Attachment 30003 Details for Bug 24274 – Exercise fbBresSolid()

Exercise fbBresSolid()

large-poly-lines.c (text/plain), 1.96 KB, created by Chris Wilson on 2009-10-02 15:42:28 UTC

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Creator: Chris Wilson

Created: 2009-10-02 15:42:28 UTC

Size: 1.96 KB

patch

obsolete

>#include <X11/Xlib.h>
>#include <X11/Xproto.h>
>#include <stdio.h>
>#include <stdarg.h>
>#include <stdlib.h>
>
>#define ARRAY_SIZE(A) (sizeof (A) / sizeof (A[0]))
>
>static void
>die (const char *fmt, ...)
>{
>    va_list ap;
>
>    va_start (ap, fmt);
>    vfprintf (stderr, fmt, ap);
>    va_end (ap);
>
>    exit (1);
>}
>
>int
>main (int argc, char **argv)
>{
>    Display *dpy;
>    Pixmap pixmap;
>    XPoint *points;
>    XRectangle clip[2];
>    unsigned int n, max;
>    GC gc;
>    XGCValues values;
>    unsigned int flags = 0;
>
>    dpy = XOpenDisplay (NULL);
>    if (dpy == NULL)
>	die ("unable to open display");
>
>    pixmap = XCreatePixmap (dpy,
>			    RootWindow (dpy, DefaultScreen (dpy)),
>			    128, 128,
>			    DefaultDepth (dpy, DefaultScreen (dpy)));
>
>    values.function = GXand; flags |= GCFunction;
>    values.foreground = 0xdeadbeef; flags |= GCForeground;
>    values.line_width = 0; flags |= GCLineWidth;
>    values.line_style = LineSolid; flags |= GCLineStyle;
>    values.fill_style = FillSolid; flags |= GCFillStyle;
>    gc = XCreateGC (dpy, pixmap, flags, &values);
>    clip[0].x = 0;
>    clip[0].y = 0;
>    clip[0].width = 128;
>    clip[0].height = 64;
>    clip[1].x = 0;
>    clip[1].y = 64;
>    clip[1].width = 128;
>    clip[1].height = 64;
>    XSetClipRectangles (dpy, gc, 0, 0, clip, ARRAY_SIZE (clip), YXBanded);
>    XSync (dpy, True);
>
>    max = (XMaxRequestSize (dpy) * 4 - sz_xPolyLineReq) / sizeof (XPoint);
>    points = malloc (sizeof (XPoint) * max);
>    if (points == NULL)
>	die ("unable to allocate points\n");
>
>    for (n = 0; n < max; n ++) {
>	points[n].x = rand() & 127;
>	points[n].y = rand() & 127;
>    }
>
>    for (n = 1024; n < max; n *= 2) {
>	printf ("testing nPoints=%d\n", n); fflush (stdout);
>	XDrawLines (dpy, pixmap, gc, points, n, CoordModeOrigin);
>	XSync (dpy, True);
>    }
>
>    printf ("testing nPoints=%d\n", max); fflush (stdout);
>    XDrawLines (dpy, pixmap, gc, points, max, CoordModeOrigin);
>    XSync (dpy, True);
>
>    free (points);
>    XCloseDisplay (dpy);
>
>    return 0;
>}

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Attachments on bug 24274: 29995 | 30003 | 30004 | 56113 | 57155 | 59095

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