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[hdEmbree] Add utilities for processing ies light files (hdEmbree-UsdLux-PR15) #3192

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[hdEmbree] Add utilities for processing ies light files (hdEmbree-UsdLux-PR15) #3192

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Commits on Oct 18, 2024

  1. [hdEmbree][build_usd] add to build_usd.py status message

    @pmolodo
    pmolodo committed Oct 18, 2024
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Commits on Oct 22, 2024

  1. [work] fix docs for Work_NormalizeThreadCount

    @pmolodo
    pmolodo committed Oct 22, 2024
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Commits on Oct 23, 2024

  1. [hdEmbree] ensure we respect PXR_WORK_THREAD_LIMIT

    @pmolodo
    pmolodo committed Oct 23, 2024
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  2. [hdEmbree] Initial UsdLux reference implementation 

    This modifies the hdEmbree example plugin to do direct lighting so as to
provide a reference implementation of the expected behaviour for UsdLux.

If no lights are present in the stage, the old ambient occlusion path
will be used.
    @anderslanglands @pmolodo
    anderslanglands authored and pmolodo committed Oct 23, 2024
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  3. [hdEmbree] add HDEMBREE_LIGHT_CREATE debug code

    @pmolodo
    pmolodo committed Oct 23, 2024
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  4. [hdEmbree] add support for lighting double-sided meshes

    @pmolodo
    pmolodo committed Oct 23, 2024
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  5. [hdEmbree] add support for inputs:diffuse

    @pmolodo
    pmolodo committed Oct 23, 2024
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  6. [hdEmbree] add light texture support

    @pmolodo
    pmolodo committed Oct 23, 2024
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  7. [hdEmbree] add dome light suppport

    @pmolodo
    pmolodo committed Oct 23, 2024
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  8. [hdEmbree] add direct camera visibility support for rect lights

    @pmolodo
    pmolodo committed Oct 23, 2024
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  9. [hdEmbree] add pxrPbrt/pbrUtils.h 

    A few small utility functions from pbrt-v4
    @pmolodo
    pmolodo committed Oct 23, 2024
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  10. [hdEmbree] add distant light support

    @pmolodo
    pmolodo committed Oct 23, 2024
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  11. [hdEmbree] ies.h / ies.cpp: add unaltered 

    These are taken unaltered from cycles, v4.1.1

- https://projects.blender.org/blender/cycles/src/tag/v4.1.1/src/util/ies.h
- https://projects.blender.org/blender/cycles/src/tag/v4.1.1/src/util/ies.cpp

These are not yet built / used, but merely introduce the files for use
in the codebase later.
    @pmolodo
    pmolodo committed Oct 23, 2024
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  12. [hdEmbree] ies.h / ies.cpp: patch, and add pxr-IES.patch and README.md

    @pmolodo
    pmolodo committed Oct 23, 2024
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