64 lines
2.6 KiB
C
64 lines
2.6 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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "fb.h"
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FbBits
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fbReplicatePixel(Pixel p, int bpp)
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{
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FbBits b = p;
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b &= FbFullMask(bpp);
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while (bpp < FB_UNIT) {
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b |= b << bpp;
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bpp <<= 1;
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}
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return b;
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}
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#define O 0
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#define I FB_ALLONES
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const FbMergeRopRec FbMergeRopBits[16] = {
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{O, O, O, O}, /* clear 0x0 0 */
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{I, O, O, O}, /* and 0x1 src AND dst */
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{I, O, I, O}, /* andReverse 0x2 src AND NOT dst */
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{O, O, I, O}, /* copy 0x3 src */
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{I, I, O, O}, /* andInverted 0x4 NOT src AND dst */
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{O, I, O, O}, /* noop 0x5 dst */
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{O, I, I, O}, /* xor 0x6 src XOR dst */
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{I, I, I, O}, /* or 0x7 src OR dst */
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{I, I, I, I}, /* nor 0x8 NOT src AND NOT dst */
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{O, I, I, I}, /* equiv 0x9 NOT src XOR dst */
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{O, I, O, I}, /* invert 0xa NOT dst */
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{I, I, O, I}, /* orReverse 0xb src OR NOT dst */
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{O, O, I, I}, /* copyInverted 0xc NOT src */
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{I, O, I, I}, /* orInverted 0xd NOT src OR dst */
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{I, O, O, I}, /* nand 0xe NOT src OR NOT dst */
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{O, O, O, I}, /* set 0xf 1 */
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};
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