Update BUILDING.md
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@@ -396,9 +396,10 @@ filamesh ./assets/models/monkey/monkey.obj monkey.filamesh
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```
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Most samples accept an IBL that must be generated using the `cmgen` tool (`./tools/filamesh/cmgen`
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in your build directory). These sample apps expect a path to a directory containing the '.rgb32f'
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files for the IBL (which are PNGs containing `R11F_G11F_B10F` data). To generate an IBL simply use
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this command:
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in your build directory). These sample apps expect a path to a directory containing the `.rgb32f`
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files for the IBL (which are PNGs containing `R11F_G11F_B10F` data) or a path to a directory
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containing two `.ktx` files (one for the IBL itself, one for the skybox). To generate an IBL
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simply use this command:
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```
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cmgen -x ./ibls/ my_ibl.exr
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