All non-trivial shaders are now loaded from files.

shaders/glsl/bloomPass.blur.frag.glsl

@@ -1,8 +1,11 @@
 precision mediump float;
+
 uniform float width, height;
 uniform sampler2D tex;
 uniform vec2 direction;
+
 varying vec2 vUV;
+
 void main() {
 	vec2 size = width > height ? vec2(width / height, 1.) : vec2(1., height / width);
 	gl_FragColor =
@@ -11,14 +14,4 @@ void main() {
 			texture2D(tex, vUV + direction / max(width, height) * size) +
 			texture2D(tex, vUV - direction / max(width, height) * size)
 		) * 0.279;
-	// gl_FragColor =
-	// 	texture2D(tex, vUV) * 0.38774 +
-	// 	(
-	// 		texture2D(tex, vUV + direction / max(width, height) * size * 0.5) +
-	// 		texture2D(tex, vUV - direction / max(width, height) * size * 0.5)
-	// 	) * 0.24477 +
-	// 	(
-	// 		texture2D(tex, vUV + direction / max(width, height) * size) +
-	// 		texture2D(tex, vUV - direction / max(width, height) * size)
-	// 	) * 0.06136;
 }

shaders/glsl/bloomPass.combine.frag.glsl

@@ -0,0 +1,20 @@
+precision mediump float;
+
+uniform sampler2D pyr_0;
+uniform sampler2D pyr_1;
+uniform sampler2D pyr_2;
+uniform sampler2D pyr_3;
+uniform sampler2D pyr_4;
+uniform float bloomStrength;
+
+varying vec2 vUV;
+
+void main() {
+	vec4 total = vec4(0.);
+	total += texture2D(pyr_0, vUV) * 0.96549;
+	total += texture2D(pyr_1, vUV) * 0.92832;
+	total += texture2D(pyr_2, vUV) * 0.88790;
+	total += texture2D(pyr_3, vUV) * 0.84343;
+	total += texture2D(pyr_4, vUV) * 0.79370;
+	gl_FragColor = total * bloomStrength;
+}

shaders/glsl/bloomPass.highPass.frag.glsl

@@ -1,7 +1,10 @@
 precision mediump float;
-varying vec2 vUV;
+
 uniform sampler2D tex;
 uniform float highPassThreshold;
+
+varying vec2 vUV;
+
 void main() {
 	vec4 color = texture2D(tex, vUV);
 	if (color.r < highPassThreshold) color.r = 0.0;