diff --git a/src/bin/wireframe/main.rs b/src/bin/wireframe/main.rs
index 23a3b58..2aff6e7 100644
--- a/src/bin/wireframe/main.rs
+++ b/src/bin/wireframe/main.rs
@@ -247,7 +247,7 @@ impl<'a> State<'a> {
 			wgpu::MultisampleState {
 				count: viewport.sample_count(),
 				mask: !0,
-				alpha_to_coverage_enabled: true,
+				alpha_to_coverage_enabled: false,
 			},
 		);
 
diff --git a/src/bin/wireframe/mesh.wgsl b/src/bin/wireframe/mesh.wgsl
index 9e92181..0de69b4 100644
--- a/src/bin/wireframe/mesh.wgsl
+++ b/src/bin/wireframe/mesh.wgsl
@@ -20,15 +20,44 @@ struct VertexOutput {
 	@location(0) vertex_color: vec4<f32>,
 }
 
+struct FragmentOutput {
+	@location(0) color: vec4<f32>,
+	@builtin(sample_mask) mask: u32,
+}
+
+fn hash(key : u32) -> u32 {
+	var v = key;
+	v *= 0xb384af1bu;
+	v ^= v >> 15u;
+	return v;
+}
+
 @vertex
 fn vs_main(ver: VertexInput) -> VertexOutput {
 	var out: VertexOutput;
-	out.vertex_color = mesh.color;
+	var light = dot(ver.normal, normalize(vec3(1., 1., 1.)));
+	light = .7 + .3 * light;
+	out.vertex_color = light * mesh.color;
 	out.clip_position = camera.mvp * vec4(ver.position, 1.);
 	return out;
 }
 
 @fragment
-fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
-	return in.vertex_color;
+fn fs_main(in: VertexOutput) -> FragmentOutput {
+	var out: FragmentOutput;
+	out.color = vec4(in.vertex_color.xyz, 1.);
+	var x = bitcast<u32>(in.clip_position.x);
+	var y = bitcast<u32>(in.clip_position.y);
+	var z = bitcast<u32>(in.clip_position.z);
+	var alpha = in.vertex_color.w;
+	var seed = hash(hash(hash(x) ^ y) ^ z);
+	var mask = 0u;
+	for (var sample = 0u; sample < 8u; sample++) {
+		var threshold = f32(hash(seed ^ sample)) / 0x1p32;
+		if (alpha > threshold) {
+			mask |= 1u << sample;
+		}
+	}
+	out.mask = mask;
+	return out;
 }