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Diffstat (limited to 'hw/kdrive/pcmcia/pcmciarotate.c')
-rw-r--r--hw/kdrive/pcmcia/pcmciarotate.c335
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;
- }
- }
-}
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