diff options
Diffstat (limited to 'xorg-server/miext/shadow/shrotpackYX.h')
| -rw-r--r-- | xorg-server/miext/shadow/shrotpackYX.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/xorg-server/miext/shadow/shrotpackYX.h b/xorg-server/miext/shadow/shrotpackYX.h new file mode 100644 index 000000000..8ef70f167 --- /dev/null +++ b/xorg-server/miext/shadow/shrotpackYX.h @@ -0,0 +1,160 @@ +/* + * Copyright © 2004 Philip Blundell + * + * 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 Philip Blundell not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Philip Blundell makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * PHILIP BLUNDELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL PHILIP BLUNDELL 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. + */ + +#include <X11/X.h> +#include "scrnintstr.h" +#include "windowstr.h" +#include "dixfontstr.h" +#include "mi.h" +#include "regionstr.h" +#include "globals.h" +#include "gcstruct.h" +#include "shadow.h" +#include "fb.h" + +#if ROTATE == 270 + +#define WINSTEPX(stride) (stride) +#define WINSTART(x,y) (((pScreen->height - 1) - y) + (x * winStride)) +#define WINSTEPY() -1 + +#elif ROTATE == 90 + +#define WINSTEPX(stride) (-stride) +#define WINSTEPY() 1 +#define WINSTART(x,y) (((pScreen->width - 1 - x) * winStride) + y) + +#else + +#error This rotation is not supported here + +#endif + +#ifdef __arm__ +#define PREFETCH +#endif + +void +FUNC (ScreenPtr pScreen, + shadowBufPtr pBuf); + +void +FUNC (ScreenPtr pScreen, + shadowBufPtr pBuf) +{ + RegionPtr damage = shadowDamage(pBuf); + PixmapPtr pShadow = pBuf->pPixmap; + int nbox = REGION_NUM_RECTS (damage); + BoxPtr pbox = REGION_RECTS (damage); + FbBits *shaBits; + Data *shaBase, *shaLine, *sha; + FbStride shaStride, winStride; + int shaBpp; + int shaXoff, shaYoff; /* XXX assumed to be zero */ + int x, y, w, h; + Data *winBase, *win, *winLine; + CARD32 winSize; + + fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff); + shaBase = (Data *) shaBits; + shaStride = shaStride * sizeof (FbBits) / sizeof (Data); + + winBase = (Data *) (*pBuf->window) (pScreen, 0, 0, + SHADOW_WINDOW_WRITE, + &winSize, pBuf->closure); + winStride = (Data *) (*pBuf->window) (pScreen, 1, 0, + SHADOW_WINDOW_WRITE, + &winSize, pBuf->closure) - winBase; + + while (nbox--) + { + x = pbox->x1; + y = pbox->y1; + w = (pbox->x2 - pbox->x1); + h = pbox->y2 - pbox->y1; + + shaLine = shaBase + (y * shaStride) + x; +#ifdef PREFETCH + __builtin_prefetch (shaLine); +#endif + winLine = winBase + WINSTART(x, y); + + while (h--) + { + sha = shaLine; + win = winLine; + + while (sha < (shaLine + w - 16)) + { +#ifdef PREFETCH + __builtin_prefetch (sha + shaStride); +#endif + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + *win = *sha++; + win += WINSTEPX(winStride); + } + + while (sha < (shaLine + w)) + { + *win = *sha++; + win += WINSTEPX(winStride); + } + + y++; + shaLine += shaStride; + winLine += WINSTEPY(); + } + pbox++; + } /* nbox */ +} |