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2D All the way! / Texture Format

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Jna99
19
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Joined: 3rd Nov 2005
Location: Portugal
Posted: 7th Jul 2007 23:21
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Hi I've always used JPEG, PNG or BMP file formats for my texture/screens, so I've like to know what is the big advantage of using DDS files!

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Jna99
19
Years of Service
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Joined: 3rd Nov 2005
Location: Portugal
Posted: 8th Jul 2007 23:54
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anyone?

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Crit
18
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Joined: 24th May 2006
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Posted: 10th Jul 2007 03:15
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DDS files have built in mipmapping. They can have a slight speed boost for loading because darkbasic doesn't have to create the mipmaps on the fly. I tried them out, but they weren't worth the extra effort for me.
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indi
22
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Joined: 26th Aug 2002
Location: Earth, Brisbane, Australia
Posted: 10th Jul 2007 04:37 Edited at: 10th Jul 2007 04:38
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create a 128 x 128 texture for each file format.
compare the filesizes prior to loading them.

create a snippet that loads this onto a 3d "plain" with a timer of how long it takes to load the texture.

repeat this process with 256 512 768 size textures.

save this in your WIP folder or Research folder for reference with usage on any existing or new video card you come across.

write a text file on your findings and store it in the same folder for each different machine you test it on.

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Jna99
19
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Joined: 3rd Nov 2005
Location: Portugal
Posted: 10th Jul 2007 14:56
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thks

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