ci: run tests with all backends

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

tests/run_one_test.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -xe
 if [ -z $DISPLAY ]; then
 	exec xvfb-run -s "+extension composite" -a $0 $1 $2 $3
@@ -6,14 +6,25 @@ fi
 
 echo "Running test $2"
 
-# TODO keep the log file, and parse it to see if test is successful
-($1 --dbus --backend dummy --log-level=debug --log-file=$PWD/log --config=$2) &
-main_pid=$!
-$3
+picom_exe=$1
+config=$2
+test_script=$3
 
-kill -INT $main_pid || true
-cat log
-rm log
-wait $main_pid
+function test_with_backend() {
+	backend=$1
+	# TODO keep the log file, and parse it to see if test is successful
+	($picom_exe --dbus --backend $backend --log-level=debug --log-file=$PWD/log --config=$config) &
+	main_pid=$!
+	$test_script
 
+	kill -INT $main_pid || true
+	cat log
+	rm log
+	wait $main_pid
+}
+
+test_with_backend dummy
+test_with_backend xrender
+test_with_backend glx
+# test_with_backend egl