• Unity

  • Shadergraph Compatibility

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  • ara

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    Hi, I'm currently working on an URP spine project with URP Shaders UPM package.
    Is it possible to change spine URP shader to a shadergraph version?
    (As we could add some final effect with graph node)

    As far as I'm concerned, maybe I should use custom function node?
    However I'm not sure which function in which .cginc/.hlsl should be chosen. :think:

    I'm afraid this will not easily be possible, as the Spine shaders are not surface shaders but full shaders with vertex and fragment shader stages. So depending on what you want to achieve, when you are already extending the shader, it might be easier to create a new graph with the lighting/etc nodes that you want. Spine's input only differs by using premultiplied-alpha by default, so you might want to set blend mode to One OneMinusSrcAlpha as in the shader, or switch your Spine workflow to straight alpha.

    We might add some shadergraph versions of Spine shaders in the future, but I'm afraid this will take some time until we get to implement this feature.

    Harald a écrit

    I'm afraid this will not easily be possible, as the Spine shaders are not surface shaders but full shaders with vertex and fragment shader stages. So depending on what you want to achieve, when you are already extending the shader, it might be easier to create a new graph with the lighting/etc nodes that you want. Spine's input only differs by using premultiplied-alpha by default, so you might want to set blend mode to One OneMinusSrcAlpha as in the shader, or switch your Spine workflow to straight alpha.

    We might add some shadergraph versions of Spine shaders in the future, but I'm afraid this will take some time until we get to implement this feature.

    Thanks for your answer Harald!
    We're already using straight alpha workflow, so it might be easier to achieve if we don't need PMA.
    I see the vertex/frag functions(VertexSprite/FragmentSprite).I'll try to take advantage of them.

    ara a écrit

    I see the vertex/frag functions(VertexSprite/FragmentSprite).I'll try to take advantage of them.

    Please note that you might need to set (or expose) the desired shader defines (everything set in shader_feature or multi_compile) to achieve the same behaviour.