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-rw-r--r--uxa/uxa-accel.c1038
1 files changed, 1038 insertions, 0 deletions
diff --git a/uxa/uxa-accel.c b/uxa/uxa-accel.c
new file mode 100644
index 00000000..7c7b3e9b
--- /dev/null
+++ b/uxa/uxa-accel.c
@@ -0,0 +1,1038 @@
+/*
+ * 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 "uxa-priv.h"
+#include <X11/fonts/fontstruct.h>
+#include "dixfontstr.h"
+#include "uxa.h"
+
+static void
+uxa_fill_spans(DrawablePtr pDrawable, GCPtr pGC, int n,
+ DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ uxa_screen_t *uxa_screen = uxa_get_screen(pScreen);
+ RegionPtr pClip = fbGetCompositeClip(pGC);
+ PixmapPtr pPixmap = uxa_get_drawable_pixmap (pDrawable);
+ BoxPtr pextent, pbox;
+ int nbox;
+ int extentX1, extentX2, extentY1, extentY2;
+ int fullX1, fullX2, fullY1;
+ int partX1, partX2;
+ int off_x, off_y;
+
+ if (uxa_screen->swappedOut || pGC->fillStyle != FillSolid ||
+ !(pPixmap = uxa_get_offscreen_pixmap (pDrawable, &off_x, &off_y)) ||
+ !(*uxa_screen->info->PrepareSolid) (pPixmap,
+ pGC->alu,
+ pGC->planemask,
+ pGC->fgPixel))
+ {
+ uxa_check_fill_spans (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)
+ {
+ (*uxa_screen->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) {
+ (*uxa_screen->info->Solid) (pPixmap,
+ partX1 + off_x, fullY1 + off_y,
+ partX2 + off_x, fullY1 + 1 + off_y);
+ }
+ }
+ pbox++;
+ }
+ }
+ }
+ (*uxa_screen->info->DoneSolid) (pPixmap);
+ uxa_mark_sync(pScreen);
+}
+
+static Bool
+uxa_do_put_image (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
+ int w, int h, int format, char *bits, int src_stride)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDrawable->pScreen);
+ PixmapPtr pPix = uxa_get_drawable_pixmap (pDrawable);
+ RegionPtr pClip;
+ BoxPtr pbox;
+ int nbox;
+ int xoff, yoff;
+ int bpp = pDrawable->bitsPerPixel;
+ Bool access_prepared = FALSE;
+
+ /* Don't bother with under 8bpp, XYPixmaps. */
+ if (format != ZPixmap || bpp < 8)
+ return FALSE;
+
+ /* Only accelerate copies: no rop or planemask. */
+ if (!UXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)
+ return FALSE;
+
+ if (uxa_screen->swappedOut)
+ return FALSE;
+
+ pPix = uxa_get_offscreen_pixmap (pDrawable, &xoff, &yoff);
+
+ if (!pPix || !uxa_screen->info->UploadToScreen)
+ 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 = uxa_screen->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff,
+ x2 - x1, y2 - y1, src, src_stride);
+ /* If we fail to accelerate the upload, fall back to using unaccelerated
+ * fb calls.
+ */
+ if (!ok) {
+ FbStip *dst;
+ FbStride dst_stride;
+ int dstBpp;
+ int dstXoff, dstYoff;
+
+ if (!access_prepared) {
+ uxa_prepare_access(pDrawable, UXA_PREPARE_DEST);
+
+ access_prepared = TRUE;
+ }
+
+ fbGetStipDrawable(pDrawable, dst, dst_stride, dstBpp,
+ dstXoff, dstYoff);
+
+ fbBltStip((FbStip *)bits + (y1 - y) * (src_stride / sizeof(FbStip)),
+ src_stride / sizeof(FbStip),
+ (x1 - x) * dstBpp,
+ dst + (y1 + dstYoff) * dst_stride,
+ dst_stride,
+ (x1 + dstXoff) * dstBpp,
+ (x2 - x1) * dstBpp,
+ y2 - y1,
+ GXcopy, FB_ALLONES, dstBpp);
+ }
+ }
+
+ if (access_prepared)
+ uxa_finish_access(pDrawable, UXA_PREPARE_DEST);
+ else
+ uxa_mark_sync(pDrawable->pScreen);
+
+ return TRUE;
+}
+
+#ifdef MITSHM
+
+static Bool
+uxa_do_shm_put_image(DrawablePtr pDrawable, GCPtr pGC, int depth,
+ unsigned int format, int w, int h, int sx, int sy, int sw,
+ int sh, int dx, int dy, char *data)
+{
+ int src_stride = PixmapBytePad(w, depth);
+
+ if (uxa_do_put_image(pDrawable, pGC, depth, dx, dy, sw, sh, format, data +
+ sy * src_stride + sx * BitsPerPixel(depth) / 8,
+ src_stride))
+ return TRUE;
+
+ if (format == ZPixmap)
+ {
+ PixmapPtr pPixmap;
+
+ pPixmap = GetScratchPixmapHeader(pDrawable->pScreen, w, h, depth,
+ BitsPerPixel(depth), PixmapBytePad(w, depth), (pointer)data);
+ if (!pPixmap)
+ return FALSE;
+
+ uxa_prepare_access (pDrawable, UXA_PREPARE_DEST);
+
+ fbCopyArea((DrawablePtr)pPixmap, pDrawable, pGC, sx, sy, sw, sh, dx, dy);
+ uxa_finish_access(pDrawable, UXA_PREPARE_DEST);
+
+ FreeScratchPixmapHeader(pPixmap);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* The actual ShmPutImage isn't wrapped by the damage layer, so we need to
+ * inform any interested parties of the damage incurred to the drawable.
+ *
+ * We also need to set the pending damage to ensure correct migration in all
+ * cases.
+ */
+void
+uxa_shm_put_image(DrawablePtr pDrawable, GCPtr pGC, int depth, unsigned int format,
+ int w, int h, int sx, int sy, int sw, int sh, int dx, int dy,
+ char *data)
+{
+ if (!uxa_do_shm_put_image(pDrawable, pGC, depth, format, w, h, sx, sy, sw, sh,
+ dx, dy, data)) {
+ uxa_prepare_access (pDrawable, UXA_PREPARE_DEST);
+ fbShmPutImage(pDrawable, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy,
+ data);
+ uxa_finish_access(pDrawable, UXA_PREPARE_DEST);
+ }
+}
+
+ShmFuncs uxa_shm_funcs = { NULL, uxa_shm_put_image };
+
+#endif
+
+static void
+uxa_put_image (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
+ int w, int h, int leftPad, int format, char *bits)
+{
+#ifdef MITSHM
+ if (!uxa_do_shm_put_image(pDrawable, pGC, depth, format, w, h, 0, 0, w, h, x, y,
+ bits))
+#else
+ if (!uxa_do_put_image(pDrawable, pGC, depth, x, y, w, h, format, bits,
+ PixmapBytePad(w, pDrawable->depth)))
+#endif
+ uxa_check_put_image(pDrawable, pGC, depth, x, y, w, h, leftPad, format,
+ bits);
+}
+
+static Bool inline
+uxa_copy_n_to_n_two_dir (DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
+ GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(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 = uxa_get_offscreen_pixmap (pSrcDrawable, &src_off_x, &src_off_y);
+ pDstPixmap = uxa_get_offscreen_pixmap (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)
+ uxa_screen->info->DoneCopy(pDstPixmap);
+ dirsetup = -1;
+ if (!(*uxa_screen->info->PrepareCopy)(pSrcPixmap,
+ pDstPixmap,
+ -1, -1,
+ pGC ? pGC->alu : GXcopy,
+ pGC ? pGC->planemask :
+ FB_ALLONES))
+ return FALSE;
+ }
+ (*uxa_screen->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)
+ uxa_screen->info->DoneCopy(pDstPixmap);
+ dirsetup = 1;
+ if (!(*uxa_screen->info->PrepareCopy)(pSrcPixmap,
+ pDstPixmap,
+ 1, 1,
+ pGC ? pGC->alu : GXcopy,
+ pGC ? pGC->planemask :
+ FB_ALLONES))
+ return FALSE;
+ }
+ (*uxa_screen->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)
+ uxa_screen->info->DoneCopy(pDstPixmap);
+ dirsetup = 1;
+ if (!(*uxa_screen->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--)
+ (*uxa_screen->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)
+ uxa_screen->info->DoneCopy(pDstPixmap);
+ dirsetup = -1;
+ if (!(*uxa_screen->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++)
+ (*uxa_screen->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)
+ uxa_screen->info->DoneCopy(pDstPixmap);
+ uxa_mark_sync(pDstDrawable->pScreen);
+ return TRUE;
+}
+
+void
+uxa_copy_n_to_n (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ BoxPtr pbox,
+ int nbox,
+ int dx,
+ int dy,
+ Bool reverse,
+ Bool upsidedown,
+ Pixel bitplane,
+ void *closure)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDstDrawable->pScreen);
+ int src_off_x, src_off_y;
+ int dst_off_x, dst_off_y;
+ PixmapPtr pSrcPixmap, pDstPixmap;
+
+ pSrcPixmap = uxa_get_drawable_pixmap (pSrcDrawable);
+ pDstPixmap = uxa_get_drawable_pixmap (pDstDrawable);
+
+ uxa_get_drawable_deltas (pSrcDrawable, pSrcPixmap, &src_off_x, &src_off_y);
+ uxa_get_drawable_deltas (pDstDrawable, pDstPixmap, &dst_off_x, &dst_off_y);
+
+ /* Mixed directions must be handled specially if the card is lame */
+ if ((uxa_screen->info->flags & UXA_TWO_BITBLT_DIRECTIONS) &&
+ reverse != upsidedown) {
+ if (uxa_copy_n_to_n_two_dir(pSrcDrawable, pDstDrawable, pGC, pbox, nbox,
+ dx, dy))
+ return;
+ goto fallback;
+ }
+
+ if (!uxa_pixmap_is_offscreen(pSrcPixmap) ||
+ !uxa_pixmap_is_offscreen(pDstPixmap) ||
+ !(*uxa_screen->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse ? -1 : 1,
+ upsidedown ? -1 : 1,
+ pGC ? pGC->alu : GXcopy,
+ pGC ? pGC->planemask : FB_ALLONES)) {
+ goto fallback;
+ }
+
+ while (nbox--)
+ {
+ (*uxa_screen->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++;
+ }
+
+ (*uxa_screen->info->DoneCopy) (pDstPixmap);
+ uxa_mark_sync (pDstDrawable->pScreen);
+
+ return;
+
+fallback:
+ UXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrcDrawable, pDstDrawable,
+ uxa_drawable_location(pSrcDrawable),
+ uxa_drawable_location(pDstDrawable)));
+ uxa_prepare_access (pDstDrawable, UXA_PREPARE_DEST);
+ uxa_prepare_access (pSrcDrawable, UXA_PREPARE_SRC);
+ fbCopyNtoN (pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse,
+ upsidedown, bitplane, closure);
+ uxa_finish_access (pSrcDrawable, UXA_PREPARE_SRC);
+ uxa_finish_access (pDstDrawable, UXA_PREPARE_DEST);
+}
+
+RegionPtr
+uxa_copy_area(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
+ int srcx, int srcy, int width, int height, int dstx, int dsty)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDstDrawable->pScreen);
+
+ if (uxa_screen->swappedOut) {
+ return uxa_check_copy_area(pSrcDrawable, pDstDrawable, pGC,
+ srcx, srcy, width, height, dstx, dsty);
+ }
+
+ return fbDoCopy (pSrcDrawable, pDstDrawable, pGC,
+ srcx, srcy, width, height,
+ dstx, dsty, uxa_copy_n_to_n, 0, NULL);
+}
+
+static void
+uxa_poly_point(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr ppt)
+{
+ int i;
+ xRectangle *prect;
+
+ /* If we can't reuse the current GC as is, don't bother accelerating the
+ * points.
+ */
+ if (pGC->fillStyle != FillSolid) {
+ uxa_check_poly_point(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);
+}
+
+/**
+ * uxa_poly_lines() 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
+uxa_poly_lines(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr ppt)
+{
+ xRectangle *prect;
+ int x1, x2, y1, y2;
+ int i;
+
+ /* Don't try to do wide lines or non-solid fill style. */
+ if (pGC->lineWidth != 0 || pGC->lineStyle != LineSolid ||
+ pGC->fillStyle != FillSolid) {
+ uxa_check_poly_lines(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);
+ uxa_check_poly_lines(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);
+}
+
+/**
+ * uxa_poly_segment() 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
+uxa_poly_segment (DrawablePtr pDrawable, GCPtr pGC, int nseg,
+ xSegment *pSeg)
+{
+ xRectangle *prect;
+ int i;
+
+ /* Don't try to do wide lines or non-solid fill style. */
+ if (pGC->lineWidth != 0 || pGC->lineStyle != LineSolid ||
+ pGC->fillStyle != FillSolid)
+ {
+ uxa_check_poly_segment(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) {
+ uxa_check_poly_segment(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 uxa_fill_region_solid (DrawablePtr pDrawable, RegionPtr pRegion,
+ Pixel pixel, CARD32 planemask, CARD32 alu);
+
+static void
+uxa_poly_fill_rect(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nrect,
+ xRectangle *prect)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDrawable->pScreen);
+ RegionPtr pClip = fbGetCompositeClip(pGC);
+ PixmapPtr pPixmap = uxa_get_drawable_pixmap(pDrawable);
+ 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;
+
+ uxa_get_drawable_deltas(pDrawable, pPixmap, &xoff, &yoff);
+
+ if (uxa_screen->swappedOut)
+ goto fallback;
+
+ /* For ROPs where overlaps don't matter, convert rectangles to region and
+ * call uxa_fill_region_{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) &&
+ uxa_fill_region_solid(pDrawable, pReg, pGC->fillStyle == FillSolid ?
+ pGC->fgPixel : pGC->tile.pixel, pGC->planemask,
+ pGC->alu)) ||
+ (pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&
+ uxa_fill_region_tiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
+ pGC->planemask, pGC->alu))) {
+ goto out;
+ }
+ }
+
+ if (pGC->fillStyle != FillSolid &&
+ !(pGC->tileIsPixel && pGC->fillStyle == FillTiled))
+ {
+ goto fallback;
+ }
+
+ if (!uxa_pixmap_is_offscreen (pPixmap) ||
+ !(*uxa_screen->info->PrepareSolid) (pPixmap,
+ pGC->alu,
+ pGC->planemask,
+ pGC->fgPixel))
+ {
+fallback:
+ uxa_check_poly_fill_rect (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)
+ {
+ (*uxa_screen->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) {
+ (*uxa_screen->info->Solid) (pPixmap,
+ partX1 + xoff, partY1 + yoff,
+ partX2 + xoff, partY2 + yoff);
+ }
+ }
+ }
+ }
+ (*uxa_screen->info->DoneSolid) (pPixmap);
+ uxa_mark_sync(pDrawable->pScreen);
+
+out:
+ REGION_UNINIT(pScreen, pReg);
+ REGION_DESTROY(pScreen, pReg);
+}
+
+const GCOps uxa_ops = {
+ uxa_fill_spans,
+ uxa_check_set_spans,
+ uxa_put_image,
+ uxa_copy_area,
+ uxa_check_copy_plane,
+ uxa_poly_point,
+ uxa_poly_lines,
+ uxa_poly_segment,
+ miPolyRectangle,
+ uxa_check_poly_arc,
+ miFillPolygon,
+ uxa_poly_fill_rect,
+ miPolyFillArc,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ uxa_check_image_glyph_blt,
+ uxa_check_poly_glyph_blt,
+ uxa_check_push_pixels,
+};
+
+void
+uxa_copy_window(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ RegionRec rgnDst;
+ int dx, dy;
+ PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
+
+ 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
+
+ fbCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
+ NULL,
+ &rgnDst, dx, dy, uxa_copy_n_to_n, 0, NULL);
+
+ REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
+}
+
+static Bool
+uxa_fill_region_solid (DrawablePtr pDrawable,
+ RegionPtr pRegion,
+ Pixel pixel,
+ CARD32 planemask,
+ CARD32 alu)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDrawable->pScreen);
+ PixmapPtr pPixmap = uxa_get_drawable_pixmap (pDrawable);
+ int xoff, yoff;
+ Bool ret = FALSE;
+
+ uxa_get_drawable_deltas(pDrawable, pPixmap, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, pRegion, xoff, yoff);
+
+ if (uxa_pixmap_is_offscreen (pPixmap) &&
+ (*uxa_screen->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
+ {
+ int nbox;
+ BoxPtr pBox;
+
+ nbox = REGION_NUM_RECTS (pRegion);
+ pBox = REGION_RECTS (pRegion);
+
+ while (nbox--)
+ {
+ (*uxa_screen->info->Solid) (pPixmap, pBox->x1, pBox->y1, pBox->x2,
+ pBox->y2);
+ pBox++;
+ }
+ (*uxa_screen->info->DoneSolid) (pPixmap);
+ uxa_mark_sync(pDrawable->pScreen);
+
+ ret = TRUE;
+ }
+
+ 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
+uxa_fill_region_tiled (DrawablePtr pDrawable,
+ RegionPtr pRegion,
+ PixmapPtr pTile,
+ DDXPointPtr pPatOrg,
+ CARD32 planemask,
+ CARD32 alu)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDrawable->pScreen);
+ PixmapPtr pPixmap;
+ int xoff, yoff;
+ int tileWidth, tileHeight;
+ int nbox = REGION_NUM_RECTS (pRegion);
+ BoxPtr pBox = REGION_RECTS (pRegion);
+ Bool ret = FALSE;
+
+ 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 uxa_fill_region_solid(pDrawable, pRegion,
+ uxa_get_pixmap_first_pixel (pTile), planemask,
+ alu);
+
+ pPixmap = uxa_get_drawable_pixmap (pDrawable);
+ uxa_get_drawable_deltas(pDrawable, pPixmap, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, pRegion, xoff, yoff);
+
+ pPixmap = uxa_get_offscreen_pixmap (pDrawable, &xoff, &yoff);
+
+ if (!pPixmap || !uxa_pixmap_is_offscreen(pTile))
+ goto out;
+
+ if ((*uxa_screen->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask))
+ {
+ while (nbox--)
+ {
+ int height = pBox->y2 - pBox->y1;
+ int dstY = pBox->y1;
+ int tileY;
+
+ modulus(dstY - yoff - pDrawable->y - pPatOrg->y, tileHeight, tileY);
+
+ while (height > 0) {
+ int width = pBox->x2 - pBox->x1;
+ int dstX = pBox->x1;
+ int tileX;
+ int h = tileHeight - tileY;
+
+ 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;
+
+ (*uxa_screen->info->Copy) (pPixmap, tileX, tileY, dstX, dstY,
+ w, h);
+ dstX += w;
+ tileX = 0;
+ }
+ dstY += h;
+ tileY = 0;
+ }
+ pBox++;
+ }
+ (*uxa_screen->info->DoneCopy) (pPixmap);
+ uxa_mark_sync(pDrawable->pScreen);
+
+ ret = TRUE;
+ }
+
+out:
+ 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
+uxa_get_image (DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask, char *d)
+{
+ uxa_screen_t *uxa_screen = uxa_get_screen(pDrawable->pScreen);
+ BoxRec Box;
+ PixmapPtr pPix = uxa_get_drawable_pixmap (pDrawable);
+ int xoff, yoff;
+ Bool ok;
+
+ uxa_get_drawable_deltas (pDrawable, pPix, &xoff, &yoff);
+
+ Box.x1 = pDrawable->y + x + xoff;
+ Box.y1 = pDrawable->y + y + yoff;
+ Box.x2 = Box.x1 + w;
+ Box.y2 = Box.y1 + h;
+
+ if (uxa_screen->swappedOut)
+ goto fallback;
+
+ pPix = uxa_get_offscreen_pixmap (pDrawable, &xoff, &yoff);
+
+ if (pPix == NULL || uxa_screen->info->DownloadFromScreen == NULL)
+ goto fallback;
+
+ /* Only cover the ZPixmap, solid copy case. */
+ if (format != ZPixmap || !UXA_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 = uxa_screen->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff,
+ pDrawable->y + y + yoff, w, h, d,
+ PixmapBytePad(w, pDrawable->depth));
+ if (ok) {
+ uxa_wait_sync(pDrawable->pScreen);
+ goto out;
+ }
+
+fallback:
+ UXA_FALLBACK(("from %p (%c)\n", pDrawable,
+ uxa_drawable_location(pDrawable)));
+
+ uxa_prepare_access (pDrawable, UXA_PREPARE_SRC);
+ fbGetImage (pDrawable, x, y, w, h, format, planeMask, d);
+ uxa_finish_access (pDrawable, UXA_PREPARE_SRC);
+
+out:
+ return;
+}