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On DOOM 3 Settings

Robert Duffy, id Software programmer, updated his .plan about DOOM 3 settings and how they will work, discussing specifics about the "ultra" quality setting as well as differences in how certain data are handled differently by ATI and NVIDIA hardware. He also mentions that the game is capped at 60 FPS (except when running demos as a benchmark), discusses the software used during development, as well as a bit on a hard drive nightmare encountered along the way. Here's a bit:

Image fidelity is dependent on what quality level we load the textures at.

In Ultra quality, we load each texture; diffuse, specular, normal map at full resolution with no compression. In a typical DOOM 3 level, this can hover around a whopping 500MB of texture data. This will run on current hardware but obviously we cannot fit 500MB of texture data onto a 256MB card and the amount of texture data referenced in a give scene per frame ( 60 times a second ) can easily be 50MB+. This can cause some choppiness as a lot of memory bandwidth is being consumed. It does however look fantastic :-) and it is certainly playable on high end systems but due to the hitching that can occur we chose to require a 512MB Video card before setting this automatically.

High quality uses compression ( DXT1,3,5 ) for specular and diffuse and no compression for normal maps. This looks very very close to Ultra quality but the compression does cause some loss. This is the quality that for instance the PC Gamer review was played in.

Medium quality uses compression for specular, diffuse, and normal maps. This still looks really really good but compressing the normal maps can produce a few artifacts especially on hard angled or round edges. This level gets us comfortably onto 128MB video cards.

Low quality does everything medium quality does but it also downsizes textures over 512x512 and we downsize specular maps to 64x64 in this mode as well. This fits us onto a 64MB video card.

View
121. Re: On personal finances Jul 27, 2004, 09:23 Sugarman
 
That really puts it in perspective WaltC, a very good example and a good job of explaining it. A damn fine read if I may say so.

 
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  1. Jul 26, 16:10 No subject Dalumberjack
  3. Jul 26, 16:12  Re: No subject JoeCool
  8. Jul 26, 16:23  512mb cards.. Yakumo
  11. Jul 26, 16:27   Re: 512mb cards.. Gandhi
  22. Jul 26, 16:47    Re: 512mb cards.. Bronco
  25. Jul 26, 16:56     Re: 512mb cards.. Gandhi
  2. Jul 26, 16:11 dewm 3 zuul
  4. Jul 26, 16:13  Re: dewm 3 SmyTTor
  5. Jul 26, 16:17   Re: dewm 3 kanniballl
  17. Jul 26, 16:33    Re: dewm 3 Ray Marden
  18. Jul 26, 16:34    Re: dewm 3 MindStalkerReturned
  6. Jul 26, 16:17   Re: dewm 3 LoonBB
  7. Jul 26, 16:22    . . . . joeslim
  9. Jul 26, 16:25 No subject Dalumberjack
  13. Jul 26, 16:29  Re: No subject Gandhi
  15. Jul 26, 16:32   Re: No subject Dalumberjack
  14. Jul 26, 16:30  Re: No subject Tango
  28. Jul 26, 17:10  Re: No subject Redwood
  41. Jul 26, 18:04  Re: No subject Scottish Martial Arts
  10. Jul 26, 16:26 video memory wiltshire
  105. Jul 27, 01:31  Re: video memory Rockn-Roll
  12. Jul 26, 16:29 First OGG MindStalkerReturned
  30. Jul 26, 17:17  Re: First OGG DrEvil
  42. Jul 26, 18:08  Re: First OGG Protoz
  43. Jul 26, 18:09   Re: First OGG JoeCool
  48. Jul 26, 18:23    Re: First OGG JoeCool
  45. Jul 26, 18:16   Re: First OGG Tango
  49. Jul 26, 18:23    Re: First OGG Propagandhi
  16. Jul 26, 16:32 levels? Jim
  21. Jul 26, 16:39  Re: levels? MindStalkerReturned
  53. Jul 26, 18:51   Re: levels? ildon
  19. Jul 26, 16:34 No subject D4rkKnight
  20. Jul 26, 16:37 curious Fillem
  23. Jul 26, 16:51 No subject Pr()ZaC
  38. Jul 26, 17:52  Re: No subject ProdigyXL
  40. Jul 26, 17:58   Re: No subject DedEye
  24. Jul 26, 16:52 Here's an idea. thwart
  26. Jul 26, 16:58  Re: Here's an idea. Gandhi
  27. Jul 26, 17:07  Re: Here's an idea. MindStalkerReturned
  29. Jul 26, 17:13  Re: Here's an idea. CountLovE
  32. Jul 26, 17:38   Re: Here's an idea. JoeCool
  34. Jul 26, 17:41    Re: Here's an idea. CountLovE
  36. Jul 26, 17:43     Re: Here's an idea. JoeCool
  35. Jul 26, 17:41    Re: Here's an idea. Cutedge
  62. Jul 26, 19:38   Re: Here's an idea. WaltC
  64. Jul 26, 19:46    Re: Here's an idea. Dalumberjack
  67. Jul 26, 19:51     Re: Here's an idea. Ray Marden
  68. Jul 26, 20:02     Re: Here's an idea. quazz
  75. Jul 26, 20:23     Re: Here's an idea. WaltC
  111. Jul 27, 02:35     Re: Here's an idea. Krovven
  112. Jul 27, 03:11      On anticipation gerauchertes
  115. Jul 27, 07:07       Re: On anticipation Yakumo
  66. Jul 26, 19:49    Re: Here's an idea. pob
  39. Jul 26, 17:58  Re: Here's an idea. Dante_uk
  63. Jul 26, 19:44  Re: Here's an idea. sadef
  31. Jul 26, 17:22 No subject space captain
  33. Jul 26, 17:40  Re: No subject Muscular Beaver
  60. Jul 26, 19:28  Re: No subject Jim
  37. Jul 26, 17:49 No subject Chris Robbers
  44. Jul 26, 18:12 I wonder if dual PCI-Express 256mb cards Hunterzyph
  50. Jul 26, 18:26  Re: I wonder if dual PCI-Express 256mb cards Ray Marden
  46. Jul 26, 18:17 No subject Dalumberjack
  47. Jul 26, 18:18 No subject space captain
  51. Jul 26, 18:30 So what we're overlooking is... Cpt. Piloter
  52. Jul 26, 18:37  Re: So what we're overlooking is... Ray Marden
  58. Jul 26, 19:23   Re: So what we're overlooking is... nin
  59. Jul 26, 19:25    Re: So what we're overlooking is... Ray Marden
  55. Jul 26, 19:01  Re: So what we're overlooking is... CountLovE
  65. Jul 26, 19:49   Re: So what we're overlooking is... Cpt. Piloter
  54. Jul 26, 18:57 Requirements... I know... OCed_5150
  56. Jul 26, 19:14 No subject HIGH_PING
  57. Jul 26, 19:22  Re: No subject zuul
  61. Jul 26, 19:28 Little Difference? Sixis
  83. Jul 26, 21:23  Re: Little Difference? Chris Robbers
  69. Jul 26, 20:04 No subject Pete
  70. Jul 26, 20:10  Re: No subject tunis5000
  72. Jul 26, 20:17   Re: No subject Scottish Martial Arts
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  73. Jul 26, 20:19  Re: No subject Tango
  87. Jul 26, 22:04   Re: No subject Yakumo
  88. Jul 26, 22:21    Re: You know what? I say 'Ahhh, shit!" Yakumo
  89. Jul 26, 22:36  Re: No subject dubfanatic
  74. Jul 26, 20:20 No subject Acleacius
  76. Jul 26, 20:23  Re: No subject Ray Marden
  77. Jul 26, 20:34 800xt bizarro
  81. Jul 26, 21:13  Re: 800xt Yuzzem
  82. Jul 26, 21:18   Re: 800xt gulo
  86. Jul 26, 22:04   Re: 800xt zuul
  78. Jul 26, 20:41 No subject OCed_5150
  79. Jul 26, 20:42 Re: Rseman
  80. Jul 26, 20:58 Beyond Good and Evil James Webb
  84. Jul 26, 21:30 No subject Jamil
  85. Jul 26, 22:03 You know what? I say 'Ahhh, shit!" MacD
  90. Jul 26, 22:42  Re: You know what? I say 'Ahhh, shit! MindStalkerReturned
  93. Jul 26, 23:37  Re: You know what? I say 'Ahhh, shit! Propagandhi
  91. Jul 26, 23:01 No subject Pete
  92. Jul 26, 23:13  Re: No subject Gandhi
  94. Jul 26, 23:42  Re: No subject Ray Marden
  95. Jul 26, 23:53   Re: No subject Sixis
  96. Jul 27, 00:16    Re: No subject Ray Marden
  97. Jul 27, 00:21     Re: No subject Sixis
  98. Jul 27, 00:32 new benchmarks coming gulo
  99. Jul 27, 00:35 No subject Planet X
  103. Jul 27, 01:10  On personal finances gerauchertes
  104. Jul 27, 01:22   Re: On personal finances Planet X
  117. Jul 27, 08:06   Re: On personal finances WaltC
>> 121. Jul 27, 09:23    Re: On personal finances Sugarman
  122. Jul 27, 09:28    Re: On personal finances JosephBlowski
  123. Jul 27, 09:39     Re: On personal finances MeatForce
  124. Jul 27, 09:51     On acts of god gerauchertes
  126. Jul 27, 10:45    WaltC Isus_in_Black.
  129. Jul 27, 11:14     Re: WaltC Gandhi
  130. Jul 27, 11:25      RE:Ghandi Isus_in_Black.
  149. Jul 28, 01:29      Re: WaltC anon@24.76
  132. Jul 27, 12:06     Re: Isus Gandhi
  138. Jul 27, 13:22      Re: Isus Duc
  139. Jul 27, 14:42       Re: Isus Eps
  100. Jul 27, 00:36 Re: Demo Sixis
  101. Jul 27, 00:42 No subject Dalumberjack
  102. Jul 27, 01:02  Re: No subject Sixis
  113. Jul 27, 05:19   Re: No subject LwoodPDowd
  114. Jul 27, 06:55    Best deal NHS7000
  106. Jul 27, 01:57 Regarding system memory. m00t
  107. Jul 27, 02:09 Regarding video memory. m00t
  108. Jul 27, 02:12 No subject m00t
  109. Jul 27, 02:27  . seenitall
  110. Jul 27, 02:29  Re: No subject Sepharo
  125. Jul 27, 10:30   Re: No subject Cpt. Piloter
  127. Jul 27, 11:05    Re: No subject Gandhi
  116. Jul 27, 07:28 No subject degust
  118. Jul 27, 08:11 Re: Good luck... Animals for Crackers
  119. Jul 27, 08:54 Compared to other hobbies NoGodForMe
  120. Jul 27, 09:23 On anticipation/On anticipation II gerauchertes
  128. Jul 27, 11:05 vid card progression MacD
  131. Jul 27, 11:51  Re: vid card progression Hanneth
  141. Jul 27, 15:44  Re: vid card progression Sepharo
  142. Jul 27, 16:13   Re: vid card progression Dalumberjack
  143. Jul 27, 16:43    One more week!!!!!!!!!!!!!!! Gandhi
  144. Jul 27, 16:55     Re: One more week!!!!!!!!!!!!!!! nin
  145. Jul 27, 17:34      Re: One more week!!!!!!!!!!!!!!! Gandhi
  146. Jul 27, 20:51       XP or W2K JohnnyB
  147. Jul 27, 21:15    Re: vid card progression Corn Wizard
  133. Jul 27, 12:13 Re: vid card progression Roger Mellie
  134. Jul 27, 12:46  Re: vid card progression zuul
  135. Jul 27, 12:55  Re: vid card progression Celestial Toad
  136. Jul 27, 12:55  Re: vid card progression Celestial Toad
  137. Jul 27, 12:58   Re: vid card progression Celestial Toad
  140. Jul 27, 14:53  Re: vid card progression nin
  148. Jul 28, 00:18 techie question about RAM.. Wookiestick
  151. Aug 2, 10:35  Re: techie question about RAM.. Rockn-Roll
  150. Jul 28, 09:07 /3GB Boot.ini setting MunkyBoy


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