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,
42 typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
46 typedef uint64_t (*fetch_pixel_64_t) (bits_image_t *image,
50 typedef void (*store_scanline_t) (bits_image_t * image,
54 const uint32_t *values);
67 SOURCE_IMAGE_CLASS_UNKNOWN,
68 SOURCE_IMAGE_CLASS_HORIZONTAL,
69 SOURCE_IMAGE_CLASS_VERTICAL,
70 } source_image_class_t;
72 typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
77 typedef void (*property_changed_func_t) (pixman_image_t *image);
83 pixman_region32_t clip_region;
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;
165 pixman_fixed_t angle;
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 a pixel, disregarding alpha maps, transformations etc. */
180 fetch_pixel_32_t fetch_pixel_raw_32;
181 fetch_pixel_64_t fetch_pixel_raw_64;
183 /* Fetch a pixel, taking alpha maps into account */
184 fetch_pixel_32_t fetch_pixel_32;
185 fetch_pixel_64_t fetch_pixel_64;
187 /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */
188 fetch_scanline_t fetch_scanline_raw_32;
189 fetch_scanline_t fetch_scanline_raw_64;
191 /* Store scanlines with no regard for alpha maps */
192 store_scanline_t store_scanline_raw_32;
193 store_scanline_t store_scanline_raw_64;
195 /* Store a scanline, taking alpha maps into account */
196 store_scanline_t store_scanline_32;
197 store_scanline_t store_scanline_64;
199 /* Used for indirect access to the bits */
200 pixman_read_memory_func_t read_func;
201 pixman_write_memory_func_t write_func;
207 image_common_t common;
209 source_image_t source;
211 linear_gradient_t linear;
212 conical_gradient_t conical;
213 radial_gradient_t radial;
219 _pixman_bits_image_setup_raw_accessors (bits_image_t *image);
222 _pixman_image_get_scanline_generic_64 (pixman_image_t *image,
227 const uint32_t *mask,
231 _pixman_image_classify (pixman_image_t *image,
238 _pixman_image_get_scanline_32 (pixman_image_t *image,
243 const uint32_t *mask,
246 /* Even thought the type of buffer is uint32_t *, the function actually expects
247 * a uint64_t *buffer.
250 _pixman_image_get_scanline_64 (pixman_image_t *image,
255 const uint32_t *unused,
259 _pixman_image_store_scanline_32 (bits_image_t * image,
263 const uint32_t *buffer);
265 /* Even though the type of buffer is uint32_t *, the function
266 * actually expects a uint64_t *buffer.
269 _pixman_image_store_scanline_64 (bits_image_t * image,
273 const uint32_t *buffer);
276 _pixman_image_allocate (void);
279 _pixman_init_gradient (gradient_t * gradient,
280 const pixman_gradient_stop_t *stops,
283 _pixman_image_reset_clip_region (pixman_image_t *image);
286 _pixman_image_validate (pixman_image_t *image);
289 _pixman_image_get_solid (pixman_image_t * image,
290 pixman_format_code_t format);
292 #define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
295 uint32_t *__bits__; \
298 __bits__ = image->bits.bits; \
299 __stride__ = image->bits.rowstride; \
301 __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
303 ((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
319 pixman_gradient_stop_t *stops;
324 } pixman_gradient_walker_t;
327 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
328 gradient_t * gradient,
329 unsigned int spread);
332 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
333 pixman_fixed_32_32_t pos);
336 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
337 pixman_fixed_32_32_t x);
343 #define MAX_ALPHA(n) ((1 << (n)) - 1)
344 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
345 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
347 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
348 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
350 #define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
351 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
353 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
354 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
356 #define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
357 #define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
359 #define RENDER_SAMPLES_X(x, n) \
360 ((n) == 1? 0 : (pixman_fixed_frac (x) + \
361 X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
364 pixman_rasterize_edges_accessors (pixman_image_t *image,
373 typedef struct pixman_implementation_t pixman_implementation_t;
375 typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
378 const uint32_t * src,
379 const uint32_t * mask,
382 typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
385 const uint64_t * src,
386 const uint64_t * mask,
389 typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
391 pixman_image_t * src,
392 pixman_image_t * mask,
393 pixman_image_t * dest,
402 typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
415 typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
425 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
426 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
431 pixman_format_code_t src_format;
433 pixman_format_code_t mask_format;
435 pixman_format_code_t dest_format;
437 pixman_composite_func_t func;
438 } pixman_fast_path_t;
440 struct pixman_implementation_t
442 pixman_implementation_t * toplevel;
443 pixman_implementation_t * delegate;
444 const pixman_fast_path_t * fast_paths;
446 pixman_blt_func_t blt;
447 pixman_fill_func_t fill;
449 pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
450 pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
451 pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
452 pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
455 pixman_implementation_t *
456 _pixman_implementation_create (pixman_implementation_t *delegate,
457 const pixman_fast_path_t *fast_paths);
460 _pixman_implementation_combine_32 (pixman_implementation_t *imp,
463 const uint32_t * src,
464 const uint32_t * mask,
467 _pixman_implementation_combine_64 (pixman_implementation_t *imp,
470 const uint64_t * src,
471 const uint64_t * mask,
474 _pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
477 const uint32_t * src,
478 const uint32_t * mask,
481 _pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
484 const uint64_t * src,
485 const uint64_t * mask,
489 _pixman_implementation_blt (pixman_implementation_t *imp,
504 _pixman_implementation_fill (pixman_implementation_t *imp,
514 /* Specific implementations */
515 pixman_implementation_t *
516 _pixman_implementation_create_general (void);
518 pixman_implementation_t *
519 _pixman_implementation_create_fast_path (void);
522 pixman_implementation_t *
523 _pixman_implementation_create_mmx (void);
527 pixman_implementation_t *
528 _pixman_implementation_create_sse2 (void);
532 pixman_implementation_t *
533 _pixman_implementation_create_arm_simd (void);
537 pixman_implementation_t *
538 _pixman_implementation_create_arm_neon (void);
542 pixman_implementation_t *
543 _pixman_implementation_create_vmx (void);
546 pixman_implementation_t *
547 _pixman_choose_implementation (void);
555 /* These "formats" all have depth 0, so they
556 * will never clash with any real ones
558 #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
559 #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
560 #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
561 #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
562 #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
563 #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
565 #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
567 #define FAST_PATH_ID_TRANSFORM (1 << 0)
568 #define FAST_PATH_NO_ALPHA_MAP (1 << 1)
569 #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
570 #define FAST_PATH_NO_PAD_REPEAT (1 << 3)
571 #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
572 #define FAST_PATH_NO_ACCESSORS (1 << 5)
573 #define FAST_PATH_NO_WIDE_FORMAT (1 << 6)
574 #define FAST_PATH_COVERS_CLIP (1 << 7)
575 #define FAST_PATH_COMPONENT_ALPHA (1 << 8)
576 #define FAST_PATH_UNIFIED_ALPHA (1 << 9)
577 #define FAST_PATH_SCALE_TRANSFORM (1 << 10)
578 #define FAST_PATH_NEAREST_FILTER (1 << 11)
579 #define FAST_PATH_SIMPLE_REPEAT (1 << 12)
580 #define FAST_PATH_IS_OPAQUE (1 << 13)
581 #define FAST_PATH_NEEDS_WORKAROUND (1 << 14)
583 #define _FAST_PATH_STANDARD_FLAGS \
584 (FAST_PATH_ID_TRANSFORM | \
585 FAST_PATH_NO_ALPHA_MAP | \
586 FAST_PATH_NO_CONVOLUTION_FILTER | \
587 FAST_PATH_NO_PAD_REPEAT | \
588 FAST_PATH_NO_REFLECT_REPEAT | \
589 FAST_PATH_NO_ACCESSORS | \
590 FAST_PATH_NO_WIDE_FORMAT | \
591 FAST_PATH_COVERS_CLIP)
593 #define FAST_PATH_STD_SRC_FLAGS \
594 _FAST_PATH_STANDARD_FLAGS
595 #define FAST_PATH_STD_MASK_U_FLAGS \
596 (_FAST_PATH_STANDARD_FLAGS | \
597 FAST_PATH_UNIFIED_ALPHA)
598 #define FAST_PATH_STD_MASK_CA_FLAGS \
599 (_FAST_PATH_STANDARD_FLAGS | \
600 FAST_PATH_COMPONENT_ALPHA)
601 #define FAST_PATH_STD_DEST_FLAGS \
602 (FAST_PATH_NO_ACCESSORS | \
603 FAST_PATH_NO_WIDE_FORMAT)
605 #define FAST_PATH(op, src, src_flags, mask, mask_flags, dest, dest_flags, func) \
615 #define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
618 src, FAST_PATH_STD_SRC_FLAGS, \
619 mask, (PIXMAN_ ## mask) ? FAST_PATH_STD_MASK_U_FLAGS : 0, \
620 dest, FAST_PATH_STD_DEST_FLAGS, \
623 #define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
626 src, FAST_PATH_STD_SRC_FLAGS, \
627 mask, FAST_PATH_STD_MASK_CA_FLAGS, \
628 dest, FAST_PATH_STD_DEST_FLAGS, \
631 /* Memory allocation helpers */
633 pixman_malloc_ab (unsigned int n, unsigned int b);
636 pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
639 pixman_multiply_overflows_int (unsigned int a, unsigned int b);
642 pixman_addition_overflows_int (unsigned int a, unsigned int b);
644 /* Compositing utilities */
646 pixman_expand (uint64_t * dst,
647 const uint32_t * src,
648 pixman_format_code_t format,
652 pixman_contract (uint32_t * dst,
659 pixman_region32_copy_from_region16 (pixman_region32_t *dst,
660 pixman_region16_t *src);
663 pixman_region16_copy_from_region32 (pixman_region16_t *dst,
664 pixman_region32_t *src);
678 # define MIN(a, b) ((a < b) ? a : b)
682 # define MAX(a, b) ((a > b) ? a : b)
685 /* Integer division that rounds towards -infinity */
687 ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
688 ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
690 /* Modulus that produces the remainder wrt. DIV */
691 #define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
693 #define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
695 /* Conversion between 8888 and 0565 */
697 #define CONVERT_8888_TO_0565(s) \
698 ((((s) >> 3) & 0x001f) | \
699 (((s) >> 5) & 0x07e0) | \
700 (((s) >> 8) & 0xf800))
702 #define CONVERT_0565_TO_0888(s) \
703 (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
704 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
705 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
707 #define PIXMAN_FORMAT_IS_WIDE(f) \
708 (PIXMAN_FORMAT_A (f) > 8 || \
709 PIXMAN_FORMAT_R (f) > 8 || \
710 PIXMAN_FORMAT_G (f) > 8 || \
711 PIXMAN_FORMAT_B (f) > 8)
713 #ifdef WORDS_BIGENDIAN
714 # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
715 # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
717 # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
718 # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
722 * Various debugging code
727 /* Turn on debugging depending on what type of release this is
729 #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
731 /* Debugging gets turned on for development releases because these
732 * are the things that end up in bleeding edge distributions such
735 * For performance reasons we don't turn it on for stable releases or
736 * random git checkouts. (Random git checkouts are often used for
747 _pixman_log_error (const char *function, const char *message);
749 #define return_if_fail(expr) \
754 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
760 #define return_val_if_fail(expr, retval) \
765 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
771 #define critical_if_fail(expr) \
775 _pixman_log_error (FUNC, "The expression " # expr " was false"); \
782 #define _pixman_log_error(f,m) do { } while (0) \
784 #define return_if_fail(expr) \
792 #define return_val_if_fail(expr, retval) \
800 #define critical_if_fail(expr) \
813 static inline uint64_t
814 oil_profile_stamp_rdtsc (void)
818 __asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
822 #define OIL_STAMP oil_profile_stamp_rdtsc
824 typedef struct pixman_timer_t pixman_timer_t;
826 struct pixman_timer_t
832 pixman_timer_t *next;
835 extern int timer_defined;
837 void pixman_timer_register (pixman_timer_t *timer);
839 #define TIMER_BEGIN(tname) \
841 static pixman_timer_t timer ## tname; \
842 uint64_t begin ## tname; \
844 if (!timer ## tname.initialized) \
846 timer ## tname.initialized = 1; \
847 timer ## tname.name = # tname; \
848 pixman_timer_register (&timer ## tname); \
851 timer ## tname.n_times++; \
852 begin ## tname = OIL_STAMP ();
854 #define TIMER_END(tname) \
855 timer ## tname.total += OIL_STAMP () - begin ## tname; \
858 #endif /* PIXMAN_TIMERS */
860 #endif /* PIXMAN_PRIVATE_H */