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d03c830039
For safety, add extra parantheses on each used macro argument. In most cases not strictly necessary, but better have some strict and automatically enforcable policy here than wasting time on judging individual cases. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#define FbSelectPart(xor,o,t) (xor)
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#include <dix-config.h>
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#include "fb.h"
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void
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fbSolid(FbBits * dst,
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FbStride dstStride,
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int dstX, int bpp, int width, int height, FbBits and, FbBits xor)
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{
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FbBits startmask, endmask;
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int n, nmiddle;
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int startbyte, endbyte;
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dst += dstX >> FB_SHIFT;
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dstX &= FB_MASK;
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FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte,
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nmiddle, endmask, endbyte);
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if (startmask)
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dstStride--;
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dstStride -= nmiddle;
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while (height--) {
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if (startmask) {
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FbDoLeftMaskByteRRop(dst, startbyte, startmask, and, xor);
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dst++;
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}
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n = nmiddle;
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if (!and)
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while (n--)
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WRITE(dst++, xor);
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else
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while (n--) {
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WRITE(dst, FbDoRRop(READ(dst), and, xor));
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dst++;
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}
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if (endmask)
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FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor);
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dst += dstStride;
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}
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}
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