Initial revisionXORG-RELEASE-1-BASEXEVIE-MERGEXEVIE-BASEXORG-STABLEXINERAMA_2XEVIE

1 files changed, 167 insertions, 0 deletions

diff --git a/src/Tri.c b/src/Tri.c
new file mode 100644
index 0000000..ead95a3
--- /dev/null
+++ b/src/Tri.c
@@ -0,0 +1,167 @@
+/*
+ * $XFree86: xc/lib/Xrender/Tri.c,v 1.3 2002/11/05 23:22:35 keithp Exp $
+ *
+ * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
+ *
+ * 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.
+ */
+
+#include "Xrenderint.h"
+
+void
+XRenderCompositeTriangles (Display		*dpy,
+			   int			op,
+			   Picture		src,
+			   Picture		dst,
+			    _Xconst XRenderPictFormat	*maskFormat,
+			   int			xSrc,
+			   int			ySrc,
+			   _Xconst XTriangle	*triangles,
+			   int			ntriangle)
+{
+    XExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    xRenderTrianglesReq	    *req;
+    int			    n;
+    long    		    len;
+
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    while (ntriangle)
+    {
+	GetReq(RenderTriangles, req);
+	req->reqType = info->codes->major_opcode;
+	req->renderReqType = X_RenderTriangles;
+	req->op = (CARD8) op;
+	req->src = src;
+	req->dst = dst;
+	req->maskFormat = maskFormat ? maskFormat->id : 0;
+	req->xSrc = xSrc;
+	req->ySrc = ySrc;
+	n = ntriangle;
+	len = ((long) n) * (SIZEOF (xTriangle) >> 2);
+	if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+	    n = (dpy->max_request_size - req->length) / (SIZEOF (xTriangle) >> 2);
+	    len = ((long)n) * (SIZEOF (xTriangle) >> 2);
+	}
+	SetReqLen (req, len, len);
+	len <<= 2;
+	DataInt32 (dpy, (int *) triangles, len);
+	ntriangle -= n;
+	triangles += n;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeTriStrip (Display		*dpy,
+			  int			op,
+			  Picture		src,
+			  Picture		dst,
+			  _Xconst XRenderPictFormat	*maskFormat,
+			  int			xSrc,
+			  int			ySrc,
+			  _Xconst XPointFixed	*points,
+			  int			npoint)
+{
+    XExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    xRenderTriStripReq	    *req;
+    int			    n;
+    long    		    len;
+
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    while (npoint > 2)
+    {
+	GetReq(RenderTriStrip, req);
+	req->reqType = info->codes->major_opcode;
+	req->renderReqType = X_RenderTriStrip;
+	req->op = (CARD8) op;
+	req->src = src;
+	req->dst = dst;
+	req->maskFormat = maskFormat ? maskFormat->id : 0;
+	req->xSrc = xSrc;
+	req->ySrc = ySrc;
+	n = npoint;
+	len = ((long) n) * (SIZEOF (xPointFixed) >> 2);
+	if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+	    n = (dpy->max_request_size - req->length) / (SIZEOF (xPointFixed) >> 2);
+	    len = ((long)n) * (SIZEOF (xPointFixed) >> 2);
+	}
+	SetReqLen (req, len, len);
+	len <<= 2;
+	DataInt32 (dpy, (int *) points, len);
+	npoint -= (n - 2);
+	points += (n - 2);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void
+XRenderCompositeTriFan (Display			*dpy,
+			int			op,
+			Picture			src,
+			Picture			dst,
+			_Xconst XRenderPictFormat	*maskFormat,
+			int			xSrc,
+			int			ySrc,
+			_Xconst XPointFixed	*points,
+			int			npoint)
+{
+    XExtDisplayInfo         *info = XRenderFindDisplay (dpy);
+    _Xconst XPointFixed	    *first = points;
+    xPointFixed		    *p;
+    xRenderTriFanReq	    *req;
+    int			    n;
+    long    		    len;
+
+    RenderSimpleCheckExtension (dpy, info);
+    LockDisplay(dpy);
+    points++;
+    npoint--;
+    while (npoint > 1)
+    {
+	GetReqExtra(RenderTriFan, SIZEOF (xPointFixed), req);
+	req->reqType = info->codes->major_opcode;
+	req->renderReqType = X_RenderTriFan;
+	req->op = (CARD8) op;
+	req->src = src;
+	req->dst = dst;
+	req->maskFormat = maskFormat ? maskFormat->id : 0;
+	req->xSrc = xSrc;
+	req->ySrc = ySrc;
+	p = (xPointFixed *) (req + 1);
+	p->x = first->x;
+	p->y = first->y;
+	n = npoint;
+	len = ((long) n) * (SIZEOF (xPointFixed) >> 2);
+	if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+	    n = (dpy->max_request_size - req->length) / (SIZEOF (xPointFixed) >> 2);
+	    len = ((long)n) * (SIZEOF (xPointFixed) >> 2);
+	}
+	SetReqLen (req, len, len);
+	len <<= 2;
+	DataInt32 (dpy, (int *) points, len);
+	npoint -= (n - 1);
+	points += (n - 1);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+}