Importing from X.Org indiviual releases

1 files changed, 275 insertions, 0 deletions

diff --git a/app/xf86dga/dga.c b/app/xf86dga/dga.c
new file mode 100644
index 000000000..7305ecd29
--- /dev/null
+++ b/app/xf86dga/dga.c
@@ -0,0 +1,275 @@
+/* $XFree86: xc/programs/xf86dga/dga.c,v 3.19 2001/10/28 03:34:32 tsi Exp $ */
+
+#include <X11/Xos.h>
+#include <X11/Intrinsic.h>
+#include <X11/Shell.h>
+#include <X11/StringDefs.h>
+#include <X11/Xatom.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/Scrollbar.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/Command.h>
+#include <X11/Xaw/AsciiText.h>
+#include <X11/Xaw/Box.h>
+#include <X11/Xaw/Toggle.h>
+#include <X11/Xmu/StdSel.h>
+#include <X11/Xmd.h>
+#include <X11/extensions/xf86dga.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+
+
+#define MINMAJOR 0
+#define MINMINOR 0
+
+/* copied from xf86Io.c */
+static int
+GetTimeInMillis(void)
+{
+    struct timeval  tp;
+
+    gettimeofday(&tp, 0);
+    return(tp.tv_sec * 1000) + (tp.tv_usec / 1000);
+}
+
+int
+main(int argc, char *argv[])
+{
+    int MajorVersion, MinorVersion;
+    int EventBase, ErrorBase;
+    Display *dis;
+    int i, bpp;
+    char *addr;
+    int width, bank, banks, ram;
+    XEvent event;
+    Colormap cmap = 0;
+    Visual *vis;
+    int flags;
+
+    if (geteuid()) {
+	fprintf(stderr, "Must be suid root\n");
+	exit(1);
+    }
+
+    if ( (dis = XOpenDisplay(NULL)) == NULL )
+    {
+        (void) fprintf( stderr, " cannot connect to X server %s\n",
+                       XDisplayName(NULL));
+        exit( -1 );
+    }
+
+
+    if (!XF86DGAQueryVersion(dis, &MajorVersion, &MinorVersion))
+    { 
+        fprintf(stderr, "Unable to query video extension version\n");
+        exit(2);
+    }
+
+    if (!XF86DGAQueryExtension(dis, &EventBase, &ErrorBase)) {
+        fprintf(stderr, "Unable to query video extension information\n");
+        exit(2);
+    }
+
+    /* Fail if the extension version in the server is too old */
+    if (MajorVersion < MINMAJOR ||
+        (MajorVersion == MINMAJOR && MinorVersion < MINMINOR)) {
+        fprintf(stderr,
+                "Xserver is running an old XFree86-DGA version"
+                " (%d.%d)\n", MajorVersion, MinorVersion);
+        fprintf(stderr, "Minimum required version is %d.%d\n",
+                MINMAJOR, MINMINOR);
+        exit(2);
+    }
+
+    XF86DGAQueryDirectVideo(dis, DefaultScreen(dis), &flags);
+    if (!(flags & XF86DGADirectPresent)) {
+      fprintf(stderr, "Xserver driver doesn't support DirectVideo on screen %d\n", DefaultScreen(dis) );
+      exit(2);
+    }
+	
+   XGrabKeyboard(dis, DefaultRootWindow(dis), True, GrabModeAsync,
+		 GrabModeAsync,  CurrentTime);
+
+   /* and all the mouse moves */
+   XGrabPointer(dis, DefaultRootWindow(dis), True,
+		PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
+		GrabModeAsync, GrabModeAsync, None,  None, CurrentTime);
+   /* we want _our_ cmap */
+   vis = DefaultVisual(dis, DefaultScreen(dis));
+   
+   bpp = DisplayPlanes (dis, DefaultScreen(dis));
+   
+
+   if (bpp <= 8)
+   {
+   cmap = XCreateColormap(dis, DefaultRootWindow(dis), vis, AllocAll);
+
+   for (i = 0; i < 256; i++) {
+       XColor xcol;
+
+       xcol.pixel = i;
+       xcol.red = (256 - i) * 255;
+       xcol.green = i * 255;
+       xcol.blue = ((128 - i)%256) * 255;
+       xcol.flags = DoBlue | DoGreen | DoRed;
+       XStoreColor(dis, cmap, &xcol);
+   }
+   }
+
+   /*
+    * Lets go live
+    */
+
+   XF86DGAGetVideo(dis, DefaultScreen(dis), &addr, &width, &bank, &ram);
+   fprintf(stderr, "%x addr:%p, width %d, bank size %d, depth %d planes\n", True,
+	   addr, width, bank, bpp);
+
+   XF86DGADirectVideo(dis, DefaultScreen(dis),
+			   XF86DGADirectGraphics|
+			   XF86DGADirectMouse|
+			   XF86DGADirectKeyb);
+
+   if (bpp <= 8)
+   {
+   /* must be called _after_ entering DGA DirectGraphics mode */
+   XF86DGAInstallColormap(dis, DefaultScreen(dis), cmap);
+   }
+
+
+#ifndef __UNIXOS2__
+   /* Give up root privs */
+   if (setuid(getuid()) == -1) {
+      fprintf(stderr, "Unable to change uid: %s\n", strerror(errno));
+      exit(2);
+   }
+#endif
+
+   XF86DGASetViewPort(dis, DefaultScreen(dis), 0, 0);
+
+   banks = (ram * 1024)/bank;
+#ifdef DEBUG
+   fprintf(stderr, "%x ram:%x, addr %x, banks %d\n", True,
+	   ram, addr, banks);
+#endif
+   while (1) {
+      XMotionEvent *mevent = (XMotionEvent *) &event;
+      XButtonEvent *bevent = (XButtonEvent *) &event;
+      int n_chars = 0;
+      char buf[21];
+      KeySym ks = 0;
+      
+      i = 0;
+      XNextEvent(dis, &event);
+      switch (event.type) {
+       case KeyPress:
+	 n_chars = XLookupString(&event.xkey, buf, 20, &ks, NULL);
+         buf[n_chars] = '\0';
+	 fprintf(stderr,"KeyPress [%d]: %s\n", event.xkey.keycode, buf);
+
+	 if (buf[0] == 'b') {
+	   /*
+	    * Benchmark mode: run write/read speed test for 1 second each
+	    */
+	    int start_clock,finish_clock,diff_clock;
+	    int cycles;
+	    int size = 64;
+	    void *membuf;
+
+	    if (bank < 65536)
+		size = bank / 1024;
+
+	    /* get write timings */
+	    XF86DGASetVidPage(dis, DefaultScreen(dis), i);
+
+	    start_clock = GetTimeInMillis(); finish_clock = start_clock;
+
+	    cycles=0;
+	    while ((finish_clock - start_clock) < 1000)
+	    {
+	      cycles++;
+	      memset(addr, (char) (cycles % 255), size * 1024);
+	      finish_clock = GetTimeInMillis();
+	    }
+
+	    diff_clock = finish_clock - start_clock;
+
+	    fprintf(stderr, "Framebuffer write speed: %6dK/s\n",
+		    (size * 1000 * cycles) / diff_clock);
+
+	    /* get read timings */
+	    if ((membuf=malloc(size*1024)))
+	    {
+		XF86DGASetVidPage(dis, DefaultScreen(dis), i);
+
+		start_clock = GetTimeInMillis(); finish_clock = start_clock; 
+
+	        cycles=0;
+	        while ((finish_clock - start_clock) < 1000)
+	        {
+	            cycles++;
+		    memcpy(membuf, addr, size * 1024);
+	            finish_clock = GetTimeInMillis();
+	        }
+
+		diff_clock = finish_clock - start_clock;
+
+		fprintf(stderr, "Framebuffer read speed: %6dK/s\n",
+		    (size * 1000 * cycles) / diff_clock);
+	    }
+	    else
+	      fprintf(stderr, "could not allocate scratch buffer -- read timing measurement skipped\n");
+	 }
+
+         for (i = 0; i < banks; i++) {
+		XF86DGASetVidPage(dis, DefaultScreen(dis), i);
+		memset(addr, buf[0], bank);
+#ifdef DEBUG
+   fprintf(stderr, "XF86DGASetVidPage(dis, DefaultScreen(dis), %d);\n",i);
+   fprintf(stderr, "memset(addr:%x, buf[0]:%d, bank:%d);\n",addr,buf[0],bank);
+#endif
+	 }
+	 break;
+       case KeyRelease:
+	 n_chars = XLookupString(&event.xkey, buf, 20, &ks, NULL);
+         buf[n_chars] = '\0';
+	 fprintf(stderr,"KeyRelease[%d]: %s\n", event.xkey.keycode, buf);
+	 break;
+       case MotionNotify:
+ 	 fprintf(stderr,"Relative Motion: %d %d\n", mevent->x_root, mevent->y_root);
+         break;
+       case ButtonPress:
+	 fprintf(stderr,"Button %d pressed\n", bevent->button);
+	 break;
+       case ButtonRelease:
+	 fprintf(stderr,"Button %d released\n", bevent->button);
+	 break;
+       case Expose:
+	 /* maybe we should RaiseWindow? */
+	 break;
+       default:
+	 fprintf(stderr,"%X\n", event.type);
+	 break;
+      }
+      if (n_chars && (buf[0] == 'q' || buf[0] == 'Q')) {
+	 fprintf(stderr,"EXITTING\n");
+         break;
+      }
+   }
+   /*
+    * back to the X server
+    */
+   XF86DGADirectVideo(dis, DefaultScreen(dis), 0);
+   fprintf(stderr, "back now in X\n");
+
+   /* and give back control */
+   XUngrabPointer(dis, CurrentTime);
+   XUngrabKeyboard(dis, CurrentTime);
+   fprintf(stderr, "Thats all folks\n");
+   exit(0);
+}
+
+