman_point_fixed_t center;
161 pixman_fixed_t angle;
166 image_common_t common;
167 pixman_format_code_t format;
168 const pixman_indexed_t * indexed;
173 int rowstride; /* in number of uint32_t's */
175 /* Fetch a pixel, disregarding alpha maps, transformations etc. */
176 fetch_pixel_32_t fetch_pixel_raw_32;
177 fetch_pixel_64_t fetch_pixel_raw_64;
179 /* Fetch a pixel, taking alpha maps into account */
180 fetch_pixel_32_t fetch_pixel_32;
181 fetch_pixel_64_t fetch_pixel_64;
183 /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */
184 fetch_scanline_t fetch_scanline_raw_32;
185 fetch_scanline_t fetch_scanline_raw_64;
187 /* Store scanlines with no regard for alpha maps */
188 store_scanline_t store_scanline_raw_32;
189 store_scanline_t store_scanline_raw_64;
191 /* Store a scanline, taking alpha maps into account */
192 store_scanline_t store_scanline_32;
193 store_scanline_t store_scanline_64;
195 /* Used for indirect access to the bits */
196 pixman_read_memory_func_t read_func;
197 pixman_write_memory_func_t write_func;
203 image_common_t common;
205 source_image_t source;
207 linear_gradient_t linear;
208 conical_gradient_t conical;
209 radial_gradient_t radial;
215 _pixman_bits_image_setup_raw_accessors (bits_image_t *image);
218 _pixman_image_get_scanline_generic_64 (pixman_image_t *image,
223 const uint32_t *mask,
227 _pixman_image_classify (pixman_image_t *image,
234 _pixman_image_get_scanline_32 (pixman_image_t *image,
239 const uint32_t *mask,
242 /* Even thought the type of buffer is uint32_t *, the function actually expects
243 * a uint64_t *buffer.
246 _pixman_image_get_scanline_64 (pixman_image_t *image,
251 const uint32_t *unused,
255 _pixman_image_store_scanline_32 (bits_image_t * image,
259 const uint32_t *buffer);
261 /* Even though the type of buffer is uint32_t *, the function
262 * actually expects a uint64_t *buffer.
265 _pixman_image_store_scanline_64 (bits_image_t * image,
269 const uint32_t *buffer);
272 _pixman_image_allocate (void);
275 _pixman_init_gradient (gradient_t * gradient,
276 const pixman_gradient_stop_t *stops,
279 _pixman_image_reset_clip_region (pixman_image_t *image);
282 _pixman_image_validate (pixman_image_t *image);
285 _pixman_image_is_opaque (pixman_image_t *image);
288 _pixman_image_is_solid (pixman_image_t *image);
291 _pixman_image_get_solid (pixman_image_t * image,
292 pixman_format_code_t format);
294 #define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
297 uint32_t *__bits__; \
300 __bits__ = image->bits.bits; \
301 __stride__ = image->bits.rowstride; \
303 __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
305 ((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
321 pixman_gradient_stop_t *stops;
326 } pixman_gradient_walker_t;
329 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
330 gradient_t * gradient,
331 unsigned int spread);
334 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
335 pixman_fixed_32_32_t pos);
338 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
339 pixman_fixed_32_32_t x);
345 #define MAX_ALPHA(n) ((1 << (n)) - 1)
346 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
347 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
349 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
350 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
352 #define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
353 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
355 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
356 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
358 #define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
359 #define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
361 #define RENDER_SAMPLES_X(x, n) \
362 ((n) == 1? 0 : (pixman_fixed_frac (x) + \
363 X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
366 pixman_rasterize_edges_accessors (pixman_image_t *image,
375 typedef struct pixman_implementation_t pixman_implementation_t;
377 typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
380 const uint32_t * src,
381 const uint32_t * mask,
384 typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
387 const uint64_t * src,
388 const uint64_t * mask,
391 typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
393 pixman_image_t * src,
394 pixman_image_t * mask,
395 pixman_image_t * dest,
404 typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
417 typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
427 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
428 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
433 pixman_format_code_t src_format;
435 pixman_format_code_t mask_format;
437 pixman_format_code_t dest_format;
439 pixman_composite_func_t func;
440 } pixman_fast_path_t;
442 struct pixman_implementation_t
444 pixman_implementation_t * toplevel;
445 pixman_implementation_t * delegate;
446 const pixman_fast_path_t * fast_paths;
448 pixman_blt_func_t blt;
449 pixman_fill_func_t fill;
451 pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
452 pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
453 pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
454 pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
457 pixman_implementation_t *
458 _pixman_implementation_create (pixman_implementation_t *delegate,
459 const pixman_fast_path_t *fast_paths);
462 _pixman_implementation_combine_32 (pixman_implementation_t *imp,
465 const uint32_t * src,
466 const uint32_t * mask,
469 _pixman_implementation_combine_64 (pixman_implementation_t *imp,
472 const uint64_t * src,
473 const uint64_t * mask,
476 _pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
479 const uint32_t * src,
480 const uint32_t * mask,
483 _pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
486 const uint64_t * src,
487 const uint64_t * mask,
491 _pixman_implementation_blt (pixman_implementation_t *imp,
506 _pixman_implementation_fill (pixman_implementation_t *imp,
516 /* Specific implementations */
517 pixman_implementation_t *
518 _pixman_implementation_create_general (void);
520 pixman_implementation_t *
521 _pixman_implementation_create_fast_path (void);
524 pixman_implementation_t *
525 _pixman_implementation_create_mmx (void);
529 pixman_implementation_t *
530 _pixman_implementation_create_sse2 (void);
534 pixman_implementation_t *
535 _pixman_implementation_create_arm_simd (void);
539 pixman_implementation_t *
540 _pixman_implementation_create_arm_neon (void);
544 pixman_implementation_t *
545 _pixman_implementation_create_vmx (void);
548 pixman_implementation_t *
549 _pixman_choose_implementation (void);
557 /* These "formats" all have depth 0, so they
558 * will never clash with any real ones
560 #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
561 #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
562 #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
563 #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
564 #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
565 #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
567 #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
569 #define FAST_PATH_ID_TRANSFORM (1 << 0)
570 #define FAST_PATH_NO_ALPHA_MAP (1 << 1)
571 #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
572 #define FAST_PATH_NO_PAD_REPEAT (1 << 3)
573 #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
574 #define FAST_PATH_NO_ACCESSORS (1 << 5)
575 #define FAST_PATH_NO_WIDE_FORMAT (1 << 6)
576 #define FAST_PATH_COVERS_CLIP (1 << 7)
577 #define FAST_PATH_COMPONENT_ALPHA (1 << 8)
578 #define FAST_PATH_UNIFIED_ALPHA (1 << 9)
579 #define FAST_PATH_SCALE_TRANSFORM (1 << 10)
580 #define FAST_PATH_NEAREST_FILTER (1 << 11)
582 #define _FAST_PATH_STANDARD_FLAGS \
583 (FAST_PATH_ID_TRANSFORM | \
584 FAST_PATH_NO_ALPHA_MAP | \
585 FAST_PATH_NO_CONVOLUTION_FILTER | \
586 FAST_PATH_NO_PAD_REPEAT | \
587 FAST_PATH_NO_REFLECT_REPEAT | \
588 FAST_PATH_NO_ACCESSORS | \
589 FAST_PATH_NO_WIDE_FORMAT | \
590 FAST_PATH_COVERS_CLIP)
592 #define FAST_PATH_STD_SRC_FLAGS \
593 _FAST_PATH_STANDARD_FLAGS
594 #define FAST_PATH_STD_MASK_U_FLAGS \
595 (_FAST_PATH_STANDARD_FLAGS | \
596 FAST_PATH_UNIFIED_ALPHA)
597 #define FAST_PATH_STD_MASK_CA_FLAGS \
598 (_FAST_PATH_STANDARD_FLAGS | \
599 FAST_PATH_COMPONENT_ALPHA)
600 #define FAST_PATH_STD_DEST_FLAGS \
601 (FAST_PATH_NO_ACCESSORS | \
602 FAST_PATH_NO_WIDE_FORMAT)
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, FAST_PATH_STD_SRC_FLAGS, \
618 mask, (PIXMAN_ ## mask) ? FAST_PATH_STD_MASK_U_FLAGS : 0, \
619 dest, FAST_PATH_STD_DEST_FLAGS, \
622 #define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
625 src, FAST_PATH_STD_SRC_FLAGS, \
626 mask, FAST_PATH_STD_MASK_CA_FLAGS, \
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 PIXMAN_FORMAT_IS_WIDE(f) \
707 (PIXMAN_FORMAT_A (f) > 8 || \
708 PIXMAN_FORMAT_R (f) > 8 || \
709 PIXMAN_FORMAT_G (f) > 8 || \
710 PIXMAN_FORMAT_B (f) > 8)
712 #ifdef WORDS_BIGENDIAN
713 # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
714 # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
716 # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
717 # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
721 * Various debugging code
726 /* Turn on debugging depending on what type of release this is
728 #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
730 /* Debugging gets turned on for development releases because these
731 * are the things that end up in bleeding edge distributions such
734 * For performance reasons we don't turn it on for stable releases or
735 * random git checkouts. (Random git checkouts are often used for
746 _pixman_log_error (const char *function, const char *message);
748 #define return_if_fail(expr) \
753 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
759 #define return_val_if_fail(expr, retval) \
764 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
770 #define critical_if_fail(expr) \
774 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
781 #define _pixman_log_error(f,m) do { } while (0) \
783 #define return_if_fail(expr) \
791 #define return_val_if_fail(expr, retval) \
799 #define critical_if_fail(expr) \
812 static inline uint64_t
813 oil_profile_stamp_rdtsc (void)
817 __asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
821 #define OIL_STAMP oil_profile_stamp_rdtsc
823 typedef struct pixman_timer_t pixman_timer_t;
825 struct pixman_timer_t
831 pixman_timer_t *next;
834 extern int timer_defined;
836 void pixman_timer_register (pixman_timer_t *timer);
838 #define TIMER_BEGIN(tname) \
840 static pixman_timer_t timer ## tname; \
841 uint64_t begin ## tname; \
843 if (!timer ## tname.initialized) \
845 timer ## tname.initialized = 1; \
846 timer ## tname.name = # tname; \
847 pixman_timer_register (&timer ## tname); \
850 timer ## tname.n_times++; \
851 begin ## tname = OIL_STAMP ();
853 #define TIMER_END(tname) \
854 timer ## tname.total += OIL_STAMP () - begin ## tname; \
857 #endif /* PIXMAN_TIMERS */
859 #endif /* PIXMAN_PRIVATE_H */