r300: don't use smooth line if not requested
This patch makes these tests passing:
dEQP-GLES2.functional.rasterization.interpolation.basic.line_loop_wide,UnexpectedPass
dEQP-GLES2.functional.rasterization.interpolation.basic.lines_wide,UnexpectedPass
dEQP-GLES2.functional.rasterization.interpolation.projected.line_loop_wide,UnexpectedPass
dEQP-GLES2.functional.rasterization.interpolation.projected.line_strip_wide,UnexpectedPass
dEQP-GLES2.functional.rasterization.interpolation.projected.lines_wide,UnexpectedPass
dEQP-GLES2.functional.rasterization.primitives.line_loop,UnexpectedPass
dEQP-GLES2.functional.rasterization.primitives.line_strip,UnexpectedPass
dEQP-GLES2.functional.rasterization.primitives.lines,UnexpectedPass
dEQP-GLES2.functional.rasterization.primitives.lines_wide,UnexpectedPass
There are still some tests failing or giving warning about precision, I'm guessing due to scaling.
Edited by Filip Gawin