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* glsl/builtins: normalize of a negative scalar should be -1.0.Kenneth Graunke2010-09-091-1/+1
* glsl/builtins: Simplify degenerate scalar float cases.Kenneth Graunke2010-09-081-1/+1
* glsl2: Rework builtin function generation.Kenneth Graunke2010-08-131-0/+21