Add HAL for VR mode.
- Provide HAL for vendors to turn on VR-specific device performance
settings when we enter VR mode in VrManagerService.
Bug: 22855417
Change-Id: I3dee920818eb0988452bf5c25d1a31f11fde7339
diff --git a/modules/Android.mk b/modules/Android.mk
index a77188d..3dc4ca6 100644
--- a/modules/Android.mk
+++ b/modules/Android.mk
@@ -1,4 +1,4 @@
hardware_modules := gralloc hwcomposer audio nfc nfc-nci local_time \
power usbaudio audio_remote_submix camera usbcamera consumerir sensors vibrator \
- tv_input fingerprint input vehicle hardware_properties
+ tv_input fingerprint input vehicle hardware_properties vr
include $(call all-named-subdir-makefiles,$(hardware_modules))
diff --git a/modules/vr/Android.mk b/modules/vr/Android.mk
new file mode 100644
index 0000000..43c8e92
--- /dev/null
+++ b/modules/vr/Android.mk
@@ -0,0 +1,26 @@
+# Copyright (C) 2016 The Android Open Source Project
+#
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := vr.default
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := vr.c
+LOCAL_SHARED_LIBRARIES := libcutils
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS += -Wno-unused-parameter
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/modules/vr/vr.c b/modules/vr/vr.c
new file mode 100644
index 0000000..c5af593
--- /dev/null
+++ b/modules/vr/vr.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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.
+ */
+#define LOG_TAG "VrHal"
+
+#include <hardware/vr.h>
+#include <hardware/hardware.h>
+
+static void vr_init(struct vr_module *module) {
+ // NOOP
+}
+
+static void vr_set_vr_mode(struct vr_module *module, bool enabled) {
+ // NOOP
+}
+
+static struct hw_module_methods_t vr_module_methods = {
+ .open = NULL,
+};
+
+
+vr_module_t HAL_MODULE_INFO_SYM = {
+ .common = {
+ .tag = HARDWARE_MODULE_TAG,
+ .module_api_version = VR_MODULE_API_VERSION_1_0,
+ .hal_api_version = HARDWARE_HAL_API_VERSION,
+ .id = VR_HARDWARE_MODULE_ID,
+ .name = "Demo VR HAL",
+ .author = "The Android Open Source Project",
+ .methods = &vr_module_methods,
+ },
+
+ .init = vr_init,
+ .set_vr_mode = vr_set_vr_mode,
+};