| Hello, I am working at a set of Cocoa Wrappers for LCMS. I started some months ago with lcms2 2.1. Just updated to lcms2 2.4rc1. Nice. I see some matrix shader transform bugs where solved in the meantime. I have around 10 tests involving transformation from sRGB to LAB / XYZ / some other profile and back, with different bit depths and flags. All my tests, but one, run fine with 2.4rc1: 1) sRGB built-in V4.3 -> Lab identity built-in V4.3 Flags: "cmsFLAGS_NOCACHE", "cmsFLAGS_NOOPTIMIZE" Input format: TYPE_RGBA_FLT Output format: TYPE_LabA_FLT 2) and back Lab identity built-in V4.3 -> sRGB built-in V4.3 Flags: "cmsFLAGS_NOCACHE", "cmsFLAGS_NOOPTIMIZE" Input format: TYPE_LabA_FLT Output format: TYPE_RGBA_FLT 3) save resulting RGBA float image. The image is corrupted. Sample attached. Thx for this terrific library. Kind regards Mark |
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