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-rw-r--r--xorg-server/exa/exa_accel.c2608
1 files changed, 1304 insertions, 1304 deletions
diff --git a/xorg-server/exa/exa_accel.c b/xorg-server/exa/exa_accel.c
index 57029fdc5..e30ddce74 100644
--- a/xorg-server/exa/exa_accel.c
+++ b/xorg-server/exa/exa_accel.c
@@ -1,1304 +1,1304 @@
-/*
- * 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 = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
- if (nbox == 1)
- {
- (*pExaScr->info->Solid) (pPixmap,
- fullX1 + off_x, fullY1 + off_y,
- fullX2 + off_x, fullY1 + 1 + off_y);
- }
- else
- {
- pbox = REGION_RECTS(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 = REGION_NUM_RECTS(pClip),
- pbox = REGION_RECTS(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 = xalloc(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 miRegionCopy() 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 = RECTS_TO_REGION(pScreen, nbox, rects, ordering);
- xfree(rects);
-
- if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,
- pGC->fillStyle, pGC->alu,
- pGC->clientClipType)) {
- dstregion = REGION_CREATE(pScreen, NullBox, 0);
- REGION_COPY(pScreen, dstregion, srcregion);
- REGION_TRANSLATE(pScreen, 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) {
- REGION_UNINIT(pScreen, dstregion);
- REGION_DESTROY(pScreen, dstregion);
- }
- if (srcregion) {
- REGION_UNINIT(pScreen, srcregion);
- REGION_DESTROY(pScreen, 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 = xalloc(sizeof(xRectangle) * npt);
- 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);
- xfree(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 = xalloc(sizeof(xRectangle) * (npt - 1));
- 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) {
- xfree(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);
- xfree(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 = xalloc(sizeof(xRectangle) * nseg);
- 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);
- xfree(prect);
-}
-
-static Bool exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion,
- Pixel pixel, CARD32 planemask, CARD32 alu,
- unsigned int clientClipType);
-
-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 = RECTS_TO_REGION(pScreen, nrect, prect, CT_UNSORTED);
-
- /* Compute intersection of rects and clip region */
- REGION_TRANSLATE(pScreen, pReg, pDrawable->x, pDrawable->y);
- REGION_INTERSECT(pScreen, pReg, pClip, pReg);
-
- if (!REGION_NUM_RECTS(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->clientClipType)) ||
- (pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&
- exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
- pGC->planemask, pGC->alu,
- pGC->clientClipType))) {
- 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 = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
- if (n == 1)
- {
- (*pExaScr->info->Solid) (pPixmap,
- fullX1 + xoff, fullY1 + yoff,
- fullX2 + xoff, fullY2 + yoff);
- }
- else
- {
- pbox = REGION_RECTS(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:
- REGION_UNINIT(pScreen, pReg);
- REGION_DESTROY(pScreen, 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;
- REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
-
- REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
-
- REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
-#ifdef COMPOSITE
- if (pPixmap->screen_x || pPixmap->screen_y)
- REGION_TRANSLATE (pWin->drawable.pScreen, &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:
- REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
-
- if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) {
- pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW;
- REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, dx, dy);
- ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc);
- }
-}
-
-static Bool
-exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion, Pixel pixel,
- CARD32 planemask, CARD32 alu, unsigned int clientClipType)
-{
- ExaScreenPriv(pDrawable->pScreen);
- PixmapPtr pPixmap = exaGetDrawablePixmap (pDrawable);
- ExaPixmapPriv (pPixmap);
- int xoff, yoff;
- Bool ret = FALSE;
-
- exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
- REGION_TRANSLATE(pScreen, 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, clientClipType) ? NULL : pRegion;
-
- exaDoMigration (pixmaps, 1, TRUE);
- }
-
- if (exaPixmapHasGpuCopy (pPixmap) &&
- (*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
- {
- int nbox;
- BoxPtr pBox;
-
- nbox = REGION_NUM_RECTS (pRegion);
- pBox = REGION_RECTS (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) {
- ExaPixmapPriv(pPixmap);
- 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:
- *(CARD8*)pExaPixmap->sys_ptr = pixel;
- }
-
- REGION_UNION(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
- pRegion);
- REGION_UNION(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
- pRegion);
- REGION_SUBTRACT(pScreen, pending_damage, pending_damage, pRegion);
- }
-
- ret = TRUE;
- }
-
-out:
- REGION_TRANSLATE(pScreen, 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,
- unsigned int clientClipType)
-{
- ExaScreenPriv(pDrawable->pScreen);
- PixmapPtr pPixmap;
- ExaPixmapPrivPtr pExaPixmap;
- ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile);
- int xoff, yoff;
- int tileWidth, tileHeight;
- int nbox = REGION_NUM_RECTS (pRegion);
- BoxPtr pBox = REGION_RECTS (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, clientClipType);
-
- 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, clientClipType) ? 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)
- REGION_TRANSLATE(pScreen, 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)
- REGION_TRANSLATE(pScreen, 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);
-}
+/*
+ * 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 = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
+ if (nbox == 1)
+ {
+ (*pExaScr->info->Solid) (pPixmap,
+ fullX1 + off_x, fullY1 + off_y,
+ fullX2 + off_x, fullY1 + 1 + off_y);
+ }
+ else
+ {
+ pbox = REGION_RECTS(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 = REGION_NUM_RECTS(pClip),
+ pbox = REGION_RECTS(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 = malloc(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 miRegionCopy() 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 = RECTS_TO_REGION(pScreen, nbox, rects, ordering);
+ free(rects);
+
+ if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,
+ pGC->fillStyle, pGC->alu,
+ pGC->clientClipType)) {
+ dstregion = REGION_CREATE(pScreen, NullBox, 0);
+ REGION_COPY(pScreen, dstregion, srcregion);
+ REGION_TRANSLATE(pScreen, 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) {
+ REGION_UNINIT(pScreen, dstregion);
+ REGION_DESTROY(pScreen, dstregion);
+ }
+ if (srcregion) {
+ REGION_UNINIT(pScreen, srcregion);
+ REGION_DESTROY(pScreen, 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 = malloc(sizeof(xRectangle) * npt);
+ 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 = malloc(sizeof(xRectangle) * (npt - 1));
+ 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 = malloc(sizeof(xRectangle) * nseg);
+ 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,
+ unsigned int clientClipType);
+
+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 = RECTS_TO_REGION(pScreen, nrect, prect, CT_UNSORTED);
+
+ /* Compute intersection of rects and clip region */
+ REGION_TRANSLATE(pScreen, pReg, pDrawable->x, pDrawable->y);
+ REGION_INTERSECT(pScreen, pReg, pClip, pReg);
+
+ if (!REGION_NUM_RECTS(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->clientClipType)) ||
+ (pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&
+ exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
+ pGC->planemask, pGC->alu,
+ pGC->clientClipType))) {
+ 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 = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
+ if (n == 1)
+ {
+ (*pExaScr->info->Solid) (pPixmap,
+ fullX1 + xoff, fullY1 + yoff,
+ fullX2 + xoff, fullY2 + yoff);
+ }
+ else
+ {
+ pbox = REGION_RECTS(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:
+ REGION_UNINIT(pScreen, pReg);
+ REGION_DESTROY(pScreen, 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;
+ REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
+
+ REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
+
+ REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
+#ifdef COMPOSITE
+ if (pPixmap->screen_x || pPixmap->screen_y)
+ REGION_TRANSLATE (pWin->drawable.pScreen, &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:
+ REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
+
+ if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) {
+ pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW;
+ REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, dx, dy);
+ ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc);
+ }
+}
+
+static Bool
+exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion, Pixel pixel,
+ CARD32 planemask, CARD32 alu, unsigned int clientClipType)
+{
+ ExaScreenPriv(pDrawable->pScreen);
+ PixmapPtr pPixmap = exaGetDrawablePixmap (pDrawable);
+ ExaPixmapPriv (pPixmap);
+ int xoff, yoff;
+ Bool ret = FALSE;
+
+ exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, 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, clientClipType) ? NULL : pRegion;
+
+ exaDoMigration (pixmaps, 1, TRUE);
+ }
+
+ if (exaPixmapHasGpuCopy (pPixmap) &&
+ (*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
+ {
+ int nbox;
+ BoxPtr pBox;
+
+ nbox = REGION_NUM_RECTS (pRegion);
+ pBox = REGION_RECTS (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) {
+ ExaPixmapPriv(pPixmap);
+ 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:
+ *(CARD8*)pExaPixmap->sys_ptr = pixel;
+ }
+
+ REGION_UNION(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
+ pRegion);
+ REGION_UNION(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
+ pRegion);
+ REGION_SUBTRACT(pScreen, pending_damage, pending_damage, pRegion);
+ }
+
+ ret = TRUE;
+ }
+
+out:
+ REGION_TRANSLATE(pScreen, 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,
+ unsigned int clientClipType)
+{
+ ExaScreenPriv(pDrawable->pScreen);
+ PixmapPtr pPixmap;
+ ExaPixmapPrivPtr pExaPixmap;
+ ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile);
+ int xoff, yoff;
+ int tileWidth, tileHeight;
+ int nbox = REGION_NUM_RECTS (pRegion);
+ BoxPtr pBox = REGION_RECTS (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, clientClipType);
+
+ 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, clientClipType) ? 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)
+ REGION_TRANSLATE(pScreen, 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)
+ REGION_TRANSLATE(pScreen, 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 09:41:01 +0000