Difference between revisions of "Texture formats overview"
From FSDeveloper Wiki
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− | | style="background:#F8EABA;" | | + | | style="background:#F8EABA;" | DXTBmp |
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| style="background:#F8EABA;" | '''* * * * *''' | | style="background:#F8EABA;" | '''* * * * *''' | ||
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− | | style="background:#F8EABA;" | [http://www. | + | | style="background:#F8EABA;" | [http://www.mnwright.btinternet.co.uk/ Click button at foot of page (SizeMb)] |
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Revision as of 04:54, 16 February 2008
This page is a work-in-progress. Generic message - Please note some detail may possibly be missing or incorrect. |
Placeholder text for a Texture Types overview doc.
Edit for FS applicability.
S3TC Format Comparison
DXT4/5 use an interpolated alpha scheme, they generally produce superior results for alpha (transparency) gradients than DXT2/3.
Some consider DXT5 to be the most flexible general purpose compression codec.
FOURCC | FS versions | Description | Alpha premultiplied? | Compression ratio | Texture Type |
---|---|---|---|---|---|
DXT1 | All ¹ | 1-bit Alpha / Opaque | N/A | 8:1 | Simple non-alpha |
DXT2 | Not supported | Explicit alpha | Yes | 4:1 | Sharp alpha |
DXT3 | All | Explicit alpha | No | 4:1 | Sharp alpha |
DXT4 | Not supported | Interpolated alpha | Yes | 4:1 | Gradient alpha |
DXT5 | FSX only | Interpolated alpha | No | 4:1 | Gradient alpha |
Notes
- ¹ DXT1 with an alpha may cause transparency issues in FSX SP2.
- Mixing DXT1 & DXT3 textures may cause performance problems.
- For any packages requiring dual FS9 & FSX compatibility, to minimize any transparency issues, recommend using DXT3 type .
Tools
Tool | Description | Rating | Availability | URL |
Image Tool | Descriptive blurb | * * * * * | SDK | SDK |
DXTBmp | Descriptive blurb | * * * * * | Freeware | Click button at foot of page (SizeMb) |
Tool Name | Descriptive blurb | * * * * * | Payware | Download Page (SizeMb) |
Tool Name | Descriptive blurb | * * * * * | Freeware | Download Page (SizeMb) |