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r3.showdspf_opengl_mods.html

r3.showdspf_opengl_mods.html 2.2 KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
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  2. <html>
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  3. <head>
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  4.  <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
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  5.  <title>modifications made to <em>r3.showdspf</em></title>
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  6.  <link rel="stylesheet" href="grassdocs.css" type="text/css">
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  7. </head>
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  9. <body bgcolor="#ffffff">
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  10. 

  11. <p><font size="4"><b>Description of modifications made to r3.showdspf directory during conversion of code from
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  12. IrisGL (running only on SGI workstations) to OpenGL (running on any OpenGL-capable UNIX workstation)</b>
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  13. 

  14. <p>The following files were changed (and perhaps renamed during conversion)<br>
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  15. </font><tt>do_color.c -&gt; do_color_ogl.c<br>
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  16. draw_cap.c -&gt; draw_cap_ogl.c<br>
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  17. draw_polys.c -&gt; draw_polys_ogl.c<br>
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  18. draw_cappolys.c -&gt; draw_cappolys_ogl.c<br>
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  19. main.c -&gt; main_ogl.c<br>
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  20. init_caps.c -&gt; init_caps.c<br>
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  21. vizual.h -&gt; vizual.h<br>
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  22. Gmakefile -&gt; Gmakefile<br>
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  23. </tt><br>
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  24. <font size="4">The following files are new files<br>
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  25. </font><tt>new_init_graphics.c<br>
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  26. kns_defines.h<br>
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  27. kns_globals.h<br>
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  28. togif.c<br>
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  29. togif.h<br>
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  30. </tt><br>
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  31. <font size="4">The following files are unchanged:<br>
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  32. </font><tt>cap_data.c<br>
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  33. init_caps.c<br>
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  34. debugf.c<br>
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  35. thresh_array.c<br>
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  36. make_header.c<br>
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  37. r3_data.c<br>
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  38. r3_find.c<br>
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  39. </tt><br>
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  40. <font size="4">The following files removed since they were made unnecessary<br>
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  41. </font><tt>init_graphics.c<br>
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  42. dump_rect.c -&gt; functions moved to new_init_graphics.c<br>
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  43. </tt>axes2.c<br>
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  44. <br>
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  45. <font size="4" color="#ff0000"><b>*** Disclaimer ***</b></font><font size="4"><br>
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  46. </font>The porting effort from IrisGL to OpenGL was performed with the goal of just getting things to run with
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  47. OpenGL with some user-interface improvements. Only a small attempt was made to correct for sloppy/dangerous coding
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  48. practices found in the <b>original</b> code. Sloppy/dangerous coding practices were modified only when they resulted
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  49. in serious code errors (causing core dumps). Certain files, such as new_init_graphics.c, which were totally new
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  50. files, were coded to higher standards. In general, this effort was only a porting effort, <b>not</b> a re-architecting
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  51. effort.<br>
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  52. <br>
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  53. <font size="4">Above modifications made by:<br>
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  54. </font>Ken Sakai<br>
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  55. Lockheed Martin Space Systems<br>
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  56. Sunnyale, California<br>
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  57. Modification date: March 2000
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  59. </body>
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  61. </html>
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