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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 "fbclip.h"
static void
fbSolid(FbBits * dst,
FbStride dstStride,
int dstX, int bpp, int width, int height, FbBits and, FbBits xor)
{
FbBits startmask, endmask;
int n, nmiddle;
int startbyte, endbyte;
dst += dstX >> FB_SHIFT;
dstX &= FB_MASK;
FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte,
nmiddle, endmask, endbyte);
if (startmask)
dstStride--;
dstStride -= nmiddle;
while (height--) {
if (startmask) {
FbDoLeftMaskByteRRop(dst, startbyte, startmask, and, xor);
dst++;
}
n = nmiddle;
if (!and)
while (n--)
WRITE(dst++, xor);
else
while (n--) {
WRITE(dst, FbDoRRop(READ(dst), and, xor));
dst++;
}
if (endmask)
FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor);
dst += dstStride;
}
}
void
fbFill(DrawablePtr drawable, GCPtr gc, int x, int y, int width, int height)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbGCPrivPtr pgc = fb_gc(gc);
DBG(("%s (%d, %d)x(%d, %d), style=%d\n",
__FUNCTION__, x, y, width, height, gc->fillStyle));
fbGetDrawable(drawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (gc->fillStyle) {
case FillSolid:
if (pgc->and ||
!pixman_fill((uint32_t *) dst, dstStride, dstBpp,
x + dstXoff, y + dstYoff,
width, height, pgc->xor))
fbSolid(dst + (y + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
dstBpp, width * dstBpp, height, pgc->and, pgc->xor);
break;
case FillStippled:
case FillOpaqueStippled:
{
PixmapPtr pStip = gc->stipple;
int stipWidth = pStip->drawable.width;
int stipHeight = pStip->drawable.height;
if (dstBpp == 1) {
int alu;
FbBits *stip;
FbStride stipStride;
int stipBpp;
_X_UNUSED int stipXoff, stipYoff;
if (gc->fillStyle == FillStippled)
alu = FbStipple1Rop(gc->alu, gc->fgPixel);
else
alu = FbOpaqueStipple1Rop(gc->alu, gc->fgPixel, gc->bgPixel);
fbGetDrawable(&pStip->drawable, stip, stipStride, stipBpp, stipXoff,
stipYoff);
fbTile(dst + (y + dstYoff) * dstStride, dstStride, x + dstXoff,
width, height, stip, stipStride, stipWidth, stipHeight, alu,
pgc->pm, dstBpp, (gc->patOrg.x + drawable->x + dstXoff),
gc->patOrg.y + drawable->y - y);
} else {
FbStip *stip;
FbStride stipStride;
int stipBpp;
_X_UNUSED int stipXoff, stipYoff;
FbBits fgand, fgxor, bgand, bgxor;
fgand = pgc->and;
fgxor = pgc->xor;
if (gc->fillStyle == FillStippled) {
bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES);
bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES);
} else {
bgand = pgc->bgand;
bgxor = pgc->bgxor;
}
fbGetStipDrawable(&pStip->drawable, stip, stipStride, stipBpp,
stipXoff, stipYoff);
fbStipple(dst + (y + dstYoff) * dstStride, dstStride,
(x + dstXoff) * dstBpp, dstBpp, width * dstBpp, height,
stip, stipStride, stipWidth, stipHeight,
pgc->evenStipple, fgand, fgxor, bgand, bgxor,
gc->patOrg.x + drawable->x + dstXoff,
gc->patOrg.y + drawable->y - y);
}
break;
}
case FillTiled:
{
PixmapPtr tile = gc->tile.pixmap;
fbTile(dst + (y + dstYoff) * dstStride, dstStride,
(x + dstXoff) * dstBpp, width * dstBpp, height,
tile->devPrivate.ptr, tile->devKind / sizeof(FbBits),
tile->drawable.width * tile->drawable.bitsPerPixel,
tile->drawable.height,
gc->alu, pgc->pm, dstBpp,
(gc->patOrg.x + drawable->x + dstXoff) * dstBpp,
gc->patOrg.y + drawable->y - y);
break;
}
}
}
static void
_fbSolidBox(DrawablePtr drawable, GCPtr gc, const BoxRec *b, void *_data)
{
FbBits *dst;
FbStride stride;
int dx, dy, bpp;
FbBits and = fbAnd(GXcopy, fb_gc(gc)->bg, fb_gc(gc)->pm);
FbBits xor = fbXor(GXcopy, fb_gc(gc)->bg, fb_gc(gc)->pm);
fbGetDrawable(drawable, dst, stride, bpp, dx, dy);
if (and ||
!pixman_fill((uint32_t *) dst, stride, bpp,
b->x1 + dx, b->y1 + dy,
(b->x2 - b->x1), (b->y2 - b->y1), xor))
fbSolid(dst + (b->y1 + dy) * stride, stride,
(b->x1 + dx) * bpp, bpp,
(b->x2 - b->x1) * bpp, (b->y2 - b->y1),
and, xor);
}
void
fbSolidBoxClipped(DrawablePtr drawable, GCPtr gc,
int x1, int y1, int x2, int y2)
{
BoxRec box;
box.x1 = x1;
box.y1 = y1;
box.x2 = x2;
box.y2 = y2;
fbDrawableRun(drawable, gc, &box, _fbSolidBox, NULL);
}
inline static void
fbFillBox(DrawablePtr drawable, GCPtr gc, const BoxRec *box, void *data)
{
DBG(("%s box=(%d, %d), (%d, %d)\n", __FUNCTION__,
box->x1, box->y1, box->x2, box->y2));
fbFill(drawable, gc,
box->x1, box->y1,
box->x2 - box->x1, box->y2 - box->y1);
}
void
fbPolyFillRect(DrawablePtr drawable, GCPtr gc, int n, xRectangle *r)
{
DBG(("%s x %d\n", __FUNCTION__, n));
while (n--) {
BoxRec b;
b.x1 = r->x + drawable->x;
b.y1 = r->y + drawable->y;
b.x2 = fbBound(b.x1, r->width);
b.y2 = fbBound(b.y1, r->height);
r++;
DBG(("%s: rectangle (%d, %d), (%d, %d)\n",
__FUNCTION__, b.x1, b.y1, b.x2, b.y2));
fbDrawableRun(drawable, gc, &b, fbFillBox, NULL);
}
}
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