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IABSD.fr/xenocara/xserver/exa/exa_accel.c
matthieu
- xserver/exa/exa_accel.c
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/* * Copyright © 2001 Keith Packard * * Partly based on code that is Copyright © The XFree86 Project Inc. * * 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. * * Authors: * Eric Anholt <eric@anholt.net> * Michel Dänzer <michel@tungstengraphics.com> * */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "exa_priv.h" #include <X11/fonts/fontstruct.h> #include "dixfontstr.h" #include "exa.h" static void exaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n, DDXPointPtr ppt, int *pwidth, int fSorted) { ScreenPtr pScreen = pDrawable->pScreen; ExaScreenPriv(pScreen); RegionPtr pClip = fbGetCompositeClip(pGC); PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); ExaPixmapPriv(pPixmap); BoxPtr pextent, pbox; int nbox; int extentX1, extentX2, extentY1, extentY2; int fullX1, fullX2, fullY1; int partX1, partX2; int off_x, off_y; if (pExaScr->fallback_counter || pExaScr->swappedOut || pGC->fillStyle != FillSolid || pExaPixmap->accel_blocked) { ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted); return; } if (pExaScr->do_migration) { ExaMigrationRec pixmaps[1]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pPixmap; pixmaps[0].pReg = NULL; exaDoMigration(pixmaps, 1, TRUE); } if (!(pPixmap = exaGetOffscreenPixmap(pDrawable, &off_x, &off_y)) || !(*pExaScr->info->PrepareSolid) (pPixmap, pGC->alu, pGC->planemask, pGC->fgPixel)) { ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted); return; } pextent = RegionExtents(pClip); extentX1 = pextent->x1; extentY1 = pextent->y1; extentX2 = pextent->x2; extentY2 = pextent->y2; while (n--) { fullX1 = ppt->x; fullY1 = ppt->y; fullX2 = fullX1 + (int) *pwidth; ppt++; pwidth++; if (fullY1 < extentY1 || extentY2 <= fullY1) continue; if (fullX1 < extentX1) fullX1 = extentX1; if (fullX2 > extentX2) fullX2 = extentX2; if (fullX1 >= fullX2) continue; nbox = RegionNumRects(pClip); if (nbox == 1) { (*pExaScr->info->Solid) (pPixmap, fullX1 + off_x, fullY1 + off_y, fullX2 + off_x, fullY1 + 1 + off_y); } else { pbox = RegionRects(pClip); while (nbox--) { if (pbox->y1 <= fullY1 && fullY1 < pbox->y2) { partX1 = pbox->x1; if (partX1 < fullX1) partX1 = fullX1; partX2 = pbox->x2; if (partX2 > fullX2) partX2 = fullX2; if (partX2 > partX1) { (*pExaScr->info->Solid) (pPixmap, partX1 + off_x, fullY1 + off_y, partX2 + off_x, fullY1 + 1 + off_y); } } pbox++; } } } (*pExaScr->info->DoneSolid) (pPixmap); exaMarkSync(pScreen); } static Bool exaDoPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y, int w, int h, int format, char *bits, int src_stride) { ExaScreenPriv(pDrawable->pScreen); PixmapPtr pPix = exaGetDrawablePixmap(pDrawable); ExaPixmapPriv(pPix); RegionPtr pClip; BoxPtr pbox; int nbox; int xoff, yoff; int bpp = pDrawable->bitsPerPixel; Bool ret = TRUE; if (pExaScr->fallback_counter || pExaPixmap->accel_blocked || !pExaScr->info->UploadToScreen) return FALSE; /* If there's a system copy, we want to save the result there */ if (pExaPixmap->pDamage) return FALSE; /* Don't bother with under 8bpp, XYPixmaps. */ if (format != ZPixmap || bpp < 8) return FALSE; /* Only accelerate copies: no rop or planemask. */ if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy) return FALSE; if (pExaScr->swappedOut) return FALSE; if (pExaScr->do_migration) { ExaMigrationRec pixmaps[1]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pPix; pixmaps[0].pReg = DamagePendingRegion(pExaPixmap->pDamage); exaDoMigration(pixmaps, 1, TRUE); } pPix = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff); if (!pPix) return FALSE; x += pDrawable->x; y += pDrawable->y; pClip = fbGetCompositeClip(pGC); for (nbox = RegionNumRects(pClip), pbox = RegionRects(pClip); nbox--; pbox++) { int x1 = x; int y1 = y; int x2 = x + w; int y2 = y + h; char *src; Bool ok; if (x1 < pbox->x1) x1 = pbox->x1; if (y1 < pbox->y1) y1 = pbox->y1; if (x2 > pbox->x2) x2 = pbox->x2; if (y2 > pbox->y2) y2 = pbox->y2; if (x1 >= x2 || y1 >= y2) continue; src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8); ok = pExaScr->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff, x2 - x1, y2 - y1, src, src_stride); /* We have to fall back completely, and ignore what has already been completed. * Messing with the fb layer directly like we used to is completely unacceptable. */ if (!ok) { ret = FALSE; break; } } if (ret) exaMarkSync(pDrawable->pScreen); return ret; } static void exaPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y, int w, int h, int leftPad, int format, char *bits) { if (!exaDoPutImage(pDrawable, pGC, depth, x, y, w, h, format, bits, PixmapBytePad(w, pDrawable->depth))) ExaCheckPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits); } static Bool inline exaCopyNtoNTwoDir(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy) { ExaScreenPriv(pDstDrawable->pScreen); PixmapPtr pSrcPixmap, pDstPixmap; int src_off_x, src_off_y, dst_off_x, dst_off_y; int dirsetup; /* Need to get both pixmaps to call the driver routines */ pSrcPixmap = exaGetOffscreenPixmap(pSrcDrawable, &src_off_x, &src_off_y); pDstPixmap = exaGetOffscreenPixmap(pDstDrawable, &dst_off_x, &dst_off_y); if (!pSrcPixmap || !pDstPixmap) return FALSE; /* * Now the case of a chip that only supports xdir = ydir = 1 or * xdir = ydir = -1, but we have xdir != ydir. */ dirsetup = 0; /* No direction set up yet. */ for (; nbox; pbox++, nbox--) { if (dx >= 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) { /* Do a xdir = ydir = -1 blit instead. */ if (dirsetup != -1) { if (dirsetup != 0) pExaScr->info->DoneCopy(pDstPixmap); dirsetup = -1; if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, -1, -1, pGC ? pGC->alu : GXcopy, pGC ? pGC->planemask : FB_ALLONES)) return FALSE; } (*pExaScr->info->Copy) (pDstPixmap, src_off_x + pbox->x1 + dx, src_off_y + pbox->y1 + dy, dst_off_x + pbox->x1, dst_off_y + pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); } else if (dx < 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) { /* Do a xdir = ydir = 1 blit instead. */ if (dirsetup != 1) { if (dirsetup != 0) pExaScr->info->DoneCopy(pDstPixmap); dirsetup = 1; if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, 1, 1, pGC ? pGC->alu : GXcopy, pGC ? pGC->planemask : FB_ALLONES)) return FALSE; } (*pExaScr->info->Copy) (pDstPixmap, src_off_x + pbox->x1 + dx, src_off_y + pbox->y1 + dy, dst_off_x + pbox->x1, dst_off_y + pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); } else if (dx >= 0) { /* * xdir = 1, ydir = -1. * Perform line-by-line xdir = ydir = 1 blits, going up. */ int i; if (dirsetup != 1) { if (dirsetup != 0) pExaScr->info->DoneCopy(pDstPixmap); dirsetup = 1; if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, 1, 1, pGC ? pGC->alu : GXcopy, pGC ? pGC->planemask : FB_ALLONES)) return FALSE; } for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--) (*pExaScr->info->Copy) (pDstPixmap, src_off_x + pbox->x1 + dx, src_off_y + pbox->y1 + dy + i, dst_off_x + pbox->x1, dst_off_y + pbox->y1 + i, pbox->x2 - pbox->x1, 1); } else { /* * xdir = -1, ydir = 1. * Perform line-by-line xdir = ydir = -1 blits, going down. */ int i; if (dirsetup != -1) { if (dirsetup != 0) pExaScr->info->DoneCopy(pDstPixmap); dirsetup = -1; if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, -1, -1, pGC ? pGC->alu : GXcopy, pGC ? pGC->planemask : FB_ALLONES)) return FALSE; } for (i = 0; i < pbox->y2 - pbox->y1; i++) (*pExaScr->info->Copy) (pDstPixmap, src_off_x + pbox->x1 + dx, src_off_y + pbox->y1 + dy + i, dst_off_x + pbox->x1, dst_off_y + pbox->y1 + i, pbox->x2 - pbox->x1, 1); } } if (dirsetup != 0) pExaScr->info->DoneCopy(pDstPixmap); exaMarkSync(pDstDrawable->pScreen); return TRUE; } Bool exaHWCopyNtoN(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, Bool upsidedown) { ExaScreenPriv(pDstDrawable->pScreen); PixmapPtr pSrcPixmap, pDstPixmap; ExaPixmapPrivPtr pSrcExaPixmap, pDstExaPixmap; int src_off_x, src_off_y; int dst_off_x, dst_off_y; RegionPtr srcregion = NULL, dstregion = NULL; xRectangle *rects; Bool ret = TRUE; /* avoid doing copy operations if no boxes */ if (nbox == 0) return TRUE; pSrcPixmap = exaGetDrawablePixmap(pSrcDrawable); pDstPixmap = exaGetDrawablePixmap(pDstDrawable); exaGetDrawableDeltas(pSrcDrawable, pSrcPixmap, &src_off_x, &src_off_y); exaGetDrawableDeltas(pDstDrawable, pDstPixmap, &dst_off_x, &dst_off_y); rects = xallocarray(nbox, sizeof(xRectangle)); if (rects) { int i; int ordering; for (i = 0; i < nbox; i++) { rects[i].x = pbox[i].x1 + dx + src_off_x; rects[i].y = pbox[i].y1 + dy + src_off_y; rects[i].width = pbox[i].x2 - pbox[i].x1; rects[i].height = pbox[i].y2 - pbox[i].y1; } /* This must match the RegionCopy() logic for reversing rect order */ if (nbox == 1 || (dx > 0 && dy > 0) || (pDstDrawable != pSrcDrawable && (pDstDrawable->type != DRAWABLE_WINDOW || pSrcDrawable->type != DRAWABLE_WINDOW))) ordering = CT_YXBANDED; else ordering = CT_UNSORTED; srcregion = RegionFromRects(nbox, rects, ordering); free(rects); if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask, pGC->fillStyle, pGC->alu, pGC->clientClip != NULL)) { dstregion = RegionCreate(NullBox, 0); RegionCopy(dstregion, srcregion); RegionTranslate(dstregion, dst_off_x - dx - src_off_x, dst_off_y - dy - src_off_y); } } pSrcExaPixmap = ExaGetPixmapPriv(pSrcPixmap); pDstExaPixmap = ExaGetPixmapPriv(pDstPixmap); /* Check whether the accelerator can use this pixmap. * If the pitch of the pixmaps is out of range, there's nothing * we can do but fall back to software rendering. */ if (pSrcExaPixmap->accel_blocked & EXA_RANGE_PITCH || pDstExaPixmap->accel_blocked & EXA_RANGE_PITCH) goto fallback; /* If the width or the height of either of the pixmaps * is out of range, check whether the boxes are actually out of the * addressable range as well. If they aren't, we can still do * the copying in hardware. */ if (pSrcExaPixmap->accel_blocked || pDstExaPixmap->accel_blocked) { int i; for (i = 0; i < nbox; i++) { /* src */ if ((pbox[i].x2 + dx + src_off_x) >= pExaScr->info->maxX || (pbox[i].y2 + dy + src_off_y) >= pExaScr->info->maxY) goto fallback; /* dst */ if ((pbox[i].x2 + dst_off_x) >= pExaScr->info->maxX || (pbox[i].y2 + dst_off_y) >= pExaScr->info->maxY) goto fallback; } } if (pExaScr->do_migration) { ExaMigrationRec pixmaps[2]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pDstPixmap; pixmaps[0].pReg = dstregion; pixmaps[1].as_dst = FALSE; pixmaps[1].as_src = TRUE; pixmaps[1].pPix = pSrcPixmap; pixmaps[1].pReg = srcregion; exaDoMigration(pixmaps, 2, TRUE); } /* Mixed directions must be handled specially if the card is lame */ if ((pExaScr->info->flags & EXA_TWO_BITBLT_DIRECTIONS) && reverse != upsidedown) { if (exaCopyNtoNTwoDir(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy)) goto out; goto fallback; } if (exaPixmapHasGpuCopy(pDstPixmap)) { /* Normal blitting. */ if (exaPixmapHasGpuCopy(pSrcPixmap)) { if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse ? -1 : 1, upsidedown ? -1 : 1, pGC ? pGC->alu : GXcopy, pGC ? pGC->planemask : FB_ALLONES)) { goto fallback; } while (nbox--) { (*pExaScr->info->Copy) (pDstPixmap, pbox->x1 + dx + src_off_x, pbox->y1 + dy + src_off_y, pbox->x1 + dst_off_x, pbox->y1 + dst_off_y, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1); pbox++; } (*pExaScr->info->DoneCopy) (pDstPixmap); exaMarkSync(pDstDrawable->pScreen); /* UTS: mainly for SHM PutImage's secondary path. * * Only taking this path for directly accessible pixmaps. */ } else if (!pDstExaPixmap->pDamage && pSrcExaPixmap->sys_ptr) { int bpp = pSrcDrawable->bitsPerPixel; int src_stride = exaGetPixmapPitch(pSrcPixmap); CARD8 *src = NULL; if (!pExaScr->info->UploadToScreen) goto fallback; if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel) goto fallback; if (pSrcDrawable->bitsPerPixel < 8) goto fallback; if (pGC && !(pGC->alu == GXcopy && EXA_PM_IS_SOLID(pSrcDrawable, pGC->planemask))) goto fallback; while (nbox--) { src = pSrcExaPixmap->sys_ptr + (pbox->y1 + dy + src_off_y) * src_stride + (pbox->x1 + dx + src_off_x) * (bpp / 8); if (!pExaScr->info-> UploadToScreen(pDstPixmap, pbox->x1 + dst_off_x, pbox->y1 + dst_off_y, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, (char *) src, src_stride)) goto fallback; pbox++; } } else goto fallback; } else goto fallback; goto out; fallback: ret = FALSE; out: if (dstregion) { RegionUninit(dstregion); RegionDestroy(dstregion); } if (srcregion) { RegionUninit(srcregion); RegionDestroy(srcregion); } return ret; } void exaCopyNtoN(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, Bool upsidedown, Pixel bitplane, void *closure) { ExaScreenPriv(pDstDrawable->pScreen); if (pExaScr->fallback_counter || (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW)) return; if (exaHWCopyNtoN (pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown)) return; /* This is a CopyWindow, it's cleaner to fallback at the original call. */ if (pExaScr->fallback_flags & EXA_ACCEL_COPYWINDOW) { pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW; return; } /* fallback */ ExaCheckCopyNtoN(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown, bitplane, closure); } RegionPtr exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty) { ExaScreenPriv(pDstDrawable->pScreen); if (pExaScr->fallback_counter || pExaScr->swappedOut) { return ExaCheckCopyArea(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, width, height, dstx, dsty); } return miDoCopy(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, width, height, dstx, dsty, exaCopyNtoN, 0, NULL); } static void exaPolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, DDXPointPtr ppt) { ExaScreenPriv(pDrawable->pScreen); int i; xRectangle *prect; /* If we can't reuse the current GC as is, don't bother accelerating the * points. */ if (pExaScr->fallback_counter || pGC->fillStyle != FillSolid) { ExaCheckPolyPoint(pDrawable, pGC, mode, npt, ppt); return; } prect = xallocarray(npt, sizeof(xRectangle)); for (i = 0; i < npt; i++) { prect[i].x = ppt[i].x; prect[i].y = ppt[i].y; if (i > 0 && mode == CoordModePrevious) { prect[i].x += prect[i - 1].x; prect[i].y += prect[i - 1].y; } prect[i].width = 1; prect[i].height = 1; } pGC->ops->PolyFillRect(pDrawable, pGC, npt, prect); free(prect); } /** * exaPolylines() checks if it can accelerate the lines as a group of * horizontal or vertical lines (rectangles), and uses existing rectangle fill * acceleration if so. */ static void exaPolylines(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, DDXPointPtr ppt) { ExaScreenPriv(pDrawable->pScreen); xRectangle *prect; int x1, x2, y1, y2; int i; if (pExaScr->fallback_counter) { ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt); return; } /* Don't try to do wide lines or non-solid fill style. */ if (pGC->lineWidth != 0 || pGC->lineStyle != LineSolid || pGC->fillStyle != FillSolid) { ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt); return; } prect = xallocarray(npt - 1, sizeof(xRectangle)); x1 = ppt[0].x; y1 = ppt[0].y; /* If we have any non-horizontal/vertical, fall back. */ for (i = 0; i < npt - 1; i++) { if (mode == CoordModePrevious) { x2 = x1 + ppt[i + 1].x; y2 = y1 + ppt[i + 1].y; } else { x2 = ppt[i + 1].x; y2 = ppt[i + 1].y; } if (x1 != x2 && y1 != y2) { free(prect); ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt); return; } if (x1 < x2) { prect[i].x = x1; prect[i].width = x2 - x1 + 1; } else { prect[i].x = x2; prect[i].width = x1 - x2 + 1; } if (y1 < y2) { prect[i].y = y1; prect[i].height = y2 - y1 + 1; } else { prect[i].y = y2; prect[i].height = y1 - y2 + 1; } x1 = x2; y1 = y2; } pGC->ops->PolyFillRect(pDrawable, pGC, npt - 1, prect); free(prect); } /** * exaPolySegment() checks if it can accelerate the lines as a group of * horizontal or vertical lines (rectangles), and uses existing rectangle fill * acceleration if so. */ static void exaPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSeg) { ExaScreenPriv(pDrawable->pScreen); xRectangle *prect; int i; /* Don't try to do wide lines or non-solid fill style. */ if (pExaScr->fallback_counter || pGC->lineWidth != 0 || pGC->lineStyle != LineSolid || pGC->fillStyle != FillSolid) { ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg); return; } /* If we have any non-horizontal/vertical, fall back. */ for (i = 0; i < nseg; i++) { if (pSeg[i].x1 != pSeg[i].x2 && pSeg[i].y1 != pSeg[i].y2) { ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg); return; } } prect = xallocarray((unsigned int)nseg, sizeof(xRectangle)); for (i = 0; i < nseg; i++) { if (pSeg[i].x1 < pSeg[i].x2) { prect[i].x = pSeg[i].x1; prect[i].width = pSeg[i].x2 - pSeg[i].x1 + 1; } else { prect[i].x = pSeg[i].x2; prect[i].width = pSeg[i].x1 - pSeg[i].x2 + 1; } if (pSeg[i].y1 < pSeg[i].y2) { prect[i].y = pSeg[i].y1; prect[i].height = pSeg[i].y2 - pSeg[i].y1 + 1; } else { prect[i].y = pSeg[i].y2; prect[i].height = pSeg[i].y1 - pSeg[i].y2 + 1; } /* don't paint last pixel */ if (pGC->capStyle == CapNotLast) { if (prect[i].width == 1) prect[i].height--; else prect[i].width--; } } pGC->ops->PolyFillRect(pDrawable, pGC, nseg, prect); free(prect); } static Bool exaFillRegionSolid(DrawablePtr pDrawable, RegionPtr pRegion, Pixel pixel, CARD32 planemask, CARD32 alu, Bool hasClientClip); static void exaPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nrect, xRectangle *prect) { ExaScreenPriv(pDrawable->pScreen); RegionPtr pClip = fbGetCompositeClip(pGC); PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); ExaPixmapPriv(pPixmap); register BoxPtr pbox; BoxPtr pextent; int extentX1, extentX2, extentY1, extentY2; int fullX1, fullX2, fullY1, fullY2; int partX1, partX2, partY1, partY2; int xoff, yoff; int xorg, yorg; int n; RegionPtr pReg = RegionFromRects(nrect, prect, CT_UNSORTED); /* Compute intersection of rects and clip region */ RegionTranslate(pReg, pDrawable->x, pDrawable->y); RegionIntersect(pReg, pClip, pReg); if (!RegionNumRects(pReg)) { goto out; } exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff); if (pExaScr->fallback_counter || pExaScr->swappedOut || pExaPixmap->accel_blocked) { goto fallback; } /* For ROPs where overlaps don't matter, convert rectangles to region and * call exaFillRegion{Solid,Tiled}. */ if ((pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled) && (nrect == 1 || pGC->alu == GXcopy || pGC->alu == GXclear || pGC->alu == GXnoop || pGC->alu == GXcopyInverted || pGC->alu == GXset)) { if (((pGC->fillStyle == FillSolid || pGC->tileIsPixel) && exaFillRegionSolid(pDrawable, pReg, pGC->fillStyle == FillSolid ? pGC->fgPixel : pGC->tile.pixel, pGC->planemask, pGC->alu, pGC->clientClip != NULL)) || (pGC->fillStyle == FillTiled && !pGC->tileIsPixel && exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg, pGC->planemask, pGC->alu, pGC->clientClip != NULL))) { goto out; } } if (pGC->fillStyle != FillSolid && !(pGC->tileIsPixel && pGC->fillStyle == FillTiled)) { goto fallback; } if (pExaScr->do_migration) { ExaMigrationRec pixmaps[1]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pPixmap; pixmaps[0].pReg = NULL; exaDoMigration(pixmaps, 1, TRUE); } if (!exaPixmapHasGpuCopy(pPixmap) || !(*pExaScr->info->PrepareSolid) (pPixmap, pGC->alu, pGC->planemask, pGC->fgPixel)) { fallback: ExaCheckPolyFillRect(pDrawable, pGC, nrect, prect); goto out; } xorg = pDrawable->x; yorg = pDrawable->y; pextent = RegionExtents(pClip); extentX1 = pextent->x1; extentY1 = pextent->y1; extentX2 = pextent->x2; extentY2 = pextent->y2; while (nrect--) { fullX1 = prect->x + xorg; fullY1 = prect->y + yorg; fullX2 = fullX1 + (int) prect->width; fullY2 = fullY1 + (int) prect->height; prect++; if (fullX1 < extentX1) fullX1 = extentX1; if (fullY1 < extentY1) fullY1 = extentY1; if (fullX2 > extentX2) fullX2 = extentX2; if (fullY2 > extentY2) fullY2 = extentY2; if ((fullX1 >= fullX2) || (fullY1 >= fullY2)) continue; n = RegionNumRects(pClip); if (n == 1) { (*pExaScr->info->Solid) (pPixmap, fullX1 + xoff, fullY1 + yoff, fullX2 + xoff, fullY2 + yoff); } else { pbox = RegionRects(pClip); /* * clip the rectangle to each box in the clip region * this is logically equivalent to calling Intersect(), * but rectangles may overlap each other here. */ while (n--) { partX1 = pbox->x1; if (partX1 < fullX1) partX1 = fullX1; partY1 = pbox->y1; if (partY1 < fullY1) partY1 = fullY1; partX2 = pbox->x2; if (partX2 > fullX2) partX2 = fullX2; partY2 = pbox->y2; if (partY2 > fullY2) partY2 = fullY2; pbox++; if (partX1 < partX2 && partY1 < partY2) { (*pExaScr->info->Solid) (pPixmap, partX1 + xoff, partY1 + yoff, partX2 + xoff, partY2 + yoff); } } } } (*pExaScr->info->DoneSolid) (pPixmap); exaMarkSync(pDrawable->pScreen); out: RegionUninit(pReg); RegionDestroy(pReg); } const GCOps exaOps = { exaFillSpans, ExaCheckSetSpans, exaPutImage, exaCopyArea, ExaCheckCopyPlane, exaPolyPoint, exaPolylines, exaPolySegment, miPolyRectangle, ExaCheckPolyArc, miFillPolygon, exaPolyFillRect, miPolyFillArc, miPolyText8, miPolyText16, miImageText8, miImageText16, ExaCheckImageGlyphBlt, ExaCheckPolyGlyphBlt, ExaCheckPushPixels, }; void exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) { RegionRec rgnDst; int dx, dy; PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); ExaScreenPriv(pWin->drawable.pScreen); dx = ptOldOrg.x - pWin->drawable.x; dy = ptOldOrg.y - pWin->drawable.y; RegionTranslate(prgnSrc, -dx, -dy); RegionInit(&rgnDst, NullBox, 0); RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); #ifdef COMPOSITE if (pPixmap->screen_x || pPixmap->screen_y) RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y); #endif if (pExaScr->fallback_counter) { pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW; goto fallback; } pExaScr->fallback_flags |= EXA_ACCEL_COPYWINDOW; miCopyRegion(&pPixmap->drawable, &pPixmap->drawable, NULL, &rgnDst, dx, dy, exaCopyNtoN, 0, NULL); pExaScr->fallback_flags &= ~EXA_ACCEL_COPYWINDOW; fallback: RegionUninit(&rgnDst); if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) { pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW; RegionTranslate(prgnSrc, dx, dy); ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc); } } static Bool exaFillRegionSolid(DrawablePtr pDrawable, RegionPtr pRegion, Pixel pixel, CARD32 planemask, CARD32 alu, Bool hasClientClip) { ExaScreenPriv(pDrawable->pScreen); PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); ExaPixmapPriv(pPixmap); int xoff, yoff; Bool ret = FALSE; exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff); RegionTranslate(pRegion, xoff, yoff); if (pExaScr->fallback_counter || pExaPixmap->accel_blocked) goto out; if (pExaScr->do_migration) { ExaMigrationRec pixmaps[1]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pPixmap; pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillSolid, alu, hasClientClip) ? NULL : pRegion; exaDoMigration(pixmaps, 1, TRUE); } if (exaPixmapHasGpuCopy(pPixmap) && (*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel)) { int nbox; BoxPtr pBox; nbox = RegionNumRects(pRegion); pBox = RegionRects(pRegion); while (nbox--) { (*pExaScr->info->Solid) (pPixmap, pBox->x1, pBox->y1, pBox->x2, pBox->y2); pBox++; } (*pExaScr->info->DoneSolid) (pPixmap); exaMarkSync(pDrawable->pScreen); if (pExaPixmap->pDamage && pExaPixmap->sys_ptr && pDrawable->type == DRAWABLE_PIXMAP && pDrawable->width == 1 && pDrawable->height == 1 && pDrawable->bitsPerPixel != 24 && alu == GXcopy) { RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage); switch (pDrawable->bitsPerPixel) { case 32: *(CARD32 *) pExaPixmap->sys_ptr = pixel; break; case 16: *(CARD16 *) pExaPixmap->sys_ptr = pixel; break; case 8: case 4: case 1: *(CARD8 *) pExaPixmap->sys_ptr = pixel; } RegionUnion(&pExaPixmap->validSys, &pExaPixmap->validSys, pRegion); RegionUnion(&pExaPixmap->validFB, &pExaPixmap->validFB, pRegion); RegionSubtract(pending_damage, pending_damage, pRegion); } ret = TRUE; } out: RegionTranslate(pRegion, -xoff, -yoff); return ret; } /* Try to do an accelerated tile of the pTile into pRegion of pDrawable. * Based on fbFillRegionTiled(), fbTile(). */ Bool exaFillRegionTiled(DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile, DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu, Bool hasClientClip) { ExaScreenPriv(pDrawable->pScreen); PixmapPtr pPixmap; ExaPixmapPrivPtr pExaPixmap; ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile); int xoff, yoff; int tileWidth, tileHeight; int nbox = RegionNumRects(pRegion); BoxPtr pBox = RegionRects(pRegion); Bool ret = FALSE; int i; tileWidth = pTile->drawable.width; tileHeight = pTile->drawable.height; /* If we're filling with a solid color, grab it out and go to * FillRegionSolid, saving numerous copies. */ if (tileWidth == 1 && tileHeight == 1) return exaFillRegionSolid(pDrawable, pRegion, exaGetPixmapFirstPixel(pTile), planemask, alu, hasClientClip); pPixmap = exaGetDrawablePixmap(pDrawable); pExaPixmap = ExaGetPixmapPriv(pPixmap); if (pExaScr->fallback_counter || pExaPixmap->accel_blocked || pTileExaPixmap->accel_blocked) return FALSE; if (pExaScr->do_migration) { ExaMigrationRec pixmaps[2]; pixmaps[0].as_dst = TRUE; pixmaps[0].as_src = FALSE; pixmaps[0].pPix = pPixmap; pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillTiled, alu, hasClientClip) ? NULL : pRegion; pixmaps[1].as_dst = FALSE; pixmaps[1].as_src = TRUE; pixmaps[1].pPix = pTile; pixmaps[1].pReg = NULL; exaDoMigration(pixmaps, 2, TRUE); } pPixmap = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff); if (!pPixmap || !exaPixmapHasGpuCopy(pTile)) return FALSE; if ((*pExaScr->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask)) { if (xoff || yoff) RegionTranslate(pRegion, xoff, yoff); for (i = 0; i < nbox; i++) { int height = pBox[i].y2 - pBox[i].y1; int dstY = pBox[i].y1; int tileY; if (alu == GXcopy) height = min(height, tileHeight); modulus(dstY - yoff - pDrawable->y - pPatOrg->y, tileHeight, tileY); while (height > 0) { int width = pBox[i].x2 - pBox[i].x1; int dstX = pBox[i].x1; int tileX; int h = tileHeight - tileY; if (alu == GXcopy) width = min(width, tileWidth); if (h > height) h = height; height -= h; modulus(dstX - xoff - pDrawable->x - pPatOrg->x, tileWidth, tileX); while (width > 0) { int w = tileWidth - tileX; if (w > width) w = width; width -= w; (*pExaScr->info->Copy) (pPixmap, tileX, tileY, dstX, dstY, w, h); dstX += w; tileX = 0; } dstY += h; tileY = 0; } } (*pExaScr->info->DoneCopy) (pPixmap); /* With GXcopy, we only need to do the basic algorithm up to the tile * size; then, we can just keep doubling the destination in each * direction until it fills the box. This way, the number of copy * operations is O(log(rx)) + O(log(ry)) instead of O(rx * ry), where * rx/ry is the ratio between box and tile width/height. This can make * a big difference if each driver copy incurs a significant constant * overhead. */ if (alu != GXcopy) ret = TRUE; else { Bool more_copy = FALSE; for (i = 0; i < nbox; i++) { int dstX = pBox[i].x1 + tileWidth; int dstY = pBox[i].y1 + tileHeight; if ((dstX < pBox[i].x2) || (dstY < pBox[i].y2)) { more_copy = TRUE; break; } } if (more_copy == FALSE) ret = TRUE; if (more_copy && (*pExaScr->info->PrepareCopy) (pPixmap, pPixmap, 1, 1, alu, planemask)) { for (i = 0; i < nbox; i++) { int dstX = pBox[i].x1 + tileWidth; int dstY = pBox[i].y1 + tileHeight; int width = min(pBox[i].x2 - dstX, tileWidth); int height = min(pBox[i].y2 - pBox[i].y1, tileHeight); while (dstX < pBox[i].x2) { (*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1, dstX, pBox[i].y1, width, height); dstX += width; width = min(pBox[i].x2 - dstX, width * 2); } width = pBox[i].x2 - pBox[i].x1; height = min(pBox[i].y2 - dstY, tileHeight); while (dstY < pBox[i].y2) { (*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1, pBox[i].x1, dstY, width, height); dstY += height; height = min(pBox[i].y2 - dstY, height * 2); } } (*pExaScr->info->DoneCopy) (pPixmap); ret = TRUE; } } exaMarkSync(pDrawable->pScreen); if (xoff || yoff) RegionTranslate(pRegion, -xoff, -yoff); } return ret; } /** * Accelerates GetImage for solid ZPixmap downloads from framebuffer memory. * * This is probably the only case we actually care about. The rest fall through * to migration and fbGetImage, which hopefully will result in migration pushing * the pixmap out of framebuffer. */ void exaGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, unsigned int format, unsigned long planeMask, char *d) { ExaScreenPriv(pDrawable->pScreen); PixmapPtr pPix = exaGetDrawablePixmap(pDrawable); ExaPixmapPriv(pPix); int xoff, yoff; Bool ok; if (pExaScr->fallback_counter || pExaScr->swappedOut) goto fallback; /* If there's a system copy, we want to save the result there */ if (pExaPixmap->pDamage) goto fallback; pPix = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff); if (pPix == NULL || pExaScr->info->DownloadFromScreen == NULL) goto fallback; /* Only cover the ZPixmap, solid copy case. */ if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask)) goto fallback; /* Only try to handle the 8bpp and up cases, since we don't want to think * about <8bpp. */ if (pDrawable->bitsPerPixel < 8) goto fallback; ok = pExaScr->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff, pDrawable->y + y + yoff, w, h, d, PixmapBytePad(w, pDrawable->depth)); if (ok) { exaWaitSync(pDrawable->pScreen); return; } fallback: ExaCheckGetImage(pDrawable, x, y, w, h, format, planeMask, d); }