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Support HDR (RGBE) image file format #29

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walbourn opened this issue Jul 6, 2016 · 2 comments
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Support HDR (RGBE) image file format #29

walbourn opened this issue Jul 6, 2016 · 2 comments
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walbourn commented Jul 6, 2016 •
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The old D3DX for Direct3D 9 library implemented a codec for .hdr (aka RGBE).

Currently the only built-in HDR format supported by WIC is HDPhoto (aka JPEG-XR). As such, there's currently few choices for a source format for BC6H textures.

  • LoadFromHDRMemory
  • LoadFromHDRFile
  • SaveToHDRMemory
  • SaveToHDRFile

This would include the 32-bit_rle_rgbe and 32-bit_rle_xyze encodings for lossless, rle (aka 'old format', and adaptive rle (aka 'new format').

D3DX9 would load 32-bit_rle_xyze color-space data, but didn't convert it to RGB. We will do the same thing here.
@walbourn walbourn changed the title Support HDR (RGBE) format Support HDR (RGBE) image file format Jul 6, 2016
@walbourn walbourn mentioned this issue Jul 6, 2016
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@walbourn walbourn self-assigned this Sep 11, 2016
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Support added.

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Updated texconv, texassemble, and uvatlas tool to support hdr.

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