00a8d006fe
This port is not so straightforward. This shader is used in different configurations and is available to python bindings. So we need to keep compatibility with different attributes configurations. This is why attributes are loaded per component and a uniform sets the length of the component. Since this shader can be used from both the imm and batch API, we need to inject some workarounds to bind the buffers correctly. The end result is still less versatile than the previous metal workaround (i.e.: more attribute fetch mode supported), but it is also way less code. ### Limitations: The new shader has some limitation: - Both `color` and `pos` attributes need to be `F32`. - Each attribute needs to be 4byte aligned. - Fetch type needs to be `GPU_FETCH_FLOAT`. - Primitive type needs to be `GPU_PRIM_LINES`, `GPU_PRIM_LINE_STRIP` or `GPU_PRIM_LINE_LOOP`. - If drawing using an index buffer, it must contain no primitive restart. Rel #127493 Co-authored-by: Jeroen Bakker <jeroen@blender.org> Pull Request: https://projects.blender.org/blender/blender/pulls/129315
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