Initial support for gamepads

Author: emutavchi

CMakeLists.txt

@@ -23,6 +23,7 @@ option(USE_BACKEND_WESTEROS_MESA "Whether to enable support for the gbm based of
 option(USE_INPUT_LIBINPUT "Whether to enable support for the libinput input backend" ON)
 option(USE_INPUT_UDEV "Whether to enable support for the libinput input udev lib" ON)
 option(USE_INPUT_WAYLAND "Whether to enable support for the wayland input backend" OFF)
+option(USE_GENERIC_GAMEPAD "Use generic gamepad implementation" OFF)
 
 find_package(WPE REQUIRED)
 find_package(EGL REQUIRED)
@@ -98,6 +99,11 @@ elseif (USE_VIRTUAL_KEYBOARD)
             )
 endif()
 
+if (USE_GENERIC_GAMEPAD)
+    include(src/gamepad/CMakeLists.txt)
+    include(src/gamepad_test/CMakeLists.txt)
+endif()
+
 if (USE_BACKEND_BCM_NEXUS)
     include(src/bcm-nexus/CMakeLists.txt)
 endif ()

src/gamepad/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_definitions(-DENABLE_GAMEPAD=1)
+
+list(APPEND WPE_PLATFORM_SOURCES
+    src/gamepad/linux_gamepad.cpp
+)

src/gamepad/interfaces.h

@@ -0,0 +1,36 @@
+/*
+ * If not stated otherwise in this file or this component's Licenses.txt file the
+ * following copyright and licenses apply:
+ *
+ * Copyright 2020 RDK Management
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef linux_gamepad_interfaces_h
+#define linux_gamepad_interfaces_h
+
+#include <wpe/wpe.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern struct wpe_gamepad_provider_interface gamepad_provider_interface;
+extern struct wpe_gamepad_interface gamepad_interface;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* linux_gamepad_interfaces_h */