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Author SHA1 Message Date
Ian Romanick
7e2aa91507 glsl2: Add and use new variable mode ir_var_temporary 
This is quite a large patch because breaking it into smaller pieces
would result in the tree being intermitently broken.  The big changes
are:

    * Add the ir_var_temporary variable mode

    * Change the ir_variable constructor to take the mode as a
      parameter and correctly specify the mode for all ir_varables.

    * Change the linker to not cross validate ir_var_temporary
      variables.

    * Change the linker to pull all ir_var_temporary variables from
      global scope into 'main'.
 2010-07-20 17:48:24 -07:00
Eric Anholt
8a1f186cc5 glsl2: Add a pass to convert mod(a, b) to b * fract(a/b). 
This is used by the Mesa IR backend to implement mod, fixing glsl-fs-mod.
 2010-07-01 11:07:23 -07:00