Even after the Adrenalin video driver update 19.12.1 the Vulkan API remains broken (the video driver is broken) with texture problems and OpenGL is VERY slow on Windows 10 v1903. This problem has existed since Adrenalin video driver version 18.2.1 (2018) and so far has not been fixed!
Recalling that NVIDIA drivers work very well on this issue as well as supporting the VK_EXT_fragment_shader_interlock and GL_ARB_fragment_shader_interlock extensions that AMD strongly refuses to deploy in its video drivers since the competition (NVIDIA, Intel) already has its own video drivers. and these extensions have already become a standard for graphics drivers. AMD refuses to listen to your community because I am not the only one complaining about these things I quoted.
I tested using the same version of the RPCS3 emulator and just changed the video drivers: