update readme

Dockerfile

@@ -41,8 +41,15 @@ RUN apt-get -y install fontconfig:i386
 # Enable Vulkan library.
 RUN apt-get -y install libvulkan1 libvulkan1:i386 vulkan-utils
 
+# Extra
 RUN apt-get -y install gosu
 
+# Install vkd3d (Direct3D 12 support) libs
+RUN echo 'APT::Default-Release "bionic";' | tee /etc/apt/apt.conf.d/01lock-release && \
+  echo 'deb http://archive.ubuntu.com/ubuntu/ disco main universe' | tee /etc/apt/sources.list.d/disco.list && \
+  apt-get update && \
+  apt-get -y -t disco install libvkd3d1 libvkd3d1:i386
+
 # Set locale to: en_US.UTF-8
 RUN apt-get -y install locales && \
     /bin/echo -e "en_US.UTF-8 UTF-8\nen_GB.UTF-8 UTF-8" | tee /etc/locale.gen && \

README.md

@@ -106,7 +106,7 @@ docker-compose run --rm steam --reset
 
 ## Vulkan / DXVK
 
-DXVK is a Vulkan-based compatibility layer for DirectX 11.
+DXVK is a Vulkan-based compatibility layer for Direct3D 11.
 
 It allows running 3D applications on Linux using Wine.