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/*
* Accelerated rootless fill
*/
/*
* This code is largely copied from fbsolid.c.
*
* Copyright © 1998 Keith Packard
* Copyright (c) 2002 Apple Computer, Inc. All Rights Reserved.
* Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
*
* 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.
*/
/* $XFree86: xc/programs/Xserver/fb/fbsolid.c,v 1.8 2001/10/28 03:33:08 tsi Exp $ */
#include "fb.h"
#include "rootlessCommon.h"
void
rlSolid (ScreenPtr pScreen,
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;
#ifdef FB_24BIT
if (bpp == 24 && (!FbCheck24Pix(and) || !FbCheck24Pix(xor)))
{
fbSolid24 (dst, dstStride, dstX, width, height, and, xor);
return;
}
#endif
dst += dstX >> FB_SHIFT;
dstX &= FB_MASK;
FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte,
nmiddle, endmask, endbyte);
/*
* Beginning of the rootless acceleration code
*/
if (!startmask && !endmask && !and &&
height * nmiddle * sizeof (*dst) > rootless_FillBytes_threshold &&
SCREENREC(pScreen)->imp->FillBytes)
{
if (bpp <= 8)
xor |= xor << 8;
if (bpp <= 16)
xor |= xor << 16;
SCREENREC(pScreen)->imp->FillBytes(nmiddle * sizeof (*dst), height,
xor, (char *) dst + (dstX >> 3),
dstStride * sizeof (*dst));
return;
}
/* End of the rootless acceleration code */
if (startmask)
dstStride--;
dstStride -= nmiddle;
while (height--)
{
if (startmask)
{
FbDoLeftMaskByteRRop(dst,startbyte,startmask,and,xor);
dst++;
}
n = nmiddle;
if (!and)
while (n--)
*dst++ = xor;
else
while (n--)
{
*dst = FbDoRRop (*dst, and, xor);
dst++;
}
if (endmask)
FbDoRightMaskByteRRop(dst,endbyte,endmask,and,xor);
dst += dstStride;
}
}
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