diff --git a/src/imports/designeffects/shaders/gaussianBlur.frag b/src/imports/designeffects/shaders/gaussianBlur.frag index 0926676..0e877d9 100644 --- a/src/imports/designeffects/shaders/gaussianBlur.frag +++ b/src/imports/designeffects/shaders/gaussianBlur.frag @@ -24,11 +24,19 @@ vec4 gaussianBlur(sampler2D tex, int miplevel) { float k = ceil(blurKernel); // Normalize kernel weights - for (float i = -k; i <= k; ++i) { + float i = -k; + for(int ii = 0; ii < 10000; ++ii) { + if (i > k) + break; sum += exp(-0.5 * pow(i / sigma, 2.0)) / (sqrtDoublePI * sigma); + ++i; } - for (float i = -k; i <= k; ++i) { + i = -k; + for(int ii = 0; ii < 10000; ++ii) { + if (i > k) + break; + vec2 coord = qt_TexCoord0 + (pixelSize * float(i)); float weight = exp(-0.5 * pow(i / sigma, 2.0)) / (sqrtDoublePI * sigma); @@ -39,6 +47,7 @@ vec4 gaussianBlur(sampler2D tex, int miplevel) { } else { col += texture(tex, coord) * weight / sum; } + ++i; } return col;