venus: support more extensions for layering
Below extensions support are added:
- VK_EXT_load_store_op_none
- VK_EXT_rasterization_order_attachment_access
Tests:
- dEQP-VK.*.load_store_op_none.*
- dEQP-VK.rasterization.rasterization_order_attachment_access.*
- Unnecessary barriers and subpass dependencies are gone with ANGLE
Related MRs:
- renderer: virgl/virglrenderer!1073 (merged)
- protocol: virgl/venus-protocol!67 (merged)
Edited by Yiwei Zhang