https://bugs.freedesktop.org/show_bug.cgi?id=100854
Bug ID: 100854
Summary: YUV to RGB Color Space Conversion result is not
precise
Product: Mesa
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: glsl-compiler
Assignee: mesa-dev@lists.freedesktop.org
Reporter: johnson....@intel.com
QA Contact: intel-3d-b...@lists.freedesktop.org
Use Y value 0x42, Cb Value 0x65, Cr Value 0x5E
The resulted RGB value should be 0x04, 0x60, 0x04, which is according to
https://en.wikipedia.org/wiki/YCbCr
But Shader CSC result is 0x05, 0x60, 0x05.
In some situation, it has a bit difference with what is precise
Seems the matrix it is using has some problem
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