[lmyllari]

Outstanding work! So, it sounds like all that's needed for a full solution is to detect whether the content is SD or HD and switch the coefficients appropriately...

Does the Intel driver detect content-type elsewhere?

Maybe this is a question to post in your bug report.

The Intel driver is already told the colorspace, it just doesn't use that information. It's all in the bug.

Only tricky part is to figure out how to change the shader to have parameters to receive the correct coefficients - and that's because I haven't written Intel shaders before. For the Intel devs that should be easy.