set up the kernels

read 16bit value and convert to 24bit RGB

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------------------------------------------------------------------------------------------------ D3D12 exports a new method for serializing root signa

Subobject Callbacks

Check whether the mesh contains normal vectors

Check whether the mesh contains positions. Provided no special scene flags are set, this will always be true

Check whether the mesh contains tangent and bitangent vectors It is not possible that it contains tangents and no bitangents (or the other way round).

Check whether the mesh contains a texture coordinate set \param pIndex Index of the texture coordinates set

------------------------------------------------------------------------------------------------ Row-by-row memcpy

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build a table that decodes both magnitude and value of small ACs in one go.

decode image to YCbCr format