nvk: VK_EXT_color_write_enable
A write mask based on the pipeline creation input is stored in scratch. Another
similar mask is also stored for the dynamic color_write_enable. These can then
be updated individually, and will be combined in MME macro before use.
Each attachment has a mask for rgba. The max number of attachments in 8 so
we can fit the write mask in a single 32bit scratch.
color_write_enable is a single bit per attachment. To make it easier to combine
in with the write mask it is stored in scratch with a separate rgba bits.
The layout of the both scratch values are:
Attachment index 88887777666655554444333322221111
Component abgrabgrabgrabgrabgrabgrabgrabgr
dEQP-VK.pipeline.monolithic.color_write_enable.*
Test run totals:
Passed: 576/576 (100.0%)
Failed: 0/576 (0.0%)
Not supported: 0/576 (0.0%)
Warnings: 0/576 (0.0%)
Waived: 0/576 (0.0%)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26211>
6 files changed
