diff options
Diffstat (limited to 'xorg-server/fb/fbgetsp.c')
| -rw-r--r-- | xorg-server/fb/fbgetsp.c | 172 |
1 files changed, 85 insertions, 87 deletions
diff --git a/xorg-server/fb/fbgetsp.c b/xorg-server/fb/fbgetsp.c index 6402c6c38..5c8396ac2 100644 --- a/xorg-server/fb/fbgetsp.c +++ b/xorg-server/fb/fbgetsp.c @@ -1,87 +1,85 @@ -/* - * 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 -fbGetSpans(DrawablePtr pDrawable, - int wMax, - DDXPointPtr ppt, - int *pwidth, - int nspans, - char *pchardstStart) -{ - FbBits *src, *dst; - FbStride srcStride; - int srcBpp; - int srcXoff, srcYoff; - int xoff; - - /* - * XFree86 DDX empties the root borderClip when the VT is - * switched away; this checks for that case - */ - if (!fbDrawableEnabled(pDrawable)) - return; - -#ifdef FB_24_32BIT - if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) - { - fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart); - return; - } -#endif - - fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); - - while (nspans--) - { - xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3)); - dst = (FbBits *) (pchardstStart - xoff); - xoff <<= 3; - fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride, - (ppt->x + srcXoff) * srcBpp, - - dst, - 1, - xoff, - - *pwidth * srcBpp, - 1, - - GXcopy, - FB_ALLONES, - srcBpp, - - FALSE, - FALSE); - pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth); - ppt++; - pwidth++; - } - - 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
+fbGetSpans(DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pchardstStart)
+{
+ FbBits *src, *dst;
+ FbStride srcStride;
+ int srcBpp;
+ int srcXoff, srcYoff;
+ int xoff;
+
+ /*
+ * XFree86 DDX empties the root borderClip when the VT is
+ * switched away; this checks for that case
+ */
+ if (!fbDrawableEnabled(pDrawable))
+ return;
+
+ if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
+ {
+ fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
+ return;
+ }
+
+ fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
+
+ while (nspans--)
+ {
+ xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3));
+ dst = (FbBits *) (pchardstStart - xoff);
+ xoff <<= 3;
+ fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride,
+ (ppt->x + srcXoff) * srcBpp,
+
+ dst,
+ 1,
+ xoff,
+
+ *pwidth * srcBpp,
+ 1,
+
+ GXcopy,
+ FB_ALLONES,
+ srcBpp,
+
+ FALSE,
+ FALSE);
+ pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
+ ppt++;
+ pwidth++;
+ }
+
+ fbFinishAccess (pDrawable);
+}
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