f76ceddc98
On some platforms `VK_FORMAT_R8G8B8_*` are not supported as vertex buffers. The obvious workaround for this is to use `VK_FORMAT_R8G8B8A8_*`. Using unsupported vertex formats would crash Blender as it is not able to compile the graphics pipelines that use them. Known platforms are: - NVIDIA Mobile GPUs (Quadro M1000M) - AMD Polaris (open source drivers) This PR adds the initial workings for other unsupported vertex buffer formats we need to fix in the future. `VKDevice.workarounds.vertex_formats` contain booleans if the workaround for a specific format should be turned on (`r8g8b8 = true`). `VertexFormatConverter` can be used to identify if conversions are needed and perform the conversion. Pull Request: https://projects.blender.org/blender/blender/pulls/114572
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