Add unit test of sRGB.
Update helper functions to accomodate uchar4 and float4.
Change-Id: Ib604cf603ab63b908130ef1c562c53d42328bacf
[ROCm/hip-tests commit: 30fcb99268]
- Port image tests to catch2.
- Disable 3D filter test for gfx9a.
- Some other improvement
- Temporarily disable linear filter tests on Windows
Change-Id: Ieeddac9f8c50aa9b6b12ca9d8fd792a51973b8ca
[ROCm/hip-tests commit: 0fc518d281]