The primary and bloom textures are now combined with a weight so that fainter bloom doesn't create a fainter overall effect.

shaders/glsl/imagePass.frag.glsl

@@ -2,13 +2,20 @@ precision mediump float;
 uniform sampler2D tex;
 uniform sampler2D bloomTex;
 uniform sampler2D backgroundTex;
+uniform float bloomStrength;
 varying vec2 vUV;
 
+vec4 getBrightness(vec2 uv) {
+	vec4 primary = texture2D(tex, uv);
+	vec4 bloom = texture2D(bloomTex, uv) * bloomStrength;
+	return min((primary + bloom) * (2.0 - bloomStrength), 1.0);
+}
+
 void main() {
 	vec3 bgColor = texture2D(backgroundTex, vUV).rgb;
 
 	// Combine the texture and bloom, then blow it out to reveal more of the image
-	float brightness = pow(min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r, 1.5);
+	float brightness = pow(getBrightness(vUV).r, 1.5);
 	
 	gl_FragColor = vec4(bgColor * brightness, 1.0);
 }

shaders/glsl/palettePass.frag.glsl

@@ -4,6 +4,7 @@ precision mediump float;
 uniform sampler2D tex;
 uniform sampler2D bloomTex;
 uniform sampler2D palette;
+uniform float bloomStrength;
 uniform float ditherMagnitude;
 uniform float time;
 uniform vec3 backgroundColor;
@@ -15,8 +16,14 @@ highp float rand( const in vec2 uv, const in float t ) {
 	return fract(sin(sn) * c + t);
 }
 
+vec4 getBrightness(vec2 uv) {
+	vec4 primary = texture2D(tex, uv);
+	vec4 bloom = texture2D(bloomTex, uv) * bloomStrength;
+	return min((primary + bloom) * (2.0 - bloomStrength), 1.0);
+}
+
 void main() {
-	vec4 brightnessRGB = texture2D( tex, vUV ) + texture2D( bloomTex, vUV );
+	vec4 brightnessRGB = getBrightness(vUV);
 
 	// Combine the texture and bloom
 	float brightness = brightnessRGB.r + brightnessRGB.g + brightnessRGB.b;

shaders/glsl/resurrectionPass.frag.glsl

@@ -3,6 +3,7 @@ precision mediump float;
 
 uniform sampler2D tex;
 uniform sampler2D bloomTex;
+uniform float bloomStrength;
 uniform float ditherMagnitude;
 uniform float time;
 uniform vec3 backgroundColor;
@@ -38,7 +39,7 @@ void main() {
 	// Mix the texture and bloom based on distance from center,
 	// to approximate a lens blur
 	vec3 brightness = mix(
-		texture2D( bloomTex, vUV ).rgb, 
+		texture2D( bloomTex, vUV ).rgb * bloomStrength,
 		texture2D( tex, vUV ).rgb, 
 		(0.7 - length(vUV - 0.5))
 	) * 1.25;

shaders/glsl/stripePass.frag.glsl

@@ -3,6 +3,7 @@ precision mediump float;
 
 uniform sampler2D tex;
 uniform sampler2D bloomTex;
+uniform float bloomStrength;
 uniform sampler2D stripes;
 uniform float ditherMagnitude;
 uniform float time;
@@ -15,10 +16,16 @@ highp float rand( const in vec2 uv, const in float t ) {
 	return fract(sin(sn) * c + t);
 }
 
+vec4 getBrightness(vec2 uv) {
+	vec4 primary = texture2D(tex, uv);
+	vec4 bloom = texture2D(bloomTex, uv) * bloomStrength;
+	return min((primary + bloom) * (2.0 - bloomStrength), 1.0);
+}
+
 void main() {
 	vec3 color = texture2D(stripes, vUV).rgb;
 	// Combine the texture and bloom
-	float brightness = min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r;
+	float brightness = getBrightness(vUV).r;
 
 	// Dither: subtract a random value from the brightness
 	brightness = brightness - rand( gl_FragCoord.xy, time ) * ditherMagnitude;