2 # error config.h must be included before pixman-private.h
5 #ifndef PIXMAN_PRIVATE_H
6 #define PIXMAN_PRIVATE_H
12 #include "pixman-compiler.h"
17 typedef struct image_common image_common_t;
18 typedef struct source_image source_image_t;
19 typedef struct solid_fill solid_fill_t;
20 typedef struct gradient gradient_t;
21 typedef struct linear_gradient linear_gradient_t;
22 typedef struct horizontal_gradient horizontal_gradient_t;
23 typedef struct vertical_gradient vertical_gradient_t;
24 typedef struct conical_gradient conical_gradient_t;
25 typedef struct radial_gradient radial_gradient_t;
26 typedef struct bits_image bits_image_t;
27 typedef struct circle circle_t;
29 typedef void (*fetch_scanline_t) (bits_image_t *pict,
30 int x, int y, int width,
34 typedef void (*fetch_pixels_t) (bits_image_t *image,
35 uint32_t *buffer, int n_pixels);
36 typedef void (*store_scanline_t) (bits_image_t *image,
37 int x, int y, int width,
38 const uint32_t *values);
40 typedef void (*scanFetchProc) (pixman_image_t *,
41 int, int, int, uint32_t *,
42 const uint32_t *, uint32_t);
55 SOURCE_IMAGE_CLASS_UNKNOWN,
56 SOURCE_IMAGE_CLASS_HORIZONTAL,
57 SOURCE_IMAGE_CLASS_VERTICAL,
58 } source_pict_class_t;
60 typedef source_pict_class_t (* classify_func_t) (pixman_image_t *image,
65 typedef void (* property_changed_func_t) (pixman_image_t *image);
71 pixman_region32_t clip_region;
72 pixman_bool_t have_clip_region; /* FALSE if there is no clip */
73 pixman_bool_t client_clip; /* Whether the source clip was
75 pixman_bool_t clip_sources; /* Whether the clip applies when
76 * the image is used as a source
78 pixman_transform_t *transform;
79 pixman_repeat_t repeat;
80 pixman_filter_t filter;
81 pixman_fixed_t *filter_params;
83 bits_image_t *alpha_map;
86 pixman_bool_t component_alpha;
87 pixman_read_memory_func_t read_func;
88 pixman_write_memory_func_t write_func;
89 classify_func_t classify;
90 property_changed_func_t property_changed;
91 scanFetchProc get_scanline_32;
92 scanFetchProc get_scanline_64;
94 pixman_image_destroy_func_t destroy_func;
100 image_common_t common;
101 source_pict_class_t class;
106 source_image_t common;
107 uint32_t color; /* FIXME: shouldn't this be a pixman_color_t? */
112 source_image_t common;
114 pixman_gradient_stop_t * stops;
116 uint32_t * color_table;
117 int color_table_size;
120 struct linear_gradient
123 pixman_point_fixed_t p1;
124 pixman_point_fixed_t p2;
131 pixman_fixed_t radius;
134 struct radial_gradient
146 struct conical_gradient
149 pixman_point_fixed_t center;
150 pixman_fixed_t angle;
155 image_common_t common;
156 pixman_format_code_t format;
157 const pixman_indexed_t *indexed;
162 int rowstride; /* in number of uint32_t's */
164 /* Fetch raw pixels, with no regard for transformations, alpha map etc. */
165 fetch_pixels_t fetch_pixels_raw_32;
166 fetch_pixels_t fetch_pixels_raw_64;
168 /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */
169 fetch_scanline_t fetch_scanline_raw_32;
170 fetch_scanline_t fetch_scanline_raw_64;
172 /* Store scanlines with no regard for alpha maps */
173 store_scanline_t store_scanline_raw_32;
174 store_scanline_t store_scanline_raw_64;
176 /* Store a scanline, taking alpha maps into account */
177 store_scanline_t store_scanline_32;
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;
190 source_image_t source;
192 linear_gradient_t linear;
193 conical_gradient_t conical;
194 radial_gradient_t radial;
200 _pixman_bits_image_setup_raw_accessors (bits_image_t *image);
203 _pixman_image_get_scanline_64_generic (pixman_image_t *pict,
208 const uint32_t *mask,
212 _pixman_image_classify (pixman_image_t *image,
219 _pixman_image_get_scanline_32 (pixman_image_t *image, int x, int y, int width, uint32_t *buffer,
220 const uint32_t *mask, uint32_t mask_bits);
222 /* Even thought the type of buffer is uint32_t *, the function actually expects
223 * a uint64_t *buffer.
226 _pixman_image_get_scanline_64 (pixman_image_t *image, int x, int y, int width, uint32_t *buffer,
227 const uint32_t *unused, uint32_t unused2);
230 _pixman_image_store_scanline_32 (bits_image_t *image, int x, int y, int width,
231 const uint32_t *buffer);
233 _pixman_image_fetch_pixels (bits_image_t *image, uint32_t *buffer,
236 /* Even thought the type of buffer is uint32_t *, the function actually expects
237 * a uint64_t *buffer.
240 _pixman_image_store_scanline_64 (bits_image_t *image, int x, int y, int width,
241 const uint32_t *buffer);
244 _pixman_image_allocate (void);
247 _pixman_init_gradient (gradient_t *gradient,
248 const pixman_gradient_stop_t *stops,
251 _pixman_image_reset_clip_region (pixman_image_t *image);
254 _pixman_image_is_opaque(pixman_image_t *image);
257 _pixman_image_is_solid (pixman_image_t *image);
260 _pixman_image_get_solid (pixman_image_t *image,
261 pixman_format_code_t format);
263 #define fbComposeGetStart(pict,x,y,type,out_stride,line,mul) do { \
264 uint32_t *__bits__; \
267 __bits__ = pict->bits.bits; \
268 __stride__ = pict->bits.rowstride; \
269 (out_stride) = __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
270 (line) = ((type *) __bits__) + \
271 (out_stride) * (y) + (mul) * (x); \
287 pixman_gradient_stop_t *stops;
292 } pixman_gradient_walker_t;
295 _pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
296 gradient_t *gradient,
297 unsigned int spread);
300 _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
301 pixman_fixed_32_32_t pos);
304 _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
305 pixman_fixed_32_32_t x);
311 #define MAX_ALPHA(n) ((1 << (n)) - 1)
312 #define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n)/2)) - 1)
313 #define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n)/2)) + 1)
315 #define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC(n))
316 #define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n))
318 #define Y_FRAC_FIRST(n) (STEP_Y_SMALL(n) / 2)
319 #define Y_FRAC_LAST(n) (Y_FRAC_FIRST(n) + (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n))
321 #define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC(n))
322 #define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC(n) - 1) * STEP_X_SMALL(n))
324 #define X_FRAC_FIRST(n) (STEP_X_SMALL(n) / 2)
325 #define X_FRAC_LAST(n) (X_FRAC_FIRST(n) + (N_X_FRAC(n) - 1) * STEP_X_SMALL(n))
327 #define RenderSamplesX(x,n) ((n) == 1 ? 0 : (pixman_fixed_frac (x) + X_FRAC_FIRST(n)) / STEP_X_SMALL(n))
330 pixman_rasterize_edges_accessors (pixman_image_t *image,
340 typedef struct pixman_implementation_t pixman_implementation_t;
342 typedef void (* pixman_combine_32_func_t) (pixman_implementation_t * imp,
345 const uint32_t * src,
346 const uint32_t * mask,
349 typedef void (* pixman_combine_64_func_t) (pixman_implementation_t * imp,
352 const uint64_t * src,
353 const uint64_t * mask,
356 typedef void (* pixman_composite_func_t) (pixman_implementation_t * imp,
358 pixman_image_t * src,
359 pixman_image_t * mask,
360 pixman_image_t * dest,
369 typedef pixman_bool_t (* pixman_blt_func_t) (pixman_implementation_t * imp,
382 typedef pixman_bool_t (* pixman_fill_func_t) (pixman_implementation_t *imp,
392 void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
393 void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
395 struct pixman_implementation_t
397 pixman_implementation_t * toplevel;
398 pixman_implementation_t * delegate;
400 pixman_composite_func_t composite;
401 pixman_blt_func_t blt;
402 pixman_fill_func_t fill;
404 pixman_combine_32_func_t combine_32[PIXMAN_OP_LAST];
405 pixman_combine_32_func_t combine_32_ca[PIXMAN_OP_LAST];
406 pixman_combine_64_func_t combine_64[PIXMAN_OP_LAST];
407 pixman_combine_64_func_t combine_64_ca[PIXMAN_OP_LAST];
410 pixman_implementation_t *
411 _pixman_implementation_create (pixman_implementation_t *delegate);
414 _pixman_implementation_combine_32 (pixman_implementation_t * imp,
417 const uint32_t * src,
418 const uint32_t * mask,
421 _pixman_implementation_combine_64 (pixman_implementation_t * imp,
424 const uint64_t * src,
425 const uint64_t * mask,
428 _pixman_implementation_combine_32_ca (pixman_implementation_t * imp,
431 const uint32_t * src,
432 const uint32_t * mask,
435 _pixman_implementation_combine_64_ca (pixman_implementation_t * imp,
438 const uint64_t * src,
439 const uint64_t * mask,
442 _pixman_implementation_composite (pixman_implementation_t * imp,
444 pixman_image_t * src,
445 pixman_image_t * mask,
446 pixman_image_t * dest,
457 _pixman_implementation_blt (pixman_implementation_t * imp,
471 _pixman_implementation_fill (pixman_implementation_t * imp,
481 /* Specific implementations */
482 pixman_implementation_t *
483 _pixman_implementation_create_general (void);
484 pixman_implementation_t *
485 _pixman_implementation_create_fast_path (void);
487 pixman_implementation_t *
488 _pixman_implementation_create_mmx (void);
491 pixman_implementation_t *
492 _pixman_implementation_create_sse2 (void);
495 pixman_implementation_t *
496 _pixman_implementation_create_arm_simd (void);
499 pixman_implementation_t *
500 _pixman_implementation_create_arm_neon (void);
503 pixman_implementation_t *
504 _pixman_implementation_create_vmx (void);
507 pixman_implementation_t *
508 _pixman_choose_implementation (void);
516 /* These "formats" both have depth 0, so they
517 * will never clash with any real ones
519 #define PIXMAN_null PIXMAN_FORMAT(0,0,0,0,0,0)
520 #define PIXMAN_solid PIXMAN_FORMAT(0,1,0,0,0,0)
522 #define NEED_COMPONENT_ALPHA (1 << 0)
523 #define NEED_PIXBUF (1 << 1)
524 #define NEED_SOLID_MASK (1 << 2)
529 pixman_format_code_t src_format;
530 pixman_format_code_t mask_format;
531 pixman_format_code_t dest_format;
532 pixman_composite_func_t func;
534 } pixman_fast_path_t;
536 /* Memory allocation helpers */
538 pixman_malloc_ab (unsigned int n, unsigned int b);
541 pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
544 pixman_multiply_overflows_int (unsigned int a, unsigned int b);
547 pixman_addition_overflows_int (unsigned int a, unsigned int b);
549 /* Compositing utilities */
551 _pixman_run_fast_path (const pixman_fast_path_t *paths,
552 pixman_implementation_t *imp,
555 pixman_image_t *mask,
556 pixman_image_t *dest,
567 _pixman_walk_composite_region (pixman_implementation_t *imp,
569 pixman_image_t * pSrc,
570 pixman_image_t * pMask,
571 pixman_image_t * pDst,
580 pixman_composite_func_t compositeRect);
583 pixman_expand (uint64_t *dst, const uint32_t *src, pixman_format_code_t, int width);
586 pixman_contract (uint32_t *dst, const uint64_t *src, int width);
591 pixman_region32_copy_from_region16 (pixman_region32_t *dst,
592 pixman_region16_t *src);
595 pixman_region16_copy_from_region32 (pixman_region16_t *dst,
596 pixman_region32_t *src);
610 # define MIN(a,b) ((a < b)? a : b)
614 # define MAX(a,b) ((a > b)? a : b)
617 /* Integer division that rounds towards -infinity */
618 #define DIV(a,b) ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
619 ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
621 /* Modulus that produces the remainder wrt. DIV */
622 #define MOD(a,b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
624 #define CLIP(v,low,high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
626 /* Conversion between 8888 and 0565 */
628 #define cvt8888to0565(s) ((((s) >> 3) & 0x001f) | \
629 (((s) >> 5) & 0x07e0) | \
630 (((s) >> 8) & 0xf800))
631 #define cvt0565to0888(s) (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
632 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
633 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
635 #define PIXMAN_FORMAT_IS_WIDE(f) (PIXMAN_FORMAT_A(f) > 8 || \
636 PIXMAN_FORMAT_R(f) > 8 || \
637 PIXMAN_FORMAT_G(f) > 8 || \
638 PIXMAN_FORMAT_B(f) > 8)
641 * Various debugging code
649 #define return_if_fail(expr) \
654 fprintf(stderr, "In %s: %s failed\n", FUNC, #expr); \
660 #define return_val_if_fail(expr, retval) \
665 fprintf(stderr, "In %s: %s failed\n", FUNC, #expr); \
673 #define return_if_fail(expr) \
681 #define return_val_if_fail(expr, retval) \
697 static inline uint64_t
698 oil_profile_stamp_rdtsc (void)
701 __asm__ __volatile__("rdtsc\n" : "=A" (ts));
704 #define OIL_STAMP oil_profile_stamp_rdtsc
706 typedef struct pixman_timer_t pixman_timer_t;
708 struct pixman_timer_t
714 pixman_timer_t *next;
717 extern int timer_defined;
718 void pixman_timer_register (pixman_timer_t *timer);
720 #define TIMER_BEGIN(tname) \
722 static pixman_timer_t timer##tname; \
723 uint64_t begin##tname; \
725 if (!timer##tname.initialized) \
727 timer##tname.initialized = 1; \
728 timer##tname.name = #tname; \
729 pixman_timer_register (&timer##tname); \
732 timer##tname.n_times++; \
733 begin##tname = OIL_STAMP();
735 #define TIMER_END(tname) \
736 timer##tname.total += OIL_STAMP() - begin##tname; \
739 #endif /* PIXMAN_TIMERS */
741 #endif /* PIXMAN_PRIVATE_H */