SvgaLib/gl/mem.c

23 lines
699 B
C

#include <stdio.h>
/*
* Copies pixels from 4-byte-per-pixel screen to 3-byte-per-pixel screen,
*
* discarding the last byte of each pixel. Only uses 32-bit aligned word
* accesses. Instructions have been shuffled a bit for possible
* avoidance of pipeline hazards.
*/
void __svgalib_memcpy4to3(void *dest, void *src, int n)
{
printf("libgl: __svgalib_memcpy4to3 not done yet\n");
}
/*
* Copies pixels from 4-byte-per-pixel screen organized as BGR0 to
* 0BGR 4-byte-per-pixel screen.
* Used by copyscreen for ATI mach32 32-bit truecolor modes.
*/
void __svgalib_memcpy32shift8(void *dest, void *src, int n)
{
printf("libgl: __svgalib_memcpy32shift8 not done yet\n");
}