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++ {
++ "QEN": {
++ "description": "The FastBlur effect softens the source content by blurring it with algorithm which uses the source content downscaling and bilinear filtering.",
++ "fragmentCode": [
++ "@requires BlurHelper",
++ "@main",
++ "{",
++ " vec4 blurredColor = texture(iSource, texCoord) * blurWeight1[0];",
++ " blurredColor += texture(iSourceBlur1, texCoord) * blurWeight1[1];",
++ "#if (BLUR_HELPER_MAX_LEVEL > 2)",
++ " blurredColor += texture(iSourceBlur2, texCoord) * blurWeight1[2];",
++ "#endif",
++ "#if (BLUR_HELPER_MAX_LEVEL > 8)",
++ " blurredColor += texture(iSourceBlur3, texCoord) * blurWeight1[3];",
++ "#endif",
++ "#if (BLUR_HELPER_MAX_LEVEL > 16)",
++ " blurredColor += texture(iSourceBlur4, texCoord) * blurWeight2[0];",
++ "#endif",
++ "#if (BLUR_HELPER_MAX_LEVEL > 32)",
++ " blurredColor += texture(iSourceBlur5, texCoord) * blurWeight2[1];",
++ "#endif",
++ "",
++ " fragColor = blurredColor;",
++ "}"
++ ],
++ "name": "FastBlur",
++ "properties": [
++ {
++ "defaultValue": "0",
++ "description": "This value defines the softness of the shadow. A larger value causes the edges of the shadow to appear more blurry.",
++ "maxValue": "1",
++ "minValue": "0",
++ "name": "fastBlurAmount",
++ "type": "float"
++ }
++ ],
++ "version": 1,
++ "vertexCode": [
++ "out vec4 blurWeight1;",
++ "out vec2 blurWeight2;",
++ "",
++ "float blurWeight(float v) {",
++ " return max(0.0, min(1.0, 1.0 - v * 2.0));",
++ "}",
++ "",
++ "@main",
++ "{",
++ " float blurLod = sqrt(fastBlurAmount * (BLUR_HELPER_MAX_LEVEL / 64.0)) * 1.2 - 0.2;",
++ " float bw1 = blurWeight(abs(blurLod - 0.1));",
++ " float bw2 = blurWeight(abs(blurLod - 0.3));",
++ " float bw3 = blurWeight(abs(blurLod - 0.5));",
++ " float bw4 = blurWeight(abs(blurLod - 0.7));",
++ " float bw5 = blurWeight(abs(blurLod - 0.9));",
++ " float bw6 = blurWeight(abs(blurLod - 1.1));",
++ "",
++ " float bsum = bw1 + bw2 + bw3 + bw4 + bw5 + bw6;",
++ " blurWeight1 = vec4(bw1 / bsum, bw2 / bsum, bw3 / bsum, bw4 / bsum);",
++ " blurWeight2 = vec2(bw5 / bsum, bw6 / bsum);",
++ "}"
++ ]
++ }
++ }