Skip to content
GitLab

turnip: Implement VK_ARM_rasterization_order_attachment_access

Merged Danylo Piliaiev requested to merge Danil/mesa:feature/turnip/VK_ARM_rasterization_order_attachment_access into main

Trivially implemented by using A6XX_GRAS_SC_CNTL_SINGLE_PRIM_MODE.

Depth/stencil feedback loops require late Z since with early Z we may read the value written by the current shader.

This extension is useful for emulators e.g. AetherSX2 PS2 emulator and could drastically improve performance when blending is emulated.

Relevant tests:

dEQP-VK.rasterization.rasterization_order_attachment_access.*

Also I forced gmem mode when feedback loops are present to increase the perf.

Edited by Danylo Piliaiev