mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-28 09:19:41 +03:00
231 lines
5.7 KiB
C
231 lines
5.7 KiB
C
/* 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) * (b) + ONE_HALF, ((((t) >> G_SHIFT ) + (t) ) >> G_SHIFT ))
|
|
|
|
#define DIV_UN16(a, b) \
|
|
(((uint32_t) (a) * MASK) / (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)
|