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/*
* Copyright © 2004 David Reveman
*
* 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
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN 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.
*
* Author: David Reveman <davidr@novell.com>
*/
#include "xgl.h"
char *
xglParseFindNext (char *cur,
char *delim,
char *save,
char *last)
{
while (*cur && !strchr (delim, *cur))
*save++ = *cur++;
*save = 0;
*last = *cur;
if (*cur)
cur++;
return cur;
}
void
xglParseScreen (char *arg)
{
char delim;
char save[1024];
int i, pixels, mm;
xglScreenInfo.width = 0;
xglScreenInfo.height = 0;
xglScreenInfo.widthMm = 0;
xglScreenInfo.heightMm = 0;
if (!arg)
return;
if (strlen (arg) >= sizeof (save))
return;
for (i = 0; i < 2; i++)
{
arg = xglParseFindNext (arg, "x/", save, &delim);
if (!save[0])
return;
pixels = atoi (save);
mm = 0;
if (delim == '/')
{
arg = xglParseFindNext (arg, "x", save, &delim);
if (!save[0])
return;
mm = atoi (save);
}
if (i == 0)
{
xglScreenInfo.width = pixels;
xglScreenInfo.widthMm = mm;
}
else
{
xglScreenInfo.height = pixels;
xglScreenInfo.heightMm = mm;
}
if (delim != 'x')
return;
}
}
static void
xglParseAccel (char *arg)
{
xglAccelInfoPtr pAccel;
char delim;
char save[1024];
if (!arg)
return;
if (strlen (arg) >= sizeof (save))
return;
arg = xglParseFindNext (arg, "@:", save, &delim);
if (!save[0])
return;
if (strcasecmp (save, "pixmap") == 0)
pAccel = &xglScreenInfo.accel.pixmap;
else if (strcasecmp (save, "window") == 0)
pAccel = &xglScreenInfo.accel.window;
else if (strcasecmp (save, "glx") == 0)
pAccel = &xglScreenInfo.accel.glx;
else if (strcasecmp (save, "xv") == 0)
pAccel = &xglScreenInfo.accel.xv;
else
return;
if (delim == '@')
{
arg = xglParseFindNext (arg, "/x:", save, &delim);
if (!save[0])
return;
pAccel->size.aboveWidth = pAccel->size.minWidth = atoi (save);
if (delim == '/')
{
arg = xglParseFindNext (arg, "x:", save, &delim);
if (!save[0])
return;
pAccel->size.aboveWidth = atoi (save);
}
if (delim == 'x')
{
arg = xglParseFindNext (arg, "/:", save, &delim);
if (!save[0])
return;
pAccel->size.aboveHeight = pAccel->size.minHeight = atoi (save);
if (delim == '/')
{
arg = xglParseFindNext (arg, ":", save, &delim);
if (!save[0])
return;
pAccel->size.aboveHeight = atoi (save);
}
}
}
pAccel->enabled = TRUE;
pAccel->pbuffer = FALSE;
if (delim == ':')
{
if (strcasecmp (arg, "fbo") == 0)
;
else if (strcasecmp (arg, "off") == 0 ||
strncasecmp (arg, "0", 1) == 0 ||
strncasecmp (arg, "f", 1) == 0 ||
strncasecmp (arg, "n", 1) == 0)
{
pAccel->enabled = FALSE;
pAccel->pbuffer = FALSE;
}
else if (strcasecmp (arg, "pbuffer") == 0)
{
pAccel->pbuffer = TRUE;
}
}
}
void
xglUseMsg (void)
{
ErrorF ("-vertextype [short|float] set vertex data type\n");
ErrorF ("-yinverted Y is upside-down\n");
ErrorF ("-lines "
"accelerate lines that are not vertical or horizontal\n");
ErrorF ("-vbo "
"use vertex buffer objects for streaming of vertex data\n");
ErrorF ("-pbomask [1|4|8|16|32] "
"set bpp's to use with pixel buffer objects\n");
ErrorF ("-accel TYPE[@WIDTH[/MIN]xHEIGHT[/MIN]][:METHOD] "
"offscreen acceleration\n");
}
int
xglProcessArgument (int argc,
char **argv,
int i)
{
if (!strcmp (argv[i], "-vertextype"))
{
if ((i + 1) < argc)
{
if (!strcasecmp (argv[i + 1], "short"))
xglScreenInfo.geometryDataType = GEOMETRY_DATA_TYPE_SHORT;
else if (!strcasecmp (argv[i + 1], "float"))
xglScreenInfo.geometryDataType = GEOMETRY_DATA_TYPE_FLOAT;
}
else
return 1;
return 2;
}
else if (!strcmp (argv[i], "-yinverted"))
{
xglScreenInfo.yInverted = TRUE;
return 1;
}
else if (!strcmp (argv[i], "-lines"))
{
xglScreenInfo.lines = TRUE;
return 1;
}
else if (!strcmp (argv[i], "-vbo"))
{
xglScreenInfo.geometryUsage = GEOMETRY_USAGE_STREAM;
return 1;
}
else if (!strcmp (argv[i], "-pbomask"))
{
if ((i + 1) < argc)
{
xglScreenInfo.pboMask = atoi (argv[i + 1]);
}
else
return 1;
return 2;
}
else if (!strcmp (argv[i], "-accel"))
{
if ((i + 1) < argc)
{
xglParseAccel (argv[i + 1]);
}
else
return 1;
return 2;
}
return 0;
}
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