pixman-combine64.h revision 4fedcd2da6f840dbadee84e579f146ad0f1fde22
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync/* WARNING: This file is generated by combine.pl from combine.inc.
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync Please edit one of those files rather than this one. */
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * Helper macros.
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define MUL_UN16(a, b, t) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync ((t) = (a) * (b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT ))
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define DIV_UN16(a, b) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define ADD_UN16(x, y, t) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync ((t) = x + y, \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync (uint64_t) (uint16_t) ((t) | (0 - ((t) >> G_SHIFT))))
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync (((x) + ONE_HALF + (((x) + ONE_HALF) >> G_SHIFT)) >> G_SHIFT)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * The methods below use some tricks to be able to do two color
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * components at the same time.
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_rb = (x_rb * a) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16_rb_MUL_UN16(x, a, t) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync t = ((x) & RB_MASK) * (a); \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_rb = min (x_rb + y_rb, 255)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16_rb_ADD_UN16_rb(x, y, t) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync t = ((x) + (y)); \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync x = (t & RB_MASK); \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_rb = (x_rb * a_rb) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16_rb_MUL_UN16_rb(x, a, t) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16x4_MUL_UN16(x, a) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a) / 255 + y_c
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16x4_MUL_UN16_ADD_UN16x4(x, a, y) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a + y_c * b) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16x4_MUL_UN16_ADD_UN16x4_MUL_UN16(x, a, y, b) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a_c) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a_c) / 255 + y_c
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16x4_MUL_UN16x4_ADD_UN16x4(x, a, y) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync * x_c = (x_c * a_c + y_c * b) / 255
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync#define UN16x4_MUL_UN16x4_ADD_UN16x4_MUL_UN16(x, a, y, b) \
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync x_c = min(x_c + y_c, 255)
4fedcd2da6f840dbadee84e579f146ad0f1fde22vboxsync } while (0)