From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/afb/afbbitblt.c | 343 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 343 insertions(+) create mode 100644 xorg-server/afb/afbbitblt.c (limited to 'xorg-server/afb/afbbitblt.c') diff --git a/xorg-server/afb/afbbitblt.c b/xorg-server/afb/afbbitblt.c new file mode 100644 index 000000000..d8b2ccda5 --- /dev/null +++ b/xorg-server/afb/afbbitblt.c @@ -0,0 +1,343 @@ +/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ +/*********************************************************** + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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_DIX_CONFIG_H +#include +#endif + +#include + +#include +#include + +#include "regionstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "scrnintstr.h" + +#include "mi.h" + +#include "afb.h" +#include "maskbits.h" + +/* CopyArea and CopyPlane for a monchrome frame buffer + + + clip the source rectangle to the source's available bits. (this +avoids copying unnecessary pieces that will just get exposed anyway.) +this becomes the new shape of the destination. + clip the destination region to the composite clip in the +GC. this requires translating the destination region to (dstx, dsty). + build a list of source points, one for each rectangle in the +destination. this is a simple translation. + go do the multiple rectangle copies + do graphics exposures +*/ +/** Optimized for drawing pixmaps into windows, especially when drawing into + ** unobscured windows. Calls to the general-purpose region code were + ** replaced with rectangle-to-rectangle clipping comparisions. This is + ** possible, since the pixmap is a single rectangle. In an unobscured + ** window, the destination clip is also a single rectangle, and region + ** code can be avoided entirely. This is a big savings, since the region + ** code uses XAlloc() and makes many function calls. + ** + ** In addition, if source is a pixmap, there is no need to call the + ** expensive miHandleExposures() routine. Instead, we simply return NULL. + ** + ** Previously, drawing a pixmap into an unobscured window executed at least + ** 8 XAlloc()'s, 30 function calls, and hundreds of lines of code. + ** + ** Now, the same operation requires no XAlloc()'s, no region function calls, + ** and much less overhead. Nice for drawing lots of small pixmaps. + */ + +void +afbDoBitblt(DrawablePtr pSrc, DrawablePtr pDst, int alu, RegionPtr prgnDst, DDXPointPtr pptSrc, long unsigned int planemask) +{ + switch (alu) { + case GXcopy: + afbDoBitbltCopy(pSrc, pDst, alu, prgnDst, pptSrc, planemask); + break; + case GXxor: + afbDoBitbltXor(pSrc, pDst, alu, prgnDst, pptSrc, planemask); + break; + case GXcopyInverted: + afbDoBitbltCopyInverted(pSrc, pDst, alu, prgnDst, pptSrc, planemask); + break; + case GXor: + afbDoBitbltOr(pSrc, pDst, alu, prgnDst, pptSrc, planemask); + break; + default: + afbDoBitbltGeneral(pSrc, pDst, alu, prgnDst, pptSrc, planemask); + break; + } +} + +typedef void (*afb_blit_func) + (DrawablePtr, DrawablePtr, int, RegionPtr, DDXPointPtr, unsigned long); + +static RegionPtr +afbBitBlt(register DrawablePtr pSrcDrawable, register DrawablePtr pDstDrawable, register GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty, afb_blit_func doBitBlt, long unsigned int planemask) +{ + RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */ + Bool freeSrcClip = FALSE; + + RegionPtr prgnExposed; + RegionRec rgnDst; + DDXPointPtr pptSrc; + register DDXPointPtr ppt; + register BoxPtr pbox; + int i; + register int dx; + register int dy; + xRectangle origSource; + DDXPointRec origDest; + int numRects; + BoxRec fastBox; + int fastClip = 0; /* for fast clipping with pixmap source */ + int fastExpose = 0; /* for fast exposures with pixmap source */ + + origSource.x = srcx; + origSource.y = srcy; + origSource.width = width; + origSource.height = height; + origDest.x = dstx; + origDest.y = dsty; + + if ((pSrcDrawable != pDstDrawable) && pSrcDrawable->pScreen->SourceValidate) + (*pSrcDrawable->pScreen->SourceValidate)(pSrcDrawable, srcx, srcy, width, + height); + + srcx += pSrcDrawable->x; + srcy += pSrcDrawable->y; + + /* clip the source */ + + if (pSrcDrawable->type == DRAWABLE_PIXMAP) + if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE)) + prgnSrcClip = pGC->pCompositeClip; + else + fastClip = 1; + else if (pGC->subWindowMode == IncludeInferiors) + if (!((WindowPtr)pSrcDrawable)->parent) + /* + * special case bitblt from root window in + * IncludeInferiors mode; just like from a pixmap + */ + fastClip = 1; + else if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE)) + prgnSrcClip = pGC->pCompositeClip; + else { + prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable); + freeSrcClip = TRUE; + } + else + prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList; + + fastBox.x1 = srcx; + fastBox.y1 = srcy; + fastBox.x2 = srcx + width; + fastBox.y2 = srcy + height; + + /* Don't create a source region if we are doing a fast clip */ + if (fastClip) { + fastExpose = 1; + /* + * clip the source; if regions extend beyond the source size, + * make sure exposure events get sent + */ + if (fastBox.x1 < pSrcDrawable->x) { + fastBox.x1 = pSrcDrawable->x; + fastExpose = 0; + } + if (fastBox.y1 < pSrcDrawable->y) { + fastBox.y1 = pSrcDrawable->y; + fastExpose = 0; + } + if (fastBox.x2 > pSrcDrawable->x + (int)pSrcDrawable->width) { + fastBox.x2 = pSrcDrawable->x + (int)pSrcDrawable->width; + fastExpose = 0; + } + if (fastBox.y2 > pSrcDrawable->y + (int)pSrcDrawable->height) { + fastBox.y2 = pSrcDrawable->y + (int)pSrcDrawable->height; + fastExpose = 0; + } + } else { + REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); + REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, prgnSrcClip); + } + + dstx += pDstDrawable->x; + dsty += pDstDrawable->y; + + if (pDstDrawable->type == DRAWABLE_WINDOW) + if (!((WindowPtr)pDstDrawable)->realized) { + if (!fastClip) + REGION_UNINIT(pGC->pScreen, &rgnDst); + if (freeSrcClip) + REGION_DESTROY(pGC->pScreen, prgnSrcClip); + return NULL; + } + + dx = srcx - dstx; + dy = srcy - dsty; + + /* Translate and clip the dst to the destination composite clip */ + if (fastClip) { + RegionPtr cclip; + + /* Translate the region directly */ + fastBox.x1 -= dx; + fastBox.x2 -= dx; + fastBox.y1 -= dy; + fastBox.y2 -= dy; + + /* If the destination composite clip is one rectangle we can + do the clip directly. Otherwise we have to create a full + blown region and call intersect */ + cclip = pGC->pCompositeClip; + if (REGION_NUM_RECTS(cclip) == 1) { + BoxPtr pBox = REGION_RECTS(cclip); + + if (fastBox.x1 < pBox->x1) + fastBox.x1 = pBox->x1; + if (fastBox.x2 > pBox->x2) + fastBox.x2 = pBox->x2; + if (fastBox.y1 < pBox->y1) + fastBox.y1 = pBox->y1; + if (fastBox.y2 > pBox->y2) + fastBox.y2 = pBox->y2; + + /* Check to see if the region is empty */ + if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) { + REGION_NULL(pGC->pScreen, &rgnDst); + } else { + REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); + } + } else { + /* We must turn off fastClip now, since we must create + a full blown region. It is intersected with the + composite clip below. */ + fastClip = 0; + REGION_INIT(pGC->pScreen, &rgnDst, &fastBox,1); + } + } else + REGION_TRANSLATE(pGC->pScreen, &rgnDst, -dx, -dy); + + if (!fastClip) { + REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, + pGC->pCompositeClip); + } + + /* Do bit blitting */ + numRects = REGION_NUM_RECTS(&rgnDst); + if (numRects && width && height) { + if(!(pptSrc = (DDXPointPtr)xalloc(numRects * + sizeof(DDXPointRec)))) { + REGION_UNINIT(pGC->pScreen, &rgnDst); + if (freeSrcClip) + REGION_DESTROY(pGC->pScreen, prgnSrcClip); + return NULL; + } + pbox = REGION_RECTS(&rgnDst); + ppt = pptSrc; + for (i = numRects; --i >= 0; pbox++, ppt++) { + ppt->x = pbox->x1 + dx; + ppt->y = pbox->y1 + dy; + } + + (*doBitBlt)(pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc, + planemask); + + xfree(pptSrc); + } + + prgnExposed = NULL; + if (pGC->fExpose) { + /* Pixmap sources generate a NoExposed (we return NULL to do this) */ + if (!fastExpose) + prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC, + origSource.x, origSource.y, + (int)origSource.width, + (int)origSource.height, origDest.x, + origDest.y, (unsigned long)0); + } + REGION_UNINIT(pGC->pScreen, &rgnDst); + if (freeSrcClip) + REGION_DESTROY(pGC->pScreen, prgnSrcClip); + return prgnExposed; +} + +RegionPtr +afbCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty) +{ + afb_blit_func doBitBlt; + + switch (pGC->alu) { + case GXcopy: + doBitBlt = afbDoBitbltCopy; + break; + case GXxor: + doBitBlt = afbDoBitbltXor; + break; + case GXcopyInverted: + doBitBlt = afbDoBitbltCopyInverted; + break; + case GXor: + doBitBlt = afbDoBitbltOr; + break; + default: + doBitBlt = afbDoBitbltGeneral; + break; + } + + return(afbBitBlt(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, + width, height, dstx, dsty, doBitBlt, pGC->planemask)); +} -- cgit v1.2.3