diff options
Diffstat (limited to 'xorg-server/fb/fbsetsp.c')
| -rw-r--r-- | xorg-server/fb/fbsetsp.c | 204 |
1 files changed, 102 insertions, 102 deletions
diff --git a/xorg-server/fb/fbsetsp.c b/xorg-server/fb/fbsetsp.c index 227ba4c62..ce016453f 100644 --- a/xorg-server/fb/fbsetsp.c +++ b/xorg-server/fb/fbsetsp.c @@ -1,102 +1,102 @@ -/* - * 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. - */ - -#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); - fbFinishAccess (pDrawable); -} - +/*
+ * 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.
+ */
+
+#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 = RegionNumRects(pClip);
+ pbox = RegionRects (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);
+ fbFinishAccess (pDrawable);
+}
+
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