Hi, Brian
inst->TexSrcUnit is used as a sampler unit for a GLSL program since
the commit ade508312c701ce89d3c2cd717994dbbabb4f207, however it is still
used as a source texture unit for an internal program. So a DRI driver
(such as i965) doesn't know inst->TexSrcUnit is a sampler or texture
unit when it scans all tex instructions of the currently enabled and
valid program (internal program or compiled shader program). Is there
any flag to distinguish them?
Thanks
Haihao
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