 		glEnable(GLenum(GL_BLEND))
 		glBlendFunc(GLenum(GL_SRC_ALPHA), GLenum(GL_ONE_MINUS_SRC_ALPHA))
 		
+		// Permanent markers
 		for primitive in primitives.values {
 			// Set color
 			glUniform4f(markerUniforms.color,

			render(primitive: primitive)
		}
		
		glDisable(GLenum(GL_BLEND))
	}
}

		markerUniforms.modelViewMatrix = glGetUniformLocation(debugProgram, "modelViewProjectionMatrix")
		markerUniforms.color = glGetUniformLocation(debugProgram, "markerColor")
		primitives = [:]
		transientPrimitives = []
	}
	
	func renderMarkers(inProjection projection: GLKMatrix4) {
