diff options
Diffstat (limited to 'hw/xfree86/xaa/xaaCpyPlane.c')
| -rw-r--r-- | hw/xfree86/xaa/xaaCpyPlane.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/hw/xfree86/xaa/xaaCpyPlane.c b/hw/xfree86/xaa/xaaCpyPlane.c new file mode 100644 index 000000000..74dcdfd31 --- /dev/null +++ b/hw/xfree86/xaa/xaaCpyPlane.c @@ -0,0 +1,206 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaCpyPlane.c,v 1.13 2001/10/01 13:44:15 eich Exp $ */ + +/* + A CopyPlane function that handles bitmap->screen copies and + sends anything else to the Fallback. + + Also, a PushPixels for solid fill styles. + + Written by Mark Vojkovich (markv@valinux.com) + +*/ + +#include "misc.h" +#include "xf86.h" +#include "xf86_ansic.h" +#include "xf86_OSproc.h" +#include "servermd.h" + +#include "X.h" +#include "scrnintstr.h" +#include "mi.h" +#include "pixmapstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaalocal.h" +#include "xaawrap.h" + +static void XAACopyPlane1toNColorExpand(DrawablePtr pSrc, DrawablePtr pDst, + GCPtr pGC, RegionPtr rgnDst, + DDXPointPtr pptSrc); +static void XAACopyPlaneNtoNColorExpand(DrawablePtr pSrc, DrawablePtr pDst, + GCPtr pGC, RegionPtr rgnDst, + DDXPointPtr pptSrc); + + +static unsigned long TmpBitPlane; + +RegionPtr +XAACopyPlaneColorExpansion( + DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + int srcx, int srcy, + int width, int height, + int dstx, int dsty, + unsigned long bitPlane +){ + if((pSrc->type == DRAWABLE_PIXMAP) && !XAA_DEPTH_BUG(pGC)) { + if(pSrc->bitsPerPixel == 1) { + return(XAABitBlt(pSrc, pDst, pGC, srcx, srcy, + width, height, dstx, dsty, + XAACopyPlane1toNColorExpand, bitPlane)); + } else if(bitPlane < (1 << pDst->depth)){ + TmpBitPlane = bitPlane; + return(XAABitBlt(pSrc, pDst, pGC, srcx, srcy, + width, height, dstx, dsty, + XAACopyPlaneNtoNColorExpand, bitPlane)); + } + } + + return (XAAFallbackOps.CopyPlane(pSrc, pDst, pGC, srcx, srcy, + width, height, dstx, dsty, bitPlane)); +} + + +static void +XAACopyPlane1toNColorExpand( + DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + RegionPtr rgnDst, + DDXPointPtr pptSrc ) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + BoxPtr pbox = REGION_RECTS(rgnDst); + int numrects = REGION_NUM_RECTS(rgnDst); + unsigned char *src = ((PixmapPtr)pSrc)->devPrivate.ptr; + int srcwidth = ((PixmapPtr)pSrc)->devKind; + + while(numrects--) { + (*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, + src + (srcwidth * pptSrc->y) + ((pptSrc->x >> 5) << 2), + srcwidth, pptSrc->x & 31, + pGC->fgPixel, pGC->bgPixel, pGC->alu, pGC->planemask); + pbox++; pptSrc++; + } +} + + +static void +XAACopyPlaneNtoNColorExpand( + DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + RegionPtr rgnDst, + DDXPointPtr pptSrc +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + BoxPtr pbox = REGION_RECTS(rgnDst); + int numrects = REGION_NUM_RECTS(rgnDst); + unsigned char *src = ((PixmapPtr)pSrc)->devPrivate.ptr; + unsigned char *data, *srcPtr, *dataPtr; + int srcwidth = ((PixmapPtr)pSrc)->devKind; + int pitch, width, height, h, i, index, offset; + int Bpp = pSrc->bitsPerPixel >> 3; + unsigned long mask = TmpBitPlane; + + if(TmpBitPlane < 8) { + offset = 0; + } else if(TmpBitPlane < 16) { + offset = 1; + mask >>= 8; + } else if(TmpBitPlane < 24) { + offset = 2; + mask >>= 16; + } else { + offset = 3; + mask >>= 24; + } + + if(IS_OFFSCREEN_PIXMAP(pSrc)) + SYNC_CHECK(pSrc); + + while(numrects--) { + width = pbox->x2 - pbox->x1; + h = height = pbox->y2 - pbox->y1; + pitch = BitmapBytePad(width); + + if(!(data = xalloc(height * pitch))) + goto ALLOC_FAILED; + + bzero(data, height * pitch); + + dataPtr = data; + srcPtr = ((pptSrc->y) * srcwidth) + src + + ((pptSrc->x) * Bpp) + offset; + + while(h--) { + for(i = index = 0; i < width; i++, index += Bpp) { + if(mask & srcPtr[index]) + dataPtr[i >> 3] |= (1 << (i & 7)); + } + dataPtr += pitch; + srcPtr += srcwidth; + } + + (*infoRec->WriteBitmap)(infoRec->pScrn, + pbox->x1, pbox->y1, width, height, data, pitch, 0, + pGC->fgPixel, pGC->bgPixel, pGC->alu, pGC->planemask); + + xfree(data); + +ALLOC_FAILED: + + pbox++; pptSrc++; + } +} + +void +XAAPushPixelsSolidColorExpansion( + GCPtr pGC, + PixmapPtr pBitMap, + DrawablePtr pDraw, + int dx, int dy, + int xOrg, int yOrg ) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + int MaxBoxes = REGION_NUM_RECTS(pGC->pCompositeClip); + BoxPtr pbox, pClipBoxes; + int nboxes, srcx, srcy; + xRectangle TheRect; + unsigned char *src = pBitMap->devPrivate.ptr; + int srcwidth = pBitMap->devKind; + + if(!REGION_NUM_RECTS(pGC->pCompositeClip)) + return; + + TheRect.x = xOrg; + TheRect.y = yOrg; + TheRect.width = dx; + TheRect.height = dy; + + if(MaxBoxes > (infoRec->PreAllocSize/sizeof(BoxRec))) { + pClipBoxes = xalloc(MaxBoxes * sizeof(BoxRec)); + if(!pClipBoxes) return; + } else pClipBoxes = (BoxPtr)infoRec->PreAllocMem; + + nboxes = XAAGetRectClipBoxes(pGC->pCompositeClip, pClipBoxes, 1, &TheRect); + pbox = pClipBoxes; + + while(nboxes--) { + srcx = pbox->x1 - xOrg; + srcy = pbox->y1 - yOrg; + (*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, + src + (srcwidth * srcy) + ((srcx >> 5) << 2), + srcwidth, srcx & 31, + pGC->fgPixel, -1, pGC->alu, pGC->planemask); + pbox++; + } + + if(pClipBoxes != (BoxPtr)infoRec->PreAllocMem) + xfree(pClipBoxes); +} + |