search for: swizzler

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2009 Jan 25
0
Gallium NV40 Textures
...the texture format(A8R8G8B8) and 0x400 is for the > size (1x1). For some reason the hw doesn't like 1x1 swizzled > textures? Yeah I know what this is about. Swizzling is broken for mip maps. The first few levels swizzle fine, but after that something screws up. I think the swizzler has some limitations for the dest surface. dest must be aligned to some boundary (64 bytes? 128?) i think, so that means each mip level must be aligned, and we probably aren't obeying that at the moment. probably the hw won't handle 1xN or Nx1 either. Try the progs/tests/mipmap_view, IIRC 8...