Fallback to software render if there is no miptree for an image

This can happen when checking if a software fallback for a higher level
operation (such as GenerateMipmap) is needed.

Signed-off-by: Maciej Cencora <m.cencora@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
1 file changed