| /* |
| * 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; |
| } |
| } |
| |
| static void |
| combine_saturate_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); |
| uint16_t sa, da; |
| |
| sa = s >> A_SHIFT; |
| da = ~d >> A_SHIFT; |
| if (sa > da) |
| { |
| sa = DIV_UN8 (da, sa); |
| UN8x4_MUL_UN8 (s, sa); |
| } |
| ; |
| 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 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 result; \ |
| \ |
| result = d; \ |
| UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (result, isa, s, ida); \ |
| \ |
| *(dest + i) = result + \ |
| (DIV_ONE_UN8 (sa * (uint32_t)da) << A_SHIFT) + \ |
| (blend_ ## name (RED_8 (d), da, RED_8 (s), sa) << R_SHIFT) + \ |
| (blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), sa) << G_SHIFT) + \ |
| (blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), sa)); \ |
| } \ |
| } \ |
| \ |
| 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 result; \ |
| \ |
| combine_mask_ca (&s, &m); \ |
| \ |
| result = d; \ |
| UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (result, ~m, s, ida); \ |
| \ |
| result += \ |
| (DIV_ONE_UN8 (ALPHA_8 (m) * (uint32_t)da) << A_SHIFT) + \ |
| (blend_ ## name (RED_8 (d), da, RED_8 (s), RED_8 (m)) << R_SHIFT) + \ |
| (blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), GREEN_8 (m)) << G_SHIFT) + \ |
| (blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), BLUE_8 (m))); \ |
| \ |
| *(dest + i) = result; \ |
| } \ |
| } |
| |
| /* |
| * 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 uint32_t |
| blend_screen (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| return DIV_ONE_UN8 (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 uint32_t |
| blend_overlay (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| uint32_t r; |
| |
| if (2 * d < ad) |
| r = 2 * s * d; |
| else |
| r = as * ad - 2 * (ad - d) * (as - s); |
| |
| return DIV_ONE_UN8 (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 uint32_t |
| blend_darken (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| s = ad * s; |
| d = as * d; |
| |
| return DIV_ONE_UN8 (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 uint32_t |
| blend_lighten (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| s = ad * s; |
| d = as * d; |
| |
| return DIV_ONE_UN8 (s > d ? s : d); |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (lighten) |
| |
| /* |
| * Color dodge |
| * |
| * ad * as * B(d/ad, s/as) |
| * = if d/ad = 0 |
| * ad * as * 0 |
| * else if (d/ad >= (1 - s/as) |
| * ad * as * 1 |
| * else |
| * ad * as * ((d/ad) / (1 - s/as)) |
| * = if d = 0 |
| * 0 |
| * elif as * d >= ad * (as - s) |
| * ad * as |
| * else |
| * as * (as * d / (as - s)) |
| * |
| */ |
| static inline uint32_t |
| blend_color_dodge (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| if (d == 0) |
| return 0; |
| else if (as * d >= ad * (as - s)) |
| return DIV_ONE_UN8 (as * ad); |
| else if (as - s == 0) |
| return DIV_ONE_UN8 (as * ad); |
| else |
| return DIV_ONE_UN8 (as * ((d * as) / ((as - s)))); |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (color_dodge) |
| |
| /* |
| * Color burn |
| * |
| * We modify the first clause "if d = 1" to "if d >= 1" since with |
| * premultiplied colors d > 1 can actually happen. |
| * |
| * ad * as * B(d/ad, s/as) |
| * = if d/ad >= 1 |
| * ad * as * 1 |
| * elif (1 - d/ad) >= s/as |
| * ad * as * 0 |
| * else |
| * ad * as * (1 - ((1 - d/ad) / (s/as))) |
| * = if d >= ad |
| * ad * as |
| * elif as * ad - as * d >= ad * s |
| * 0 |
| * else |
| * ad * as - as * as * (ad - d) / s |
| */ |
| static inline uint32_t |
| blend_color_burn (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| if (d >= ad) |
| return DIV_ONE_UN8 (ad * as); |
| else if (as * ad - as * d >= ad * s) |
| return 0; |
| else if (s == 0) |
| return 0; |
| else |
| return DIV_ONE_UN8 (ad * as - (as * as * (ad - d)) / s); |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (color_burn) |
| |
| /* |
| * 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 uint32_t |
| blend_hard_light (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| if (2 * s < as) |
| return DIV_ONE_UN8 (2 * s * d); |
| else |
| return DIV_ONE_UN8 (as * ad - 2 * (ad - d) * (as - s)); |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (hard_light) |
| |
| /* |
| * Soft light |
| * |
| * ad * as * B(d/ad, s/as) |
| * = if (s/as <= 0.5) |
| * ad * as * (d/ad - (1 - 2 * s/as) * d/ad * (1 - d/ad)) |
| * else if (d/ad <= 0.25) |
| * ad * as * (d/ad + (2 * s/as - 1) * ((((16 * d/ad - 12) * d/ad + 4) * d/ad) - d/ad)) |
| * else |
| * ad * as * (d/ad + (2 * s/as - 1) * sqrt (d/ad)) |
| * = if (2 * s <= as) |
| * d * as - d * (ad - d) * (as - 2 * s) / ad; |
| * else if (4 * d <= ad) |
| * (2 * s - as) * d * ((16 * d / ad - 12) * d / ad + 3); |
| * else |
| * d * as + (sqrt (d * ad) - d) * (2 * s - as); |
| */ |
| static inline uint32_t |
| blend_soft_light (uint32_t d_org, |
| uint32_t ad_org, |
| uint32_t s_org, |
| uint32_t as_org) |
| { |
| double d = d_org * (1.0 / MASK); |
| double ad = ad_org * (1.0 / MASK); |
| double s = s_org * (1.0 / MASK); |
| double as = as_org * (1.0 / MASK); |
| double r; |
| |
| if (2 * s < as) |
| { |
| if (ad == 0) |
| r = d * as; |
| else |
| r = d * as - d * (ad - d) * (as - 2 * s) / ad; |
| } |
| else if (ad == 0) |
| { |
| r = 0; |
| } |
| else if (4 * d <= ad) |
| { |
| r = d * as + |
| (2 * s - as) * d * ((16 * d / ad - 12) * d / ad + 3); |
| } |
| else |
| { |
| r = d * as + (sqrt (d * ad) - d) * (2 * s - as); |
| } |
| return r * MASK + 0.5; |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (soft_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 uint32_t |
| blend_difference (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| uint32_t das = d * as; |
| uint32_t sad = s * ad; |
| |
| if (sad < das) |
| return DIV_ONE_UN8 (das - sad); |
| else |
| return DIV_ONE_UN8 (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 uint32_t |
| blend_exclusion (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) |
| { |
| return DIV_ONE_UN8 (s * ad + d * as - 2 * d * s); |
| } |
| |
| PDF_SEPARABLE_BLEND_MODE (exclusion) |
| |
| #undef PDF_SEPARABLE_BLEND_MODE |
| |
| /* |
| * PDF nonseperable blend modes are implemented using the following functions |
| * to operate in Hsl space, with Cmax, Cmid, Cmin referring to the max, mid |
| * and min value of the red, green and blue components. |
| * |
| * LUM (C) = 0.3 × Cred + 0.59 × Cgreen + 0.11 × Cblue |
| * |
| * clip_color (C): |
| * l = LUM (C) |
| * min = Cmin |
| * max = Cmax |
| * if n < 0.0 |
| * C = l + (((C – l) × l) ⁄ (l – min)) |
| * if x > 1.0 |
| * C = l + (((C – l) × (1 – l) ) ⁄ (max – l)) |
| * return C |
| * |
| * set_lum (C, l): |
| * d = l – LUM (C) |
| * C += d |
| * return clip_color (C) |
| * |
| * SAT (C) = CH_MAX (C) - CH_MIN (C) |
| * |
| * set_sat (C, s): |
| * if Cmax > Cmin |
| * Cmid = ( ( ( Cmid – Cmin ) × s ) ⁄ ( Cmax – Cmin ) ) |
| * Cmax = s |
| * else |
| * Cmid = Cmax = 0.0 |
| * Cmin = 0.0 |
| * return C |
| */ |
| |
| /* For premultiplied colors, we need to know what happens when C is |
| * multiplied by a real number. LUM and SAT are linear: |
| * |
| * LUM (r × C) = r × LUM (C) SAT (r * C) = r * SAT (C) |
| * |
| * If we extend clip_color with an extra argument a and change |
| * |
| * if x >= 1.0 |
| * |
| * into |
| * |
| * if x >= a |
| * |
| * then clip_color is also linear: |
| * |
| * r * clip_color (C, a) = clip_color (r * C, r * a); |
| * |
| * for positive r. |
| * |
| * Similarly, we can extend set_lum with an extra argument that is just passed |
| * on to clip_color: |
| * |
| * r * set_lum (C, l, a) |
| * |
| * = r × clip_color (C + l - LUM (C), a) |
| * |
| * = clip_color (r * C + r × l - r * LUM (C), r * a) |
| * |
| * = set_lum (r * C, r * l, r * a) |
| * |
| * Finally, set_sat: |
| * |
| * r * set_sat (C, s) = set_sat (x * C, r * s) |
| * |
| * The above holds for all non-zero x, because the x'es in the fraction for |
| * C_mid cancel out. Specifically, it holds for x = r: |
| * |
| * r * set_sat (C, s) = set_sat (r * C, r * s) |
| * |
| */ |
| |
| #define CH_MIN(c) (c[0] < c[1] ? (c[0] < c[2] ? c[0] : c[2]) : (c[1] < c[2] ? c[1] : c[2])) |
| #define CH_MAX(c) (c[0] > c[1] ? (c[0] > c[2] ? c[0] : c[2]) : (c[1] > c[2] ? c[1] : c[2])) |
| #define LUM(c) ((c[0] * 30 + c[1] * 59 + c[2] * 11) / 100) |
| #define SAT(c) (CH_MAX (c) - CH_MIN (c)) |
| |
| #define PDF_NON_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 result; \ |
| uint32_t sc[3], dc[3], c[3]; \ |
| \ |
| result = d; \ |
| UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (result, isa, s, ida); \ |
| dc[0] = RED_8 (d); \ |
| sc[0] = RED_8 (s); \ |
| dc[1] = GREEN_8 (d); \ |
| sc[1] = GREEN_8 (s); \ |
| dc[2] = BLUE_8 (d); \ |
| sc[2] = BLUE_8 (s); \ |
| blend_ ## name (c, dc, da, sc, sa); \ |
| \ |
| *(dest + i) = result + \ |
| (DIV_ONE_UN8 (sa * (uint32_t)da) << A_SHIFT) + \ |
| (DIV_ONE_UN8 (c[0]) << R_SHIFT) + \ |
| (DIV_ONE_UN8 (c[1]) << G_SHIFT) + \ |
| (DIV_ONE_UN8 (c[2])); \ |
| } \ |
| } |
| |
| static void |
| set_lum (uint32_t dest[3], uint32_t src[3], uint32_t sa, uint32_t lum) |
| { |
| double a, l, min, max; |
| double tmp[3]; |
| |
| a = sa * (1.0 / MASK); |
| |
| l = lum * (1.0 / MASK); |
| tmp[0] = src[0] * (1.0 / MASK); |
| tmp[1] = src[1] * (1.0 / MASK); |
| tmp[2] = src[2] * (1.0 / MASK); |
| |
| l = l - LUM (tmp); |
| tmp[0] += l; |
| tmp[1] += l; |
| tmp[2] += l; |
| |
| /* clip_color */ |
| l = LUM (tmp); |
| min = CH_MIN (tmp); |
| max = CH_MAX (tmp); |
| |
| if (min < 0) |
| { |
| if (l - min == 0.0) |
| { |
| tmp[0] = 0; |
| tmp[1] = 0; |
| tmp[2] = 0; |
| } |
| else |
| { |
| tmp[0] = l + (tmp[0] - l) * l / (l - min); |
| tmp[1] = l + (tmp[1] - l) * l / (l - min); |
| tmp[2] = l + (tmp[2] - l) * l / (l - min); |
| } |
| } |
| if (max > a) |
| { |
| if (max - l == 0.0) |
| { |
| tmp[0] = a; |
| tmp[1] = a; |
| tmp[2] = a; |
| } |
| else |
| { |
| tmp[0] = l + (tmp[0] - l) * (a - l) / (max - l); |
| tmp[1] = l + (tmp[1] - l) * (a - l) / (max - l); |
| tmp[2] = l + (tmp[2] - l) * (a - l) / (max - l); |
| } |
| } |
| |
| dest[0] = tmp[0] * MASK + 0.5; |
| dest[1] = tmp[1] * MASK + 0.5; |
| dest[2] = tmp[2] * MASK + 0.5; |
| } |
| |
| static void |
| set_sat (uint32_t dest[3], uint32_t src[3], uint32_t sat) |
| { |
| int id[3]; |
| uint32_t min, max; |
| |
| if (src[0] > src[1]) |
| { |
| if (src[0] > src[2]) |
| { |
| id[0] = 0; |
| if (src[1] > src[2]) |
| { |
| id[1] = 1; |
| id[2] = 2; |
| } |
| else |
| { |
| id[1] = 2; |
| id[2] = 1; |
| } |
| } |
| else |
| { |
| id[0] = 2; |
| id[1] = 0; |
| id[2] = 1; |
| } |
| } |
| else |
| { |
| if (src[0] > src[2]) |
| { |
| id[0] = 1; |
| id[1] = 0; |
| id[2] = 2; |
| } |
| else |
| { |
| id[2] = 0; |
| if (src[1] > src[2]) |
| { |
| id[0] = 1; |
| id[1] = 2; |
| } |
| else |
| { |
| id[0] = 2; |
| id[1] = 1; |
| } |
| } |
| } |
| |
| max = dest[id[0]]; |
| min = dest[id[2]]; |
| if (max > min) |
| { |
| dest[id[1]] = (dest[id[1]] - min) * sat / (max - min); |
| dest[id[0]] = sat; |
| dest[id[2]] = 0; |
| } |
| else |
| { |
| dest[0] = dest[1] = dest[2] = 0; |
| } |
| } |
| |
| /* Hue: |
| * |
| * as * ad * B(s/as, d/as) |
| * = as * ad * set_lum (set_sat (s/as, SAT (d/ad)), LUM (d/ad), 1) |
| * = set_lum (set_sat (ad * s, as * SAT (d)), as * LUM (d), as * ad) |
| * |
| */ |
| static inline void |
| blend_hsl_hue (uint32_t r[3], |
| uint32_t d[3], |
| uint32_t ad, |
| uint32_t s[3], |
| uint32_t as) |
| { |
| r[0] = s[0] * ad; |
| r[1] = s[1] * ad; |
| r[2] = s[2] * ad; |
| set_sat (r, r, SAT (d) * as); |
| set_lum (r, r, as * ad, LUM (d) * as); |
| } |
| |
| PDF_NON_SEPARABLE_BLEND_MODE (hsl_hue) |
| |
| /* |
| * Saturation |
| * |
| * as * ad * B(s/as, d/ad) |
| * = as * ad * set_lum (set_sat (d/ad, SAT (s/as)), LUM (d/ad), 1) |
| * = set_lum (as * ad * set_sat (d/ad, SAT (s/as)), |
| * as * LUM (d), as * ad) |
| * = set_lum (set_sat (as * d, ad * SAT (s), as * LUM (d), as * ad)) |
| */ |
| static inline void |
| blend_hsl_saturation (uint32_t r[3], |
| uint32_t d[3], |
| uint32_t ad, |
| uint32_t s[3], |
| uint32_t as) |
| { |
| r[0] = d[0] * as; |
| r[1] = d[1] * as; |
| r[2] = d[2] * as; |
| set_sat (r, r, SAT (s) * ad); |
| set_lum (r, r, as * ad, LUM (d) * as); |
| } |
| |
| PDF_NON_SEPARABLE_BLEND_MODE (hsl_saturation) |
| |
| /* |
| * Color |
| * |
| * as * ad * B(s/as, d/as) |
| * = as * ad * set_lum (s/as, LUM (d/ad), 1) |
| * = set_lum (s * ad, as * LUM (d), as * ad) |
| */ |
| static inline void |
| blend_hsl_color (uint32_t r[3], |
| uint32_t d[3], |
| uint32_t ad, |
| uint32_t s[3], |
| uint32_t as) |
| { |
| r[0] = s[0] * ad; |
| r[1] = s[1] * ad; |
| r[2] = s[2] * ad; |
| set_lum (r, r, as * ad, LUM (d) * as); |
| } |
| |
| PDF_NON_SEPARABLE_BLEND_MODE (hsl_color) |
| |
| /* |
| * Luminosity |
| * |
| * as * ad * B(s/as, d/ad) |
| * = as * ad * set_lum (d/ad, LUM (s/as), 1) |
| * = set_lum (as * d, ad * LUM (s), as * ad) |
| */ |
| static inline void |
| blend_hsl_luminosity (uint32_t r[3], |
| uint32_t d[3], |
| uint32_t ad, |
| uint32_t s[3], |
| uint32_t as) |
| { |
| r[0] = d[0] * as; |
| r[1] = d[1] * as; |
| r[2] = d[2] * as; |
| set_lum (r, r, as * ad, LUM (s) * ad); |
| } |
| |
| PDF_NON_SEPARABLE_BLEND_MODE (hsl_luminosity) |
| |
| #undef SAT |
| #undef LUM |
| #undef CH_MAX |
| #undef CH_MIN |
| #undef PDF_NON_SEPARABLE_BLEND_MODE |
| |
| /* All of the disjoint/conjoint composing functions |
| * |
| * The four entries in the first column indicate what source contributions |
| * come from each of the four areas of the picture -- areas covered by neither |
| * A nor B, areas covered only by A, areas covered only by B and finally |
| * areas covered by both A and B. |
| * |
| * Disjoint Conjoint |
| * Fa Fb Fa Fb |
| * (0,0,0,0) 0 0 0 0 |
| * (0,A,0,A) 1 0 1 0 |
| * (0,0,B,B) 0 1 0 1 |
| * (0,A,B,A) 1 min((1-a)/b,1) 1 max(1-a/b,0) |
| * (0,A,B,B) min((1-b)/a,1) 1 max(1-b/a,0) 1 |
| * (0,0,0,A) max(1-(1-b)/a,0) 0 min(1,b/a) 0 |
| * (0,0,0,B) 0 max(1-(1-a)/b,0) 0 min(a/b,1) |
| * (0,A,0,0) min(1,(1-b)/a) 0 max(1-b/a,0) 0 |
| * (0,0,B,0) 0 min(1,(1-a)/b) 0 max(1-a/b,0) |
| * (0,0,B,A) max(1-(1-b)/a,0) min(1,(1-a)/b) min(1,b/a) max(1-a/b,0) |
| * (0,A,0,B) min(1,(1-b)/a) max(1-(1-a)/b,0) max(1-b/a,0) min(1,a/b) |
| * (0,A,B,0) min(1,(1-b)/a) min(1,(1-a)/b) max(1-b/a,0) max(1-a/b,0) |
| * |
| * See http://marc.info/?l=xfree-render&m=99792000027857&w=2 for more |
| * information about these operators. |
| */ |
| |
| #define COMBINE_A_OUT 1 |
| #define COMBINE_A_IN 2 |
| #define COMBINE_B_OUT 4 |
| #define COMBINE_B_IN 8 |
| |
| #define COMBINE_CLEAR 0 |
| #define COMBINE_A (COMBINE_A_OUT | COMBINE_A_IN) |
| #define COMBINE_B (COMBINE_B_OUT | COMBINE_B_IN) |
| #define COMBINE_A_OVER (COMBINE_A_OUT | COMBINE_B_OUT | COMBINE_A_IN) |
| #define COMBINE_B_OVER (COMBINE_A_OUT | COMBINE_B_OUT | COMBINE_B_IN) |
| #define COMBINE_A_ATOP (COMBINE_B_OUT | COMBINE_A_IN) |
| #define COMBINE_B_ATOP (COMBINE_A_OUT | COMBINE_B_IN) |
| #define COMBINE_XOR (COMBINE_A_OUT | COMBINE_B_OUT) |
| |
| /* portion covered by a but not b */ |
| static uint8_t |
| combine_disjoint_out_part (uint8_t a, uint8_t b) |
| { |
| /* min (1, (1-b) / a) */ |
| |
| b = ~b; /* 1 - b */ |
| if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */ |
| return MASK; /* 1 */ |
| return DIV_UN8 (b, a); /* (1-b) / a */ |
| } |
| |
| /* portion covered by both a and b */ |
| static uint8_t |
| combine_disjoint_in_part (uint8_t a, uint8_t b) |
| { |
| /* max (1-(1-b)/a,0) */ |
| /* = - min ((1-b)/a - 1, 0) */ |
| /* = 1 - min (1, (1-b)/a) */ |
| |
| b = ~b; /* 1 - b */ |
| if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */ |
| return 0; /* 1 - 1 */ |
| return ~DIV_UN8(b, a); /* 1 - (1-b) / a */ |
| } |
| |
| /* portion covered by a but not b */ |
| static uint8_t |
| combine_conjoint_out_part (uint8_t a, uint8_t b) |
| { |
| /* max (1-b/a,0) */ |
| /* = 1-min(b/a,1) */ |
| |
| /* min (1, (1-b) / a) */ |
| |
| if (b >= a) /* b >= a -> b/a >= 1 */ |
| return 0x00; /* 0 */ |
| return ~DIV_UN8(b, a); /* 1 - b/a */ |
| } |
| |
| /* portion covered by both a and b */ |
| static uint8_t |
| combine_conjoint_in_part (uint8_t a, uint8_t b) |
| { |
| /* min (1,b/a) */ |
| |
| if (b >= a) /* b >= a -> b/a >= 1 */ |
| return MASK; /* 1 */ |
| return DIV_UN8 (b, a); /* b/a */ |
| } |
| |
| #define GET_COMP(v, i) ((uint16_t) (uint8_t) ((v) >> i)) |
| |
| #define ADD(x, y, i, t) \ |
| ((t) = GET_COMP (x, i) + GET_COMP (y, i), \ |
| (uint32_t) ((uint8_t) ((t) | (0 - ((t) >> G_SHIFT)))) << (i)) |
| |
| #define GENERIC(x, y, i, ax, ay, t, u, v) \ |
| ((t) = (MUL_UN8 (GET_COMP (y, i), ay, (u)) + \ |
| MUL_UN8 (GET_COMP (x, i), ax, (v))), \ |
| (uint32_t) ((uint8_t) ((t) | \ |
| (0 - ((t) >> G_SHIFT)))) << (i)) |
| |
| static void |
| combine_disjoint_general_u (uint32_t * dest, |
| const uint32_t *src, |
| const uint32_t *mask, |
| int width, |
| uint8_t combine) |
| { |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s = combine_mask (src, mask, i); |
| uint32_t d = *(dest + i); |
| uint32_t m, n, o, p; |
| uint16_t Fa, Fb, t, u, v; |
| uint8_t sa = s >> A_SHIFT; |
| uint8_t da = d >> A_SHIFT; |
| |
| switch (combine & COMBINE_A) |
| { |
| default: |
| Fa = 0; |
| break; |
| |
| case COMBINE_A_OUT: |
| Fa = combine_disjoint_out_part (sa, da); |
| break; |
| |
| case COMBINE_A_IN: |
| Fa = combine_disjoint_in_part (sa, da); |
| break; |
| |
| case COMBINE_A: |
| Fa = MASK; |
| break; |
| } |
| |
| switch (combine & COMBINE_B) |
| { |
| default: |
| Fb = 0; |
| break; |
| |
| case COMBINE_B_OUT: |
| Fb = combine_disjoint_out_part (da, sa); |
| break; |
| |
| case COMBINE_B_IN: |
| Fb = combine_disjoint_in_part (da, sa); |
| break; |
| |
| case COMBINE_B: |
| Fb = MASK; |
| break; |
| } |
| m = GENERIC (s, d, 0, Fa, Fb, t, u, v); |
| n = GENERIC (s, d, G_SHIFT, Fa, Fb, t, u, v); |
| o = GENERIC (s, d, R_SHIFT, Fa, Fb, t, u, v); |
| p = GENERIC (s, d, A_SHIFT, Fa, Fb, t, u, v); |
| s = m | n | o | p; |
| *(dest + i) = s; |
| } |
| } |
| |
| static void |
| combine_disjoint_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; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s = combine_mask (src, mask, i); |
| uint16_t a = s >> A_SHIFT; |
| |
| if (s != 0x00) |
| { |
| uint32_t d = *(dest + i); |
| a = combine_disjoint_out_part (d >> A_SHIFT, a); |
| UN8x4_MUL_UN8_ADD_UN8x4 (d, a, s); |
| |
| *(dest + i) = d; |
| } |
| } |
| } |
| |
| static void |
| combine_disjoint_in_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_A_IN); |
| } |
| |
| static void |
| combine_disjoint_in_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_B_IN); |
| } |
| |
| static void |
| combine_disjoint_out_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_A_OUT); |
| } |
| |
| static void |
| combine_disjoint_out_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_B_OUT); |
| } |
| |
| static void |
| combine_disjoint_atop_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_A_ATOP); |
| } |
| |
| static void |
| combine_disjoint_atop_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_B_ATOP); |
| } |
| |
| static void |
| combine_disjoint_xor_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_u (dest, src, mask, width, COMBINE_XOR); |
| } |
| |
| static void |
| combine_conjoint_general_u (uint32_t * dest, |
| const uint32_t *src, |
| const uint32_t *mask, |
| int width, |
| uint8_t combine) |
| { |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s = combine_mask (src, mask, i); |
| uint32_t d = *(dest + i); |
| uint32_t m, n, o, p; |
| uint16_t Fa, Fb, t, u, v; |
| uint8_t sa = s >> A_SHIFT; |
| uint8_t da = d >> A_SHIFT; |
| |
| switch (combine & COMBINE_A) |
| { |
| default: |
| Fa = 0; |
| break; |
| |
| case COMBINE_A_OUT: |
| Fa = combine_conjoint_out_part (sa, da); |
| break; |
| |
| case COMBINE_A_IN: |
| Fa = combine_conjoint_in_part (sa, da); |
| break; |
| |
| case COMBINE_A: |
| Fa = MASK; |
| break; |
| } |
| |
| switch (combine & COMBINE_B) |
| { |
| default: |
| Fb = 0; |
| break; |
| |
| case COMBINE_B_OUT: |
| Fb = combine_conjoint_out_part (da, sa); |
| break; |
| |
| case COMBINE_B_IN: |
| Fb = combine_conjoint_in_part (da, sa); |
| break; |
| |
| case COMBINE_B: |
| Fb = MASK; |
| break; |
| } |
| |
| m = GENERIC (s, d, 0, Fa, Fb, t, u, v); |
| n = GENERIC (s, d, G_SHIFT, Fa, Fb, t, u, v); |
| o = GENERIC (s, d, R_SHIFT, Fa, Fb, t, u, v); |
| p = GENERIC (s, d, A_SHIFT, Fa, Fb, t, u, v); |
| |
| s = m | n | o | p; |
| |
| *(dest + i) = s; |
| } |
| } |
| |
| static void |
| combine_conjoint_over_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_A_OVER); |
| } |
| |
| static void |
| combine_conjoint_over_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_B_OVER); |
| } |
| |
| static void |
| combine_conjoint_in_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_A_IN); |
| } |
| |
| static void |
| combine_conjoint_in_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_B_IN); |
| } |
| |
| static void |
| combine_conjoint_out_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_A_OUT); |
| } |
| |
| static void |
| combine_conjoint_out_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_B_OUT); |
| } |
| |
| static void |
| combine_conjoint_atop_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_A_ATOP); |
| } |
| |
| static void |
| combine_conjoint_atop_reverse_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_B_ATOP); |
| } |
| |
| static void |
| combine_conjoint_xor_u (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_u (dest, src, mask, width, COMBINE_XOR); |
| } |
| |
| |
| /* 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; |
| } |
| } |
| |
| static void |
| combine_saturate_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, d; |
| uint16_t sa, sr, sg, sb, da; |
| uint16_t t, u, v; |
| uint32_t m, n, o, p; |
| |
| d = *(dest + i); |
| s = *(src + i); |
| m = *(mask + i); |
| |
| combine_mask_ca (&s, &m); |
| |
| sa = (m >> A_SHIFT); |
| sr = (m >> R_SHIFT) & MASK; |
| sg = (m >> G_SHIFT) & MASK; |
| sb = m & MASK; |
| da = ~d >> A_SHIFT; |
| |
| if (sb <= da) |
| m = ADD (s, d, 0, t); |
| else |
| m = GENERIC (s, d, 0, (da << G_SHIFT) / sb, MASK, t, u, v); |
| |
| if (sg <= da) |
| n = ADD (s, d, G_SHIFT, t); |
| else |
| n = GENERIC (s, d, G_SHIFT, (da << G_SHIFT) / sg, MASK, t, u, v); |
| |
| if (sr <= da) |
| o = ADD (s, d, R_SHIFT, t); |
| else |
| o = GENERIC (s, d, R_SHIFT, (da << G_SHIFT) / sr, MASK, t, u, v); |
| |
| if (sa <= da) |
| p = ADD (s, d, A_SHIFT, t); |
| else |
| p = GENERIC (s, d, A_SHIFT, (da << G_SHIFT) / sa, MASK, t, u, v); |
| |
| *(dest + i) = m | n | o | p; |
| } |
| } |
| |
| static void |
| combine_disjoint_general_ca (uint32_t * dest, |
| const uint32_t *src, |
| const uint32_t *mask, |
| int width, |
| uint8_t combine) |
| { |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s, d; |
| uint32_t m, n, o, p; |
| uint32_t Fa, Fb; |
| uint16_t t, u, v; |
| uint32_t sa; |
| uint8_t da; |
| |
| s = *(src + i); |
| m = *(mask + i); |
| d = *(dest + i); |
| da = d >> A_SHIFT; |
| |
| combine_mask_ca (&s, &m); |
| |
| sa = m; |
| |
| switch (combine & COMBINE_A) |
| { |
| default: |
| Fa = 0; |
| break; |
| |
| case COMBINE_A_OUT: |
| m = (uint32_t)combine_disjoint_out_part ((uint8_t) (sa >> 0), da); |
| n = (uint32_t)combine_disjoint_out_part ((uint8_t) (sa >> G_SHIFT), da) << G_SHIFT; |
| o = (uint32_t)combine_disjoint_out_part ((uint8_t) (sa >> R_SHIFT), da) << R_SHIFT; |
| p = (uint32_t)combine_disjoint_out_part ((uint8_t) (sa >> A_SHIFT), da) << A_SHIFT; |
| Fa = m | n | o | p; |
| break; |
| |
| case COMBINE_A_IN: |
| m = (uint32_t)combine_disjoint_in_part ((uint8_t) (sa >> 0), da); |
| n = (uint32_t)combine_disjoint_in_part ((uint8_t) (sa >> G_SHIFT), da) << G_SHIFT; |
| o = (uint32_t)combine_disjoint_in_part ((uint8_t) (sa >> R_SHIFT), da) << R_SHIFT; |
| p = (uint32_t)combine_disjoint_in_part ((uint8_t) (sa >> A_SHIFT), da) << A_SHIFT; |
| Fa = m | n | o | p; |
| break; |
| |
| case COMBINE_A: |
| Fa = ~0; |
| break; |
| } |
| |
| switch (combine & COMBINE_B) |
| { |
| default: |
| Fb = 0; |
| break; |
| |
| case COMBINE_B_OUT: |
| m = (uint32_t)combine_disjoint_out_part (da, (uint8_t) (sa >> 0)); |
| n = (uint32_t)combine_disjoint_out_part (da, (uint8_t) (sa >> G_SHIFT)) << G_SHIFT; |
| o = (uint32_t)combine_disjoint_out_part (da, (uint8_t) (sa >> R_SHIFT)) << R_SHIFT; |
| p = (uint32_t)combine_disjoint_out_part (da, (uint8_t) (sa >> A_SHIFT)) << A_SHIFT; |
| Fb = m | n | o | p; |
| break; |
| |
| case COMBINE_B_IN: |
| m = (uint32_t)combine_disjoint_in_part (da, (uint8_t) (sa >> 0)); |
| n = (uint32_t)combine_disjoint_in_part (da, (uint8_t) (sa >> G_SHIFT)) << G_SHIFT; |
| o = (uint32_t)combine_disjoint_in_part (da, (uint8_t) (sa >> R_SHIFT)) << R_SHIFT; |
| p = (uint32_t)combine_disjoint_in_part (da, (uint8_t) (sa >> A_SHIFT)) << A_SHIFT; |
| Fb = m | n | o | p; |
| break; |
| |
| case COMBINE_B: |
| Fb = ~0; |
| break; |
| } |
| m = GENERIC (s, d, 0, GET_COMP (Fa, 0), GET_COMP (Fb, 0), t, u, v); |
| n = GENERIC (s, d, G_SHIFT, GET_COMP (Fa, G_SHIFT), GET_COMP (Fb, G_SHIFT), t, u, v); |
| o = GENERIC (s, d, R_SHIFT, GET_COMP (Fa, R_SHIFT), GET_COMP (Fb, R_SHIFT), t, u, v); |
| p = GENERIC (s, d, A_SHIFT, GET_COMP (Fa, A_SHIFT), GET_COMP (Fb, A_SHIFT), t, u, v); |
| |
| s = m | n | o | p; |
| |
| *(dest + i) = s; |
| } |
| } |
| |
| static void |
| combine_disjoint_over_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_A_OVER); |
| } |
| |
| static void |
| combine_disjoint_in_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_A_IN); |
| } |
| |
| static void |
| combine_disjoint_in_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_B_IN); |
| } |
| |
| static void |
| combine_disjoint_out_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_A_OUT); |
| } |
| |
| static void |
| combine_disjoint_out_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_B_OUT); |
| } |
| |
| static void |
| combine_disjoint_atop_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_A_ATOP); |
| } |
| |
| static void |
| combine_disjoint_atop_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_B_ATOP); |
| } |
| |
| static void |
| combine_disjoint_xor_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_disjoint_general_ca (dest, src, mask, width, COMBINE_XOR); |
| } |
| |
| static void |
| combine_conjoint_general_ca (uint32_t * dest, |
| const uint32_t *src, |
| const uint32_t *mask, |
| int width, |
| uint8_t combine) |
| { |
| int i; |
| |
| for (i = 0; i < width; ++i) |
| { |
| uint32_t s, d; |
| uint32_t m, n, o, p; |
| uint32_t Fa, Fb; |
| uint16_t t, u, v; |
| uint32_t sa; |
| uint8_t da; |
| |
| s = *(src + i); |
| m = *(mask + i); |
| d = *(dest + i); |
| da = d >> A_SHIFT; |
| |
| combine_mask_ca (&s, &m); |
| |
| sa = m; |
| |
| switch (combine & COMBINE_A) |
| { |
| default: |
| Fa = 0; |
| break; |
| |
| case COMBINE_A_OUT: |
| m = (uint32_t)combine_conjoint_out_part ((uint8_t) (sa >> 0), da); |
| n = (uint32_t)combine_conjoint_out_part ((uint8_t) (sa >> G_SHIFT), da) << G_SHIFT; |
| o = (uint32_t)combine_conjoint_out_part ((uint8_t) (sa >> R_SHIFT), da) << R_SHIFT; |
| p = (uint32_t)combine_conjoint_out_part ((uint8_t) (sa >> A_SHIFT), da) << A_SHIFT; |
| Fa = m | n | o | p; |
| break; |
| |
| case COMBINE_A_IN: |
| m = (uint32_t)combine_conjoint_in_part ((uint8_t) (sa >> 0), da); |
| n = (uint32_t)combine_conjoint_in_part ((uint8_t) (sa >> G_SHIFT), da) << G_SHIFT; |
| o = (uint32_t)combine_conjoint_in_part ((uint8_t) (sa >> R_SHIFT), da) << R_SHIFT; |
| p = (uint32_t)combine_conjoint_in_part ((uint8_t) (sa >> A_SHIFT), da) << A_SHIFT; |
| Fa = m | n | o | p; |
| break; |
| |
| case COMBINE_A: |
| Fa = ~0; |
| break; |
| } |
| |
| switch (combine & COMBINE_B) |
| { |
| default: |
| Fb = 0; |
| break; |
| |
| case COMBINE_B_OUT: |
| m = (uint32_t)combine_conjoint_out_part (da, (uint8_t) (sa >> 0)); |
| n = (uint32_t)combine_conjoint_out_part (da, (uint8_t) (sa >> G_SHIFT)) << G_SHIFT; |
| o = (uint32_t)combine_conjoint_out_part (da, (uint8_t) (sa >> R_SHIFT)) << R_SHIFT; |
| p = (uint32_t)combine_conjoint_out_part (da, (uint8_t) (sa >> A_SHIFT)) << A_SHIFT; |
| Fb = m | n | o | p; |
| break; |
| |
| case COMBINE_B_IN: |
| m = (uint32_t)combine_conjoint_in_part (da, (uint8_t) (sa >> 0)); |
| n = (uint32_t)combine_conjoint_in_part (da, (uint8_t) (sa >> G_SHIFT)) << G_SHIFT; |
| o = (uint32_t)combine_conjoint_in_part (da, (uint8_t) (sa >> R_SHIFT)) << R_SHIFT; |
| p = (uint32_t)combine_conjoint_in_part (da, (uint8_t) (sa >> A_SHIFT)) << A_SHIFT; |
| Fb = m | n | o | p; |
| break; |
| |
| case COMBINE_B: |
| Fb = ~0; |
| break; |
| } |
| m = GENERIC (s, d, 0, GET_COMP (Fa, 0), GET_COMP (Fb, 0), t, u, v); |
| n = GENERIC (s, d, G_SHIFT, GET_COMP (Fa, G_SHIFT), GET_COMP (Fb, G_SHIFT), t, u, v); |
| o = GENERIC (s, d, R_SHIFT, GET_COMP (Fa, R_SHIFT), GET_COMP (Fb, R_SHIFT), t, u, v); |
| p = GENERIC (s, d, A_SHIFT, GET_COMP (Fa, A_SHIFT), GET_COMP (Fb, A_SHIFT), t, u, v); |
| |
| s = m | n | o | p; |
| |
| *(dest + i) = s; |
| } |
| } |
| |
| static void |
| combine_conjoint_over_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_A_OVER); |
| } |
| |
| static void |
| combine_conjoint_over_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_B_OVER); |
| } |
| |
| static void |
| combine_conjoint_in_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_A_IN); |
| } |
| |
| static void |
| combine_conjoint_in_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_B_IN); |
| } |
| |
| static void |
| combine_conjoint_out_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_A_OUT); |
| } |
| |
| static void |
| combine_conjoint_out_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_B_OUT); |
| } |
| |
| static void |
| combine_conjoint_atop_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_A_ATOP); |
| } |
| |
| static void |
| combine_conjoint_atop_reverse_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_B_ATOP); |
| } |
| |
| static void |
| combine_conjoint_xor_ca (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint32_t * dest, |
| const uint32_t * src, |
| const uint32_t * mask, |
| int width) |
| { |
| combine_conjoint_general_ca (dest, src, mask, width, COMBINE_XOR); |
| } |
| |
| 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_SATURATE] = combine_saturate_u; |
| |
| /* Disjoint, unified */ |
| imp->combine_32[PIXMAN_OP_DISJOINT_CLEAR] = combine_clear; |
| imp->combine_32[PIXMAN_OP_DISJOINT_SRC] = combine_src_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_DST] = combine_dst; |
| imp->combine_32[PIXMAN_OP_DISJOINT_OVER] = combine_disjoint_over_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_OVER_REVERSE] = combine_saturate_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_IN] = combine_disjoint_in_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_IN_REVERSE] = combine_disjoint_in_reverse_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_OUT] = combine_disjoint_out_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_OUT_REVERSE] = combine_disjoint_out_reverse_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_ATOP] = combine_disjoint_atop_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_ATOP_REVERSE] = combine_disjoint_atop_reverse_u; |
| imp->combine_32[PIXMAN_OP_DISJOINT_XOR] = combine_disjoint_xor_u; |
| |
| /* Conjoint, unified */ |
| imp->combine_32[PIXMAN_OP_CONJOINT_CLEAR] = combine_clear; |
| imp->combine_32[PIXMAN_OP_CONJOINT_SRC] = combine_src_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_DST] = combine_dst; |
| imp->combine_32[PIXMAN_OP_CONJOINT_OVER] = combine_conjoint_over_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_OVER_REVERSE] = combine_conjoint_over_reverse_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_IN] = combine_conjoint_in_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_IN_REVERSE] = combine_conjoint_in_reverse_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_OUT] = combine_conjoint_out_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_OUT_REVERSE] = combine_conjoint_out_reverse_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_ATOP] = combine_conjoint_atop_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_ATOP_REVERSE] = combine_conjoint_atop_reverse_u; |
| imp->combine_32[PIXMAN_OP_CONJOINT_XOR] = combine_conjoint_xor_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_COLOR_DODGE] = combine_color_dodge_u; |
| imp->combine_32[PIXMAN_OP_COLOR_BURN] = combine_color_burn_u; |
| imp->combine_32[PIXMAN_OP_HARD_LIGHT] = combine_hard_light_u; |
| imp->combine_32[PIXMAN_OP_SOFT_LIGHT] = combine_soft_light_u; |
| imp->combine_32[PIXMAN_OP_DIFFERENCE] = combine_difference_u; |
| imp->combine_32[PIXMAN_OP_EXCLUSION] = combine_exclusion_u; |
| imp->combine_32[PIXMAN_OP_HSL_HUE] = combine_hsl_hue_u; |
| imp->combine_32[PIXMAN_OP_HSL_SATURATION] = combine_hsl_saturation_u; |
| imp->combine_32[PIXMAN_OP_HSL_COLOR] = combine_hsl_color_u; |
| imp->combine_32[PIXMAN_OP_HSL_LUMINOSITY] = combine_hsl_luminosity_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_SATURATE] = combine_saturate_ca; |
| |
| /* Disjoint CA */ |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_CLEAR] = combine_clear_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_SRC] = combine_src_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_DST] = combine_dst; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_OVER] = combine_disjoint_over_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_OVER_REVERSE] = combine_saturate_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_IN] = combine_disjoint_in_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_IN_REVERSE] = combine_disjoint_in_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_OUT] = combine_disjoint_out_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_OUT_REVERSE] = combine_disjoint_out_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_ATOP] = combine_disjoint_atop_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_ATOP_REVERSE] = combine_disjoint_atop_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_DISJOINT_XOR] = combine_disjoint_xor_ca; |
| |
| /* Conjoint CA */ |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_CLEAR] = combine_clear_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_SRC] = combine_src_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_DST] = combine_dst; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_OVER] = combine_conjoint_over_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_OVER_REVERSE] = combine_conjoint_over_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_IN] = combine_conjoint_in_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_IN_REVERSE] = combine_conjoint_in_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_OUT] = combine_conjoint_out_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_OUT_REVERSE] = combine_conjoint_out_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_ATOP] = combine_conjoint_atop_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_ATOP_REVERSE] = combine_conjoint_atop_reverse_ca; |
| imp->combine_32_ca[PIXMAN_OP_CONJOINT_XOR] = combine_conjoint_xor_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_COLOR_DODGE] = combine_color_dodge_ca; |
| imp->combine_32_ca[PIXMAN_OP_COLOR_BURN] = combine_color_burn_ca; |
| imp->combine_32_ca[PIXMAN_OP_HARD_LIGHT] = combine_hard_light_ca; |
| imp->combine_32_ca[PIXMAN_OP_SOFT_LIGHT] = combine_soft_light_ca; |
| imp->combine_32_ca[PIXMAN_OP_DIFFERENCE] = combine_difference_ca; |
| imp->combine_32_ca[PIXMAN_OP_EXCLUSION] = combine_exclusion_ca; |
| |
| /* It is not clear that these make sense, so make them noops for now */ |
| imp->combine_32_ca[PIXMAN_OP_HSL_HUE] = combine_dst; |
| imp->combine_32_ca[PIXMAN_OP_HSL_SATURATION] = combine_dst; |
| imp->combine_32_ca[PIXMAN_OP_HSL_COLOR] = combine_dst; |
| imp->combine_32_ca[PIXMAN_OP_HSL_LUMINOSITY] = combine_dst; |
| } |
