diff options
Diffstat (limited to 'gfx/cairo/libpixman/src/pixman-combine64.h')
| -rw-r--r-- | gfx/cairo/libpixman/src/pixman-combine64.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/gfx/cairo/libpixman/src/pixman-combine64.h b/gfx/cairo/libpixman/src/pixman-combine64.h new file mode 100644 index 000000000..00413a85f --- /dev/null +++ b/gfx/cairo/libpixman/src/pixman-combine64.h @@ -0,0 +1,230 @@ +/* WARNING: This file is generated by combine.pl from combine.inc. + Please edit one of those files rather than this one. */ + +#line 1 "pixman-combine.c.template" + +#define COMPONENT_SIZE 16 +#define MASK 0xffffULL +#define ONE_HALF 0x8000ULL + +#define A_SHIFT 16 * 3 +#define R_SHIFT 16 * 2 +#define G_SHIFT 16 +#define A_MASK 0xffff000000000000ULL +#define R_MASK 0xffff00000000ULL +#define G_MASK 0xffff0000ULL + +#define RB_MASK 0xffff0000ffffULL +#define AG_MASK 0xffff0000ffff0000ULL +#define RB_ONE_HALF 0x800000008000ULL +#define RB_MASK_PLUS_ONE 0x10000000010000ULL + +#define ALPHA_16(x) ((x) >> A_SHIFT) +#define RED_16(x) (((x) >> R_SHIFT) & MASK) +#define GREEN_16(x) (((x) >> G_SHIFT) & MASK) +#define BLUE_16(x) ((x) & MASK) + +/* + * Helper macros. + */ + +#define MUL_UN16(a, b, t) \ + ((t) = (a) * (uint32_t)(b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT )) + +#define DIV_UN16(a, b) \ + (((uint32_t) (a) * MASK + ((b) / 2)) / (b)) + +#define ADD_UN16(x, y, t) \ + ((t) = (x) + (y), \ + (uint64_t) (uint16_t) ((t) | (0 - ((t) >> G_SHIFT)))) + +#define DIV_ONE_UN16(x) \ + (((x) + ONE_HALF + (((x) + ONE_HALF) >> G_SHIFT)) >> G_SHIFT) + +/* + * The methods below use some tricks to be able to do two color + * components at the same time. + */ + +/* + * x_rb = (x_rb * a) / 255 + */ +#define UN16_rb_MUL_UN16(x, a, t) \ + do \ + { \ + t = ((x) & RB_MASK) * (a); \ + t += RB_ONE_HALF; \ + x = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ + x &= RB_MASK; \ + } while (0) + +/* + * x_rb = min (x_rb + y_rb, 255) + */ +#define UN16_rb_ADD_UN16_rb(x, y, t) \ + do \ + { \ + t = ((x) + (y)); \ + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ + x = (t & RB_MASK); \ + } while (0) + +/* + * x_rb = (x_rb * a_rb) / 255 + */ +#define UN16_rb_MUL_UN16_rb(x, a, t) \ + do \ + { \ + t = (x & MASK) * (a & MASK); \ + t |= (x & R_MASK) * ((a >> R_SHIFT) & MASK); \ + t += RB_ONE_HALF; \ + t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ + x = t & RB_MASK; \ + } while (0) + +/* + * x_c = (x_c * a) / 255 + */ +#define UN16x4_MUL_UN16(x, a) \ + do \ + { \ + uint64_t r1__, r2__, t__; \ + \ + r1__ = (x); \ + UN16_rb_MUL_UN16 (r1__, (a), t__); \ + \ + r2__ = (x) >> G_SHIFT; \ + UN16_rb_MUL_UN16 (r2__, (a), t__); \ + \ + (x) = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + * x_c = (x_c * a) / 255 + y_c + */ +#define UN16x4_MUL_UN16_ADD_UN16x4(x, a, y) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x); \ + r2__ = (y) & RB_MASK; \ + UN16_rb_MUL_UN16 (r1__, (a), t__); \ + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = (x) >> G_SHIFT; \ + r3__ = ((y) >> G_SHIFT) & RB_MASK; \ + UN16_rb_MUL_UN16 (r2__, (a), t__); \ + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \ + \ + (x) = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + * x_c = (x_c * a + y_c * b) / 255 + */ +#define UN16x4_MUL_UN16_ADD_UN16x4_MUL_UN16(x, a, y, b) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x); \ + r2__ = (y); \ + UN16_rb_MUL_UN16 (r1__, (a), t__); \ + UN16_rb_MUL_UN16 (r2__, (b), t__); \ + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = ((x) >> G_SHIFT); \ + r3__ = ((y) >> G_SHIFT); \ + UN16_rb_MUL_UN16 (r2__, (a), t__); \ + UN16_rb_MUL_UN16 (r3__, (b), t__); \ + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \ + \ + (x) = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + * x_c = (x_c * a_c) / 255 + */ +#define UN16x4_MUL_UN16x4(x, a) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x); \ + r2__ = (a); \ + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = (x) >> G_SHIFT; \ + r3__ = (a) >> G_SHIFT; \ + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \ + \ + (x) = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + * x_c = (x_c * a_c) / 255 + y_c + */ +#define UN16x4_MUL_UN16x4_ADD_UN16x4(x, a, y) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x); \ + r2__ = (a); \ + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \ + r2__ = (y) & RB_MASK; \ + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = ((x) >> G_SHIFT); \ + r3__ = ((a) >> G_SHIFT); \ + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \ + r3__ = ((y) >> G_SHIFT) & RB_MASK; \ + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \ + \ + (x) = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + * x_c = (x_c * a_c + y_c * b) / 255 + */ +#define UN16x4_MUL_UN16x4_ADD_UN16x4_MUL_UN16(x, a, y, b) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x); \ + r2__ = (a); \ + UN16_rb_MUL_UN16_rb (r1__, r2__, t__); \ + r2__ = (y); \ + UN16_rb_MUL_UN16 (r2__, (b), t__); \ + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = (x) >> G_SHIFT; \ + r3__ = (a) >> G_SHIFT; \ + UN16_rb_MUL_UN16_rb (r2__, r3__, t__); \ + r3__ = (y) >> G_SHIFT; \ + UN16_rb_MUL_UN16 (r3__, (b), t__); \ + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \ + \ + x = r1__ | (r2__ << G_SHIFT); \ + } while (0) + +/* + x_c = min(x_c + y_c, 255) +*/ +#define UN16x4_ADD_UN16x4(x, y) \ + do \ + { \ + uint64_t r1__, r2__, r3__, t__; \ + \ + r1__ = (x) & RB_MASK; \ + r2__ = (y) & RB_MASK; \ + UN16_rb_ADD_UN16_rb (r1__, r2__, t__); \ + \ + r2__ = ((x) >> G_SHIFT) & RB_MASK; \ + r3__ = ((y) >> G_SHIFT) & RB_MASK; \ + UN16_rb_ADD_UN16_rb (r2__, r3__, t__); \ + \ + x = r1__ | (r2__ << G_SHIFT); \ + } while (0) |