sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/xserver/fb/fbsetsp.c
+++ b/xserver/fb/fbsetsp.c
@ -0,0 +1,80 @@
+/*
+ * 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;
+
+    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);
+}