qt-everywhere-src-5.15.1/qtquick3d/src/imports/effectlib/Fxaa.qml

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import QtQuick 2.15
import QtQuick3D 1.15
import QtQuick3D.Effects 1.15

Effect {
    readonly property TextureInput sprite: TextureInput {
        texture: Texture {}
    }

    Shader {
        id: rgbl
        stage: Shader.Fragment
        shader: "shaders/fxaaRgbl.frag"
    }
    Shader {
        id: blur
        stage: Shader.Fragment
        shader: "shaders/fxaaBlur.frag"
    }
    Buffer {
        id: rgblBuffer
        name: "rgbl_buffer"
        format: Buffer.RGBA8
        textureFilterOperation: Buffer.Linear
        textureCoordOperation: Buffer.ClampToEdge
        bufferFlags: Buffer.None // aka frame
    }

    passes: [
        Pass {
            shaders: rgbl
            output: rgblBuffer
        },
        Pass {
            shaders: blur
            commands: [ BufferInput {
                    buffer: rgblBuffer
                }, BufferInput {
                    param: "sprite"
                }
            ]
        }
    ]
}