diff options
Diffstat (limited to 'xorg-server/exa/exa_unaccel.c')
| -rw-r--r-- | xorg-server/exa/exa_unaccel.c | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c new file mode 100644 index 000000000..d7bd06cb2 --- /dev/null +++ b/xorg-server/exa/exa_unaccel.c @@ -0,0 +1,425 @@ +/* + * + * Copyright © 1999 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. + */ + +#include "exa_priv.h" + +#ifdef RENDER +#include "mipict.h" +#endif + +/* + * These functions wrap the low-level fb rendering functions and + * synchronize framebuffer/accelerated drawing by stalling until + * the accelerator is idle + */ + +/** + * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the + * current fill style. + * + * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are + * 1bpp and never in fb, so we don't worry about them. + * We should worry about them for completeness sake and going forward. + */ +void +exaPrepareAccessGC(GCPtr pGC) +{ + if (pGC->stipple) + exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK); + if (pGC->fillStyle == FillTiled) + exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC); +} + +/** + * Finishes access to the tile in the GC, if used. + */ +void +exaFinishAccessGC(GCPtr pGC) +{ + if (pGC->fillStyle == FillTiled) + exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_MASK); + if (pGC->stipple) + exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_SRC); +} + +#if DEBUG_TRACE_FALL +char +exaDrawableLocation(DrawablePtr pDrawable) +{ + return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm'; +} +#endif /* DEBUG_TRACE_FALL */ + +void +ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans, + DDXPointPtr ppt, int *pwidth, int fSorted) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc, + DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + fbSetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, + int x, int y, int w, int h, int leftPad, int format, + char *bits) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + if (exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle, + pGC->alu)) + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + else + ExaDoPrepareAccess (pDrawable, EXA_PREPARE_DEST); + fbPutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +RegionPtr +ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty) +{ + RegionPtr ret; + + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, + exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); + exaPrepareAccess (pDst, EXA_PREPARE_DEST); + exaPrepareAccess (pSrc, EXA_PREPARE_SRC); + ret = fbCopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty); + exaFinishAccess (pSrc, EXA_PREPARE_SRC); + exaFinishAccess (pDst, EXA_PREPARE_DEST); + + return ret; +} + +RegionPtr +ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty, + unsigned long bitPlane) +{ + RegionPtr ret; + + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, + exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); + exaPrepareAccess (pDst, EXA_PREPARE_DEST); + exaPrepareAccess (pSrc, EXA_PREPARE_SRC); + ret = fbCopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, + bitPlane); + exaFinishAccess (pSrc, EXA_PREPARE_SRC); + exaFinishAccess (pDst, EXA_PREPARE_DEST); + + return ret; +} + +void +ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, + DDXPointPtr pptInit) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + fbPolyPoint (pDrawable, pGC, mode, npt, pptInit); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr ppt) +{ + EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n", + pDrawable, exaDrawableLocation(pDrawable), + pGC->lineWidth, mode, npt)); + + if (pGC->lineWidth == 0) { + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbPolyLine (pDrawable, pGC, mode, npt, ppt); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + return; + } + /* fb calls mi functions in the lineWidth != 0 case. */ + fbPolyLine (pDrawable, pGC, mode, npt, ppt); +} + +void +ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC, + int nsegInit, xSegment *pSegInit) +{ + EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable, + exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit)); + if (pGC->lineWidth == 0) { + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbPolySegment (pDrawable, pGC, nsegInit, pSegInit); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + return; + } + /* fb calls mi functions in the lineWidth != 0 case. */ + fbPolySegment (pDrawable, pGC, nsegInit, pSegInit); +} + +void +ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC, + int narcs, xArc *pArcs) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + + /* Disable this as fbPolyArc can call miZeroPolyArc which in turn + * can call accelerated functions, that as yet, haven't been notified + * with exaFinishAccess(). + */ +#if 0 + if (pGC->lineWidth == 0) + { + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbPolyArc (pDrawable, pGC, narcs, pArcs); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + return; + } +#endif + miPolyArc (pDrawable, pGC, narcs, pArcs); +} + +void +ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, + int nrect, xRectangle *prect) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbPolyFillRect (pDrawable, pGC, nrect, prect); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase) +{ + EXA_FALLBACK(("to %p (%c)\n", pDrawable, + exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase) +{ + EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable, + exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu)); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap, + DrawablePtr pDrawable, + int w, int h, int x, int y) +{ + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable, + exaDrawableLocation(&pBitmap->drawable), + exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccess (&pBitmap->drawable, EXA_PREPARE_SRC); + exaPrepareAccessGC (pGC); + fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y); + exaFinishAccessGC (pGC); + exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); +} + +void +ExaCheckGetSpans (DrawablePtr pDrawable, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pdstStart) +{ + EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_SRC); + fbGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart); + exaFinishAccess (pDrawable, EXA_PREPARE_SRC); +} + +void +ExaCheckComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + RegionRec region; + int xoff, yoff; + + REGION_NULL(pScreen, ®ion); + + if (!exaOpReadsDestination(op)) { + if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, xDst, yDst, + width, height)) + return; + + exaGetDrawableDeltas (pDst->pDrawable, + exaGetDrawablePixmap(pDst->pDrawable), + &xoff, &yoff); + + REGION_TRANSLATE(pScreen, ®ion, xoff, yoff); + + exaPrepareAccessReg (pDst->pDrawable, EXA_PREPARE_DEST, ®ion); + } else + exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST); + + EXA_FALLBACK(("from picts %p/%p to pict %p\n", + pSrc, pMask, pDst)); + + if (pSrc->pDrawable != NULL) + exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC); + if (pMask && pMask->pDrawable != NULL) + exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK); + fbComposite (op, + pSrc, + pMask, + pDst, + xSrc, + ySrc, + xMask, + yMask, + xDst, + yDst, + width, + height); + if (pMask && pMask->pDrawable != NULL) + exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK); + if (pSrc->pDrawable != NULL) + exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC); + exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST); + + REGION_UNINIT(pScreen, ®ion); +} + +void +ExaCheckAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps) +{ + EXA_FALLBACK(("to pict %p (%c)\n", + exaDrawableLocation(pPicture->pDrawable))); + exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST); + fbAddTraps (pPicture, x_off, y_off, ntrap, traps); + exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST); +} + +/** + * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps + * that happen to be 1x1. Pixmap must be at least 8bpp. + * + * XXX This really belongs in fb, so it can be aware of tiling and etc. + */ +CARD32 +exaGetPixmapFirstPixel (PixmapPtr pPixmap) +{ + ExaScreenPriv(pPixmap->drawable.pScreen); + CARD32 pixel; + void *fb; + Bool need_finish = FALSE; + BoxRec box; + RegionRec migration; + ExaPixmapPriv (pPixmap); + Bool sys_valid = !miPointInRegion(&pExaPixmap->validSys, 0, 0, &box); + Bool damaged = miPointInRegion(DamageRegion(pExaPixmap->pDamage), 0, 0, + &box); + Bool offscreen = exaPixmapIsOffscreen(pPixmap); + + fb = pExaPixmap->sys_ptr; + + /* Try to avoid framebuffer readbacks */ + if (pExaScr->info->CreatePixmap || + (!offscreen && !sys_valid && !damaged) || + (offscreen && (!sys_valid || damaged))) + { + box.x1 = 0; + box.y1 = 0; + box.x2 = 1; + box.y2 = 1; + REGION_INIT(pScreen, &migration, &box, 1); + + need_finish = TRUE; + + exaPrepareAccessReg(&pPixmap->drawable, EXA_PREPARE_SRC, &migration); + fb = pPixmap->devPrivate.ptr; + } + + switch (pPixmap->drawable.bitsPerPixel) { + case 32: + pixel = *(CARD32 *)fb; + break; + case 16: + pixel = *(CARD16 *)fb; + break; + default: + pixel = *(CARD8 *)fb; + break; + } + + if (need_finish) { + exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC); + REGION_UNINIT(pScreen, &migration); + } + + return pixel; +} |