if DISPLAY->SupportsPerVertexMatrixScale, then merge meshes with equal names. The allows some NoteSkins to be drawn in either 2 meshes or only 1 if vertex shaders are supported.

stepmania/src/RageDisplay_OGL.cpp

@@ -1198,7 +1198,7 @@ void RageCompiledGeometryHWOGL::Draw( int iMeshIndex ) const
 
 	if( meshInfo.m_bNeedsTextureMatrixScale )
 	{
-		if( false )	//g_bTextureMatrixShader != 0 )
+		if( g_bTextureMatrixShader != 0 )
 		{
 			/* If we're using texture matrix scales, set up that buffer, too, and enable the
 			 * vertex shader.  This shader doesn't support all OpenGL state, so only enable it
@@ -1998,6 +1998,11 @@ bool RageDisplay_OGL::SupportsTextureFormat( PixelFormat pixfmt, bool bRealtime
 	}
 }
 
+bool RageDisplay_OGL::SupportsPerVertexMatrixScale()
+{
+	return g_bTextureMatrixShader != 0;
+}
+
 void RageDisplay_OGL::SetSphereEnvironmentMapping( bool b )
 {
 	if( b )