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| /*
| * Copyright © 1998 Keith Packard
| *
| * 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.
| */
|
| #ifdef HAVE_DIX_CONFIG_H
| #include <dix-config.h>
| #endif
|
| #include "fb.h"
|
| FbBits
| fbReplicatePixel(Pixel p, int bpp)
| {
| FbBits b = p;
|
| b &= FbFullMask(bpp);
| while (bpp < FB_UNIT) {
| b |= b << bpp;
| bpp <<= 1;
| }
| return b;
| }
|
| #define O 0
| #define I FB_ALLONES
|
| const FbMergeRopRec FbMergeRopBits[16] = {
| {O, O, O, O}, /* clear 0x0 0 */
| {I, O, O, O}, /* and 0x1 src AND dst */
| {I, O, I, O}, /* andReverse 0x2 src AND NOT dst */
| {O, O, I, O}, /* copy 0x3 src */
| {I, I, O, O}, /* andInverted 0x4 NOT src AND dst */
| {O, I, O, O}, /* noop 0x5 dst */
| {O, I, I, O}, /* xor 0x6 src XOR dst */
| {I, I, I, O}, /* or 0x7 src OR dst */
| {I, I, I, I}, /* nor 0x8 NOT src AND NOT dst */
| {O, I, I, I}, /* equiv 0x9 NOT src XOR dst */
| {O, I, O, I}, /* invert 0xa NOT dst */
| {I, I, O, I}, /* orReverse 0xb src OR NOT dst */
| {O, O, I, I}, /* copyInverted 0xc NOT src */
| {I, O, I, I}, /* orInverted 0xd NOT src OR dst */
| {I, O, O, I}, /* nand 0xe NOT src OR NOT dst */
| {O, O, O, I}, /* set 0xf 1 */
| };
|
|
