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Diffstat (limited to 'nx-X11/programs/Xserver/fb/fbsetsp.c')
-rw-r--r--nx-X11/programs/Xserver/fb/fbsetsp.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/fb/fbsetsp.c b/nx-X11/programs/Xserver/fb/fbsetsp.c
new file mode 100644
index 000000000..eefc2da82
--- /dev/null
+++ b/nx-X11/programs/Xserver/fb/fbsetsp.c
@@ -0,0 +1,104 @@
+/*
+ * Id: fbsetsp.c,v 1.1 1999/11/02 03:54:45 keithp Exp $
+ *
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/* $XFree86: xc/programs/Xserver/fb/fbsetsp.c,v 1.4 2000/05/06 21:09:34 keithp Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+
+void
+fbSetSpans (DrawablePtr pDrawable,
+ GCPtr pGC,
+ char *src,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ int fSorted)
+{
+ FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
+ RegionPtr pClip = fbGetCompositeClip(pGC);
+ FbBits *dst, *d, *s;
+ FbStride dstStride;
+ int dstBpp;
+ int dstXoff, dstYoff;
+ BoxPtr pbox;
+ int n;
+ int xoff;
+ int x1, x2;
+
+#ifdef FB_24_32BIT
+ if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
+ {
+ fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
+ return;
+ }
+#endif
+ fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+ while (nspans--)
+ {
+ d = dst + (ppt->y + dstYoff) * dstStride;
+ xoff = (int) (((long) src) & (FB_MASK >> 3));
+ s = (FbBits *) (src - xoff);
+ xoff <<= 3;
+ n = REGION_NUM_RECTS(pClip);
+ pbox = REGION_RECTS (pClip);
+ while (n--)
+ {
+ if (pbox->y1 > ppt->y)
+ break;
+ if (pbox->y2 > ppt->y)
+ {
+ x1 = ppt->x;
+ x2 = x1 + *pwidth;
+ if (pbox->x1 > x1)
+ x1 = pbox->x1;
+ if (pbox->x2 < x2)
+ x2 = pbox->x2;
+ if (x1 < x2)
+ fbBlt ((FbBits *) s,
+ 0,
+ (x1 - ppt->x) * dstBpp + xoff,
+ d,
+ dstStride,
+ (x1 + dstXoff) * dstBpp,
+
+ (x2 - x1) * dstBpp,
+ 1,
+ pGC->alu,
+ pPriv->pm,
+ dstBpp,
+
+ FALSE,
+ FALSE);
+ }
+ }
+ src += PixmapBytePad (*pwidth, pDrawable->depth);
+ ppt++;
+ pwidth++;
+ }
+ fbValidateDrawable (pDrawable);
+}
+