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microsoft / graphics-driver-samples

This repository contains graphics driver samples used to demonstrate how to write graphics driver for the windows platform.
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Implement support for DX Block Compression texture format #24

Open indygit opened 8 years ago

indygit commented 8 years ago

The VC4 GPU doesn't support BCn formats natively: https://msdn.microsoft.com/en-us/library/windows/desktop/bb694531(v=vs.85).aspx

We can consider 2 approaches:

  1. Decompress the texture into uncompressed R8G8B8A8 format
  2. Recompress the texture using ETC1 format that VC4 supports