yes

modules/wallpaper-engine/shaders/effectcomposebackground.vert

@@ -0,0 +1,19 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform mat4 g_EffectModelViewProjectionMatrix;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+varying vec3 v_ScreenCoord;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+
+	v_TexCoord = a_TexCoord;
+	v_ScreenCoord = mul(vec4((a_Position), 1.0), g_EffectModelViewProjectionMatrix).xyw;
+#if HLSL
+	v_ScreenCoord.y = -v_ScreenCoord.y;
+#endif
+}