{ "name": "invert", "node_position": { "x": 0, "y": 0 }, "parameters": { }, "shader_model": { "code": "", "global": "", "inputs": [ { "default": "vec4(1.0, 1.0, 1.0, 1.0)", "label": "", "longdesc": "The input image", "name": "in", "shortdesc": "Input", "type": "rgba" } ], "instance": "", "longdesc": "A filter that inverts the R, G, and B channels of its input while keeping the A channel unchanged", "name": "Invert", "outputs": [ { "longdesc": "Shows the inverted image", "rgba": "vec4(vec3(1.0)-$in($uv).rgb, $in($uv).a)", "shortdesc": "Output", "type": "rgba" } ], "parameters": [ ], "shortdesc": "Invert filter" }, "type": "shader" }