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authorBrian <brian.paul@tungstengraphics.com>2007-10-26 19:19:09 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-10-26 19:19:51 -0600
commit8fed2466e4056668a76a87cf935b5fbff8ae15ca (patch)
tree81345e5b5ee66dc2dd299f5b9ce29314f2e52735 /src/mesa/sources
parent789d248558061fe4d65f664d6770a12b90fa2e34 (diff)
Re-implement GLSL texture sampler variables.
GLSL sampler variables indicate which texture unit to use for TEX instructions. Previously, this was baked into the fragment/vertex program and couldn't be readily changed once set. Now, SamplerUnits[] array indicates which texture unit is to be used for each sampler variable. These values are set with glUniform1i(). This is extra state that must be passed to the fragment/vertex program executor at runtime.
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