Initial release

resources/shaders/140/mm_contour.vs

@@ -0,0 +1,15 @@
+#version 140
+
+uniform mat4 view_model_matrix;
+uniform mat4 projection_matrix;
+uniform float offset;
+
+in vec3 v_position;
+
+void main()
+{
+    // Add small epsilon to z to solve z-fighting between painted triangles and contour lines.
+	vec4 clip_position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
+	clip_position.z -= offset * abs(clip_position.w);
+    gl_Position = clip_position;
+}