diff options
author | marha <marha@users.sourceforge.net> | 2014-01-05 17:18:15 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2014-01-05 17:18:15 +0100 |
commit | 0fd65ec557757ec8760a96400a09b8a8a92a7b14 (patch) | |
tree | 961d86d49281cf94e2dc85ffb88c6b1491036338 /pixman/pixman | |
parent | 68c12003597662f95eac07ddeee99637f7caa3e5 (diff) | |
parent | 1b37f71714e2ca4af60bd050adbbb7969534dfd6 (diff) | |
download | vcxsrv-0fd65ec557757ec8760a96400a09b8a8a92a7b14.tar.gz vcxsrv-0fd65ec557757ec8760a96400a09b8a8a92a7b14.tar.bz2 vcxsrv-0fd65ec557757ec8760a96400a09b8a8a92a7b14.zip |
Merge remote-tracking branch 'origin/released'
* origin/released:
randrproto libXau libxcb mesa mkfontscale pixman git update 5 Jan 2014
Diffstat (limited to 'pixman/pixman')
-rw-r--r-- | pixman/pixman/pixman-combine-float.c | 336 | ||||
-rw-r--r-- | pixman/pixman/pixman-combine32.c | 1556 | ||||
-rw-r--r-- | pixman/pixman/pixman-general.c | 21 |
3 files changed, 339 insertions, 1574 deletions
diff --git a/pixman/pixman/pixman-combine-float.c b/pixman/pixman/pixman-combine-float.c index e9aab4833..f5145bc9d 100644 --- a/pixman/pixman/pixman-combine-float.c +++ b/pixman/pixman/pixman-combine-float.c @@ -319,23 +319,44 @@ MAKE_PD_COMBINERS (conjoint_xor, ONE_MINUS_DA_OVER_SA, ONE_MINUS_SA_OVER_DA) * * 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. + * + * 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() 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 - * ar.Cra = (1 – as) . Dca + (1 – ad) . Sca + B(Dca, ad, Sca, as) + * + * 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 */ #define MAKE_SEPARABLE_PDF_COMBINERS(name) \ @@ -355,18 +376,55 @@ MAKE_PD_COMBINERS (conjoint_xor, ONE_MINUS_DA_OVER_SA, ONE_MINUS_SA_OVER_DA) \ MAKE_COMBINERS (name, combine_ ## name ## _a, combine_ ## name ## _c) +/* + * Multiply + * + * ad * as * B(d / ad, s / as) + * = ad * as * d/ad * s/as + * = d * s + * + */ static force_inline float blend_multiply (float sa, float s, float da, float d) { return d * s; } +/* + * 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 force_inline float blend_screen (float sa, float s, float da, float d) { return d * sa + s * da - s * d; } +/* + * 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 force_inline float blend_overlay (float sa, float s, float da, float d) { @@ -376,6 +434,13 @@ blend_overlay (float sa, float s, float da, float d) return sa * da - 2 * (da - d) * (sa - s); } +/* + * Darken + * + * ad * as * B(d/ad, s/as) + * = ad * as * MIN(d/ad, s/as) + * = MIN (as * d, ad * s) + */ static force_inline float blend_darken (float sa, float s, float da, float d) { @@ -388,6 +453,13 @@ blend_darken (float sa, float s, float da, float d) return s; } +/* + * Lighten + * + * ad * as * B(d/ad, s/as) + * = ad * as * MAX(d/ad, s/as) + * = MAX (as * d, ad * s) + */ static force_inline float blend_lighten (float sa, float s, float da, float d) { @@ -400,6 +472,24 @@ blend_lighten (float sa, float s, float da, float d) return d; } +/* + * 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 force_inline float blend_color_dodge (float sa, float s, float da, float d) { @@ -413,6 +503,26 @@ blend_color_dodge (float sa, float s, float da, float d) return sa * sa * d / (sa - s); } +/* + * 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 force_inline float blend_color_burn (float sa, float s, float da, float d) { @@ -426,6 +536,23 @@ blend_color_burn (float sa, float s, float da, float d) return sa * (da - sa * (da - d) / s); } +/* + * 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 force_inline float blend_hard_light (float sa, float s, float da, float d) { @@ -435,6 +562,23 @@ blend_hard_light (float sa, float s, float da, float d) return sa * da - 2 * (da - d) * (sa - s); } +/* + * 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 force_inline float blend_soft_light (float sa, float s, float da, float d) { @@ -449,7 +593,7 @@ blend_soft_light (float sa, float s, float da, float d) { if (FLOAT_IS_ZERO (da)) { - return 0.0f; + return d * sa; } else { @@ -461,6 +605,20 @@ blend_soft_light (float sa, float s, float da, float d) } } +/* + * 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 force_inline float blend_difference (float sa, float s, float da, float d) { @@ -473,6 +631,13 @@ blend_difference (float sa, float s, float da, float d) return sda - dsa; } +/* + * 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 + */ static force_inline float blend_exclusion (float sa, float s, float da, float d) { @@ -492,116 +657,79 @@ MAKE_SEPARABLE_PDF_COMBINERS (difference) MAKE_SEPARABLE_PDF_COMBINERS (exclusion) /* - * PDF nonseperable blend modes. - * - * These 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. + * 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 + * 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) + * 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 + * 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) + * 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 + * if x >= 1.0 * * into * - * if x >= a + * if x >= a * * then clip_color is also linear: * - * r * clip_color (C, a) = clip_color (r_c, ra); + * 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 * set_lum (C, l, a) * - * = r × clip_color ( C + l - LUM (C), a) + * = r × clip_color (C + l - LUM (C), a) * - * = clip_color ( r * C + r × l - LUM (r × C), r * a) + * = clip_color (r * C + r × l - r * LUM (C), r * a) * - * = set_lum ( r * C, r * l, r * a) + * = set_lum (r * C, r * l, r * a) * * Finally, set_sat: * - * r * set_sat (C, s) = set_sat (x * C, r * s) + * r * set_sat (C, s) = set_sat (x * C, r * s) * - * The above holds for all non-zero x because they x'es in the fraction for + * 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) + * r * set_sat (C, s) = set_sat (r * C, r * s) * */ - typedef struct { float r; @@ -769,9 +897,12 @@ set_sat (rgb_t *src, float sat) *min = 0.0f; } -/* - * Hue: - * B(Cb, Cs) = set_lum (set_sat (Cs, SAT (Cb)), LUM (Cb)) +/* 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 force_inline void blend_hsl_hue (rgb_t *res, @@ -786,9 +917,14 @@ blend_hsl_hue (rgb_t *res, set_lum (res, sa * da, get_lum (dest) * sa); } -/* - * Saturation: - * B(Cb, Cs) = set_lum (set_sat (Cb, SAT (Cs)), LUM (Cb)) +/* + * 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 force_inline void blend_hsl_saturation (rgb_t *res, @@ -803,9 +939,12 @@ blend_hsl_saturation (rgb_t *res, set_lum (res, sa * da, get_lum (dest) * sa); } -/* - * Color: - * B(Cb, Cs) = set_lum (Cs, LUM (Cb)) +/* + * 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 force_inline void blend_hsl_color (rgb_t *res, @@ -820,8 +959,11 @@ blend_hsl_color (rgb_t *res, } /* - * Luminosity: - * B(Cb, Cs) = set_lum (Cb, LUM (Cs)) + * 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 force_inline void blend_hsl_luminosity (rgb_t *res, diff --git a/pixman/pixman/pixman-combine32.c b/pixman/pixman/pixman-combine32.c index 44ca7e857..4c484d3e3 100644 --- a/pixman/pixman/pixman-combine32.c +++ b/pixman/pixman/pixman-combine32.c @@ -434,36 +434,6 @@ combine_add_u (pixman_implementation_t *imp, } } -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: * @@ -571,6 +541,15 @@ combine_multiply_ca (pixman_implementation_t *imp, } } +#define CLAMP(v, low, high) \ + do \ + { \ + if (v < (low)) \ + v = (low); \ + if (v > (high)) \ + v = (high); \ + } while (0) + #define PDF_SEPARABLE_BLEND_MODE(name) \ static void \ combine_ ## name ## _u (pixman_implementation_t *imp, \ @@ -589,16 +568,28 @@ combine_multiply_ca (pixman_implementation_t *imp, 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); \ + int32_t ra, rr, rg, rb; \ \ - *(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)); \ + ra = da * 0xff + sa * 0xff - sa * da; \ + rr = isa * RED_8 (d) + ida * RED_8 (s); \ + rg = isa * GREEN_8 (d) + ida * GREEN_8 (s); \ + rb = isa * BLUE_8 (d) + ida * BLUE_8 (s); \ + \ + rr += blend_ ## name (RED_8 (d), da, RED_8 (s), sa); \ + rg += blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), sa); \ + rb += blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), sa); \ + \ + CLAMP (ra, 0, 255 * 255); \ + CLAMP (rr, 0, 255 * 255); \ + CLAMP (rg, 0, 255 * 255); \ + CLAMP (rb, 0, 255 * 255); \ + \ + ra = DIV_ONE_UN8 (ra); \ + rr = DIV_ONE_UN8 (rr); \ + rg = DIV_ONE_UN8 (rg); \ + rb = DIV_ONE_UN8 (rb); \ + \ + *(dest + i) = ra << 24 | rr << 16 | rg << 8 | rb; \ } \ } \ \ @@ -618,20 +609,35 @@ combine_multiply_ca (pixman_implementation_t *imp, uint32_t d = *(dest + i); \ uint8_t da = ALPHA_8 (d); \ uint8_t ida = ~da; \ - uint32_t result; \ - \ + int32_t ra, rr, rg, rb; \ + uint8_t ira, iga, iba; \ + \ 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; \ + ira = ~RED_8 (m); \ + iga = ~GREEN_8 (m); \ + iba = ~BLUE_8 (m); \ + \ + ra = da * 0xff + ALPHA_8 (s) * 0xff - ALPHA_8 (s) * da; \ + rr = ira * RED_8 (d) + ida * RED_8 (s); \ + rg = iga * GREEN_8 (d) + ida * GREEN_8 (s); \ + rb = iba * BLUE_8 (d) + ida * BLUE_8 (s); \ + \ + rr += blend_ ## name (RED_8 (d), da, RED_8 (s), RED_8 (m)); \ + rg += blend_ ## name (GREEN_8 (d), da, GREEN_8 (s), GREEN_8 (m)); \ + rb += blend_ ## name (BLUE_8 (d), da, BLUE_8 (s), BLUE_8 (m)); \ + \ + CLAMP (ra, 0, 255 * 255); \ + CLAMP (rr, 0, 255 * 255); \ + CLAMP (rg, 0, 255 * 255); \ + CLAMP (rb, 0, 255 * 255); \ + \ + ra = DIV_ONE_UN8 (ra); \ + rr = DIV_ONE_UN8 (rr); \ + rg = DIV_ONE_UN8 (rg); \ + rb = DIV_ONE_UN8 (rb); \ + \ + *(dest + i) = ra << 24 | rr << 16 | rg << 8 | rb; \ } \ } @@ -642,10 +648,10 @@ combine_multiply_ca (pixman_implementation_t *imp, * = 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) +static inline int32_t +blend_screen (int32_t d, int32_t ad, int32_t s, int32_t as) { - return DIV_ONE_UN8 (s * ad + d * as - s * d); + return s * ad + d * as - s * d; } PDF_SEPARABLE_BLEND_MODE (screen) @@ -672,8 +678,8 @@ PDF_SEPARABLE_BLEND_MODE (screen) * 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) +static inline int32_t +blend_overlay (int32_t d, int32_t ad, int32_t s, int32_t as) { uint32_t r; @@ -682,7 +688,7 @@ blend_overlay (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) else r = as * ad - 2 * (ad - d) * (as - s); - return DIV_ONE_UN8 (r); + return r; } PDF_SEPARABLE_BLEND_MODE (overlay) @@ -694,13 +700,13 @@ PDF_SEPARABLE_BLEND_MODE (overlay) * = 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) +static inline int32_t +blend_darken (int32_t d, int32_t ad, int32_t s, int32_t as) { s = ad * s; d = as * d; - return DIV_ONE_UN8 (s > d ? d : s); + return s > d ? d : s; } PDF_SEPARABLE_BLEND_MODE (darken) @@ -712,86 +718,18 @@ PDF_SEPARABLE_BLEND_MODE (darken) * = 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) +static inline int32_t +blend_lighten (int32_t d, int32_t ad, int32_t s, int32_t as) { s = ad * s; d = as * d; - return DIV_ONE_UN8 (s > d ? s : d); + return 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) @@ -808,72 +746,18 @@ PDF_SEPARABLE_BLEND_MODE (color_burn) * 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) +static inline int32_t +blend_hard_light (int32_t d, int32_t ad, int32_t s, int32_t as) { if (2 * s < as) - return DIV_ONE_UN8 (2 * s * d); + return 2 * s * d; else - return DIV_ONE_UN8 (as * ad - 2 * (ad - d) * (as - s)); + return 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) @@ -887,16 +771,16 @@ PDF_SEPARABLE_BLEND_MODE (soft_light) * else * ad * s - as * d */ -static inline uint32_t -blend_difference (uint32_t d, uint32_t ad, uint32_t s, uint32_t as) +static inline int32_t +blend_difference (int32_t d, int32_t ad, int32_t s, int32_t as) { - uint32_t das = d * as; - uint32_t sad = s * ad; + int32_t das = d * as; + int32_t sad = s * ad; if (sad < das) - return DIV_ONE_UN8 (das - sad); + return das - sad; else - return DIV_ONE_UN8 (sad - das); + return sad - das; } PDF_SEPARABLE_BLEND_MODE (difference) @@ -912,796 +796,16 @@ PDF_SEPARABLE_BLEND_MODE (difference) /* 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) +static inline int32_t +blend_exclusion (int32_t d, int32_t ad, int32_t s, int32_t as) { - return DIV_ONE_UN8 (s * ad + d * as - 2 * d * s); + return 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 @@ -2032,428 +1136,6 @@ combine_add_ca (pixman_implementation_t *imp, } } -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) { @@ -2471,51 +1153,15 @@ _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp) 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; @@ -2531,51 +1177,13 @@ _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp) 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; } diff --git a/pixman/pixman/pixman-general.c b/pixman/pixman/pixman-general.c index 8bce7c006..7cdea2956 100644 --- a/pixman/pixman/pixman-general.c +++ b/pixman/pixman/pixman-general.c @@ -109,6 +109,20 @@ static const op_info_t op_flags[PIXMAN_N_OPERATORS] = #define SCANLINE_BUFFER_LENGTH 8192 +static pixman_bool_t +operator_needs_division (pixman_op_t op) +{ + static const uint8_t needs_division[] = + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, /* SATURATE */ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, /* DISJOINT */ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, /* CONJOINT */ + 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, /* blend ops */ + }; + + return needs_division[op]; +} + static void general_composite_rect (pixman_implementation_t *imp, pixman_composite_info_t *info) @@ -124,9 +138,10 @@ general_composite_rect (pixman_implementation_t *imp, int Bpp; int i; - if ((src_image->common.flags & FAST_PATH_NARROW_FORMAT) && - (!mask_image || mask_image->common.flags & FAST_PATH_NARROW_FORMAT) && - (dest_image->common.flags & FAST_PATH_NARROW_FORMAT)) + if ((src_image->common.flags & FAST_PATH_NARROW_FORMAT) && + (!mask_image || mask_image->common.flags & FAST_PATH_NARROW_FORMAT) && + (dest_image->common.flags & FAST_PATH_NARROW_FORMAT) && + !(operator_needs_division (op))) { width_flag = ITER_NARROW; Bpp = 4; |