tu: Implement VK_KHR_shader_clock
There is a special address defined in kernel from which ALWAYSON
counter could be read.
Blob uses this sequence to read it:
getone #l15
mov.s32s32 r2.y, -4096
mov.s32s32 r2.z, 131071
(rpt5)nop
ldg.u32 r2.w, g[r2.y], 1
ldg.u32 r2.y, g[r2.y+4], 1
(sy)(ss)mov.s32s32 r48.x, (last)r2.w
mov.s32s32 r48.y, (last)r2.y
l15:
Passes:
dEQP-VK.glsl.shader_clock.*
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29860>
3 files changed
