FXAA_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 FXAA_GLExt.py
# See http://natron.readthedocs.org/en/master/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 FXAA_GLExt import *
except ImportError:
    pass

def getPluginID():
    return "natron.community.plugins.FXAA_GL"

def getLabel():
    return "FXAA_GL"

def getVersion():
    return 1

def getIconPath():
    return "FXAA_GL.png"

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

def getPluginDescription():
    return "GPU accelerated FX antialiasing effect based on Shadertoy."

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, 0.2353, 0.2353)

    # Create the user parameters
    lastNode.Controls = lastNode.createPageParam("Controls", "Controls")
    param = lastNode.createStringParam("separator01", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator01 = param
    del param

    param = lastNode.createStringParam("separator02", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator02 = param
    del param

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

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

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

    param = lastNode.createStringParam("separator03", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator03 = param
    del param

    param = lastNode.createStringParam("separator04", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator04 = param
    del param

    param = lastNode.createStringParam("separator05", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator05 = param
    del param

    param = lastNode.createSeparatorParam("line08", "")

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setPersistent(False)
    param.setEvaluateOnChange(False)
    lastNode.line08 = param
    del param

    param = lastNode.createStringParam("separator29", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator29 = param
    del param

    param = lastNode.createStringParam("separator30", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator30 = param
    del param

    lastNode.Credits = lastNode.createPageParam("Credits", "Credits")
    param = lastNode.createStringParam("separator19", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator19 = param
    del param

    param = lastNode.createStringParam("separator20", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator20 = param
    del param

    param = lastNode.createSeparatorParam("line02", "FXAA_GL v1.0")

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setPersistent(False)
    param.setEvaluateOnChange(False)
    lastNode.line02 = param
    del param

    param = lastNode.createStringParam("separator21", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator21 = param
    del param

    param = lastNode.createStringParam("separator22", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator22 = param
    del param

    param = lastNode.createSeparatorParam("line03", "")

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setPersistent(False)
    param.setEvaluateOnChange(False)
    lastNode.line03 = param
    del param

    param = lastNode.createStringParam("separator23", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator23 = param
    del param

    param = lastNode.createStringParam("separator24", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator24 = param
    del param

    param = lastNode.createSeparatorParam("FR", "ShaderToy 0.8.8")

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

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

    param = lastNode.createStringParam("separator25", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator25 = param
    del param

    param = lastNode.createStringParam("separator26", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator26 = param
    del param

    param = lastNode.createSeparatorParam("conversion", " (Fabrice Fernandez - 2017)")

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

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

    param = lastNode.createStringParam("separator27", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator27 = param
    del param

    param = lastNode.createStringParam("separator28", "")
    param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)

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

    # Set param properties
    param.setHelp("")
    param.setAddNewLine(True)
    param.setEvaluateOnChange(False)
    param.setAnimationEnabled(False)
    lastNode.separator28 = param
    del param

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

    # Start of node "Output2"
    lastNode = app.createNode("fr.inria.built-in.Output", 1, group)
    lastNode.setLabel("Output2")
    lastNode.setPosition(3817, 4199)
    lastNode.setSize(80, 43)
    lastNode.setColor(0.7, 0.7, 0.7)
    groupOutput2 = lastNode

    del lastNode
    # End of node "Output2"

    # Start of node "Source"
    lastNode = app.createNode("fr.inria.built-in.Input", 1, group)
    lastNode.setScriptName("Source")
    lastNode.setLabel("Source")
    lastNode.setPosition(3817, 3946)
    lastNode.setSize(80, 43)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupSource = lastNode

    del lastNode
    # End of node "Source"

    # Start of node "Shadertoy"
    lastNode = app.createNode("net.sf.openfx.Shadertoy", 1, group)
    lastNode.setScriptName("Shadertoy")
    lastNode.setLabel("Shadertoy")
    lastNode.setPosition(3817, 4076)
    lastNode.setSize(80, 44)
    lastNode.setColor(0.3, 0.5, 0.2)
    groupShadertoy = lastNode

    param = lastNode.getParam("imageShaderPreset")
    if param is not None:
        param.set("Effect/FXAA")
        del param

    param = lastNode.getParam("imageShaderSource")
    if param is not None:
        param.setValue("//                                                \n//                                                  \n//                          MMMMMMMMMMMMMMMMMMMMMMMMMMMM                                        \n//                        MM.                          .MM                                \n//                       MM.  .MMMMMMMMMMMMMMMMMMMMMM.  .MM                  \n//                      MM.  .MMMMMMMMMMMMMMMMMMMMMMMM.  .MM     \n//                     MM.  .MMMM        MMMMMMM    MMM.  .MM\n//                    MM.  .MMM           MMMMMM     MMM.  .MM\n//                   MM.  .MmM              MMMM      MMM.  .MM\n//                  MM.  .MMM                 MM       MMM.  .MM\n//                 MM.  .MMM                   M        MMM.  .MM\n//                MM.  .MMM                              MMM.  .MM\n//                 MM.  .MMM                            MMM.  .MM\n//                  MM.  .MMM       M                  MMM.  .MM\n//                   MM.  .MMM      MM                MMM.  .MM\n//                    MM.  .MMM     MMM              MMM.  .MM  \n//                     MM.  .MMM    MMMM            MMM.  .MM    \n//                      MM.  .MMMMMMMMMMMMMMMMMMMMMMMM.  .MM      \n//                       MM.  .MMMMMMMMMMMMMMMMMMMMMM.  .MM            \n//                        MM.                          .MM                 \n//                          MMMMMMMMMMMMMMMMMMMMMMMMMMMM                                                      \n//                                                                \n//\n//\n//\n//\n//\n//\n//\n/*\nBasic FXAA implementation based on the code on geeks3d.com with the\nmodification that the texture2DLod stuff was removed since it\'s\nunsupported by WebGL.\n--\nFrom:\nhttps://github.com/mitsuhiko/webgl-meincraft\nCopyright (c) 2011 by Armin Ronacher.\nSome rights reserved.\nRedistribution and use in source and binary forms, with or without\nmodification, are permitted provided that the following conditions are\nmet:\n    * Redistributions of source code must retain the above copyright\n      notice, this list of conditions and the following disclaimer.\n    * Redistributions in binary form must reproduce the above\n      copyright notice, this list of conditions and the following\n      disclaimer in the documentation and/or other materials provided\n      with the distribution.\n    * The names of the contributors may not be used to endorse or\n      promote products derived from this software without specific\n      prior written permission.\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\nLIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\nA PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\nOWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\nSPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\nLIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\nDATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\nTHEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\nOF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n*/\n\n#ifndef FXAA_REDUCE_MIN\n    #define FXAA_REDUCE_MIN   (1.0/ 128.0)\n#endif\n#ifndef FXAA_REDUCE_MUL\n    #define FXAA_REDUCE_MUL   (1.0 / 8.0)\n#endif\n#ifndef FXAA_SPAN_MAX\n    #define FXAA_SPAN_MAX     8.0\n#endif\n\n//optimized version for mobile, where dependent \n//texture reads can be a bottleneck\nvec4 fxaa(sampler2D tex, vec2 fragCoord, vec2 resolution,\n            vec2 v_rgbNW, vec2 v_rgbNE, \n            vec2 v_rgbSW, vec2 v_rgbSE, \n            vec2 v_rgbM) {\n    vec4 color;\n    mediump vec2 inverseVP = vec2(1.0 / resolution.x, 1.0 / resolution.y);\n    vec3 rgbNW = texture(tex, v_rgbNW).xyz;\n    vec3 rgbNE = texture(tex, v_rgbNE).xyz;\n    vec3 rgbSW = texture(tex, v_rgbSW).xyz;\n    vec3 rgbSE = texture(tex, v_rgbSE).xyz;\n    vec4 texColor = texture(tex, v_rgbM);\n    vec3 rgbM  = texColor.xyz;\n    vec3 luma = vec3(0.299, 0.587, 0.114);\n    float lumaNW = dot(rgbNW, luma);\n    float lumaNE = dot(rgbNE, luma);\n    float lumaSW = dot(rgbSW, luma);\n    float lumaSE = dot(rgbSE, luma);\n    float lumaM  = dot(rgbM,  luma);\n    float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n    float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n    \n    mediump vec2 dir;\n    dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\n    dir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));\n    \n    float dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) *\n                          (0.25 * FXAA_REDUCE_MUL), FXAA_REDUCE_MIN);\n    \n    float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n    dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX),\n              max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),\n              dir * rcpDirMin)) * inverseVP;\n    \n    vec3 rgbA = 0.5 * (\n        texture(tex, fragCoord * inverseVP + dir * (1.0 / 3.0 - 0.5)).xyz +\n        texture(tex, fragCoord * inverseVP + dir * (2.0 / 3.0 - 0.5)).xyz);\n    vec3 rgbB = rgbA * 0.5 + 0.25 * (\n        texture(tex, fragCoord * inverseVP + dir * -0.5).xyz +\n        texture(tex, fragCoord * inverseVP + dir * 0.5).xyz);\n\n    float lumaB = dot(rgbB, luma);\n    if ((lumaB < lumaMin) || (lumaB > lumaMax))\n        color = vec4(rgbA, texColor.a);\n    else\n        color = vec4(rgbB, texColor.a);\n    return color;\n}\n\nvoid texcoords(vec2 fragCoord, vec2 resolution,\n            out vec2 v_rgbNW, out vec2 v_rgbNE,\n            out vec2 v_rgbSW, out vec2 v_rgbSE,\n            out vec2 v_rgbM) {\n    vec2 inverseVP = 1.0 / resolution.xy;\n    v_rgbNW = (fragCoord + vec2(-1.0, -1.0)) * inverseVP;\n    v_rgbNE = (fragCoord + vec2(1.0, -1.0)) * inverseVP;\n    v_rgbSW = (fragCoord + vec2(-1.0, 1.0)) * inverseVP;\n    v_rgbSE = (fragCoord + vec2(1.0, 1.0)) * inverseVP;\n    v_rgbM = vec2(fragCoord * inverseVP);\n}\n\n\nvec4 apply(sampler2D tex, vec2 fragCoord, vec2 resolution) {\n    mediump vec2 v_rgbNW;\n    mediump vec2 v_rgbNE;\n    mediump vec2 v_rgbSW;\n    mediump vec2 v_rgbSE;\n    mediump vec2 v_rgbM;\n\n    //compute the texture coords\n    texcoords(fragCoord, resolution, v_rgbNW, v_rgbNE, v_rgbSW, v_rgbSE, v_rgbM);\n    \n    //compute FXAA\n    return fxaa(tex, fragCoord, resolution, v_rgbNW, v_rgbNE, v_rgbSW, v_rgbSE, v_rgbM);\n}\n\nvoid mainImage(out vec4 fragColor, in vec2 fragCoord) {\n    fragColor = apply(iChannel0, fragCoord, iResolution.xy);\n}\n")
        del param

    param = lastNode.getParam("inputEnable1")
    if param is not None:
        param.setValue(False)
        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("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

    del lastNode
    # End of node "Shadertoy"

    # Now that all nodes are created we can connect them together, restore expressions
    groupOutput2.connectInput(0, groupShadertoy)
    groupShadertoy.connectInput(0, groupSource)

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