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Shader nodes have an opengl implementation #2

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emil-dietrich opened this issue Nov 1, 2023 · 0 comments
Open

Shader nodes have an opengl implementation #2

emil-dietrich opened this issue Nov 1, 2023 · 0 comments

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@emil-dietrich
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emil-dietrich commented Nov 1, 2023

Your readme states shader nodes are written in osl, but they are also implemented in opengl, because Eevee is evaluated on the Gpu.

Heres one node impl: https://github.com/blender/blender/blob/01a2bd03695f217616acc2581fe8746f5cd226d7/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl

For a list of Cycles nodes not supported by Eevee: https://docs.blender.org/manual/en/dev/render/eevee/materials/nodes_support.html (at the bottom Other Nodes)
For the rest there is an opengl implementation.

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