diff options
author | Kevin E Martin <kem@kem.org> | 2004-09-17 15:38:19 +0000 |
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committer | Kevin E Martin <kem@kem.org> | 2004-09-17 15:38:19 +0000 |
commit | 0e3171a83a79c1495b842daf07b3eeee4c9fd612 (patch) | |
tree | 165558ee6a9a2735616787fbc4a07f77a9af81f0 /hw/kdrive/pcmcia/pcmciarotate.c | |
parent | 516f452e78170bc643117a71bd2246a83b071316 (diff) |
Update the XORG_DATE for the release.XORG-6_8_1
Update cygwin release version.
Update documentation for release.
Diffstat (limited to 'hw/kdrive/pcmcia/pcmciarotate.c')
-rw-r--r-- | hw/kdrive/pcmcia/pcmciarotate.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/hw/kdrive/pcmcia/pcmciarotate.c b/hw/kdrive/pcmcia/pcmciarotate.c deleted file mode 100644 index 6ac7efbfd..000000000 --- a/hw/kdrive/pcmcia/pcmciarotate.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * $RCSId: xc/programs/Xserver/miext/shadow/shrotate.c,v 1.3 2001/07/21 04:13:26 keithp Exp $ - * - * Copyright © 2001 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_CONFIG_H -#include <config.h> -#endif -#include <X11/X.h> -#include "scrnintstr.h" -#include "windowstr.h" -#include "font.h" -#include "dixfontstr.h" -#include "fontstruct.h" -#include "mi.h" -#include "regionstr.h" -#include "globals.h" -#include "gcstruct.h" -#include "shadow.h" -#include "fb.h" - -/* - * These indicate which way the source (shadow) is scanned when - * walking the screen in a particular direction - */ - -#define LEFT_TO_RIGHT 1 -#define RIGHT_TO_LEFT -1 -#define TOP_TO_BOTTOM 2 -#define BOTTOM_TO_TOP -2 - -typedef CARD16 PcBits; -typedef INT32 PcStride; - -#define PC_SHIFT 4 -#define PC_UNIT (1 << PC_SHIFT) -#define PC_HALFUNIT (1 << (PC_SHIFT-1)) -#define PC_MASK (PC_UNIT - 1) -#define PC_ALLONES ((PcBits) -1) - -#define PcScrRight(x,b) FbScrRight(x,b) -#define PcScrLeft(x,b) FbScrLeft(x,b) -#define PcBitsMask(x,w) (PcScrRight(PC_ALLONES,(x) & PC_MASK) & \ - PcScrLeft(PC_ALLONES,(PC_UNIT - ((x) + (w))) & PC_MASK)) - -#define pcGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { \ - PixmapPtr _pPix; \ - if ((pDrawable)->type != DRAWABLE_PIXMAP) \ - _pPix = fbGetWindowPixmap(pDrawable); \ - else \ - _pPix = (PixmapPtr) (pDrawable); \ - (pointer) = (PcBits *) _pPix->devPrivate.ptr; \ - (stride) = ((int) _pPix->devKind) / sizeof (PcBits); \ - (bpp) = _pPix->drawable.bitsPerPixel; \ - (xoff) = 0; \ - (yoff) = 0; \ -} - -void -pcmciaUpdateRotatePacked (ScreenPtr pScreen, - shadowBufPtr pBuf) -{ - RegionPtr damage = &pBuf->damage; - PixmapPtr pShadow = pBuf->pPixmap; - int nbox = REGION_NUM_RECTS (damage); - BoxPtr pbox = REGION_RECTS (damage); - PcBits *shaBits; - PcStride shaStride; - int shaBpp; - int shaXoff, shaYoff; - int box_x1, box_x2, box_y1, box_y2; - int sha_x1, sha_y1; - int scr_x1, scr_x2, scr_y1, scr_y2, scr_w, scr_h; - int scr_x, scr_y; - int w; - int pixelsPerBits; - int pixelsMask; - PcStride shaStepOverY, shaStepDownY, shaStepOverX, shaStepDownX; - PcBits *shaLine, *sha; - int shaHeight = pShadow->drawable.height; - int shaWidth = pShadow->drawable.width; - PcBits shaMask; - int shaFirstShift, shaShift; - int o_x_dir; - int o_y_dir; - int x_dir; - int y_dir; - - pcGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff); - pixelsPerBits = (sizeof (PcBits) * 8) / shaBpp; - pixelsMask = ~(pixelsPerBits - 1); - shaMask = PcBitsMask (PC_UNIT-shaBpp, shaBpp); - /* - * Compute rotation related constants to walk the shadow - */ - o_x_dir = LEFT_TO_RIGHT; - o_y_dir = TOP_TO_BOTTOM; - if (pBuf->randr & SHADOW_REFLECT_X) - o_x_dir = -o_x_dir; - if (pBuf->randr & SHADOW_REFLECT_Y) - o_y_dir = -o_y_dir; - switch (pBuf->randr & (SHADOW_ROTATE_ALL)) { - case SHADOW_ROTATE_0: /* upper left shadow -> upper left screen */ - default: - x_dir = o_x_dir; - y_dir = o_y_dir; - break; - case SHADOW_ROTATE_90: /* upper right shadow -> upper left screen */ - x_dir = o_y_dir; - y_dir = -o_x_dir; - break; - case SHADOW_ROTATE_180: /* lower right shadow -> upper left screen */ - x_dir = -o_x_dir; - y_dir = -o_y_dir; - break; - case SHADOW_ROTATE_270: /* lower left shadow -> upper left screen */ - x_dir = -o_y_dir; - y_dir = o_x_dir; - break; - } - switch (x_dir) { - case LEFT_TO_RIGHT: - shaStepOverX = shaBpp; - shaStepOverY = 0; - break; - case TOP_TO_BOTTOM: - shaStepOverX = 0; - shaStepOverY = shaStride; - break; - case RIGHT_TO_LEFT: - shaStepOverX = -shaBpp; - shaStepOverY = 0; - break; - case BOTTOM_TO_TOP: - shaStepOverX = 0; - shaStepOverY = -shaStride; - break; - } - switch (y_dir) { - case TOP_TO_BOTTOM: - shaStepDownX = 0; - shaStepDownY = shaStride; - break; - case RIGHT_TO_LEFT: - shaStepDownX = -shaBpp; - shaStepDownY = 0; - break; - case BOTTOM_TO_TOP: - shaStepDownX = 0; - shaStepDownY = -shaStride; - break; - case LEFT_TO_RIGHT: - shaStepDownX = shaBpp; - shaStepDownY = 0; - break; - } - - while (nbox--) - { - box_x1 = pbox->x1; - box_y1 = pbox->y1; - box_x2 = pbox->x2; - box_y2 = pbox->y2; - pbox++; - - /* - * Compute screen and shadow locations for this box - */ - switch (x_dir) { - case LEFT_TO_RIGHT: - scr_x1 = box_x1 & pixelsMask; - scr_x2 = (box_x2 + pixelsPerBits - 1) & pixelsMask; - - sha_x1 = scr_x1; - break; - case TOP_TO_BOTTOM: - scr_x1 = box_y1 & pixelsMask; - scr_x2 = (box_y2 + pixelsPerBits - 1) & pixelsMask; - - sha_y1 = scr_x1; - break; - case RIGHT_TO_LEFT: - scr_x1 = (shaWidth - box_x2) & pixelsMask; - scr_x2 = (shaWidth - box_x1 + pixelsPerBits - 1) & pixelsMask; - - sha_x1 = (shaWidth - scr_x1 - 1); - break; - case BOTTOM_TO_TOP: - scr_x1 = (shaHeight - box_y2) & pixelsMask; - scr_x2 = (shaHeight - box_y1 + pixelsPerBits - 1) & pixelsMask; - - sha_y1 = (shaHeight - scr_x1 - 1); - break; - } - switch (y_dir) { - case TOP_TO_BOTTOM: - scr_y1 = box_y1; - scr_y2 = box_y2; - - sha_y1 = scr_y1; - break; - case RIGHT_TO_LEFT: - scr_y1 = (shaWidth - box_x2); - scr_y2 = (shaWidth - box_x1); - - sha_x1 = box_x2 - 1; - break; - case BOTTOM_TO_TOP: - scr_y1 = shaHeight - box_y2; - scr_y2 = shaHeight - box_y1; - - sha_y1 = box_y2 - 1; - break; - case LEFT_TO_RIGHT: - scr_y1 = box_x1; - scr_y2 = box_x2; - - sha_x1 = box_x1; - break; - } - scr_w = ((scr_x2 - scr_x1) * shaBpp) >> PC_SHIFT; - scr_h = scr_y2 - scr_y1; - scr_y = scr_y1; - - /* shift amount for first pixel on screen */ - shaFirstShift = PC_UNIT - ((sha_x1 * shaBpp) & PC_MASK) - shaBpp; - - /* pointer to shadow data first placed on screen */ - shaLine = (shaBits + - sha_y1 * shaStride + - ((sha_x1 * shaBpp) >> PC_SHIFT)); - - /* - * Copy the bits, always write across the physical frame buffer - * to take advantage of write combining. - */ - while (scr_h--) - { - int p; - PcBits bits; - PcBits *win; - int i; - CARD32 winSize; - - sha = shaLine; - shaShift = shaFirstShift; - w = scr_w; - scr_x = scr_x1 * shaBpp >> PC_SHIFT; - - while (w) - { - /* - * Map some of this line - */ - win = (PcBits *) (*pBuf->window) (pScreen, - scr_y, - scr_x << 1, - SHADOW_WINDOW_WRITE, - &winSize, - pBuf->closure); - i = (winSize >> 1); - if (i > w) - i = w; - w -= i; - scr_x += i; - /* - * Copy the portion of the line mapped - */ - while (i--) - { - bits = 0; - p = pixelsPerBits; - /* - * Build one word of output from multiple inputs - * - * Note that for 90/270 rotations, this will walk - * down the shadow hitting each scanline once. - * This is probably not very efficient. - */ - while (p--) - { - bits = PcScrLeft(bits, shaBpp); - bits |= PcScrRight (*sha, shaShift) & shaMask; - - shaShift -= shaStepOverX; - if (shaShift >= PC_UNIT) - { - shaShift -= PC_UNIT; - sha--; - } - else if (shaShift < 0) - { - shaShift += PC_UNIT; - sha++; - } - sha += shaStepOverY; - } - *win++ = bits; - } - } - scr_y++; - shaFirstShift -= shaStepDownX; - if (shaFirstShift >= PC_UNIT) - { - shaFirstShift -= PC_UNIT; - shaLine--; - } - else if (shaFirstShift < 0) - { - shaFirstShift += PC_UNIT; - shaLine++; - } - shaLine += shaStepDownY; - } - } -} |