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-rw-r--r--nx-X11/lib/Xrender/Trap.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/nx-X11/lib/Xrender/Trap.c b/nx-X11/lib/Xrender/Trap.c
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+++ b/nx-X11/lib/Xrender/Trap.c
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+/*
+ *
+ * Copyright © 2002 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_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+void
+XRenderCompositeTrapezoids (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ _Xconst XTrapezoid *traps,
+ int ntrap)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderTrapezoidsReq *req;
+ int n;
+ long len;
+ unsigned long max_req = dpy->bigreq_size ? dpy->bigreq_size : dpy->max_request_size;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ while (ntrap)
+ {
+ GetReq(RenderTrapezoids, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderTrapezoids;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : 0;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+ n = ntrap;
+ len = ((long) n) * (SIZEOF (xTrapezoid) >> 2);
+ if (len > (max_req - req->length)) {
+ n = (max_req - req->length) / (SIZEOF (xTrapezoid) >> 2);
+ len = ((long)n) * (SIZEOF (xTrapezoid) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) traps, len);
+ ntrap -= n;
+ traps += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+