1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/cairo/libpixman/src/pixman-combine64.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,230 @@
1.4 +/* WARNING: This file is generated by combine.pl from combine.inc.
1.5 + Please edit one of those files rather than this one. */
1.6 +
1.7 +#line 1 "pixman-combine.c.template"
1.8 +
1.9 +#define COMPONENT_SIZE 16
1.10 +#define MASK 0xffffULL
1.11 +#define ONE_HALF 0x8000ULL
1.12 +
1.13 +#define A_SHIFT 16 * 3
1.14 +#define R_SHIFT 16 * 2
1.15 +#define G_SHIFT 16
1.16 +#define A_MASK 0xffff000000000000ULL
1.17 +#define R_MASK 0xffff00000000ULL
1.18 +#define G_MASK 0xffff0000ULL
1.19 +
1.20 +#define RB_MASK 0xffff0000ffffULL
1.21 +#define AG_MASK 0xffff0000ffff0000ULL
1.22 +#define RB_ONE_HALF 0x800000008000ULL
1.23 +#define RB_MASK_PLUS_ONE 0x10000000010000ULL
1.24 +
1.25 +#define ALPHA_16(x) ((x) >> A_SHIFT)
1.26 +#define RED_16(x) (((x) >> R_SHIFT) & MASK)
1.27 +#define GREEN_16(x) (((x) >> G_SHIFT) & MASK)
1.28 +#define BLUE_16(x) ((x) & MASK)
1.29 +
1.30 +/*
1.31 + * Helper macros.
1.32 + */
1.33 +
1.34 +#define MUL_UN16(a, b, t) \
1.35 + ((t) = (a) * (uint32_t)(b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT ))
1.36 +
1.37 +#define DIV_UN16(a, b) \
1.38 + (((uint32_t) (a) * MASK + ((b) / 2)) / (b))
1.39 +
1.40 +#define ADD_UN16(x, y, t) \
1.41 + ((t) = (x) + (y), \
1.42 + (uint64_t) (uint16_t) ((t) | (0 - ((t) >> G_SHIFT))))
1.43 +
1.44 +#define DIV_ONE_UN16(x) \
1.45 + (((x) + ONE_HALF + (((x) + ONE_HALF) >> G_SHIFT)) >> G_SHIFT)
1.46 +
1.47 +/*
1.48 + * The methods below use some tricks to be able to do two color
1.49 + * components at the same time.
1.50 + */
1.51 +
1.52 +/*
1.53 + * x_rb = (x_rb * a) / 255
1.54 + */
1.55 +#define UN16_rb_MUL_UN16(x, a, t) \
1.56 + do \
1.57 + { \
1.58 + t = ((x) & RB_MASK) * (a); \
1.59 + t += RB_ONE_HALF; \
1.60 + x = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
1.61 + x &= RB_MASK; \
1.62 + } while (0)
1.63 +
1.64 +/*
1.65 + * x_rb = min (x_rb + y_rb, 255)
1.66 + */
1.67 +#define UN16_rb_ADD_UN16_rb(x, y, t) \
1.68 + do \
1.69 + { \
1.70 + t = ((x) + (y)); \
1.71 + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
1.72 + x = (t & RB_MASK); \
1.73 + } while (0)
1.74 +
1.75 +/*
1.76 + * x_rb = (x_rb * a_rb) / 255
1.77 + */
1.78 +#define UN16_rb_MUL_UN16_rb(x, a, t) \
1.79 + do \
1.80 + { \
1.81 + t = (x & MASK) * (a & MASK); \
1.82 + t |= (x & R_MASK) * ((a >> R_SHIFT) & MASK); \
1.83 + t += RB_ONE_HALF; \
1.84 + t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \
1.85 + x = t & RB_MASK; \
1.86 + } while (0)
1.87 +
1.88 +/*
1.89 + * x_c = (x_c * a) / 255
1.90 + */
1.91 +#define UN16x4_MUL_UN16(x, a) \
1.92 + do \
1.93 + { \
1.94 + uint64_t r1__, r2__, t__; \
1.95 + \
1.96 + r1__ = (x); \
1.97 + UN16_rb_MUL_UN16 (r1__, (a), t__); \
1.98 + \
1.99 + r2__ = (x) >> G_SHIFT; \
1.100 + UN16_rb_MUL_UN16 (r2__, (a), t__); \
1.101 + \
1.102 + (x) = r1__ | (r2__ << G_SHIFT); \
1.103 + } while (0)
1.104 +
1.105 +/*
1.106 + * x_c = (x_c * a) / 255 + y_c
1.107 + */
1.108 +#define UN16x4_MUL_UN16_ADD_UN16x4(x, a, y) \
1.109 + do \
1.110 + { \
1.111 + uint64_t r1__, r2__, r3__, t__; \
1.112 + \
1.113 + r1__ = (x); \
1.114 + r2__ = (y) & RB_MASK; \
1.115 + UN16_rb_MUL_UN16 (r1__, (a), t__); \
1.116 + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
1.117 + \
1.118 + r2__ = (x) >> G_SHIFT; \
1.119 + r3__ = ((y) >> G_SHIFT) & RB_MASK; \
1.120 + UN16_rb_MUL_UN16 (r2__, (a), t__); \
1.121 + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
1.122 + \
1.123 + (x) = r1__ | (r2__ << G_SHIFT); \
1.124 + } while (0)
1.125 +
1.126 +/*
1.127 + * x_c = (x_c * a + y_c * b) / 255
1.128 + */
1.129 +#define UN16x4_MUL_UN16_ADD_UN16x4_MUL_UN16(x, a, y, b) \
1.130 + do \
1.131 + { \
1.132 + uint64_t r1__, r2__, r3__, t__; \
1.133 + \
1.134 + r1__ = (x); \
1.135 + r2__ = (y); \
1.136 + UN16_rb_MUL_UN16 (r1__, (a), t__); \
1.137 + UN16_rb_MUL_UN16 (r2__, (b), t__); \
1.138 + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
1.139 + \
1.140 + r2__ = ((x) >> G_SHIFT); \
1.141 + r3__ = ((y) >> G_SHIFT); \
1.142 + UN16_rb_MUL_UN16 (r2__, (a), t__); \
1.143 + UN16_rb_MUL_UN16 (r3__, (b), t__); \
1.144 + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
1.145 + \
1.146 + (x) = r1__ | (r2__ << G_SHIFT); \
1.147 + } while (0)
1.148 +
1.149 +/*
1.150 + * x_c = (x_c * a_c) / 255
1.151 + */
1.152 +#define UN16x4_MUL_UN16x4(x, a) \
1.153 + do \
1.154 + { \
1.155 + uint64_t r1__, r2__, r3__, t__; \
1.156 + \
1.157 + r1__ = (x); \
1.158 + r2__ = (a); \
1.159 + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
1.160 + \
1.161 + r2__ = (x) >> G_SHIFT; \
1.162 + r3__ = (a) >> G_SHIFT; \
1.163 + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
1.164 + \
1.165 + (x) = r1__ | (r2__ << G_SHIFT); \
1.166 + } while (0)
1.167 +
1.168 +/*
1.169 + * x_c = (x_c * a_c) / 255 + y_c
1.170 + */
1.171 +#define UN16x4_MUL_UN16x4_ADD_UN16x4(x, a, y) \
1.172 + do \
1.173 + { \
1.174 + uint64_t r1__, r2__, r3__, t__; \
1.175 + \
1.176 + r1__ = (x); \
1.177 + r2__ = (a); \
1.178 + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
1.179 + r2__ = (y) & RB_MASK; \
1.180 + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
1.181 + \
1.182 + r2__ = ((x) >> G_SHIFT); \
1.183 + r3__ = ((a) >> G_SHIFT); \
1.184 + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
1.185 + r3__ = ((y) >> G_SHIFT) & RB_MASK; \
1.186 + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
1.187 + \
1.188 + (x) = r1__ | (r2__ << G_SHIFT); \
1.189 + } while (0)
1.190 +
1.191 +/*
1.192 + * x_c = (x_c * a_c + y_c * b) / 255
1.193 + */
1.194 +#define UN16x4_MUL_UN16x4_ADD_UN16x4_MUL_UN16(x, a, y, b) \
1.195 + do \
1.196 + { \
1.197 + uint64_t r1__, r2__, r3__, t__; \
1.198 + \
1.199 + r1__ = (x); \
1.200 + r2__ = (a); \
1.201 + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \
1.202 + r2__ = (y); \
1.203 + UN16_rb_MUL_UN16 (r2__, (b), t__); \
1.204 + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
1.205 + \
1.206 + r2__ = (x) >> G_SHIFT; \
1.207 + r3__ = (a) >> G_SHIFT; \
1.208 + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \
1.209 + r3__ = (y) >> G_SHIFT; \
1.210 + UN16_rb_MUL_UN16 (r3__, (b), t__); \
1.211 + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
1.212 + \
1.213 + x = r1__ | (r2__ << G_SHIFT); \
1.214 + } while (0)
1.215 +
1.216 +/*
1.217 + x_c = min(x_c + y_c, 255)
1.218 +*/
1.219 +#define UN16x4_ADD_UN16x4(x, y) \
1.220 + do \
1.221 + { \
1.222 + uint64_t r1__, r2__, r3__, t__; \
1.223 + \
1.224 + r1__ = (x) & RB_MASK; \
1.225 + r2__ = (y) & RB_MASK; \
1.226 + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \
1.227 + \
1.228 + r2__ = ((x) >> G_SHIFT) & RB_MASK; \
1.229 + r3__ = ((y) >> G_SHIFT) & RB_MASK; \
1.230 + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \
1.231 + \
1.232 + x = r1__ | (r2__ << G_SHIFT); \
1.233 + } while (0)
