#include "icint.h"
#ifdef ICINT_NEED_IC_ONES
int
_FbOnes (unsigned long mask)
{
register unsigned long y;
y = (mask >> 1) &033333333333;
y = mask - y - ((y >>1) & 033333333333);
return (((y + (y >> 3)) & 030707070707) % 077);
}
#endif
void
pixman_color_to_pixel (const pixman_format_t *format,
const pixman_color_t *color,
pixman_bits_t *pixel)
{
uint32_t r, g, b, a;
r = color->red >> (16 - _FbOnes (format->redMask));
g = color->green >> (16 - _FbOnes (format->greenMask));
b = color->blue >> (16 - _FbOnes (format->blueMask));
a = color->alpha >> (16 - _FbOnes (format->alphaMask));
r = r << format->red;
g = g << format->green;
b = b << format->blue;
a = a << format->alpha;
*pixel = r|g|b|a;
}
slim_hidden_def(pixman_color_to_pixel);
static uint16_t
FbFillColor (uint32_t pixel, int bits)
{
while (bits < 16)
{
pixel |= pixel << bits;
bits <<= 1;
}
return (uint16_t) pixel;
}
void
pixman_pixel_to_color (const pixman_format_t *format,
const pixman_bits_t pixel,
pixman_color_t *color)
{
uint32_t r, g, b, a;
r = (pixel >> format->red) & format->redMask;
g = (pixel >> format->green) & format->greenMask;
b = (pixel >> format->blue) & format->blueMask;
a = (pixel >> format->alpha) & format->alphaMask;
color->red = FbFillColor (r, _FbOnes (format->redMask));
color->green = FbFillColor (r, _FbOnes (format->greenMask));
color->blue = FbFillColor (r, _FbOnes (format->blueMask));
color->alpha = FbFillColor (r, _FbOnes (format->alphaMask));
}