stuff

modules/wallpaper-engine/shaders/composelayer.vert

@@ -0,0 +1,23 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+varying vec3 v_ScreenCoord;
+
+void main() {
+	v_ScreenCoord = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix).xyw;
+	vec3 position = vec3(a_TexCoord, 0.0);
+	
+#ifdef HLSL
+	position.y = 1.0 - position.y;
+	v_ScreenCoord.y = -v_ScreenCoord.y;
+#endif
+	
+	position.xy = position.xy * 2.0 - 1.0;
+	gl_Position = vec4(position, 1.0);
+	
+	v_TexCoord = a_TexCoord;
+}