What's the meaning of each component of a D3DFMT_Q8W8V8U8 texture?

Graphics and GPU Programming Programming

Started by chema July 25, 2007 11:14 AM

0 comments, last by Evil Steve 16 years, 9 months ago

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July 25, 2007 11:14 AM

Hello, Just a quick question: In a D3DFMT_Q8W8V8U8 texture what does each component (specially Q and W) mean? Regards Chema

///////////////////////////// Good luck, // // you will need it! /////////////////////////////Chema

Evil Steve

2,021

July 25, 2007 12:48 PM

From the docs:

Quote:D3DFMT_Q8W8V8U8: 32-bit bump-map format using 8 bits for each channel.

So it stands for 4D texture coordinates, U, V, W, Q. The reason it's Q instead of X, is X generally refers to vertex positions rather than texture coordinates. And I know W is used in 4D positional coordinates [smile]

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What's the meaning of each component of a D3DFMT_Q8W8V8U8 texture?

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