OpenColorIO

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Getting NaNs out of CPU processor

4

Hello, I'm getting a really weird issue on a Windows machine that I can't reproduce on other machines or Linux. The following snippet of code produces nans which is causing...

fannychaleon-fn

Python module install path wrong on MinGW

2

MinGW (at least the MSYS2 one) Python is a bit special and also uses the regular Unix location, so [the condition should probably be `if(WIN32 AND NOT MINGW)`](https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/cac1ba5feffa8a59ddd072f4fd8db62c795acf64/src/bindings/python/CMakeLists.txt#L230). Even better...

kmilos

Let OCIO CMake support add_subdirectory for git submodule

1

Hi And many thanks for your wonderful library. It could be pleasant for git based application hosting OCIO library to benefit of submodule git feature. This allowing OCIO library source...

Qlex42

Getting to CIE based Colorimetry is Overly Complicated

2

Can we please, please, please provide utilities to go directly to CIE based colourimetry? None of the nonsense present at the SIGGRAPH 2022 discussion is valid to support routing through...

sobotka

Negative input values resulting in unexpected output values on some CPUs

11

I've been investigating a report of negative input values resulting in unexpected output values on some CPUs. We have been able to reproduce the issue on one of our Windows...

mjtitchener-fn

Blender: Error using OCIO with AgX Color Space on Apple Silicon

6

Below I have renders in all 11 Look options for the EaryChow fork of AgX. It seems that Very High Contrast, High Contrast, Medium High Contrast, Medium Low Contrast, Low...

berenyiaustin

When generating OSL some secondary functions are introduced which don't seem to be considered when setting the option to try and generate unique function names. The following is an example...

kwokcb

Allow FileTransforms from ICC profile to not clamp

1

In some cases I need to have some form of interop with ICC profiles. I'm currently creating a FileTransform with the ICC profile and adding it as a scene referred...

SRHMorris

Regression: Excessive precision loss in NVIDIA Cg shaders

1

Certain operations in the shader generation do not account for the use of `half` in the NVIDIA Cg shading language. Excerpt of a NVIDIA Cg shader generated with OpenColorIO 1.1.1:...

christianaguilera-foundry

OCIO already has a set of [Optimization Flags](https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/0c90ded16687b1b63f3e24ef417789c89b1dc509/include/OpenColorIO/OpenColorTypes.h#L567) that may be controlled by an environment variable. It would be nice to have a flag to disable the use of the...

doug-walker