docker: enabled gpu support

docker/Dockerfile

@@ -5,8 +5,9 @@ ARG TINI_VERSION='0.18.0'
 RUN apt-get update \
     && apt-get install -y \
         libgtk2.0-0 libcanberra-gtk-module libxext-dev libxrender-dev libxtst-dev libxslt-dev dmz-cursor-theme \
-        build-essential cmake git wget htop zip unzip nano \
+        build-essential cmake git \
-    && apt-get clean && rm -rf /var/lib/apt/lists/*
+        libglfw3-dev libassimp-dev libxinerama-dev libxcursor-dev mesa-utils mesa-utils-extra \
+        wget htop zip unzip nano
 
 ADD https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini /tini
 RUN chmod +x /tini

docker/ide.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 [ -n "$(which x11docker)" ] \
-    || { echo "x11docker is required"; exit 1; }
+    || { echo "x11docker is required https://github.com/mviereck/x11docker"; exit 1; }
 
 SCRIPT_DIR=$(dirname $(readlink -f "$0"))
 PROJECT_DIR=$(dirname ${SCRIPT_DIR})
@@ -15,7 +15,14 @@ IMAGE=learnopengl
 [ -n "$(docker images -q --filter=reference="${IMAGE}")" ] \
     || docker build -t ${IMAGE} ${SCRIPT_DIR}
 
-x11docker --hostdisplay --homedir ${HOME} --clipboard --stdout --stderr \
+echo "Info about --gpu https://github.com/mviereck/x11docker#dependencies"
+
+x11docker \
+    --gpu \
+    --hostdisplay \
+    --homedir ${HOME} \
+    --clipboard \
+    --stdout --stderr \
     --cap-default \
     --no-init \
     --workdir ${PROJECT_DIR} \