glsl: Add ARB_gpu_shader5 textureGatherOffset signatures
authorChris Forbes <chrisf@ijw.co.nz>
Sun, 6 Oct 2013 00:23:59 +0000 (13:23 +1300)
committerChris Forbes <chrisf@ijw.co.nz>
Sat, 26 Oct 2013 08:54:15 +0000 (21:54 +1300)
commit00235402a0a341426c0ef292209489e0922309eb
treee378ba1a297564683fd58ebc4d9188fb6057fa7b
parentd07d38e696ef4a472910a6abe06b8b8dde4acbbc
glsl: Add ARB_gpu_shader5 textureGatherOffset signatures

- gsampler2DRect
- optional `comp` parameter

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
src/glsl/builtin_functions.cpp