efl/legacy/evas/src/lib/engines/common/evas_convert_grypal_6.c

28 lines
658 B
C

/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#include "evas_common.h"
#include "evas_convert_grypal_6.h"
#ifdef BUILD_CONVERT_8_GRAYSCALE_64
void evas_common_convert_rgba_to_8bpp_pal_gray64(DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x __UNUSED__, int dith_y __UNUSED__, DATA8 *pal)
{
DATA32 *src_ptr;
DATA8 *dst_ptr;
int x, y;
DATA8 Y;
dst_ptr = dst;
CONVERT_LOOP_START_ROT_0();
/* RGB -> YUV conversion */
Y = ((R_VAL(src_ptr) * 76) +
(G_VAL(src_ptr) * 151) +
(B_VAL(src_ptr) * 29)) >> 10;
*dst_ptr = pal[Y];
CONVERT_LOOP_END_ROT_0();
}
#endif