diff options
Diffstat (limited to 'pixman/pixman/pixman-combine64.h')
| -rw-r--r-- | pixman/pixman/pixman-combine64.h | 370 |
1 files changed, 186 insertions, 184 deletions
diff --git a/pixman/pixman/pixman-combine64.h b/pixman/pixman/pixman-combine64.h index 8782d1b40..e5ecef3a1 100644 --- a/pixman/pixman/pixman-combine64.h +++ b/pixman/pixman/pixman-combine64.h @@ -1,231 +1,233 @@ /* WARNING: This file is generated by combine.pl from combine.inc. Please edit one of those files rather than this one. */ -#line 1 "combine.inc" +#line 1 "pixman-combine.c.template" #define COMPONENT_SIZE 16 #define MASK 0xffffULL #define ONE_HALF 0x8000ULL -#define G_SHIFT 16 -#define B_SHIFT 16 * 2 #define A_SHIFT 16 * 3 -#define G_MASK 0xffff0000ULL -#define B_MASK 0xffff00000000ULL +#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(x) ((x) >> A_SHIFT) +#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 IntMult(a,b,t) ( (t) = (a) * (b) + ONE_HALF, ( ( ( (t)>>G_SHIFT ) + (t) )>>G_SHIFT ) ) -#define IntDiv(a,b) (((uint32_t) (a) * MASK) / (b)) +#define MUL_UN16(a, b, t) \ + ((t) = (a) * (b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT )) -#define GetComp(v,i) ((uint32_t) (uint16_t) ((v) >> i)) +#define DIV_UN16(a, b) \ + (((uint32_t) (a) * MASK) / (b)) -#define Add(x,y,i,t) ((t) = GetComp(x,i) + GetComp(y,i), \ - (uint64_t) ((uint16_t) ((t) | (0 - ((t) >> G_SHIFT)))) << (i)) +#define ADD_UN16(x, y, t) \ + ((t) = x + y, \ + (uint64_t) (uint16_t) ((t) | (0 - ((t) >> G_SHIFT)))) -#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (IntMult(GetComp(y,i),ay,(u)) + \ - IntMult(GetComp(x,i),ax,(v))), \ - (uint64_t) ((uint16_t) ((t) | \ - (0 - ((t) >> G_SHIFT)))) << (i)) +#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_c = (x_c * a) / 255 -*/ -#define FbByteMul(x, a) do { \ - uint64_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \ - t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ - t &= RB_MASK; \ - \ - x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \ - x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)); \ - x &= RB_MASK << COMPONENT_SIZE; \ - x += t; \ - } while (0) + * The methods below use some tricks to be able to do two color + * components at the same time. + */ /* - x_c = (x_c * a) / 255 + y -*/ -#define FbByteMulAdd(x, a, y) do { \ - /* multiply and divide: trunc((i + 128)*257/65536) */ \ - uint64_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \ - t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ - t &= RB_MASK; \ - \ - /* add */ \ - t += y & RB_MASK; \ - \ - /* saturate */ \ - t |= RB_MASK_PLUS_ONE - ((t >> COMPONENT_SIZE) & RB_MASK); \ - t &= RB_MASK; \ - \ - /* multiply and divide */ \ - x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \ - x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ - x &= RB_MASK; \ - \ - /* add */ \ - x += (y >> COMPONENT_SIZE) & RB_MASK; \ - \ - /* saturate */ \ - x |= RB_MASK_PLUS_ONE - ((x >> COMPONENT_SIZE) & RB_MASK); \ - x &= RB_MASK; \ - \ - /* recombine */ \ - x <<= COMPONENT_SIZE; \ - x += t; \ + * x_c = (x_c * a) / 255 + */ +#define UN16x4_MUL_UN16(x, a) \ + do \ + { \ + uint64_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \ + t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ + t &= RB_MASK; \ + \ + x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \ + x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)); \ + x &= RB_MASK << COMPONENT_SIZE; \ + x += t; \ } while (0) /* - x_c = (x_c * a + y_c * b) / 255 -*/ -#define FbByteAddMul(x, a, y, b) do { \ - uint64_t t; \ - uint64_t r = (x >> A_SHIFT) * a + (y >> A_SHIFT) * b + ONE_HALF; \ - r += (r >> G_SHIFT); \ - r >>= G_SHIFT; \ - \ - t = (x & G_MASK) * a + (y & G_MASK) * b; \ - t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \ - t >>= B_SHIFT; \ - \ - t |= r << B_SHIFT; \ - t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ - t &= RB_MASK; \ - t <<= G_SHIFT; \ - \ - r = ((x >> B_SHIFT) & MASK) * a + \ - ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \ - r += (r >> G_SHIFT); \ - r >>= G_SHIFT; \ - \ - x = (x & MASK) * a + (y & MASK) * b + ONE_HALF; \ - x += (x >> G_SHIFT); \ - x >>= G_SHIFT; \ - x |= r << B_SHIFT; \ - x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \ - x &= RB_MASK; \ - x |= t; \ + * x_c = (x_c * a) / 255 + y_c + */ +#define UN16x4_MUL_UN16_ADD_UN16x4(x, a, y) \ + do \ + { \ + /* multiply and divide: trunc((i + 128)*257/65536) */ \ + uint64_t t = ((x & RB_MASK) * a) + RB_ONE_HALF; \ + t = (t + ((t >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ + t &= RB_MASK; \ + \ + /* add */ \ + t += y & RB_MASK; \ + \ + /* saturate */ \ + t |= RB_MASK_PLUS_ONE - ((t >> COMPONENT_SIZE) & RB_MASK); \ + t &= RB_MASK; \ + \ + /* multiply and divide */ \ + x = (((x >> COMPONENT_SIZE) & RB_MASK) * a) + RB_ONE_HALF; \ + x = (x + ((x >> COMPONENT_SIZE) & RB_MASK)) >> COMPONENT_SIZE; \ + x &= RB_MASK; \ + \ + /* add */ \ + x += (y >> COMPONENT_SIZE) & RB_MASK; \ + \ + /* saturate */ \ + x |= RB_MASK_PLUS_ONE - ((x >> COMPONENT_SIZE) & RB_MASK); \ + x &= RB_MASK; \ + \ + /* recombine */ \ + x <<= COMPONENT_SIZE; \ + x += t; \ } while (0) /* - x_c = (x_c * a + y_c *b) / 256 -*/ -#define FbByteAddMul_256(x, a, y, b) do { \ - uint64_t t = (x & RB_MASK) * a + (y & RB_MASK) * b; \ - t >>= G_SHIFT; \ - t &= RB_MASK; \ - \ - x = ((x >> G_SHIFT) & RB_MASK) * a + \ - ((y >> G_SHIFT) & RB_MASK) * b; \ - x &= AG_MASK; \ - x += t; \ + * x_c = (x_c * a + y_c * b) / 255 + */ +#define UN16x4_MUL_UN16_ADD_UN16x4_MUL_UN16(x, a, y, b) \ + do \ + { \ + uint64_t t; \ + uint64_t r = (x >> A_SHIFT) * a + (y >> A_SHIFT) * b + ONE_HALF; \ + r += (r >> G_SHIFT); \ + r >>= G_SHIFT; \ + \ + t = (x & G_MASK) * a + (y & G_MASK) * b; \ + t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \ + t >>= R_SHIFT; \ + \ + t |= r << R_SHIFT; \ + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ + t &= RB_MASK; \ + t <<= G_SHIFT; \ + \ + r = ((x >> R_SHIFT) & MASK) * a + \ + ((y >> R_SHIFT) & MASK) * b + ONE_HALF; \ + r += (r >> G_SHIFT); \ + r >>= G_SHIFT; \ + \ + x = (x & MASK) * a + (y & MASK) * b + ONE_HALF; \ + x += (x >> G_SHIFT); \ + x >>= G_SHIFT; \ + x |= r << R_SHIFT; \ + x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \ + x &= RB_MASK; \ + x |= t; \ } while (0) /* - x_c = (x_c * a_c) / 255 -*/ -#define FbByteMulC(x, a) do { \ - uint64_t t; \ - uint64_t r = (x & MASK) * (a & MASK); \ - r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \ - r += RB_ONE_HALF; \ - r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ - r &= RB_MASK; \ - \ - x >>= G_SHIFT; \ - t = (x & MASK) * ((a >> G_SHIFT) & MASK); \ - t |= (x & B_MASK) * (a >> A_SHIFT); \ - t += RB_ONE_HALF; \ - t = t + ((t >> G_SHIFT) & RB_MASK); \ - x = r | (t & AG_MASK); \ + * x_c = (x_c * a_c) / 255 + */ +#define UN16x4_MUL_UN16x4(x, a) \ + do \ + { \ + uint64_t t; \ + uint64_t r = (x & MASK) * (a & MASK); \ + r |= (x & R_MASK) * ((a >> R_SHIFT) & MASK); \ + r += RB_ONE_HALF; \ + r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ + r &= RB_MASK; \ + \ + x >>= G_SHIFT; \ + t = (x & MASK) * ((a >> G_SHIFT) & MASK); \ + t |= (x & R_MASK) * (a >> A_SHIFT); \ + t += RB_ONE_HALF; \ + t = t + ((t >> G_SHIFT) & RB_MASK); \ + x = r | (t & AG_MASK); \ } while (0) /* - x_c = (x_c * a) / 255 + y -*/ -#define FbByteMulAddC(x, a, y) do { \ - uint64_t t; \ - uint64_t r = (x & MASK) * (a & MASK); \ - r |= (x & B_MASK) * ((a >> B_SHIFT) & MASK); \ - r += RB_ONE_HALF; \ - r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ - r &= RB_MASK; \ - r += y & RB_MASK; \ - r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \ - r &= RB_MASK; \ - \ - x >>= G_SHIFT; \ - t = (x & MASK) * ((a >> G_SHIFT) & MASK); \ - t |= (x & B_MASK) * (a >> A_SHIFT); \ - t += RB_ONE_HALF; \ - t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ - t &= RB_MASK; \ - t += (y >> G_SHIFT) & RB_MASK; \ - t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ - t &= RB_MASK; \ - x = r | (t << G_SHIFT); \ + * x_c = (x_c * a_c) / 255 + y_c + */ +#define UN16x4_MUL_UN16x4_ADD_UN16x4(x, a, y) \ + do \ + { \ + uint64_t t; \ + uint64_t r = (x & MASK) * (a & MASK); \ + r |= (x & R_MASK) * ((a >> R_SHIFT) & MASK); \ + r += RB_ONE_HALF; \ + r = (r + ((r >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ + r &= RB_MASK; \ + r += y & RB_MASK; \ + r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \ + r &= RB_MASK; \ + \ + x >>= G_SHIFT; \ + t = (x & MASK) * ((a >> G_SHIFT) & MASK); \ + t |= (x & R_MASK) * (a >> A_SHIFT); \ + t += RB_ONE_HALF; \ + t = (t + ((t >> G_SHIFT) & RB_MASK)) >> G_SHIFT; \ + t &= RB_MASK; \ + t += (y >> G_SHIFT) & RB_MASK; \ + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ + t &= RB_MASK; \ + x = r | (t << G_SHIFT); \ } while (0) /* - x_c = (x_c * a_c + y_c * b) / 255 -*/ -#define FbByteAddMulC(x, a, y, b) do { \ - uint64_t t; \ - uint64_t r = (x >> A_SHIFT) * (a >> A_SHIFT) + \ - (y >> A_SHIFT) * b; \ - r += (r >> G_SHIFT) + ONE_HALF; \ - r >>= G_SHIFT; \ - \ - t = (x & G_MASK) * ((a >> G_SHIFT) & MASK) + (y & G_MASK) * b; \ - t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \ - t >>= B_SHIFT; \ - \ - t |= r << B_SHIFT; \ - t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ - t &= RB_MASK; \ - t <<= G_SHIFT; \ - \ - r = ((x >> B_SHIFT) & MASK) * ((a >> B_SHIFT) & MASK) + \ - ((y >> B_SHIFT) & MASK) * b + ONE_HALF; \ - r += (r >> G_SHIFT); \ - r >>= G_SHIFT; \ - \ - x = (x & MASK) * (a & MASK) + (y & MASK) * b + ONE_HALF; \ - x += (x >> G_SHIFT); \ - x >>= G_SHIFT; \ - x |= r << B_SHIFT; \ - x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \ - x &= RB_MASK; \ - x |= t; \ + * 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 t; \ + uint64_t r = (x >> A_SHIFT) * (a >> A_SHIFT) + \ + (y >> A_SHIFT) * b; \ + r += (r >> G_SHIFT) + ONE_HALF; \ + r >>= G_SHIFT; \ + \ + t = (x & G_MASK) * ((a >> G_SHIFT) & MASK) + (y & G_MASK) * b; \ + t += (t >> G_SHIFT) + (ONE_HALF << G_SHIFT); \ + t >>= R_SHIFT; \ + \ + t |= r << R_SHIFT; \ + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ + t &= RB_MASK; \ + t <<= G_SHIFT; \ + \ + r = ((x >> R_SHIFT) & MASK) * ((a >> R_SHIFT) & MASK) + \ + ((y >> R_SHIFT) & MASK) * b + ONE_HALF; \ + r += (r >> G_SHIFT); \ + r >>= G_SHIFT; \ + \ + x = (x & MASK) * (a & MASK) + (y & MASK) * b + ONE_HALF; \ + x += (x >> G_SHIFT); \ + x >>= G_SHIFT; \ + x |= r << R_SHIFT; \ + x |= RB_MASK_PLUS_ONE - ((x >> G_SHIFT) & RB_MASK); \ + x &= RB_MASK; \ + x |= t; \ } while (0) /* - x_c = min(x_c + y_c, 255) -*/ -#define FbByteAdd(x, y) do { \ - uint64_t t; \ - uint64_t r = (x & RB_MASK) + (y & RB_MASK); \ - r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \ - r &= RB_MASK; \ - \ - t = ((x >> G_SHIFT) & RB_MASK) + ((y >> G_SHIFT) & RB_MASK); \ - t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ - r |= (t & RB_MASK) << G_SHIFT; \ - x = r; \ + x_c = min(x_c + y_c, 255) + */ +#define UN16x4_ADD_UN16x4(x, y) \ + do \ + { \ + uint64_t t; \ + uint64_t r = (x & RB_MASK) + (y & RB_MASK); \ + r |= RB_MASK_PLUS_ONE - ((r >> G_SHIFT) & RB_MASK); \ + r &= RB_MASK; \ + \ + t = ((x >> G_SHIFT) & RB_MASK) + ((y >> G_SHIFT) & RB_MASK); \ + t |= RB_MASK_PLUS_ONE - ((t >> G_SHIFT) & RB_MASK); \ + r |= (t & RB_MASK) << G_SHIFT; \ + x = r; \ } while (0) - |