OpenColorIO

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Question: how to avoid hardcoding expected colorspaces for typical e.g: srgb image formats

8

Maybe a silly question, but I've been wondering what's the expected behavior for a typical application that applies colorspace conversion to images that are "expected" to be in e.g: sRGB...

MrKepzie

Tetrahedral Lut3D CPU SIMD Optimizations

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I added SIMD optimizations to FFmpeg's lut3d filter a while ago and recently set up a small project to measure the performance of various tetrahedral Lut3D implementations with different compilers....

markreidvfx

Hi, Building on windows with mingw-w64 (using g++ version 10.2) currently fails because the function `_strtof_l` (used in `src/utils/NumberUtils.h`) is missing. Here is a possible patch to fix the issue....

agriggio

With tetrahedral interpolation, the gpu processor generates manual interpolation code in [Lut3DOpGPU.cpp](https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/main/src/OpenColorIO/ops/lut3d/Lut3DOpGPU.cpp#L63-L69) and specifies the use of `GL_NEAREST`. However, the [SetTextureParameters](https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/main/src/libutils/oglapphelpers/glsl.cpp#L62-L71) function used by `ociodisplay` still sets the texture to...

num3ric

We are investigating a performance issue in Nuke Studio when moving from OCIO v1.1.1 to OCIO v2.1.2. The use case was to play back a 4K EXR sequence at 60fps...

luanbach-fn

python tests fail because failed GIL interaction

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Tested with 2.3.0 and 2.3.1 on gentoo using python-3.11 and python-3.12. Running `ctest -R test_python` fails with: ``` test_apply (CPUProcessorTest.CPUProcessorTest.test_apply) ... pybind11::handle::inc_ref() is being called while the GIL is either...

negril

minizip seems to be changing to a hex number for MZ_VERSION_BUILD

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This hasn't been released yet but: https://github.com/zlib-ng/minizip-ng/commit/a7d612adf210353ba0391e20d1d1abbb72d1ad83 https://github.com/zlib-ng/minizip-ng/issues/758

opoplawski

Add support for RGBA format in GpuShaderCreator for better Metal support?

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Hi everyone, Only single channel and RGB texture formats are currently supported in `GpuShaderCreator::TextureType.` However, it appears that Apple does not support simple RGB format textures in Metal. Please refer...

wRosie

Fix linking when building fully shared with the dependencies also build as shared libraries

1

I'd suggest to fix the linking to ensure OpenColorIO can be build with its own requirements build as shared libraries. Currently it will throw linker errors when linking all the...

irieger

Unit Test Documentation Update and Typo (issue 1868)

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JaydenShel