yes

modules/wallpaper-engine/shaders/editor/meshviewportshading.vert

@@ -0,0 +1,17 @@
+
+uniform mat4 g_ModelViewMatrix;
+uniform mat4 g_ModelViewProjectionMatrix;
+
+attribute vec3 a_Position;
+attribute vec4 a_Color;
+
+varying vec4 v_ScreenPos;
+varying vec4 v_ScreenNorm;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+
+	vec3 normal = normalize(a_Color.rgb * 2.0 - 1.0);
+	v_ScreenPos = gl_Position;
+	v_ScreenNorm = mul(vec4(normal, 0.0), g_ModelViewProjectionMatrix);
+}