[compiz] WARNING ONLY A PROOF OF CONCEPT: copy texturing to fix maximum texture size restrictions

[Dennis Kasprzyk]

Hi,

this mail contains a core patch that enables wrapping of texture functions and 
a plugin that uses this functions to realize the so called "copy mode". The 
pure "copy" code is quite simple and mostly clean. The most "hacky" part is 
the code that fixes the maximum texture size limitations of some graphic 
cards. But maybe we can use this as a basis to create a proper interface to 
this problem. The pure copy part of the plugin can also be used to provide a 
system that replaces the texture from pixmap extension for some buggy graphic 
card drivers.

DO NOT USE THIS FOR PRODUCTIVE WORK !!!!!

Dennis
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