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authorEric Anholt <[email protected]>2010-09-01 16:06:32 -0700
committerEric Anholt <[email protected]>2010-09-07 13:59:29 -0700
commit6c0ba32fd1466e8c1700acab3003dc1fe1deb337 (patch)
tree08815f9b81e5faee71ca2a02b777d94dda29b130 /common.py
parent956f049fd24eb5239361e68a1f27e1bebb3315a0 (diff)
ir_to_mesa: Move the STATE_VAR elements of a builtin uniform to a temp (v2).
Like the constant handling and the handling of other uniforms, we add the whole thing to the Parameters, avoiding messy, incomplete logic for adding just the elements of a builting uniform that get used. This means that a driver that relies only on ParameterValues[] for its parameters will have an increased parameter load, but drivers generally don't do that (since they have other params they need to handle, too). Fixes glsl-fs-statevar-call (testcase for Ember). Bug #29687. v2: Continue referencing the STATE_VAR[] file directly when the uniform will land in STATE_VAR[] formatted exactly as we'd put into a temporary. When there's array dereferencing, we don't copy-propagate in Mesa IR (not knowing where the array is in register space), so smarts here are required or we'll massively increase the temp count.
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