What is a HILO texture?

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0 comments, last by jpetrie 16 years, 5 months ago
I readed a paper,and I want to implement it.but I cannot understand something. It refers a HILO texture object,using to implement the DotProductDepthReplace fragment operation(OpenGL extensions). I want to study the OpenGL extensions programming,how to start? What is the HILO texture?
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