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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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VIEW v; /* base view parameters */ |
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int hres, vres; /* base view resolution */ |
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int ifd; /* input file descriptor (for select) */ |
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int inpready; /* number of unprocessed input events */ |
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} odev; /* our open device */ |
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extern int imm_mode; /* bundles are being delivered immediately */ |
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extern double eyesepdist; /* world eye separation distance */ |
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/* user commands */ |
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#define DC_SETVIEW 0 /* set the base view */ |
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#define DC_GETVIEW 1 /* print the current base view */ |
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void |
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dev_value(c, p, v) : register new point of light |
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dev_value(c, d, p) : register new point of light |
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COLR c; : pixel color (RGBE) |
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FVECT d; : ray direction vector |
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FVECT p; : world intersection point |
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FVECT v; : ray direction vector |
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Add the given color point to the display output queue. If imm_mode is |
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non-zero, then values are being sent in rapid succession. |
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non-zero, then values are being sent in rapid succession. If p is NULL, |
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then the point is at infinity. |
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int |
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dev_flush() : flush the output and prepare for select call |
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Updates display, taking any pending action required before select(2) call. |
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Returns non-zero if there is device input available. |
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Returns non-zero if there is device input available, setting odev.inpready. |
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int |
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Called when odev struct file descriptor shows input is ready. |
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Returns flags indicating actions to take in the control process. |
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If the DC_VIEW or DC_RESIZE flag is returned, the odev |
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structure must be updated beforehand. |
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structure must be updated beforehand. No events will be |
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ready when this function returns, and odev.inpready will be 0. |
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void |
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dev_auxcom(cmd, args) : process auxiliary command |
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char *cmd, *args; : command name and argument string |
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Execute an auxiliary command (not one of those listed at the head of |
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this file). The cmd argument points to the command name itself, and |
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the args argument points to a string with the rest of the input line. |
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If the command isn't known or there ARE no auxiliary commands, print |
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an appropriate COMMAND error message and return. |
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VIEW * |
