pyrox.dev
[staging-next] mesa.llvmpipeHook: fix GLX, add GBM, add comments (#428569)
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pkgs/development/libraries/mesa/llvmpipe-hook.sh
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pkgs/development/libraries/mesa/llvmpipe-hook.sh
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# shellcheck shell=bash
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# Mesa: force software rendering
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# https://docs.mesa3d.org/envvars.html
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export LIBGL_ALWAYS_SOFTWARE=true
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export LIBGL_DRIVERS_PATH=@mesa@/lib/dri
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# GLX
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# glvnd just does dlopen("libGLX_%s.so"), so we have to resort to
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# LD_LIBRARY_PATH, which is bad but what can you do.
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# FIXME: maybe change glvnd to allow specifying this properly
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export LD_LIBRARY_PATH=@mesa@/lib:${LD_LIBRARY_PATH:-}
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export __GLX_VENDOR_LIBRARY_NAME=mesa
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# EGL
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# https://github.com/NVIDIA/libglvnd/blob/master/src/EGL/icd_enumeration.md
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export __EGL_VENDOR_LIBRARY_FILENAMES=@mesa@/share/glvnd/egl_vendor.d/50_mesa.json
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# GBM
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export GBM_BACKENDS_PATH=@mesa@/lib/gbm
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export GBM_BACKEND=dri
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# Vulkan
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# https://github.com/KhronosGroup/Vulkan-Loader/blob/main/docs/LoaderInterfaceArchitecture.md
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# glob because the filenames contain an architecture suffix
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# echo is needed to force-expand the glob