RADV

RADV is a Vulkan driver for AMD GCN/RDNA GPUs.

Debugging

For a list of environment variables to debug RADV, please see RADV driver environment variables for a list.

Instructions for debugging GPU hangs can be found here.

Hardware Documentation

You can find a list of documentation for the various generations of AMD hardware on the X.Org wiki.

Additional community-written documentation is also available in Mesa:

• Primitive Ordered Pixel Shading
  • Shader code
    • GFX9–10.3: Entering the ordered section in the wave
    • GFX11: Entering the ordered section in the wave
    • GFX9–10.3: Resolving intrawave collisions
    • GFX9–10.3: Exiting the ordered section in the wave
    • GFX11: Exiting the ordered section in the wave
    • Memory access requirements
    • Export requirements
  • Drawing context setup
    • Configuring POPS
    • Hardware bug workarounds
    • Out-of-order rasterization interaction
    • Variable-rate shading interaction
    • Additional configuration

ACO

ACO is the shader-compiler used in RADV. You read its documentation here.