questions about pvr file format

This topic contains 2 replies, has 2 voices, and was last updated by  pset_chris 8 years, 7 months ago.

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  • #29717

    pset_chris
    Member

    Hello,

    I have some questions about the pvr file format:

    1. What are false-coloured Mip-maps? How can I get a PVR file with fales-coloured MIP-map levels encoded using the PVRTexTools?

    2. Has the volume texture been supported by the PVR file yet? 

    Thank you!

    #32775

    Gordon
    Moderator

    MIP-map levels in a texture are usually miniaturized versions of the original image, but for debugging purposes it’s sometimes desirable to distinguish levels from each other. One way of doing this is to tint them with various colours.

    To use this functionality in PVRTexToolGUI: open an image with power of two dimensions. MIP-maps should be automatically generated. Go to the Preprocessing dialog (under Edit in the menu) and choose “Colour MIP-maps”. If you click on the various levels in the surface pane on the right you can see the results of this operation.

    To generate false colour MIP-maps with the command line PVRTexTool use the -m and -e options together.

    PVR files can be used to store volume textures, however such files are not supported in PVRTexTool at this time.

    #32776

    pset_chris
    Member

    Hi, Gordon.

    Thank you for your reply! Smile

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