From 5717f7fdedb200c00e2ce9020198738c20d46c62 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 13 Sep 2016 16:13:13 +0300
Subject: tests: Add flipping/rotation test with UDS

Insert a UDS in the pipeline to force image partitioning on Gen3
hardware and test all flipping and rotation combinations.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 tests/vsp-unit-test-0016.sh | 135 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100755 tests/vsp-unit-test-0016.sh

diff --git a/tests/vsp-unit-test-0016.sh b/tests/vsp-unit-test-0016.sh
new file mode 100755
index 0000000..f4a1508
--- /dev/null
+++ b/tests/vsp-unit-test-0016.sh
@@ -0,0 +1,135 @@
+#!/bin/sh
+
+#
+# Test all combinations of horizontal flip, vertical flip and rotation on WPF.0
+# with image partitioning by inserting a UDS in the pipeline.
+#
+
+source vsp-lib.sh
+
+features="rpf.0 uds wpf.0 wpf.0[control:'Vertical+Flip']"
+optional_features="wpf.0[control:'Horizontal+Flip'] wpf.0[control:'Rotate']"
+
+directions="horizontal vertical rotate"
+dir_horizontal_control="Horizontal+Flip"
+dir_horizontal_label="hflip"
+dir_horizontal_values="0 1"
+dir_vertical_control="Vertical+Flip"
+dir_vertical_label="vflip"
+dir_vertical_values="0 1"
+dir_rotate_control="Rotate"
+dir_rotate_label="rotate"
+dir_rotate_values="0 90"
+
+format="RGB24"
+
+get_var() {
+	echo $(eval echo \$dir_$1_$2)
+}
+
+set_var() {
+	eval dir_$1_$2=$3
+}
+
+get_array_value() {
+	local index=$2
+
+	echo $1 | cut -d ' ' -f $((index+1))
+}
+
+get_array_length() {
+	echo $#
+}
+
+dir_next_value() {
+	# Get the direction name corresponding to the index
+	local direction=$(get_array_value "$supported_directions" $1)
+
+	# Get the current value index and increase it
+	local value=$(get_var $direction index)
+	value=$((value+1))
+
+	# If the index exceeds the possible values array length, reset it to 0.
+	if [ $value -ge $(get_array_length $(get_var $direction values)) ] ; then
+		value=0
+	fi
+
+	# Update the current value index for the direction
+	set_var $direction index $value
+
+	# Return whether we have exceeded the maximum
+	[ $value != 0 ]
+}
+
+dir_set_flipping_control() {
+	local direction=$1
+
+	local index=$(get_var $direction index)
+	local control=$(get_var $direction control)
+	local values=$(get_var $direction values)
+	local value=$(get_array_value "$values" $index)
+
+	vsp1_set_control wpf.0 "$control" $value
+}
+
+test_flipping() {
+	local label=$1
+	local insize=$2
+	local outsize=$3
+
+	test_start "$label $insize -> $outsize"
+
+	pipe_configure rpf-uds
+	format_configure rpf-uds $format $insize $format $outsize
+
+	vsp_runner rpf.0 &
+	vsp_runner wpf.0
+
+	local result=$(compare_frames $label)
+
+	test_complete $result
+}
+
+test_main() {
+	local direction
+
+	for direction in $directions ; do
+		$(vsp1_has_feature "wpf.0[control:'$(get_var $direction control)']") && {
+			set_var $direction index 0
+			supported_directions="$supported_directions $direction"
+		}
+	done
+
+	local dir_max=$(get_array_length $supported_directions)
+	local dir_current=0
+
+	while true ; do
+		# Update all controls
+		local label=
+		for direction in $supported_directions ; do
+			local index=$(get_var $direction index)
+			local values=$(get_var $direction values)
+			local value=$(get_array_value "$values" $index)
+			label="$label $(get_var $direction label)=$value"
+			dir_set_flipping_control $direction
+		done
+
+		test_flipping "$label" 640x480 640x480
+		test_flipping "$label" 640x480 1024x768
+		test_flipping "$label" 1024x768 640x480
+
+		while [ $dir_current -lt $dir_max ] ; do
+			dir_next_value $dir_current && break
+			dir_current=$((dir_current+1))
+		done
+
+		if [ $dir_current -ge $dir_max ] ; then
+			break
+		fi
+
+		dir_current=0
+	done
+}
+
+test_init $0 "$features" "$optional_features"
+test_run
-- 
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