Replaced some opengl fixed functions with shaders. Temporary ShyotlUseLegacyRenderPath setting to debug if this change actually improves framerate at all (setting not tied to callbacks. Have to toggle shaders to have stuff pick up the setting change)

indra/newview/llviewerwindow.cpp

@@ -2401,6 +2401,10 @@ void LLViewerWindow::draw()
 	// Draw all nested UI views.
 	// No translation needed, this view is glued to 0,0
 
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gUIProgram.bind();
+	}
 	gGL.pushMatrix();
 	{
 		// scale view by UI global scale factor and aspect ratio correction factor
@@ -2492,6 +2496,10 @@ void LLViewerWindow::draw()
 	}
 	gGL.popMatrix();
 
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gUIProgram.unbind();
+	}
 #if LL_DEBUG
 	LLView::sIsDrawing = FALSE;
 #endif