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Diffstat (limited to 'nx-X11/programs/Xserver/miext/shadow/shplanar8.c')
-rw-r--r--nx-X11/programs/Xserver/miext/shadow/shplanar8.c174
1 files changed, 0 insertions, 174 deletions
diff --git a/nx-X11/programs/Xserver/miext/shadow/shplanar8.c b/nx-X11/programs/Xserver/miext/shadow/shplanar8.c
deleted file mode 100644
index f1d87dc50..000000000
--- a/nx-X11/programs/Xserver/miext/shadow/shplanar8.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * $XFree86: xc/programs/Xserver/miext/shadow/shplanar8.c,v 1.3 2001/05/29 04:54:13 keithp Exp $
- *
- * Copyright © 2000 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 <X11/X.h>
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include <X11/fonts/font.h>
-#include "dixfontstr.h"
-#include <X11/fonts/fontstruct.h>
-#include "mi.h"
-#include "regionstr.h"
-#include "globals.h"
-#include "gcstruct.h"
-#include "shadow.h"
-#include "fb.h"
-
-/*
- * Expose 8bpp depth 4
- */
-
-/*
- * 32->8 conversion:
- *
- * 7 6 5 4 3 2 1 0
- * A B C D E F G H
- *
- * 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
- * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- * m1 D x x x x x x x C x x x x x x x B x x x x x x x A x x x x x x x sha[0] << (7-(p))
- * m2 x x x x H x x x x x x x G x x x x x x x F x x x x x x x E x x x sha[1] << (3-(p))
- * m3 D C B A m1 & 0x80808080
- * m4 H G F E m2 & 0x08080808
- * m5 D H C G B F A E m3 | m4
- * m6 D H C G B F m5 >> 9
- * m7 D H C D G H B C F G A B E F m5 | m6
- * m8 D H C D G H m7 >> 18
- * m9 D H C D G H B C D F G H A B C D E F G H m7 | m8
- */
-
-#define PL_SHIFT 8
-#define PL_UNIT (1 << PL_SHIFT)
-#define PL_MASK (PL_UNIT - 1)
-
-#if 0
-#define GetBits(p,o,d) { \
- CARD32 m1,m2,m3,m4,m5,m6,m7,m8; \
- m1 = sha[o] << (7 - (p)); \
- m2 = sha[(o)+1] << (3 - (p)); \
- m3 = m1 & 0x80808080; \
- m4 = m2 & 0x08080808; \
- m5 = m3 | m4; \
- m6 = m5 >> 9; \
- m7 = m5 | m6; \
- m8 = m7 >> 18; \
- d = m7 | m8; \
-}
-#else
-#define GetBits(p,o,d) { \
- CARD32 m5,m7; \
- m5 = ((sha[o] << (7 - (p))) & 0x80808080) | ((sha[(o)+1] << (3 - (p))) & 0x08080808); \
- m7 = m5 | (m5 >> 9); \
- d = m7 | (m7 >> 18); \
-}
-#endif
-
-void
-shadowUpdatePlanar4x8 (ScreenPtr pScreen,
- shadowBufPtr pBuf)
-{
- RegionPtr damage = &pBuf->damage;
- PixmapPtr pShadow = pBuf->pPixmap;
- int nbox = REGION_NUM_RECTS (damage);
- BoxPtr pbox = REGION_RECTS (damage);
- CARD32 *shaBase, *shaLine, *sha;
- CARD8 s1, s2, s3, s4;
- FbStride shaStride;
- int scrBase, scrLine, scr;
- int shaBpp;
- int shaXoff, shaYoff; /* XXX assumed to be zero */
- int x, y, w, h, width;
- int i;
- CARD32 *winBase = NULL, *win;
- CARD32 winSize;
- int plane;
-
- fbGetStipDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
- while (nbox--)
- {
- x = pbox->x1 * shaBpp;
- y = pbox->y1;
- w = (pbox->x2 - pbox->x1) * shaBpp;
- h = pbox->y2 - pbox->y1;
-
- w = (w + (x & PL_MASK) + PL_MASK) >> PL_SHIFT;
- x &= ~PL_MASK;
-
- scrLine = (x >> PL_SHIFT);
- shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
-
- while (h--)
- {
- for (plane = 0; plane < 4; plane++)
- {
- width = w;
- scr = scrLine;
- sha = shaLine;
- winSize = 0;
- scrBase = 0;
- while (width) {
- /* how much remains in this window */
- i = scrBase + winSize - scr;
- if (i <= 0 || scr < scrBase)
- {
- winBase = (CARD32 *) (*pBuf->window) (pScreen,
- y,
- (scr << 4) | (plane),
- SHADOW_WINDOW_WRITE,
- &winSize,
- pBuf->closure);
- if(!winBase)
- return;
- winSize >>= 2;
- scrBase = scr;
- i = winSize;
- }
- win = winBase + (scr - scrBase);
- if (i > width)
- i = width;
- width -= i;
- scr += i;
-
- while (i--)
- {
- GetBits(plane,0,s1);
- GetBits(plane,2,s2);
- GetBits(plane,4,s3);
- GetBits(plane,6,s4);
- *win++ = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
- sha += 8;
- }
- }
- }
- shaLine += shaStride;
- y++;
- }
- pbox++;
- }
-}
-