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;
108 pixman_format_code_t extended_format_code;
113 image_common_t common;
114 source_image_class_t class;
119 source_image_t common;
120 pixman_color_t color;
128 source_image_t common;
130 pixman_gradient_stop_t *stops;
134 struct linear_gradient
137 pixman_point_fixed_t p1;
138 pixman_point_fixed_t p2;
145 pixman_fixed_t radius;
148 struct radial_gradient
160 struct conical_gradient
163 pixman_point_fixed_t center;
164 pixman_fixed_t angle;
169 image_common_t common;
170 pixman_format_code_t format;
171 const pixman_indexed_t * indexed;
176 int rowstride; /* in number of uint32_t's */
178 /* Fetch a pixel, disregarding alpha maps, transformations etc. */
179 fetch_pixel_32_t fetch_pixel_raw_32;
180 fetch_pixel_64_t fetch_pixel_raw_64;
182 /* Fetch a pixel, taking alpha maps into account */
183 fetch_pixel_32_t fetch_pixel_32;
184 fetch_pixel_64_t fetch_pixel_64;
186 /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */
187 fetch_scanline_t fetch_scanline_raw_32;
188 fetch_scanline_t fetch_scanline_raw_64;
190 /* Store scanlines with no regard for alpha maps */
191 store_scanline_t store_scanline_raw_32;
192 store_scanline_t store_scanline_raw_64;
194 /* Store a scanline, taking alpha maps into account */
195 store_scanline_t store_scanline_32;
196 store_scanline_t store_scanline_64;
198 /* Used for indirect access to the bits */
199 pixman_read_memory_func_t read_func;
200 pixman_write_memory_func_t write_func;
206 image_common_t common;
208 source_image_t source;
210 linear_gradient_t linear;
211 conical_gradient_t conical;
212 radial_gradient_t radial;
218 _pixman_bits_image_setup_raw_accessors (bits_image_t *image);
221 _pixman_image_get_scanline_generic_64 (pixman_image_t *image,
226 const uint32_t *mask,
230 _pixman_image_classify (pixman_image_t *image,
237 _pixman_image_get_scanline_32 (pixman_image_t *image,
242 const uint32_t *mask,
245 /* Even thought the type of buffer is uint32_t *, the function actually expects
246 * a uint64_t *buffer.
249 _pixman_image_get_scanline_64 (pixman_image_t *image,
254 const uint32_t *unused,
258 _pixman_image_store_scanline_32 (bits_image_t * image,
262 const uint32_t *buffer);
264 /* Even though the type of buffer is uint32_t *, the function
265 * actually expects a uint64_t *buffer.
268 _pixman_image_store_scanline_64 (bits_image_t * image,
272 const uint32_t *buffer);
275 _pixman_image_allocate (void);
278 _pixman_init_gradient (gradient_t * gradient,
279 const pixman_gradient_stop_t *stops,
282 _pixman_image_reset_clip_region (pixman_image_t *image);
285 _pixman_image_validate (pixman_image_t *image);
288 _pixman_image_is_opaque (pixman_image_t *image);
291 _pixman_image_is_solid (pixman_image_t *image);
294 _pixman_image_get_solid (pixman_image_t * image,
295 pixman_format_code_t format);
297 #define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
300 uint32_t *__bits__; \
303 __bits__ = image->bits.bits; \
304 __stride__ = image->bits.rowstride; \
306 __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
308 ((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
324 pixman_gradient_stop_t *stops;
329 } pixman_gradient_walker_t;
332 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
333 gradient_t * gradient,
334 unsigned int spread);
337 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
338 pixman_fixed_32_32_t pos);
341 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
342 pixman_fixed_32_32_t x);
348 #define MAX_ALPHA(n) ((1 << (n)) - 1)
349 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
350 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
352 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
353 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
355 #define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
356 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
358 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
359 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
361 #define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
362 #define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
364 #define RENDER_SAMPLES_X(x, n) \
365 ((n) == 1? 0 : (pixman_fixed_frac (x) + \
366 X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
369 pixman_rasterize_edges_accessors (pixman_image_t *image,
378 typedef struct pixman_implementation_t pixman_implementation_t;
380 typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
383 const uint32_t * src,
384 const uint32_t * mask,
387 typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
390 const uint64_t * src,
391 const uint64_t * mask,
394 typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
396 pixman_image_t * src,
397 pixman_image_t * mask,
398 pixman_image_t * dest,
407 typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
420 typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
430 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
431 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
436 pixman_format_code_t src_format;
438 pixman_format_code_t mask_format;
440 pixman_format_code_t dest_format;
442 pixman_composite_func_t func;
443 } pixman_fast_path_t;
445 struct pixman_implementation_t
447 pixman_implementation_t * toplevel;
448 pixman_implementation_t * delegate;
449 const pixman_fast_path_t * fast_paths;
451 pixman_blt_func_t blt;
452 pixman_fill_func_t fill;
454 pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
455 pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
456 pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
457 pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
460 pixman_implementation_t *
461 _pixman_implementation_create (pixman_implementation_t *delegate,
462 const pixman_fast_path_t *fast_paths);
465 _pixman_implementation_combine_32 (pixman_implementation_t *imp,
468 const uint32_t * src,
469 const uint32_t * mask,
472 _pixman_implementation_combine_64 (pixman_implementation_t *imp,
475 const uint64_t * src,
476 const uint64_t * mask,
479 _pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
482 const uint32_t * src,
483 const uint32_t * mask,
486 _pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
489 const uint64_t * src,
490 const uint64_t * mask,
494 _pixman_implementation_blt (pixman_implementation_t *imp,
509 _pixman_implementation_fill (pixman_implementation_t *imp,
519 /* Specific implementations */
520 pixman_implementation_t *
521 _pixman_implementation_create_general (void);
523 pixman_implementation_t *
524 _pixman_implementation_create_fast_path (void);
527 pixman_implementation_t *
528 _pixman_implementation_create_mmx (void);
532 pixman_implementation_t *
533 _pixman_implementation_create_sse2 (void);
537 pixman_implementation_t *
538 _pixman_implementation_create_arm_simd (void);
542 pixman_implementation_t *
543 _pixman_implementation_create_arm_neon (void);
547 pixman_implementation_t *
548 _pixman_implementation_create_vmx (void);
551 pixman_implementation_t *
552 _pixman_choose_implementation (void);
560 /* These "formats" all have depth 0, so they
561 * will never clash with any real ones
563 #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
564 #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
565 #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
566 #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
567 #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
568 #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
570 #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
572 #define FAST_PATH_ID_TRANSFORM (1 << 0)
573 #define FAST_PATH_NO_ALPHA_MAP (1 << 1)
574 #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
575 #define FAST_PATH_NO_PAD_REPEAT (1 << 3)
576 #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
577 #define FAST_PATH_NO_ACCESSORS (1 << 5)
578 #define FAST_PATH_NO_WIDE_FORMAT (1 << 6)
579 #define FAST_PATH_COVERS_CLIP (1 << 7)
580 #define FAST_PATH_COMPONENT_ALPHA (1 << 8)
581 #define FAST_PATH_UNIFIED_ALPHA (1 << 9)
582 #define FAST_PATH_SCALE_TRANSFORM (1 << 10)
583 #define FAST_PATH_NEAREST_FILTER (1 << 11)
584 #define FAST_PATH_SIMPLE_REPEAT (1 << 12)
586 #define _FAST_PATH_STANDARD_FLAGS \
587 (FAST_PATH_ID_TRANSFORM | \
588 FAST_PATH_NO_ALPHA_MAP | \
589 FAST_PATH_NO_CONVOLUTION_FILTER | \
590 FAST_PATH_NO_PAD_REPEAT | \
591 FAST_PATH_NO_REFLECT_REPEAT | \
592 FAST_PATH_NO_ACCESSORS | \
593 FAST_PATH_NO_WIDE_FORMAT | \
594 FAST_PATH_COVERS_CLIP)
596 #define FAST_PATH_STD_SRC_FLAGS \
597 _FAST_PATH_STANDARD_FLAGS
598 #define FAST_PATH_STD_MASK_U_FLAGS \
599 (_FAST_PATH_STANDARD_FLAGS | \
600 FAST_PATH_UNIFIED_ALPHA)
601 #define FAST_PATH_STD_MASK_CA_FLAGS \
602 (_FAST_PATH_STANDARD_FLAGS | \
603 FAST_PATH_COMPONENT_ALPHA)
604 #define FAST_PATH_STD_DEST_FLAGS \
605 (FAST_PATH_NO_ACCESSORS | \
606 FAST_PATH_NO_WIDE_FORMAT)
608 #define FAST_PATH(op, src, src_flags, mask, mask_flags, dest, dest_flags, func) \
618 #define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
621 src, FAST_PATH_STD_SRC_FLAGS, \
622 mask, (PIXMAN_ ## mask) ? FAST_PATH_STD_MASK_U_FLAGS : 0, \
623 dest, FAST_PATH_STD_DEST_FLAGS, \
626 #define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
629 src, FAST_PATH_STD_SRC_FLAGS, \
630 mask, FAST_PATH_STD_MASK_CA_FLAGS, \
631 dest, FAST_PATH_STD_DEST_FLAGS, \
634 /* Memory allocation helpers */
636 pixman_malloc_ab (unsigned int n, unsigned int b);
639 pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
642 pixman_multiply_overflows_int (unsigned int a, unsigned int b);
645 pixman_addition_overflows_int (unsigned int a, unsigned int b);
647 /* Compositing utilities */
649 pixman_expand (uint64_t * dst,
650 const uint32_t * src,
651 pixman_format_code_t format,
655 pixman_contract (uint32_t * dst,
662 pixman_region32_copy_from_region16 (pixman_region32_t *dst,
663 pixman_region16_t *src);
666 pixman_region16_copy_from_region32 (pixman_region16_t *dst,
667 pixman_region32_t *src);
681 # define MIN(a, b) ((a < b) ? a : b)
685 # define MAX(a, b) ((a > b) ? a : b)
688 /* Integer division that rounds towards -infinity */
690 ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
691 ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
693 /* Modulus that produces the remainder wrt. DIV */
694 #define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
696 #define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
698 /* Conversion between 8888 and 0565 */
700 #define CONVERT_8888_TO_0565(s) \
701 ((((s) >> 3) & 0x001f) | \
702 (((s) >> 5) & 0x07e0) | \
703 (((s) >> 8) & 0xf800))
705 #define CONVERT_0565_TO_0888(s) \
706 (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
707 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
708 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
710 #define PIXMAN_FORMAT_IS_WIDE(f) \
711 (PIXMAN_FORMAT_A (f) > 8 || \
712 PIXMAN_FORMAT_R (f) > 8 || \
713 PIXMAN_FORMAT_G (f) > 8 || \
714 PIXMAN_FORMAT_B (f) > 8)
716 #ifdef WORDS_BIGENDIAN
717 # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
718 # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
720 # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
721 # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
725 * Various debugging code
730 /* Turn on debugging depending on what type of release this is
732 #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
734 /* Debugging gets turned on for development releases because these
735 * are the things that end up in bleeding edge distributions such
738 * For performance reasons we don't turn it on for stable releases or
739 * random git checkouts. (Random git checkouts are often used for
750 _pixman_log_error (const char *function, const char *message);
752 #define return_if_fail(expr) \
757 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
763 #define return_val_if_fail(expr, retval) \
768 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
774 #define critical_if_fail(expr) \
778 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
785 #define _pixman_log_error(f,m) do { } while (0) \
787 #define return_if_fail(expr) \
795 #define return_val_if_fail(expr, retval) \
803 #define critical_if_fail(expr) \
816 static inline uint64_t
817 oil_profile_stamp_rdtsc (void)
821 __asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
825 #define OIL_STAMP oil_profile_stamp_rdtsc
827 typedef struct pixman_timer_t pixman_timer_t;
829 struct pixman_timer_t
835 pixman_timer_t *next;
838 extern int timer_defined;
840 void pixman_timer_register (pixman_timer_t *timer);
842 #define TIMER_BEGIN(tname) \
844 static pixman_timer_t timer ## tname; \
845 uint64_t begin ## tname; \
847 if (!timer ## tname.initialized) \
849 timer ## tname.initialized = 1; \
850 timer ## tname.name = # tname; \
851 pixman_timer_register (&timer ## tname); \
854 timer ## tname.n_times++; \
855 begin ## tname = OIL_STAMP ();
857 #define TIMER_END(tname) \
858 timer ## tname.total += OIL_STAMP () - begin ## tname; \
861 #endif /* PIXMAN_TIMERS */
863 #endif /* PIXMAN_PRIVATE_H */