int
diofb_mono_windowmove(struct diofb *fb, u_int16_t sx, u_int16_t sy,
u_int16_t dx, u_int16_t dy, u_int16_t cx, u_int16_t cy, int16_t rop,
int16_t planemask /* ignored */)
{
int width; /* add to get to same position in next line */
unsigned int *psrcLine, *pdstLine;
/* pointers to line with current src and dst */
unsigned int *psrc; /* pointer to current src longword */
unsigned int *pdst; /* pointer to current dst longword */
/* following used for looping through a line */
unsigned int startmask, endmask; /* masks for writing ends of dst */
int nlMiddle; /* whole longwords in dst */
int nl; /* temp copy of nlMiddle */
int xoffSrc; /* offset (>= 0, < 32) from which to
fetch whole longwords fetched in src */
int nstart; /* number of ragged bits at start of dst */
int nend; /* number of ragged bits at end of dst */
int srcStartOver; /* pulling nstart bits from src
overflows into the next word? */
width = fb->fbwidth >> 5;
if (sy < dy) { /* start at last scanline of rectangle */
psrcLine = ((u_int *)fb->fbkva) + ((sy + cy - 1) * width);
pdstLine = ((u_int *)fb->fbkva) + ((dy + cy - 1) * width);
width = -width;
} else { /* start at first scanline */
psrcLine = ((u_int *)fb->fbkva) + (sy * width);
pdstLine = ((u_int *)fb->fbkva) + (dy * width);
}
/* x direction doesn't matter for < 1 longword */
if (cx <= 32) {
int srcBit, dstBit; /* bit offset of src and dst */
pdstLine += (dx >> 5);
psrcLine += (sx >> 5);
psrc = psrcLine;
pdst = pdstLine;
srcBit = sx & 0x1f;
dstBit = dx & 0x1f;
while (cy--) {
getandputrop(psrc, srcBit, dstBit, cx, pdst, rop);
pdst += width;
psrc += width;
}
} else {
void
ite_dio_windowmove1bpp(struct ite_data *ip, int sy, int sx, int dy, int dx,
int h, int w, int func)
{
int width; /* add to get to same position in next line */
unsigned int *psrcLine, *pdstLine;
/* pointers to line with current src and dst */
unsigned int *psrc; /* pointer to current src longword */
unsigned int *pdst; /* pointer to current dst longword */
/* following used for looping through a line */
unsigned int startmask, endmask; /* masks for writing ends of dst */
int nlMiddle; /* whole longwords in dst */
int nl; /* temp copy of nlMiddle */
unsigned int tmpSrc; /* place to store full source word */
int xoffSrc; /* offset (>= 0, < 32) from which to
fetch whole longwords fetched
in src */
int nstart; /* number of ragged bits at start of dst */
int nend; /* number of ragged bits at end of dst */
int srcStartOver; /* pulling nstart bits from src
overflows into the next word? */
if (h == 0 || w == 0)
return;
width = ip->fbwidth >> 5;
psrcLine = ((unsigned int *) ip->fbbase) + (sy * width);
pdstLine = ((unsigned int *) ip->fbbase) + (dy * width);
/* x direction doesn't matter for < 1 longword */
if (w <= 32) {
int srcBit, dstBit; /* bit offset of src and dst */
pdstLine += (dx >> 5);
psrcLine += (sx >> 5);
psrc = psrcLine;
pdst = pdstLine;
srcBit = sx & 0x1f;
dstBit = dx & 0x1f;
while (h--) {
getandputrop(psrc, srcBit, dstBit, w, pdst, func);
pdst += width;
psrc += width;
}
} else {
