diff options
Diffstat (limited to 'nx-X11/programs/Xserver/miext/shadow/shplanar8.c')
| -rw-r--r-- | nx-X11/programs/Xserver/miext/shadow/shplanar8.c | 174 |
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++; - } -} - |