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Diffstat (limited to 'Build/source/libs/pixman/pixman-0.28.0/pixman/pixman-combine32.c')
-rw-r--r-- | Build/source/libs/pixman/pixman-0.28.0/pixman/pixman-combine32.c | 2460 |
1 files changed, 2460 insertions, 0 deletions
diff --git a/Build/source/libs/pixman/pixman-0.28.0/pixman/pixman-combine32.c b/Build/source/libs/pixman/pixman-0.28.0/pixman/pixman-combine32.c new file mode 100644 index 00000000000..54cc8771b85 --- /dev/null +++ b/Build/source/libs/pixman/pixman-0.28.0/pixman/pixman-combine32.c @@ -0,0 +1,2460 @@ +/* + * 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; + + for (i = 0; i < width; ++i) + { + uint32_t s = combine_mask (src, mask, i); + uint32_t d = *(dest + i); + uint32_t ia = ALPHA_8 (~s); + + UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, 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/acrobat/pdfs/PDF32000_2008.pdf + * The relevant chapters are 11.3.5 and 11.3.6. + * 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() being the blend function. + * Note that OVER is a special case of this operation, using B(Cb, Cs) = Cs + * + * These blend modes should match the SVG filter draft specification, as + * it has been designed to mirror ISO 32000. Note that at the current point + * no released draft exists that shows this, as the formulas have not been + * updated yet after the release of ISO 32000. + * + * The default implementation here uses the PDF_SEPARABLE_BLEND_MODE and + * PDF_NON_SEPARABLE_BLEND_MODE macros, which take the blend function as an + * argument. Note that this implementation operates on premultiplied colors, + * while the PDF specification does not. Therefore the code uses the formula + * Cra = (1 – as) . Dca + (1 – ad) . Sca + B(Dca, ad, Sca, as) + */ + +/* + * Multiply + * B(Dca, ad, Sca, as) = Dca.Sca + */ +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 + * B(Dca, ad, Sca, as) = Dca.sa + Sca.da - Dca.Sca + */ +static inline uint32_t +blend_screen (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + return DIV_ONE_UN8 (sca * da + dca * sa - sca * dca); +} + +PDF_SEPARABLE_BLEND_MODE (screen) + +/* + * Overlay + * B(Dca, Da, Sca, Sa) = + * if 2.Dca < Da + * 2.Sca.Dca + * otherwise + * Sa.Da - 2.(Da - Dca).(Sa - Sca) + */ +static inline uint32_t +blend_overlay (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + uint32_t rca; + + if (2 * dca < da) + rca = 2 * sca * dca; + else + rca = sa * da - 2 * (da - dca) * (sa - sca); + return DIV_ONE_UN8 (rca); +} + +PDF_SEPARABLE_BLEND_MODE (overlay) + +/* + * Darken + * B(Dca, Da, Sca, Sa) = min (Sca.Da, Dca.Sa) + */ +static inline uint32_t +blend_darken (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + uint32_t s, d; + + s = sca * da; + d = dca * sa; + return DIV_ONE_UN8 (s > d ? d : s); +} + +PDF_SEPARABLE_BLEND_MODE (darken) + +/* + * Lighten + * B(Dca, Da, Sca, Sa) = max (Sca.Da, Dca.Sa) + */ +static inline uint32_t +blend_lighten (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + uint32_t s, d; + + s = sca * da; + d = dca * sa; + return DIV_ONE_UN8 (s > d ? s : d); +} + +PDF_SEPARABLE_BLEND_MODE (lighten) + +/* + * Color dodge + * B(Dca, Da, Sca, Sa) = + * if Dca == 0 + * 0 + * if Sca == Sa + * Sa.Da + * otherwise + * Sa.Da. min (1, Dca / Da / (1 - Sca/Sa)) + */ +static inline uint32_t +blend_color_dodge (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + if (sca >= sa) + { + return dca == 0 ? 0 : DIV_ONE_UN8 (sa * da); + } + else + { + uint32_t rca = dca * sa / (sa - sca); + return DIV_ONE_UN8 (sa * MIN (rca, da)); + } +} + +PDF_SEPARABLE_BLEND_MODE (color_dodge) + +/* + * Color burn + * B(Dca, Da, Sca, Sa) = + * if Dca == Da + * Sa.Da + * if Sca == 0 + * 0 + * otherwise + * Sa.Da.(1 - min (1, (1 - Dca/Da).Sa / Sca)) + */ +static inline uint32_t +blend_color_burn (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + if (sca == 0) + { + return dca < da ? 0 : DIV_ONE_UN8 (sa * da); + } + else + { + uint32_t rca = (da - dca) * sa / sca; + return DIV_ONE_UN8 (sa * (MAX (rca, da) - rca)); + } +} + +PDF_SEPARABLE_BLEND_MODE (color_burn) + +/* + * Hard light + * B(Dca, Da, Sca, Sa) = + * if 2.Sca < Sa + * 2.Sca.Dca + * otherwise + * Sa.Da - 2.(Da - Dca).(Sa - Sca) + */ +static inline uint32_t +blend_hard_light (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + if (2 * sca < sa) + return DIV_ONE_UN8 (2 * sca * dca); + else + return DIV_ONE_UN8 (sa * da - 2 * (da - dca) * (sa - sca)); +} + +PDF_SEPARABLE_BLEND_MODE (hard_light) + +/* + * Soft light + * B(Dca, Da, Sca, Sa) = + * if (2.Sca <= Sa) + * Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa)) + * otherwise if Dca.4 <= Da + * Dca.(Sa + (2.Sca - Sa).((16.Dca/Da - 12).Dca/Da + 3) + * otherwise + * (Dca.Sa + (SQRT (Dca/Da).Da - Dca).(2.Sca - Sa)) + */ +static inline uint32_t +blend_soft_light (uint32_t dca_org, + uint32_t da_org, + uint32_t sca_org, + uint32_t sa_org) +{ + double dca = dca_org * (1.0 / MASK); + double da = da_org * (1.0 / MASK); + double sca = sca_org * (1.0 / MASK); + double sa = sa_org * (1.0 / MASK); + double rca; + + if (2 * sca < sa) + { + if (da == 0) + rca = dca * sa; + else + rca = dca * sa - dca * (da - dca) * (sa - 2 * sca) / da; + } + else if (da == 0) + { + rca = 0; + } + else if (4 * dca <= da) + { + rca = dca * sa + + (2 * sca - sa) * dca * ((16 * dca / da - 12) * dca / da + 3); + } + else + { + rca = dca * sa + (sqrt (dca * da) - dca) * (2 * sca - sa); + } + return rca * MASK + 0.5; +} + +PDF_SEPARABLE_BLEND_MODE (soft_light) + +/* + * Difference + * B(Dca, Da, Sca, Sa) = abs (Dca.Sa - Sca.Da) + */ +static inline uint32_t +blend_difference (uint32_t dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + uint32_t dcasa = dca * sa; + uint32_t scada = sca * da; + + if (scada < dcasa) + return DIV_ONE_UN8 (dcasa - scada); + else + return DIV_ONE_UN8 (scada - dcasa); +} + +PDF_SEPARABLE_BLEND_MODE (difference) + +/* + * Exclusion + * B(Dca, Da, Sca, Sa) = (Sca.Da + Dca.Sa - 2.Sca.Dca) + */ + +/* 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 dca, uint32_t da, uint32_t sca, uint32_t sa) +{ + return DIV_ONE_UN8 (sca * da + dca * sa - 2 * dca * sca); +} + +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, ra); + * + * 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, rs) + * + */ + +/* So, for the non-separable PDF blend modes, we have (using s, d for + * non-premultiplied colors, and S, D for premultiplied: + * + * Color: + * + * a_s * a_d * B(s, d) + * = a_s * a_d * set_lum (S/a_s, LUM (D/a_d), 1) + * = set_lum (S * a_d, a_s * LUM (D), a_s * a_d) + * + * + * Luminosity: + * + * a_s * a_d * B(s, d) + * = a_s * a_d * set_lum (D/a_d, LUM(S/a_s), 1) + * = set_lum (a_s * D, a_d * LUM(S), a_s * a_d) + * + * + * Saturation: + * + * a_s * a_d * B(s, d) + * = a_s * a_d * set_lum (set_sat (D/a_d, SAT (S/a_s)), LUM (D/a_d), 1) + * = set_lum (a_s * a_d * set_sat (D/a_d, SAT (S/a_s)), + * a_s * LUM (D), a_s * a_d) + * = set_lum (set_sat (a_s * D, a_d * SAT (S), a_s * LUM (D), a_s * a_d)) + * + * Hue: + * + * a_s * a_d * B(s, d) + * = a_s * a_d * set_lum (set_sat (S/a_s, SAT (D/a_d)), LUM (D/a_d), 1) + * = set_lum (set_sat (a_d * S, a_s * SAT (D)), a_s * LUM (D), a_s * a_d) + * + */ + +#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: + * B(Cb, Cs) = set_lum (set_sat (Cs, SAT (Cb)), LUM (Cb)) + */ +static inline void +blend_hsl_hue (uint32_t c[3], + uint32_t dc[3], + uint32_t da, + uint32_t sc[3], + uint32_t sa) +{ + c[0] = sc[0] * da; + c[1] = sc[1] * da; + c[2] = sc[2] * da; + set_sat (c, c, SAT (dc) * sa); + set_lum (c, c, sa * da, LUM (dc) * sa); +} + +PDF_NON_SEPARABLE_BLEND_MODE (hsl_hue) + +/* + * Saturation: + * B(Cb, Cs) = set_lum (set_sat (Cb, SAT (Cs)), LUM (Cb)) + */ +static inline void +blend_hsl_saturation (uint32_t c[3], + uint32_t dc[3], + uint32_t da, + uint32_t sc[3], + uint32_t sa) +{ + c[0] = dc[0] * sa; + c[1] = dc[1] * sa; + c[2] = dc[2] * sa; + set_sat (c, c, SAT (sc) * da); + set_lum (c, c, sa * da, LUM (dc) * sa); +} + +PDF_NON_SEPARABLE_BLEND_MODE (hsl_saturation) + +/* + * Color: + * B(Cb, Cs) = set_lum (Cs, LUM (Cb)) + */ +static inline void +blend_hsl_color (uint32_t c[3], + uint32_t dc[3], + uint32_t da, + uint32_t sc[3], + uint32_t sa) +{ + c[0] = sc[0] * da; + c[1] = sc[1] * da; + c[2] = sc[2] * da; + set_lum (c, c, sa * da, LUM (dc) * sa); +} + +PDF_NON_SEPARABLE_BLEND_MODE (hsl_color) + +/* + * Luminosity: + * B(Cb, Cs) = set_lum (Cb, LUM (Cs)) + */ +static inline void +blend_hsl_luminosity (uint32_t c[3], + uint32_t dc[3], + uint32_t da, + uint32_t sc[3], + uint32_t sa) +{ + c[0] = dc[0] * sa; + c[1] = dc[1] * sa; + c[2] = dc[2] * sa; + set_lum (c, c, sa * da, LUM (sc) * da); +} + +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; +} |