diff --git a/effects/blur/blurshader.cpp b/effects/blur/blurshader.cpp
--- a/effects/blur/blurshader.cpp
+++ b/effects/blur/blurshader.cpp
@@ -91,14 +91,15 @@
     streamFragDown << "void main(void)\n";
     streamFragDown << "{\n";
     streamFragDown << "    vec2 uv = vec2(gl_FragCoord.xy / renderTextureSize);\n";
+    streamFragDown << "    const vec4 powVal = vec4(2, 2, 2, 2);\n";
     streamFragDown << "    \n";
-    streamFragDown << "    vec4 sum = " << texture2D << "(texUnit, uv) * 4.0;\n";
-    streamFragDown << "    sum += " << texture2D << "(texUnit, uv - halfpixel.xy * offset);\n";
-    streamFragDown << "    sum += " << texture2D << "(texUnit, uv + halfpixel.xy * offset);\n";
-    streamFragDown << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset);\n";
-    streamFragDown << "    sum += " << texture2D << "(texUnit, uv - vec2(halfpixel.x, -halfpixel.y) * offset);\n";
+    streamFragDown << "    vec4 sum = pow(" << texture2D << "(texUnit, uv) * 4.0, powVal);\n";
+    streamFragDown << "    sum += pow(" << texture2D << "(texUnit, uv - halfpixel.xy * offset), powVal);\n";
+    streamFragDown << "    sum += pow(" << texture2D << "(texUnit, uv + halfpixel.xy * offset), powVal);\n";
+    streamFragDown << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset), powVal);\n";
+    streamFragDown << "    sum += pow(" << texture2D << "(texUnit, uv - vec2(halfpixel.x, -halfpixel.y) * offset), powVal);\n";
     streamFragDown << "    \n";
-    streamFragDown << "    " << fragColor << " = sum / 8.0;\n";
+    streamFragDown << "    " << fragColor << " = sqrt(sum) / 4.6;\n";
     streamFragDown << "}\n";
 
     streamFragDown.flush();
@@ -111,17 +112,18 @@
     streamFragUp << "void main(void)\n";
     streamFragUp << "{\n";
     streamFragUp << "    vec2 uv = vec2(gl_FragCoord.xy / renderTextureSize);\n";
+    streamFragUp << "    const vec4 powVal = vec4(2, 2, 2, 2);\n";
     streamFragUp << "    \n";
-    streamFragUp << "    vec4 sum = " << texture2D << "(texUnit, uv + vec2(-halfpixel.x * 2.0, 0.0) * offset);\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(-halfpixel.x, halfpixel.y) * offset) * 2.0;\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(0.0, halfpixel.y * 2.0) * offset);\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x, halfpixel.y) * offset) * 2.0;\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x * 2.0, 0.0) * offset);\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset) * 2.0;\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(0.0, -halfpixel.y * 2.0) * offset);\n";
-    streamFragUp << "    sum += " << texture2D << "(texUnit, uv + vec2(-halfpixel.x, -halfpixel.y) * offset) * 2.0;\n";
+    streamFragUp << "    vec4 sum = pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x * 2.0, 0.0) * offset), powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x, halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(0.0, halfpixel.y * 2.0) * offset), powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x, halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x * 2.0, 0.0) * offset), powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(0.0, -halfpixel.y * 2.0) * offset), powVal);\n";
+    streamFragUp << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x, -halfpixel.y) * offset) * 2.0, powVal);\n";
     streamFragUp << "    \n";
-    streamFragUp << "    " << fragColor << " = sum / 12.0;\n";
+    streamFragUp << "    " << fragColor << " = sqrt(sum) / 4.35;\n";
     streamFragUp << "}\n";
 
     streamFragUp.flush();
@@ -161,17 +163,18 @@
     streamFragNoise << "{\n";
     streamFragNoise << "    vec2 uv = vec2(gl_FragCoord.xy / renderTextureSize);\n";
     streamFragNoise << "    vec2 uvNoise = vec2((texStartPos.xy + gl_FragCoord.xy) / noiseTextureSize);\n";
+    streamFragNoise << "    const vec4 powVal = vec4(2, 2, 2, 2);\n";
     streamFragNoise << "    \n";
-    streamFragNoise << "    vec4 sum = " << texture2D << "(texUnit, uv + vec2(-halfpixel.x * 2.0, 0.0) * offset);\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(-halfpixel.x, halfpixel.y) * offset) * 2.0;\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(0.0, halfpixel.y * 2.0) * offset);\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x, halfpixel.y) * offset) * 2.0;\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x * 2.0, 0.0) * offset);\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset) * 2.0;\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(0.0, -halfpixel.y * 2.0) * offset);\n";
-    streamFragNoise << "    sum += " << texture2D << "(texUnit, uv + vec2(-halfpixel.x, -halfpixel.y) * offset) * 2.0;\n";
+    streamFragNoise << "    vec4 sum = pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x * 2.0, 0.0) * offset), powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x, halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(0.0, halfpixel.y * 2.0) * offset), powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x, halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x * 2.0, 0.0) * offset), powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(halfpixel.x, -halfpixel.y) * offset) * 2.0, powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(0.0, -halfpixel.y * 2.0) * offset), powVal);\n";
+    streamFragNoise << "    sum += pow(" << texture2D << "(texUnit, uv + vec2(-halfpixel.x, -halfpixel.y) * offset) * 2.0, powVal);\n";
     streamFragNoise << "    \n";
-    streamFragNoise << "    " << fragColor << " = sum / 12.0 - (vec4(0.5, 0.5, 0.5, 0) - vec4(" << texture2D << "(noiseTexUnit, uvNoise).rrr, 0));\n";
+    streamFragNoise << "    " << fragColor << " = sqrt(sum) / 4.35 - (vec4(0.5, 0.5, 0.5, 0) - vec4(" << texture2D << "(noiseTexUnit, uvNoise).rrr, 0));\n";
     streamFragNoise << "}\n";
 
     streamFragNoise.flush();