Add ROCm

Dockerfile

@@ -94,6 +94,15 @@ RUN apt-get -y install \
         x264 \
         x265
 
+# ROCm (AMD Radeon OpenCL)
+# The gdb packages is necessary for opencl to work (why?)
+COPY rocm.gpg /etc/apt/trusted.gpg.d/
+RUN echo 'deb http://repo.radeon.com/rocm/apt/debian/ xenial main' > /etc/apt/sources.list.d/rocm.list \
+    && apt-get update \
+    && apt-get -y install rocm-opencl rocm-gdb \
+    && rm /etc/OpenCL/vendors/amdocl64* \
+    && echo /opt/rocm-*/opencl/lib/libamdocl64.so > /etc/OpenCL/vendors/amdocl64.icd
+
 # models are at wrong location (whyever the package installs it there)
 RUN cp -r /usr/share/vapoursynth-waifu2x-models/ /usr/lib/x86_64-linux-gnu/vapoursynth/models/