| Off Topic > Games |
| Grand Theft Auto Megathread - OP 3.0 |
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| McJob:
From what I've read, the megatextures contained mipmaps (aka they had every texture in multiple sizes, since the game doesn't need to spend processing time to work out scaling, it can just load the correct size version of the texture from the file). Very weird system. |
| Blockzillahead:
--- Quote from: Rally on January 14, 2015, 05:51:04 PM ---There's like 7 textures for the entire game or something. They're massive sheets with legitimately like every texture in the game in 7 files. --- End quote --- that does sound pretty dumb. im not sure what they were trying to get at exactly. that it'd be more efficient to load 1 big texture instead of a lot of small textures? --- Quote from: McJob on January 14, 2015, 05:55:58 PM ---From what I've read, the megatextures contained mipmaps (aka they had every texture in multiple sizes, since the game doesn't need to spend processing time to work out scaling, it can just load the correct size version of the texture from the file). --- End quote --- well that's not worth it at all |
| McJob:
--- Quote from: Blockzillahead on January 14, 2015, 05:57:39 PM ---that does sound pretty dumb. im not sure what they were trying to get at exactly. that it'd be more efficient to load 1 big texture instead of a lot of small textures? --- End quote --- You have to remember, any time the computer needs to make an operation on a file, it first has to load it into RAM to allow for quick-access. You've probably felt this any time you go to run an installer, and the installer itself contains all the files so it's 2GBs, and it takes forever for the program to load. Smaller textures generally are better as they can be swapped in and out of RAM (and the GPU) quicker, and the game can load only the ones it needs at any given time, as opposed to a big file containing all the textures. What iD did is very confused. I can't figure out the logic behind it, but apparently John Carmack did an awesome speech about why, so I might check that out soon and come back with an answer. |
| Rainzx¹:
--- Quote from: Rally on January 14, 2015, 05:51:04 PM ---RAGE's textures are loving dumb. There's like 7 textures for the entire game or something. They're massive sheets with legitimately like every texture in the game in 7 files. Yet in-game they still render like 10 minutes late lmao I tried to port some RAGE models to GMod (hue huehue loosum hagar) but couldn't figure out the handicapped texture system. --- End quote --- Its good practice for game development to pack models and textures into big files to reduce the amount of times the CPU needs to the the GPU what to render. Its not about the load times its only for optimization. |
| Maxxi:
PS4 vs PC screenshot graphics comparison http://www.gamepur.com/news/17634-gta-v-pc-vs-ps4-comparison-screenshots-out-pc-version-Annoying Oranges-ps4-version.html |
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