diff options
Diffstat (limited to 'libs/pixman-0.40.0/pixman/pixman-combine32.c')
-rw-r--r-- | libs/pixman-0.40.0/pixman/pixman-combine32.c | 1189 |
1 files changed, 0 insertions, 1189 deletions
diff --git a/libs/pixman-0.40.0/pixman/pixman-combine32.c b/libs/pixman-0.40.0/pixman/pixman-combine32.c deleted file mode 100644 index 4a89384..0000000 --- a/libs/pixman-0.40.0/pixman/pixman-combine32.c +++ /dev/null @@ -1,1189 +0,0 @@ -/* - * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. - * 2005 Lars Knoll & Zack Rusin, Trolltech - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <math.h> -#include <string.h> - -#include "pixman-private.h" -#include "pixman-combine32.h" - -/* component alpha helper functions */ - -static void -combine_mask_ca (uint32_t *src, uint32_t *mask) -{ - uint32_t a = *mask; - - uint32_t x; - uint16_t xa; - - if (!a) - { - *(src) = 0; - return; - } - - x = *(src); - if (a == ~0) - { - x = x >> A_SHIFT; - x |= x << G_SHIFT; - x |= x << R_SHIFT; - *(mask) = x; - return; - } - - xa = x >> A_SHIFT; - UN8x4_MUL_UN8x4 (x, a); - *(src) = x; - - UN8x4_MUL_UN8 (a, xa); - *(mask) = a; -} - -static void -combine_mask_value_ca (uint32_t *src, const uint32_t *mask) -{ - uint32_t a = *mask; - uint32_t x; - - if (!a) - { - *(src) = 0; - return; - } - - if (a == ~0) - return; - - x = *(src); - UN8x4_MUL_UN8x4 (x, a); - *(src) = x; -} - -static void -combine_mask_alpha_ca (const uint32_t *src, uint32_t *mask) -{ - uint32_t a = *(mask); - uint32_t x; - - if (!a) - return; - - x = *(src) >> A_SHIFT; - if (x == MASK) - return; - - if (a == ~0) - { - x |= x << G_SHIFT; - x |= x << R_SHIFT; - *(mask) = x; - return; - } - - UN8x4_MUL_UN8 (a, x); - *(mask) = a; -} - -/* - * There are two ways of handling alpha -- either as a single unified value or - * a separate value for each component, hence each macro must have two - * versions. The unified alpha version has a 'u' at the end of the name, - * the component version has a 'ca'. Similarly, functions which deal with - * this difference will have two versions using the same convention. - */ - -static force_inline uint32_t -combine_mask (const uint32_t *src, const uint32_t *mask, int i) -{ - uint32_t s, m; - - if (mask) - { - m = *(mask + i) >> A_SHIFT; - - if (!m) - return 0; - } - - s = *(src + i); - - if (mask) - UN8x4_MUL_UN8 (s, m); - - return s; -} - -static void -combine_clear (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - memset (dest, 0, width * sizeof (uint32_t)); -} - -static void -combine_dst (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - return; -} - -static void -combine_src_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - if (!mask) - { - memcpy (dest, src, width * sizeof (uint32_t)); - } - else - { - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - - *(dest + i) = s; - } - } -} - -static void -combine_over_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - if (!mask) - { - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t a = ALPHA_8 (s); - if (a == 0xFF) - { - *(dest + i) = s; - } - else if (s) - { - uint32_t d = *(dest + i); - uint32_t ia = a ^ 0xFF; - UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s); - *(dest + i) = d; - } - } - } - else - { - for (i = 0; i < width; ++i) - { - uint32_t m = ALPHA_8 (*(mask + i)); - if (m == 0xFF) - { - uint32_t s = *(src + i); - uint32_t a = ALPHA_8 (s); - if (a == 0xFF) - { - *(dest + i) = s; - } - else if (s) - { - uint32_t d = *(dest + i); - uint32_t ia = a ^ 0xFF; - UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s); - *(dest + i) = d; - } - } - else if (m) - { - uint32_t s = *(src + i); - if (s) - { - uint32_t d = *(dest + i); - UN8x4_MUL_UN8 (s, m); - UN8x4_MUL_UN8_ADD_UN8x4 (d, ALPHA_8 (~s), s); - *(dest + i) = d; - } - } - } - } -} - -static void -combine_over_reverse_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t ia = ALPHA_8 (~*(dest + i)); - UN8x4_MUL_UN8_ADD_UN8x4 (s, ia, d); - *(dest + i) = s; - } -} - -static void -combine_in_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t a = ALPHA_8 (*(dest + i)); - UN8x4_MUL_UN8 (s, a); - *(dest + i) = s; - } -} - -static void -combine_in_reverse_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t a = ALPHA_8 (s); - UN8x4_MUL_UN8 (d, a); - *(dest + i) = d; - } -} - -static void -combine_out_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t a = ALPHA_8 (~*(dest + i)); - UN8x4_MUL_UN8 (s, a); - *(dest + i) = s; - } -} - -static void -combine_out_reverse_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t a = ALPHA_8 (~s); - UN8x4_MUL_UN8 (d, a); - *(dest + i) = d; - } -} - -static void -combine_atop_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t dest_a = ALPHA_8 (d); - uint32_t src_ia = ALPHA_8 (~s); - - UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_a, d, src_ia); - *(dest + i) = s; - } -} - -static void -combine_atop_reverse_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t src_a = ALPHA_8 (s); - uint32_t dest_ia = ALPHA_8 (~d); - - UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_a); - *(dest + i) = s; - } -} - -static void -combine_xor_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t src_ia = ALPHA_8 (~s); - uint32_t dest_ia = ALPHA_8 (~d); - - UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_ia); - *(dest + i) = s; - } -} - -static void -combine_add_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - UN8x4_ADD_UN8x4 (d, s); - *(dest + i) = d; - } -} - -/* - * PDF blend modes: - * - * The following blend modes have been taken from the PDF ISO 32000 - * specification, which at this point in time is available from - * - * http://www.adobe.com/devnet/pdf/pdf_reference.html - * - * The specific documents of interest are the PDF spec itself: - * - * http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/PDF32000_2008.pdf - * - * chapters 11.3.5 and 11.3.6 and a later supplement for Adobe Acrobat - * 9.1 and Reader 9.1: - * - * http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/adobe_supplement_iso32000_1.pdf - * - * that clarifies the specifications for blend modes ColorDodge and - * ColorBurn. - * - * The formula for computing the final pixel color given in 11.3.6 is: - * - * αr × Cr = (1 – αs) × αb × Cb + (1 – αb) × αs × Cs + αb × αs × B(Cb, Cs) - * - * with B() is the blend function. When B(Cb, Cs) = Cs, this formula - * reduces to the regular OVER operator. - * - * Cs and Cb are not premultiplied, so in our implementation we instead - * use: - * - * cr = (1 – αs) × cb + (1 – αb) × cs + αb × αs × B (cb/αb, cs/αs) - * - * where cr, cs, and cb are premultiplied colors, and where the - * - * αb × αs × B(cb/αb, cs/αs) - * - * part is first arithmetically simplified under the assumption that αb - * and αs are not 0, and then updated to produce a meaningful result when - * they are. - * - * For all the blend mode operators, the alpha channel is given by - * - * αr = αs + αb + αb × αs - */ - -/* - * Multiply - * - * ad * as * B(d / ad, s / as) - * = ad * as * d/ad * s/as - * = d * s - * - */ -static void -combine_multiply_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = combine_mask (src, mask, i); - uint32_t d = *(dest + i); - uint32_t ss = s; - uint32_t src_ia = ALPHA_8 (~s); - uint32_t dest_ia = ALPHA_8 (~d); - - UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (ss, dest_ia, d, src_ia); - UN8x4_MUL_UN8x4 (d, s); - UN8x4_ADD_UN8x4 (d, ss); - - *(dest + i) = d; - } -} - -static void -combine_multiply_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t m = *(mask + i); - uint32_t s = *(src + i); - uint32_t d = *(dest + i); - uint32_t r = d; - uint32_t dest_ia = ALPHA_8 (~d); - - combine_mask_ca (&s, &m); - - UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (r, ~m, s, dest_ia); - UN8x4_MUL_UN8x4 (d, s); - UN8x4_ADD_UN8x4 (r, d); - - *(dest + i) = r; - } -} - -#define CLAMP(v, low, high) \ - do \ - { \ - if (v < (low)) \ - v = (low); \ - if (v > (high)) \ - v = (high); \ - } while (0) - -#define PDF_SEPARABLE_BLEND_MODE(name) \ - static void \ - combine_ ## name ## _u (pixman_implementation_t *imp, \ - pixman_op_t op, \ - uint32_t * dest, \ - const uint32_t * src, \ - const uint32_t * mask, \ - int width) \ - { \ - int i; \ - for (i = 0; i < width; ++i) \ - { \ - uint32_t s = combine_mask (src, mask, i); \ - uint32_t d = *(dest + i); \ - uint8_t sa = ALPHA_8 (s); \ - uint8_t isa = ~sa; \ - uint8_t da = ALPHA_8 (d); \ - uint8_t ida = ~da; \ - uint32_t ra, rr, rg, rb; \ - \ - ra = da * 0xff + sa * 0xff - sa * da; \ - rr = isa * RED_8 (d) + ida * RED_8 (s); \ - rg = isa * GREEN_8 (d) + ida * GREEN_8 (s); \ - rb = isa * BLUE_8 (d) + ida * BLUE_8 (s); \ - \ - rr += blend_ ## name (RED_8 (d), da, RED_8 (s), sa); \ - rg += blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), sa); \ - rb += blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), sa); \ - \ - CLAMP (ra, 0, 255 * 255); \ - CLAMP (rr, 0, 255 * 255); \ - CLAMP (rg, 0, 255 * 255); \ - CLAMP (rb, 0, 255 * 255); \ - \ - ra = DIV_ONE_UN8 (ra); \ - rr = DIV_ONE_UN8 (rr); \ - rg = DIV_ONE_UN8 (rg); \ - rb = DIV_ONE_UN8 (rb); \ - \ - *(dest + i) = ra << 24 | rr << 16 | rg << 8 | rb; \ - } \ - } \ - \ - static void \ - combine_ ## name ## _ca (pixman_implementation_t *imp, \ - pixman_op_t op, \ - uint32_t * dest, \ - const uint32_t * src, \ - const uint32_t * mask, \ - int width) \ - { \ - int i; \ - for (i = 0; i < width; ++i) \ - { \ - uint32_t m = *(mask + i); \ - uint32_t s = *(src + i); \ - uint32_t d = *(dest + i); \ - uint8_t da = ALPHA_8 (d); \ - uint8_t ida = ~da; \ - uint32_t ra, rr, rg, rb; \ - uint8_t ira, iga, iba; \ - \ - combine_mask_ca (&s, &m); \ - \ - ira = ~RED_8 (m); \ - iga = ~GREEN_8 (m); \ - iba = ~BLUE_8 (m); \ - \ - ra = da * 0xff + ALPHA_8 (s) * 0xff - ALPHA_8 (s) * da; \ - rr = ira * RED_8 (d) + ida * RED_8 (s); \ - rg = iga * GREEN_8 (d) + ida * GREEN_8 (s); \ - rb = iba * BLUE_8 (d) + ida * BLUE_8 (s); \ - \ - rr += blend_ ## name (RED_8 (d), da, RED_8 (s), RED_8 (m)); \ - rg += blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), GREEN_8 (m)); \ - rb += blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), BLUE_8 (m)); \ - \ - CLAMP (ra, 0, 255 * 255); \ - CLAMP (rr, 0, 255 * 255); \ - CLAMP (rg, 0, 255 * 255); \ - CLAMP (rb, 0, 255 * 255); \ - \ - ra = DIV_ONE_UN8 (ra); \ - rr = DIV_ONE_UN8 (rr); \ - rg = DIV_ONE_UN8 (rg); \ - rb = DIV_ONE_UN8 (rb); \ - \ - *(dest + i) = ra << 24 | rr << 16 | rg << 8 | rb; \ - } \ - } - -/* - * Screen - * - * ad * as * B(d/ad, s/as) - * = ad * as * (d/ad + s/as - s/as * d/ad) - * = ad * s + as * d - s * d - */ -static inline int32_t -blend_screen (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - return s * ad + d * as - s * d; -} - -PDF_SEPARABLE_BLEND_MODE (screen) - -/* - * Overlay - * - * ad * as * B(d/ad, s/as) - * = ad * as * Hardlight (s, d) - * = if (d / ad < 0.5) - * as * ad * Multiply (s/as, 2 * d/ad) - * else - * as * ad * Screen (s/as, 2 * d / ad - 1) - * = if (d < 0.5 * ad) - * as * ad * s/as * 2 * d /ad - * else - * as * ad * (s/as + 2 * d / ad - 1 - s / as * (2 * d / ad - 1)) - * = if (2 * d < ad) - * 2 * s * d - * else - * ad * s + 2 * as * d - as * ad - ad * s * (2 * d / ad - 1) - * = if (2 * d < ad) - * 2 * s * d - * else - * as * ad - 2 * (ad - d) * (as - s) - */ -static inline int32_t -blend_overlay (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - uint32_t r; - - if (2 * d < ad) - r = 2 * s * d; - else - r = as * ad - 2 * (ad - d) * (as - s); - - return r; -} - -PDF_SEPARABLE_BLEND_MODE (overlay) - -/* - * Darken - * - * ad * as * B(d/ad, s/as) - * = ad * as * MIN(d/ad, s/as) - * = MIN (as * d, ad * s) - */ -static inline int32_t -blend_darken (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - s = ad * s; - d = as * d; - - return s > d ? d : s; -} - -PDF_SEPARABLE_BLEND_MODE (darken) - -/* - * Lighten - * - * ad * as * B(d/ad, s/as) - * = ad * as * MAX(d/ad, s/as) - * = MAX (as * d, ad * s) - */ -static inline int32_t -blend_lighten (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - s = ad * s; - d = as * d; - - return s > d ? s : d; -} - -PDF_SEPARABLE_BLEND_MODE (lighten) - -/* - * Hard light - * - * ad * as * B(d/ad, s/as) - * = if (s/as <= 0.5) - * ad * as * Multiply (d/ad, 2 * s/as) - * else - * ad * as * Screen (d/ad, 2 * s/as - 1) - * = if 2 * s <= as - * ad * as * d/ad * 2 * s / as - * else - * ad * as * (d/ad + (2 * s/as - 1) + d/ad * (2 * s/as - 1)) - * = if 2 * s <= as - * 2 * s * d - * else - * as * ad - 2 * (ad - d) * (as - s) - */ -static inline int32_t -blend_hard_light (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - if (2 * s < as) - return 2 * s * d; - else - return as * ad - 2 * (ad - d) * (as - s); -} - -PDF_SEPARABLE_BLEND_MODE (hard_light) - -/* - * Difference - * - * ad * as * B(s/as, d/ad) - * = ad * as * abs (s/as - d/ad) - * = if (s/as <= d/ad) - * ad * as * (d/ad - s/as) - * else - * ad * as * (s/as - d/ad) - * = if (ad * s <= as * d) - * as * d - ad * s - * else - * ad * s - as * d - */ -static inline int32_t -blend_difference (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - int32_t das = d * as; - int32_t sad = s * ad; - - if (sad < das) - return das - sad; - else - return sad - das; -} - -PDF_SEPARABLE_BLEND_MODE (difference) - -/* - * Exclusion - * - * ad * as * B(s/as, d/ad) - * = ad * as * (d/ad + s/as - 2 * d/ad * s/as) - * = as * d + ad * s - 2 * s * d - */ - -/* This can be made faster by writing it directly and not using - * PDF_SEPARABLE_BLEND_MODE, but that's a performance optimization */ - -static inline int32_t -blend_exclusion (int32_t d, int32_t ad, int32_t s, int32_t as) -{ - return s * ad + d * as - 2 * d * s; -} - -PDF_SEPARABLE_BLEND_MODE (exclusion) - -#undef PDF_SEPARABLE_BLEND_MODE - -/* Component alpha combiners */ - -static void -combine_clear_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - memset (dest, 0, width * sizeof(uint32_t)); -} - -static void -combine_src_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - - combine_mask_value_ca (&s, &m); - - *(dest + i) = s; - } -} - -static void -combine_over_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t a; - - combine_mask_ca (&s, &m); - - a = ~m; - if (a) - { - uint32_t d = *(dest + i); - UN8x4_MUL_UN8x4_ADD_UN8x4 (d, a, s); - s = d; - } - - *(dest + i) = s; - } -} - -static void -combine_over_reverse_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint32_t a = ~d >> A_SHIFT; - - if (a) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - - UN8x4_MUL_UN8x4 (s, m); - UN8x4_MUL_UN8_ADD_UN8x4 (s, a, d); - - *(dest + i) = s; - } - } -} - -static void -combine_in_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint16_t a = d >> A_SHIFT; - uint32_t s = 0; - - if (a) - { - uint32_t m = *(mask + i); - - s = *(src + i); - combine_mask_value_ca (&s, &m); - - if (a != MASK) - UN8x4_MUL_UN8 (s, a); - } - - *(dest + i) = s; - } -} - -static void -combine_in_reverse_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t a; - - combine_mask_alpha_ca (&s, &m); - - a = m; - if (a != ~0) - { - uint32_t d = 0; - - if (a) - { - d = *(dest + i); - UN8x4_MUL_UN8x4 (d, a); - } - - *(dest + i) = d; - } - } -} - -static void -combine_out_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint16_t a = ~d >> A_SHIFT; - uint32_t s = 0; - - if (a) - { - uint32_t m = *(mask + i); - - s = *(src + i); - combine_mask_value_ca (&s, &m); - - if (a != MASK) - UN8x4_MUL_UN8 (s, a); - } - - *(dest + i) = s; - } -} - -static void -combine_out_reverse_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t a; - - combine_mask_alpha_ca (&s, &m); - - a = ~m; - if (a != ~0) - { - uint32_t d = 0; - - if (a) - { - d = *(dest + i); - UN8x4_MUL_UN8x4 (d, a); - } - - *(dest + i) = d; - } - } -} - -static void -combine_atop_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t ad; - uint16_t as = d >> A_SHIFT; - - combine_mask_ca (&s, &m); - - ad = ~m; - - UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ad, s, as); - - *(dest + i) = d; - } -} - -static void -combine_atop_reverse_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t ad; - uint16_t as = ~d >> A_SHIFT; - - combine_mask_ca (&s, &m); - - ad = m; - - UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ad, s, as); - - *(dest + i) = d; - } -} - -static void -combine_xor_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t d = *(dest + i); - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t ad; - uint16_t as = ~d >> A_SHIFT; - - combine_mask_ca (&s, &m); - - ad = ~m; - - UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ad, s, as); - - *(dest + i) = d; - } -} - -static void -combine_add_ca (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t s = *(src + i); - uint32_t m = *(mask + i); - uint32_t d = *(dest + i); - - combine_mask_value_ca (&s, &m); - - UN8x4_ADD_UN8x4 (d, s); - - *(dest + i) = d; - } -} - -void -_pixman_setup_combiner_functions_32 (pixman_implementation_t *imp) -{ - /* Unified alpha */ - imp->combine_32[PIXMAN_OP_CLEAR] = combine_clear; - imp->combine_32[PIXMAN_OP_SRC] = combine_src_u; - imp->combine_32[PIXMAN_OP_DST] = combine_dst; - imp->combine_32[PIXMAN_OP_OVER] = combine_over_u; - imp->combine_32[PIXMAN_OP_OVER_REVERSE] = combine_over_reverse_u; - imp->combine_32[PIXMAN_OP_IN] = combine_in_u; - imp->combine_32[PIXMAN_OP_IN_REVERSE] = combine_in_reverse_u; - imp->combine_32[PIXMAN_OP_OUT] = combine_out_u; - imp->combine_32[PIXMAN_OP_OUT_REVERSE] = combine_out_reverse_u; - imp->combine_32[PIXMAN_OP_ATOP] = combine_atop_u; - imp->combine_32[PIXMAN_OP_ATOP_REVERSE] = combine_atop_reverse_u; - imp->combine_32[PIXMAN_OP_XOR] = combine_xor_u; - imp->combine_32[PIXMAN_OP_ADD] = combine_add_u; - - imp->combine_32[PIXMAN_OP_MULTIPLY] = combine_multiply_u; - imp->combine_32[PIXMAN_OP_SCREEN] = combine_screen_u; - imp->combine_32[PIXMAN_OP_OVERLAY] = combine_overlay_u; - imp->combine_32[PIXMAN_OP_DARKEN] = combine_darken_u; - imp->combine_32[PIXMAN_OP_LIGHTEN] = combine_lighten_u; - imp->combine_32[PIXMAN_OP_HARD_LIGHT] = combine_hard_light_u; - imp->combine_32[PIXMAN_OP_DIFFERENCE] = combine_difference_u; - imp->combine_32[PIXMAN_OP_EXCLUSION] = combine_exclusion_u; - - /* Component alpha combiners */ - imp->combine_32_ca[PIXMAN_OP_CLEAR] = combine_clear_ca; - imp->combine_32_ca[PIXMAN_OP_SRC] = combine_src_ca; - /* dest */ - imp->combine_32_ca[PIXMAN_OP_OVER] = combine_over_ca; - imp->combine_32_ca[PIXMAN_OP_OVER_REVERSE] = combine_over_reverse_ca; - imp->combine_32_ca[PIXMAN_OP_IN] = combine_in_ca; - imp->combine_32_ca[PIXMAN_OP_IN_REVERSE] = combine_in_reverse_ca; - imp->combine_32_ca[PIXMAN_OP_OUT] = combine_out_ca; - imp->combine_32_ca[PIXMAN_OP_OUT_REVERSE] = combine_out_reverse_ca; - imp->combine_32_ca[PIXMAN_OP_ATOP] = combine_atop_ca; - imp->combine_32_ca[PIXMAN_OP_ATOP_REVERSE] = combine_atop_reverse_ca; - imp->combine_32_ca[PIXMAN_OP_XOR] = combine_xor_ca; - imp->combine_32_ca[PIXMAN_OP_ADD] = combine_add_ca; - - imp->combine_32_ca[PIXMAN_OP_MULTIPLY] = combine_multiply_ca; - imp->combine_32_ca[PIXMAN_OP_SCREEN] = combine_screen_ca; - imp->combine_32_ca[PIXMAN_OP_OVERLAY] = combine_overlay_ca; - imp->combine_32_ca[PIXMAN_OP_DARKEN] = combine_darken_ca; - imp->combine_32_ca[PIXMAN_OP_LIGHTEN] = combine_lighten_ca; - imp->combine_32_ca[PIXMAN_OP_HARD_LIGHT] = combine_hard_light_ca; - imp->combine_32_ca[PIXMAN_OP_DIFFERENCE] = combine_difference_ca; - imp->combine_32_ca[PIXMAN_OP_EXCLUSION] = combine_exclusion_ca; -} |