diff options
Diffstat (limited to 'xorg-server/afb/afbimage.c')
| -rw-r--r-- | xorg-server/afb/afbimage.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/xorg-server/afb/afbimage.c b/xorg-server/afb/afbimage.c deleted file mode 100644 index 890429fe6..000000000 --- a/xorg-server/afb/afbimage.c +++ /dev/null @@ -1,272 +0,0 @@ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include <X11/X.h> -#include "windowstr.h" -#include "pixmapstr.h" -#include "scrnintstr.h" -#include "gcstruct.h" -#include "afb.h" -#include "maskbits.h" -#include "servermd.h" -#include "mfb.h" - -void -afbPutImage(pDraw, pGC, depth, x, y, width, height, leftPad, format, pImage) - DrawablePtr pDraw; - GCPtr pGC; - int depth, x, y, width, height; - int leftPad; - int format; - char *pImage; -{ - PixmapPtr pPixmap; - - if ((width == 0) || (height == 0)) - return; - - if (format != ZPixmap || depth == 1 || pDraw->depth == 1) { - pPixmap = GetScratchPixmapHeader(pDraw->pScreen, width+leftPad, height, - depth, depth, - BitmapBytePad(width+leftPad), - (pointer)pImage); - if (!pPixmap) - return; - - pGC->fExpose = FALSE; - if (format == XYBitmap) - (void)(*pGC->ops->CopyPlane)((DrawablePtr)pPixmap, pDraw, pGC, leftPad, - 0, width, height, x, y, 1); - else { - (void)(*pGC->ops->CopyArea)((DrawablePtr)pPixmap, pDraw, pGC, leftPad, - 0, width, height, x, y); - } - - pGC->fExpose = TRUE; - FreeScratchPixmapHeader(pPixmap); - } else { - /* Chunky to planar conversion required */ - - PixmapPtr pPixmap; - ScreenPtr pScreen = pDraw->pScreen; - int widthSrc; - int start_srcshift; - register int b; - register int dstshift; - register int shift_step; - register PixelType dst; - register PixelType srcbits; - register PixelType *pdst; - register PixelType *psrc; - int start_bit; - register int nl; - register int h; - register int d; - int sizeDst; - PixelType *pdstBase; - int widthDst; - int depthDst; - - /* Create a tmp pixmap */ - pPixmap = (pScreen->CreatePixmap)(pScreen, width, height, depth, - CREATE_PIXMAP_USAGE_SCRATCH); - if (!pPixmap) - return; - - afbGetPixelWidthSizeDepthAndPointer((DrawablePtr)pPixmap, widthDst, - sizeDst, depthDst, pdstBase); - - widthSrc = PixmapWidthInPadUnits(width, depth); - /* XXX: if depth == 8, use fast chunky to planar assembly function.*/ - if (depth > 4) { - start_srcshift = 24; - shift_step = 8; - } else { - start_srcshift = 28; - shift_step = 4; - } - - for (d = 0; d < depth; d++, pdstBase += sizeDst) { /* @@@ NEXT PLANE @@@ */ - start_bit = start_srcshift + d; - psrc = (PixelType *)pImage; - pdst = pdstBase; - h = height; - - while (h--) { - dstshift = PPW - 1; - dst = 0; - nl = widthSrc; - while (nl--) { - srcbits = *psrc++; - for (b = start_bit; b >= 0; b -= shift_step) { - dst |= ((srcbits >> b) & 1) << dstshift; - if (--dstshift < 0) { - dstshift = PPW - 1; - *pdst++ = dst; - dst = 0; - } - } - } - if (dstshift != PPW - 1) - *pdst++ = dst; - } - } /* for (d = ...) */ - - pGC->fExpose = FALSE; - (void)(*pGC->ops->CopyArea)((DrawablePtr)pPixmap, pDraw, pGC, leftPad, 0, - width, height, x, y); - pGC->fExpose = TRUE; - (*pScreen->DestroyPixmap)(pPixmap); - } -} - -void -afbGetImage(pDrawable, sx, sy, width, height, format, planemask, pdstLine) - DrawablePtr pDrawable; - int sx, sy, width, height; - unsigned int format; - unsigned long planemask; - char *pdstLine; -{ - BoxRec box; - DDXPointRec ptSrc; - RegionRec rgnDst; - ScreenPtr pScreen; - PixmapPtr pPixmap; - - if ((width == 0) || (height == 0)) - return; - - pScreen = pDrawable->pScreen; - sx += pDrawable->x; - sy += pDrawable->y; - - if (format == XYPixmap || pDrawable->depth == 1) { - pPixmap = GetScratchPixmapHeader(pScreen, width, height, 1, 1, - BitmapBytePad(width), (pointer)pdstLine); - if (!pPixmap) - return; - - ptSrc.x = sx; - ptSrc.y = sy; - box.x1 = 0; - box.y1 = 0; - box.x2 = width; - box.y2 = height; - REGION_INIT(pScreen, &rgnDst, &box, 1); - - pPixmap->drawable.depth = 1; - pPixmap->drawable.bitsPerPixel = 1; - /* dix layer only ever calls GetImage with 1 bit set in planemask - * when format is XYPixmap. - */ - afbDoBitblt(pDrawable, (DrawablePtr)pPixmap, GXcopy, &rgnDst, &ptSrc, - planemask); - - FreeScratchPixmapHeader(pPixmap); - REGION_UNINIT(pScreen, &rgnDst); - } else { - /* Planar to chunky conversion required */ - - PixelType *psrcBits; - PixelType *psrcLine; - PixelType startmask, endmask; - int depthSrc; - int widthSrc; - int sizeSrc; - int sizeDst; - int widthDst; - register PixelType *psrc; - register PixelType *pdst; - register PixelType dst; - register PixelType srcbits; - register int d; - register int b; - register int dstshift; - register int shift_step; - register int start_endbit; - int start_startbit; - register int end_endbit = 0; - register int start_dstshift; - register int nl; - register int h; - int nlmiddle; - - widthDst = PixmapWidthInPadUnits(width, pDrawable->depth); - sizeDst = widthDst * height; - - /* Clear the dest image */ - bzero(pdstLine, sizeDst << 2); - - afbGetPixelWidthSizeDepthAndPointer(pDrawable, widthSrc, sizeSrc, - depthSrc, psrcBits); - - psrcBits = afbScanline(psrcBits, sx, sy, widthSrc); - - start_startbit = PPW - 1 - (sx & PIM); - if ((sx & PIM) + width < PPW) { - maskpartialbits(sx, width, startmask); - nlmiddle = 0; - endmask = 0; - start_endbit = PPW - ((sx + width) & PIM); - } else { - maskbits(sx, width, startmask, endmask, nlmiddle); - start_endbit = 0; - end_endbit = PPW - ((sx + width) & PIM); - } - /* ZPixmap images have either 4 or 8 bits per pixel dependent on - * depth. - */ - if (depthSrc > 4) { - start_dstshift = 24; - shift_step = 8; - } else { - start_dstshift = 28; - shift_step = 4; - } -#define SHIFT_BITS(start_bit,end_bit) \ -for (b = (start_bit); b >= (end_bit); b--) { \ - dst |= ((srcbits >> b) & 1) << dstshift; \ - if ((dstshift -= shift_step) < 0) { \ - dstshift = start_dstshift + d; \ - *pdst++ = dst; \ - dst = *pdst; \ - } \ -} \ - - for (d = 0; d < depthSrc; d++, psrcBits += sizeSrc) { /* @@@ NEXT PLANE @@@ */ - psrcLine = psrcBits; - pdst = (PixelType *)pdstLine; - h = height; - - while (h--) { - psrc = psrcLine; - psrcLine += widthSrc; - dst = *pdst; - dstshift = start_dstshift + d; - - if (startmask) { - srcbits = *psrc++ & startmask; - SHIFT_BITS(start_startbit, start_endbit); - } - - nl = nlmiddle; - while (nl--) { - srcbits = *psrc++; - SHIFT_BITS(PPW - 1, 0); - } - if (endmask) { - srcbits = *psrc & endmask; - SHIFT_BITS(PPW - 1, end_endbit); - } - - if (dstshift != start_dstshift + d) - *pdst++ = dst; - } /* while (h--) */ - } /* for (d = ...) */ - } -} |