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/*
* Copyright © 1998 Keith Packard
* Copyright © 2012 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "fb.h"
#include <micoord.h>
#define DOTS fbDots8
#define DOTS__SIMPLE fbDots8__simple
#define BITS BYTE
#include "fbpointbits.h"
#undef BITS
#undef DOTS__SIMPLE
#undef DOTS
#define DOTS fbDots16
#define DOTS__SIMPLE fbDots16__simple
#define BITS CARD16
#include "fbpointbits.h"
#undef BITS
#undef DOTS__SIMPLE
#undef DOTS
#define DOTS fbDots32
#define DOTS__SIMPLE fbDots32__simple
#define BITS CARD32
#include "fbpointbits.h"
#undef BITS
#undef DOTS__SIMPLE
#undef DOTS
static void
fbDots(FbBits *dstOrig, FbStride dstStride, int dstBpp,
RegionPtr clip,
xPoint *pts, int n,
int xorg, int yorg,
int xoff, int yoff,
FbBits andOrig, FbBits xorOrig)
{
FbStip *dst = (FbStip *) dstOrig;
FbStip and = andOrig;
FbStip xor = xorOrig;
while (n--) {
int x = pts->x + xorg;
int y = pts->y + yorg;
pts++;
if (RegionContainsPoint(clip, x, y, NULL)) {
FbStip mask;
FbStip *d;
x = (x + xoff) * dstBpp;
d = dst + ((y + yoff) * dstStride) + (x >> FB_STIP_SHIFT);
x &= FB_STIP_MASK;
mask = FbStipMask(x, dstBpp);
WRITE(d, FbDoMaskRRop(READ(d), and, xor, mask));
}
}
}
void
fbPolyPoint(DrawablePtr drawable, GCPtr gc,
int mode, int n, xPoint *pt, unsigned flags)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
void (*dots)(FbBits *dst, FbStride dstStride, int dstBpp,
RegionPtr clip,
xPoint *pts, int n,
int xorg, int yorg,
int xoff, int yoff,
FbBits and, FbBits xor);
DBG(("%s x %d, clip=[(%d, %d), (%d, %d)]x%d\n", __FUNCTION__, n,
gc->pCompositeClip->extents.x1, gc->pCompositeClip->extents.y1,
gc->pCompositeClip->extents.x2, gc->pCompositeClip->extents.y2,
RegionNumRects(gc->pCompositeClip)));
if (mode == CoordModePrevious)
fbFixCoordModePrevious(n, pt);
fbGetDrawable(drawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
dots = fbDots;
if ((flags & 2) == 0 && fb_gc(gc)->and == 0) {
switch (dstBpp) {
case 8:
dots = fbDots8__simple;
break;
case 16:
dots = fbDots16__simple;
break;
case 32:
dots = fbDots32__simple;
break;
}
} else {
switch (dstBpp) {
case 8:
dots = fbDots8;
break;
case 16:
dots = fbDots16;
break;
case 32:
dots = fbDots32;
break;
}
}
dots(dst, dstStride, dstBpp, gc->pCompositeClip, pt, n,
drawable->x, drawable->y, dstXoff, dstYoff,
fb_gc(gc)->and, fb_gc(gc)->xor);
}
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