Ansification and prototypes.
Improved rholo -o ogl interaction under Mac OS X
Added grouping parens to reduce ambiguity warnings.
Eliminated copystruct() macro, which is unnecessary in ANSI. Reduced ambiguity warnings for nested if/if/else clauses.
Fixed interaction delay timing (supposed to be 50ms -- was 5ms)
Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
created new ogl driver with direct geometry rendering
created "frame" command to focus calculation
fixed BYTE definition problem in header
finally fixed problem with grid drawing
added odev.inpready member and periodic input checking to rhdisp
added dev_auxcom() for auxiliary command handling
added multiple device view capability
added check of DISPLAY_PRIMARIES environment variable
created dev_clear() routine to clear device ray cache
delay update after ^L
increased leaf allocation by 50%
increased interactive update rate with periodic display flushing
allow (slightly wrong) grid lines to be drawn even if !VT_PER
reordered resize event and view setting
vastly improved interactive view changes
changed assumption about vertical window border size
implemented kill, clobber and restart commands
normalized commands between driver and standard input
added command for returning to previous view(s) added check to dev_view() for illegal views fixed bug in X11 driver on window resizing
fixed problem with new view angle computation
added ability to adjust window size on view change
removed unnecessary assignment of qtDepthEps
created gridlines() function to run through holodeck section grids
improved display update
added 'v' command to output views, and changed ^R and ^L commands
added server-driven redraw function to replace display quadtree
stopped pause function from resuming upon iconification and interfering with full view updates
changed definition of global leaf pile to make tone mapping work better
added redraw (^R) command
added pause function added view move function changed leaf allocation
Initial revision
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