After the OSL code is compiled successfully, the shader’s input parameters can be accessed in the OSL Attributes section below the code:.You can read the error message in the Maya output window, or in the Maya Script Editor, Correct the code and press Compile OSL Code again. The code may contain errors, in that case you will see a red Compile Failure message:.I f you’ve written new code, or changed the code it will have to be re-compiled.When new shader code is imported, it’s automatically compiled:.Select the new aiOslShader node and in its attributes either write new OSL code in the code OSL Code section, or press Import to Load an OSL shader file (*.osl):.Writing an OSL shader or loading it for single use (just the current project):
Steps for using OSL shaders in Maya & Arnold: You can both load or write OSL shaders on the fly, compile, test, and render them,Īnd also define a shader folder path for shaders to be available as part of your library for all projects. Autodesk Maya 2020 & Arnold 6 offer a flexible OSL development and usage workflow.
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