VKD3D_DEBUG
Sets vkd3d-proton's log level, for example VKD3D_DEBUG=warn or none.
VKD3D_CONFIG
PROTON_LOG
VKD3D_LOG_FILE
PROTON_ENABLE_NVAPI
PROTON_HIDE_NVIDIA_GPU
VKD3D_FEATURE_LEVEL
VKD3D_SHADER_DEBUG
VK_INSTANCE_LAYERS
WINEDEBUG
DXVK_ENABLE_NVAPI
DXVK_DEBUG
DXVK_LOG_LEVEL