This directory contain a Makefile and source code for sample programs using OpenGL extensions shipped in Irix5.3 and patch154 for RealityEngine. Most of the programs require a RealityEngine running Irix5.3 with patch154. You can either compile all programs using just "make" or compile the individual programs by "make program_name". The programs are (the source is.c): Program Extensions used =============== =============== ConvSharpenBlur convolution, histogram and minmax lens subtexture and texture_color_table - Note: can be used with the image file pictures.rgb described below. mkCurRd make_current_read surfgrid polygon_offset videobub video_source (requires Sirius Video) vidtogfx video_source (requires Sirius Video) viedeowarp video_source (requires Sirius Video) volspin texture3D Each program accepts the -h(elp) option and the algorithm used is documents in the source. In addition to the source files for the individual programs, this directory contains the following: Makefile util.c - various utility procedures shared by the example programs xwindow.c - share X interface procedures. util.h, xwindow.h - include file for the procedures and constants defined in the corresponding .c files. pictures.rgb - an sgi rgb format image that can be use as the source image for the lens sample program. If you have questions regarding these programs, please send mail to ziv@sgi.com Ziv Gigus
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