freedreno/ir3: Add workaround for VS samgq
This instruction appears to need a workaround when used from vertex shaders.
Fixes:
dEQP-GLES3.functional.shaders.texture_functions.texturegradoffset.sampler2dshadow_vertex dEQP-GLES3.functional.shaders.texture_functions.texturegradoffset.sampler3d_fixed_vertex dEQP-GLES3.functional.shaders.texture_functions.texturegradoffset.sampler3d_float_vertex dEQP-GLES3.functional.shaders.texture_functions.textureprojgradoffset.sampler2dshadow_vertex dEQP-GLES3.functional.shaders.texture_functions.textureprojgradoffset.sampler3d_fixed_vertex dEQP-GLES3.functional.shaders.texture_functions.textureprojgradoffset.sampler3d_float_vertex dEQP-GLES3.functional.shaders.texture_functions.textureprojgrad.sampler2dshadow_vertex
Signed-off-by: Kristian H. Kristensen hoegsberg@chromium.org