Fix invalid calls to glLineWidth on some linux GL drivers

Signed-off-by: Rye <rye@alchemyviewer.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 3f1dc3d3c1..970a9f6975 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -1923,6 +1923,24 @@ void LLRender::diffuseColor4ub(U8 r, U8 g, U8 b, U8 a)
     }
 }
 
+void LLRender::setLineWidth(F32 width)
+{
+    gGL.flush();
+
+    if(sGLCoreProfile)
+    {
+        width = 1.f;
+    }
+    else
+    {
+        width = llclamp(width, gGLManager.mMinSmoothLineWidth, gGLManager.mMaxSmoothLineWidth);
+    }
+    if(mLineWidth != width)
+    {
+        mLineWidth = width;
+        glLineWidth(width);
+    }
+}
 
 void LLRender::debugTexUnits(void)
 {