Use bayer directions rather than blue noise for screenspace shadows Use QuadRead to blur value acrosss waves, proper ordering for parameters of ScreenSpace::Trace https://files.facepunch.com/sam/1b1411b1/8ljWk6LsYF.png [Pick] Compile shaders with Vulkan 1.2 ( wave intrinsics support ) Microsoft/DirectXShaderCompiler/wiki/Wave-Intrinsics