diff options
Diffstat (limited to 'xorg-server/hw/xgl/xglparse.c')
| -rw-r--r-- | xorg-server/hw/xgl/xglparse.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/xorg-server/hw/xgl/xglparse.c b/xorg-server/hw/xgl/xglparse.c new file mode 100644 index 000000000..5292692a4 --- /dev/null +++ b/xorg-server/hw/xgl/xglparse.c @@ -0,0 +1,257 @@ +/* + * 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; +} |