diff options
Diffstat (limited to 'xorg-server/fb/fbgetsp.c')
| -rw-r--r-- | xorg-server/fb/fbgetsp.c | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/xorg-server/fb/fbgetsp.c b/xorg-server/fb/fbgetsp.c index 5c8396ac2..bf9f51eb4 100644 --- a/xorg-server/fb/fbgetsp.c +++ b/xorg-server/fb/fbgetsp.c @@ -1,85 +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;
-
- 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);
-}
+/* + * 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); +} |