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DirectXTex Environment Map command-line tool (texenvmap) #509

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walbourn opened this issue Sep 11, 2024 · 1 comment · May be fixed by #513
Open

DirectXTex Environment Map command-line tool (texenvmap) #509

walbourn opened this issue Sep 11, 2024 · 1 comment · May be fixed by #513
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tools Applies to texconv, texdiag, texassemble, etc.

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walbourn commented Sep 11, 2024 •
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The texassemble tool is designed to take inputs and produce various complex forms of DDS files including cubemaps. It can also convert cubemaps to various 'cross' form images.

The idea of a new texenvmap tool is to support generating environment maps (cubemaps, spherical env maps, dual-parabola env maps, and octaheadral maps) using Direct3D 11 render-to-texture based borrowing from the functionality in the legacy Direct3D9 ID3DXRenderToEnvMap. helper.

The MVP version should take six images and produce a cubemap or a spherical environment via equirectangular projection.
@walbourn walbourn added the tools Applies to texconv, texdiag, texassemble, etc. label Sep 11, 2024
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@walbourn walbourn self-assigned this Sep 11, 2024
@walbourn walbourn mentioned this issue Sep 11, 2024
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@walbourn walbourn changed the title texenvmap tool DirectXTex Environment Map command-line tool (texenvmap) Sep 11, 2024
@walbourn walbourn linked a pull request Sep 16, 2024 that will close this issue
DirectXTex Environment Map command-line tool (texenvmap) #513
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Here are a bunch of related links for research:

https://gamedev.stackexchange.com/questions/32415/how-do-i-convert-a-cube-map-to-an-equirectangular-projection

http://alexcpeterson.com/2015/08/25/converting-a-cube-map-to-a-sphericalequirectangular-map/

https://graphicsrunner.blogspot.com/2008/07/dual-paraboloid-reflections.html

https://cgvr.cs.uni-bremen.de/teaching/cg_literatur/Spherical,%20Cubic,%20and%20Parabolic%20Environment%20Mappings.pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7339655/

@walbourn walbourn pinned this issue Sep 24, 2024
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DirectXTex Environment Map command-line tool (texenvmap) microsoft/DirectXTex
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