BokehCircular_GL.py

# -*- coding: utf-8 -*-
# DO NOT EDIT THIS FILE
# This file was automatically generated by Natron PyPlug exporter version 10.

# Hand-written code should be added in a separate file named BokehCircular_GLExt.py
# See http://natron.readthedocs.org/en/master/devel/groups.html#adding-hand-written-code-callbacks-etc
# Note that Viewers are never exported

import NatronEngine
import sys

# Try to import the extensions file where callbacks and hand-written code should be located.
try:
    from BokehCircular_GLExt import *
except ImportError:
    pass

def getPluginID():
    return "fr.inria.BokehCircular"

def getLabel():
    return "BokehCircular_GL"

def getVersion():
    return 1

def getIconPath():
    return "BokehCircular_GL.png"

def getGrouping():
    return "Community/GLSL/Blur"

def getPluginDescription():
    return "Triple circular blur from https://www.shadertoy.com/view/Xd33Dl, stolen from @and \'s GDC talk about Dead Space 3 ( http://www.gdcvault.com/play/1017718/Rendering-Tricks-in-Dead-Space / https://archive.org/details/GDC2013Andreev ) ...blur-sizes for second and third pass probably needs tweaking.\nAuthor: F. Devernay."

def createInstance(app,group):
    # Create all nodes in the group

    # Create the parameters of the group node the same way we did for all internal nodes
    lastNode = group
    lastNode.setColor(1, 0.5686, 0.3333)

    # Create the user parameters
    lastNode.userNatron = lastNode.createPageParam("userNatron", "Controls")
    param = lastNode.createStringParam("sep01", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep01 = param
    del param

    param = lastNode.createStringParam("sep02", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep02 = param
    del param

    param = lastNode.createSeparatorParam("SETUP", "Setup")

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setPersistent(False)
    param.setEvaluateOnChange(False)
    lastNode.SETUP = param
    del param

    param = lastNode.createStringParam("sep03", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep03 = param
    del param

    param = lastNode.createStringParam("sep04", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep04 = param
    del param

    param = lastNode.createDoubleParam("BufAparamValueFloat0", "Blur Size : ")
    param.setMinimum(0, 0)
    param.setMaximum(100, 0)
    param.setDisplayMinimum(0, 0)
    param.setDisplayMaximum(100, 0)
    param.setDefaultValue(8, 0)
    param.restoreDefaultValue(0)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setAddNewLine(True)
    param.setAnimationEnabled(True)
    lastNode.BufAparamValueFloat0 = param
    del param

    param = lastNode.createStringParam("sep05", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep05 = param
    del param

    param = lastNode.createIntParam("BufAparamValueInt1", "Samples : ")
    param.setMinimum(1, 0)
    param.setMaximum(20, 0)
    param.setDisplayMinimum(1, 0)
    param.setDisplayMaximum(20, 0)
    param.setDefaultValue(12, 0)
    param.restoreDefaultValue(0)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setAnimationEnabled(True)
    lastNode.BufAparamValueInt1 = param
    del param

    param = lastNode.createStringParam("sep06", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep06 = param
    del param

    param = lastNode.createStringParam("sep07", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep07 = param
    del param

    param = lastNode.createSeparatorParam("LINE01", "")

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setPersistent(False)
    param.setEvaluateOnChange(False)
    lastNode.LINE01 = param
    del param

    param = lastNode.createBooleanParam("BufAparamValueBool2", "Modulate : ")

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setAnimationEnabled(True)
    lastNode.BufAparamValueBool2 = param
    del param

    param = lastNode.createStringParam("sep08", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep08 = param
    del param

    param = lastNode.createStringParam("sep09", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

    # Add the param to the page
    lastNode.userNatron.addParam(param)

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.sep09 = param
    del param

    # Refresh the GUI with the newly created parameters
    lastNode.setPagesOrder(['userNatron', 'Node', 'Settings'])
    lastNode.refreshUserParamsGUI()
    del lastNode

    # Start of node "BufA"
    lastNode = app.createNode("net.sf.openfx.Shadertoy", 1, group)
    lastNode.setScriptName("BufA")
    lastNode.setLabel("BufA")
    lastNode.setPosition(388, 242)
    lastNode.setSize(104, 34)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupBufA = lastNode

    param = lastNode.getParam("paramValueFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramValueInt1")
    if param is not None:
        param.setValue(12, 0)
        del param

    param = lastNode.getParam("paramValueBool2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("imageShaderFileName")
    if param is not None:
        param.setValue("/Users/devernay/Development/shadertoy/bokeh/circular3pass_Xd33Dl/BufA.frag")
        del param

    param = lastNode.getParam("imageShaderSource")
    if param is not None:
        param.setValue("// iChannel0: Source, filter=mipmap, wrap=clamp\n// iChannel1: Modulate (Image containing a factor to be applied to the Blur size in the first channel), filter=linear, wrap=clamp\n// Bbox: iChannel0\n\nuniform float blurdist_px = 8.0; // Blur Size (The blur size, in pixels.), min=0., max=100.\nuniform int NUM_SAMPLES = 6; // No. Samples (The number of samples used at each level. Higher values yield less noise.), min=1, max=20.\nuniform bool perpixel_size = false; // Modulate (Modulate the blur size by multiplying it by the first channel of the Modulate input)\nconst float blur_factor = 0.25; // factor on the blur size (empirical)\n\nconst vec2 iRenderScale = vec2(1.,1.);\n\nfloat hash12n(vec2 p)\n{\n    p  = fract(p * vec2(5.3987, 5.4421));\n    p += dot(p.yx, p.xy + vec2(21.5351, 14.3137));\n    return fract(p.x * p.y * 95.4307);\n}\n\nvoid mainImage( out vec4 fragColor, in vec2 fragCoord )\n{\n    vec2 uv = fragCoord / iResolution.xy;\n    float blur_r = blurdist_px * iRenderScale.x * blur_factor;\n    if (perpixel_size) {\n        blur_r *= texture2D(iChannel1, (fragCoord.xy-iChannelOffset[1].xy)/iChannelResolution[1].xy).x;\n    }\n\n    float da = 6.283 / float(NUM_SAMPLES);\n    float a = da * hash12n(uv+iGlobalTime);\n\n    vec4 sumcol = vec4(0.0);\n    for (int i=0;i<NUM_SAMPLES;++i)\n    {\n        vec2 ofs = vec2( cos(a), sin(a) ) * blur_r;\n        vec2 p = uv + ofs / iResolution.xy;\n\n\tvec4 sample = texture2D( iChannel0, p, -10.0 );\n        sumcol += sample;\n\n        a += da;\n    }\n    sumcol /= float(NUM_SAMPLES);\n    sumcol = max( sumcol, 0.0 );\n\n    fragColor = sumcol;\n}\n")
        del param

    param = lastNode.getParam("wrap0")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel0")
    if param is not None:
        param.setValue("Source")
        del param

    param = lastNode.getParam("mipmap1")
    if param is not None:
        param.set("linear")
        del param

    param = lastNode.getParam("wrap1")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel1")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("inputHint1")
    if param is not None:
        param.setValue("Image containing a factor to be applied to the Blur size in the first channel")
        del param

    param = lastNode.getParam("inputEnable2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("inputEnable3")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("bbox")
    if param is not None:
        param.set("iChannel0")
        del param

    param = lastNode.getParam("NatronParamFormatChoice")
    if param is not None:
        param.set("PC_Video")
        del param

    param = lastNode.getParam("mouseParams")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("paramCount")
    if param is not None:
        param.setValue(3, 0)
        del param

    param = lastNode.getParam("paramType0")
    if param is not None:
        param.set("float")
        del param

    param = lastNode.getParam("paramName0")
    if param is not None:
        param.setValue("blurdist_px")
        del param

    param = lastNode.getParam("paramLabel0")
    if param is not None:
        param.setValue("Blur Size")
        del param

    param = lastNode.getParam("paramHint0")
    if param is not None:
        param.setValue("The blur size, in pixels.")
        del param

    param = lastNode.getParam("paramDefaultFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramMinFloat0")
    if param is not None:
        param.setValue(0, 0)
        del param

    param = lastNode.getParam("paramMaxFloat0")
    if param is not None:
        param.setValue(100, 0)
        del param

    param = lastNode.getParam("paramType1")
    if param is not None:
        param.set("int")
        del param

    param = lastNode.getParam("paramName1")
    if param is not None:
        param.setValue("NUM_SAMPLES")
        del param

    param = lastNode.getParam("paramLabel1")
    if param is not None:
        param.setValue("No. Samples")
        del param

    param = lastNode.getParam("paramHint1")
    if param is not None:
        param.setValue("The number of samples used at each level. Higher values yield less noise.")
        del param

    param = lastNode.getParam("paramDefaultInt1")
    if param is not None:
        param.setValue(6, 0)
        del param

    param = lastNode.getParam("paramMinInt1")
    if param is not None:
        param.setValue(1, 0)
        del param

    param = lastNode.getParam("paramMaxInt1")
    if param is not None:
        param.setValue(20, 0)
        del param

    param = lastNode.getParam("paramType2")
    if param is not None:
        param.set("bool")
        del param

    param = lastNode.getParam("paramName2")
    if param is not None:
        param.setValue("perpixel_size")
        del param

    param = lastNode.getParam("paramLabel2")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("paramHint2")
    if param is not None:
        param.setValue("Modulate the blur size by multiplying it by the first channel of the Modulate input")
        del param

    del lastNode
    # End of node "BufA"

    # Start of node "BufB"
    lastNode = app.createNode("net.sf.openfx.Shadertoy", 1, group)
    lastNode.setScriptName("BufB")
    lastNode.setLabel("BufB")
    lastNode.setPosition(189, 424)
    lastNode.setSize(104, 34)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupBufB = lastNode

    param = lastNode.getParam("paramValueFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramValueInt1")
    if param is not None:
        param.setValue(12, 0)
        del param

    param = lastNode.getParam("paramValueBool2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("imageShaderFileName")
    if param is not None:
        param.setValue("/Users/devernay/Development/shadertoy/bokeh/circular3pass_Xd33Dl/BufB.frag")
        del param

    param = lastNode.getParam("imageShaderSource")
    if param is not None:
        param.setValue("// iChannel0: BufA, filter=linear, wrap=clamp\n// iChannel1: Modulate (Image containing a factor to be applied to the Blur size in the first channel), filter=linear, wrap=clamp\n// Bbox: iChannel0\n\nuniform float blurdist_px = 8.0; // Blur Size, min=0., max=100.\nuniform int NUM_SAMPLES = 6; // No. Samples, min=1; max=20.\nuniform bool perpixel_size = false; // Modulate (Modulate the blur size by multiplying it by the first channel of the Modulate input)\nconst float blur_factor = 0.25; // factor on the blur size (empirical)\n\nconst vec2 iRenderScale = vec2(1.,1.);\n\n//note: uniform pdf rand [0;1[\nfloat hash12n(vec2 p)\n{\n\tp  = fract(p * vec2(5.3987, 5.4421));\n    p += dot(p.yx, p.xy + vec2(21.5351, 14.3137));\n\treturn fract(p.x * p.y * 95.4307);\n}\n\n\nvoid mainImage( out vec4 fragColor, in vec2 fragCoord )\n{\n    vec2 uv = fragCoord / iResolution.xy;\n\n    float blur_r = blurdist_px * iRenderScale.x * blur_factor;\n    blur_r *= sqrt(2.0); //empiric constant...\n    if (perpixel_size) {\n        blur_r *= texture2D(iChannel1, (fragCoord.xy-iChannelOffset[1].xy)/iChannelResolution[1].xy).x;\n    }\n\n    float da = 6.283 / float(NUM_SAMPLES);\n    float a = 1.337 + da * hash12n(uv+fract(iGlobalTime));\n\n    vec3 sumcol = vec3(0.0);\n    for (int i=0;i<NUM_SAMPLES;++i)\n    {\n        vec2 ofs = vec2( cos(a), sin(a) ) / iResolution.xy * blur_r;\n        vec2 p = uv + ofs;\n       \tsumcol += texture2D(iChannel0, p, -10.0).rgb;\n        a += da;\n    }\n    sumcol /= float(NUM_SAMPLES);\n    sumcol = max( sumcol, 0.0 );\n\n    fragColor = vec4( sumcol, 1.0 );\n}\n")
        del param

    param = lastNode.getParam("mipmap0")
    if param is not None:
        param.set("linear")
        del param

    param = lastNode.getParam("wrap0")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel0")
    if param is not None:
        param.setValue("BufA")
        del param

    param = lastNode.getParam("mipmap1")
    if param is not None:
        param.set("linear")
        del param

    param = lastNode.getParam("wrap1")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel1")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("inputHint1")
    if param is not None:
        param.setValue("Image containing a factor to be applied to the Blur size in the first channel")
        del param

    param = lastNode.getParam("inputEnable2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("inputEnable3")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("bbox")
    if param is not None:
        param.set("iChannel0")
        del param

    param = lastNode.getParam("NatronParamFormatChoice")
    if param is not None:
        param.set("PC_Video")
        del param

    param = lastNode.getParam("mouseParams")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("paramCount")
    if param is not None:
        param.setValue(3, 0)
        del param

    param = lastNode.getParam("paramType0")
    if param is not None:
        param.set("float")
        del param

    param = lastNode.getParam("paramName0")
    if param is not None:
        param.setValue("blurdist_px")
        del param

    param = lastNode.getParam("paramLabel0")
    if param is not None:
        param.setValue("Blur Size")
        del param

    param = lastNode.getParam("paramDefaultFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramMinFloat0")
    if param is not None:
        param.setValue(0, 0)
        del param

    param = lastNode.getParam("paramMaxFloat0")
    if param is not None:
        param.setValue(100, 0)
        del param

    param = lastNode.getParam("paramType1")
    if param is not None:
        param.set("int")
        del param

    param = lastNode.getParam("paramName1")
    if param is not None:
        param.setValue("NUM_SAMPLES")
        del param

    param = lastNode.getParam("paramLabel1")
    if param is not None:
        param.setValue("No. Samples")
        del param

    param = lastNode.getParam("paramDefaultInt1")
    if param is not None:
        param.setValue(6, 0)
        del param

    param = lastNode.getParam("paramMinInt1")
    if param is not None:
        param.setValue(1, 0)
        del param

    param = lastNode.getParam("paramMaxInt1")
    if param is not None:
        param.setValue(20, 0)
        del param

    param = lastNode.getParam("paramType2")
    if param is not None:
        param.set("bool")
        del param

    param = lastNode.getParam("paramName2")
    if param is not None:
        param.setValue("perpixel_size")
        del param

    param = lastNode.getParam("paramLabel2")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("paramHint2")
    if param is not None:
        param.setValue("Modulate the blur size by multiplying it by the first channel of the Modulate input")
        del param

    del lastNode
    # End of node "BufB"

    # Start of node "Shadertoy1"
    lastNode = app.createNode("net.sf.openfx.Shadertoy", 1, group)
    lastNode.setScriptName("Shadertoy1")
    lastNode.setLabel("BufC")
    lastNode.setPosition(393, 424)
    lastNode.setSize(104, 34)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupShadertoy1 = lastNode

    param = lastNode.getParam("paramValueFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramValueInt1")
    if param is not None:
        param.setValue(12, 0)
        del param

    param = lastNode.getParam("paramValueBool2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("imageShaderSource")
    if param is not None:
        param.setValue("// iChannel0: BufB, filter=linear, wrap=clamp\n// iChannel1: Modulate (Image containing a factor to be applied to the Blur size in the first channel), filter=linear, wrap=clamp\n// Bbox: iChannel0\n\nuniform float blurdist_px = 8.0; // Blur Size, min=0., max=100.\nuniform int NUM_SAMPLES = 6; // No. Samples, min=1; max=20.\nuniform bool perpixel_size = false; // Modulate (Modulate the blur size by multiplying it by the first channel of the Modulate input)\nconst float blur_factor = 0.25; // factor on the blur size (empirical)\n\nconst vec2 iRenderScale = vec2(1.,1.);\n\n//note: uniform pdf rand [0;1[\nfloat hash12n(vec2 p)\n{\n\tp  = fract(p * vec2(5.3987, 5.4421));\n    p += dot(p.yx, p.xy + vec2(21.5351, 14.3137));\n\treturn fract(p.x * p.y * 95.4307);\n}\n\n\nvoid mainImage( out vec4 fragColor, in vec2 fragCoord )\n{\n    vec2 uv = fragCoord / iResolution.xy;\n\n    float blur_r = blurdist_px * iRenderScale.x * blur_factor;\n    blur_r *= 2.0; //empiric constant...\n    if (perpixel_size) {\n        blur_r *= texture2D(iChannel1, (fragCoord.xy-iChannelOffset[1].xy)/iChannelResolution[1].xy).x;\n    }\n\n    float da = 6.283 / float(NUM_SAMPLES);\n    float a = 4.2 + da * hash12n(uv+fract(iGlobalTime));\n\n\n    vec3 sumcol = vec3(0.0);\n    for (int i=0;i<NUM_SAMPLES;++i)\n    {\n        vec2 ofs = vec2( cos(a), sin(a) ) / iResolution.xy * blur_r;\n        vec2 p = uv + ofs;\n       \tsumcol += texture2D(iChannel0, p, -10.0).rgb;\n        a += da;\n    }\n    sumcol /= float(NUM_SAMPLES);\n    sumcol = max( sumcol, 0.0 );\n\n    fragColor = vec4( sumcol, 1.0 );\n}\n")
        del param

    param = lastNode.getParam("mipmap0")
    if param is not None:
        param.set("linear")
        del param

    param = lastNode.getParam("wrap0")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel0")
    if param is not None:
        param.setValue("BufB")
        del param

    param = lastNode.getParam("mipmap1")
    if param is not None:
        param.set("linear")
        del param

    param = lastNode.getParam("wrap1")
    if param is not None:
        param.set("clamp")
        del param

    param = lastNode.getParam("inputLabel1")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("inputHint1")
    if param is not None:
        param.setValue("Image containing a factor to be applied to the Blur size in the first channel")
        del param

    param = lastNode.getParam("inputEnable2")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("inputEnable3")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("bbox")
    if param is not None:
        param.set("iChannel0")
        del param

    param = lastNode.getParam("NatronParamFormatChoice")
    if param is not None:
        param.set("PC_Video")
        del param

    param = lastNode.getParam("mouseParams")
    if param is not None:
        param.setValue(False)
        del param

    param = lastNode.getParam("paramCount")
    if param is not None:
        param.setValue(3, 0)
        del param

    param = lastNode.getParam("paramType0")
    if param is not None:
        param.set("float")
        del param

    param = lastNode.getParam("paramName0")
    if param is not None:
        param.setValue("blurdist_px")
        del param

    param = lastNode.getParam("paramLabel0")
    if param is not None:
        param.setValue("Blur Size")
        del param

    param = lastNode.getParam("paramDefaultFloat0")
    if param is not None:
        param.setValue(8, 0)
        del param

    param = lastNode.getParam("paramMinFloat0")
    if param is not None:
        param.setValue(0, 0)
        del param

    param = lastNode.getParam("paramMaxFloat0")
    if param is not None:
        param.setValue(100, 0)
        del param

    param = lastNode.getParam("paramType1")
    if param is not None:
        param.set("int")
        del param

    param = lastNode.getParam("paramName1")
    if param is not None:
        param.setValue("NUM_SAMPLES")
        del param

    param = lastNode.getParam("paramLabel1")
    if param is not None:
        param.setValue("No. Samples")
        del param

    param = lastNode.getParam("paramDefaultInt1")
    if param is not None:
        param.setValue(6, 0)
        del param

    param = lastNode.getParam("paramMinInt1")
    if param is not None:
        param.setValue(1, 0)
        del param

    param = lastNode.getParam("paramMaxInt1")
    if param is not None:
        param.setValue(20, 0)
        del param

    param = lastNode.getParam("paramType2")
    if param is not None:
        param.set("bool")
        del param

    param = lastNode.getParam("paramName2")
    if param is not None:
        param.setValue("perpixel_size")
        del param

    param = lastNode.getParam("paramLabel2")
    if param is not None:
        param.setValue("Modulate")
        del param

    param = lastNode.getParam("paramHint2")
    if param is not None:
        param.setValue("Modulate the blur size by multiplying it by the first channel of the Modulate input")
        del param

    del lastNode
    # End of node "Shadertoy1"

    # Start of node "Source"
    lastNode = app.createNode("fr.inria.built-in.Input", 1, group)
    lastNode.setScriptName("Source")
    lastNode.setLabel("Source")
    lastNode.setPosition(396, 89)
    lastNode.setSize(104, 30)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupSource = lastNode

    del lastNode
    # End of node "Source"

    # Start of node "Output1"
    lastNode = app.createNode("fr.inria.built-in.Output", 1, group)
    lastNode.setLabel("Output1")
    lastNode.setPosition(393, 609)
    lastNode.setSize(104, 30)
    lastNode.setColor(0.7, 0.7, 0.7)
    groupOutput1 = lastNode

    del lastNode
    # End of node "Output1"

    # Start of node "Modulate"
    lastNode = app.createNode("fr.inria.built-in.Input", 1, group)
    lastNode.setScriptName("Modulate")
    lastNode.setLabel("Modulate")
    lastNode.setPosition(189, 231)
    lastNode.setSize(104, 34)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupModulate = lastNode

    del lastNode
    # End of node "Modulate"

    # Now that all nodes are created we can connect them together, restore expressions
    groupBufA.connectInput(0, groupSource)
    groupBufA.connectInput(1, groupModulate)
    groupBufB.connectInput(0, groupBufA)
    groupBufB.connectInput(1, groupModulate)
    groupShadertoy1.connectInput(0, groupBufB)
    groupShadertoy1.connectInput(1, groupModulate)
    groupOutput1.connectInput(0, groupShadertoy1)

    param = groupBufA.getParam("paramValueFloat0")
    group.getParam("BufAparamValueFloat0").setAsAlias(param)
    del param
    param = groupBufA.getParam("paramValueInt1")
    group.getParam("BufAparamValueInt1").setAsAlias(param)
    del param
    param = groupBufA.getParam("paramValueBool2")
    group.getParam("BufAparamValueBool2").setAsAlias(param)
    del param
    param = groupBufB.getParam("paramValueFloat0")
    param.slaveTo(groupBufA.getParam("paramValueFloat0"), 0, 0)
    del param
    param = groupBufB.getParam("paramValueInt1")
    param.slaveTo(groupBufA.getParam("paramValueInt1"), 0, 0)
    del param
    param = groupBufB.getParam("paramValueBool2")
    param.slaveTo(groupBufA.getParam("paramValueBool2"), 0, 0)
    del param
    param = groupShadertoy1.getParam("paramValueFloat0")
    param.slaveTo(groupBufA.getParam("paramValueFloat0"), 0, 0)
    del param
    param = groupShadertoy1.getParam("paramValueInt1")
    param.slaveTo(groupBufA.getParam("paramValueInt1"), 0, 0)
    del param
    param = groupShadertoy1.getParam("paramValueBool2")
    param.slaveTo(groupBufA.getParam("paramValueBool2"), 0, 0)
    del param

    try:
        extModule = sys.modules["BokehCircular_GLExt"]
    except KeyError:
        extModule = None
    if extModule is not None and hasattr(extModule ,"createInstanceExt") and hasattr(extModule.createInstanceExt,"__call__"):
        extModule.createInstanceExt(app,group)