VR: Create VR implementation for HWC HIDL interface (51a0a563) · Commits · e / os / platform_frameworks_native

services/vr/Android.bp

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		subdirs = [
		"*",
		]

services/vr/vr_window_manager/Android.bp

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		subdirs = [
		"composer/1.0",
		]

		cc_library_shared {
		name: "libvrhwc",

		srcs: [
		"composer/impl/sync_timeline.cpp",
		"composer/impl/vr_hwc.cpp",
		"composer/impl/vr_composer_client.cpp",
		],

		static_libs: [
		"libhwcomposer-client",
		],

		shared_libs: [
		"android.dvr.composer@1.0",
		"android.hardware.graphics.composer@2.1",
		"libbase",
		"libcutils",
		"libfmq",
		"libhardware",
		"libhidlbase",
		"libhidltransport",
		"liblog",
		"libsync",
		"libui",
		"libutils",
		],

		// Access to software sync timeline.
		include_dirs: [ "system/core/libsync" ],

		cflags: [
		"-DLOG_TAG=\"vrhwc\"",
		],
		}

services/vr/vr_window_manager/composer/1.0/Android.bp

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		// This file is autogenerated by hidl-gen. Do not edit manually.

		genrule {
		name: "android.dvr.composer@1.0_genc++",
		tools: ["hidl-gen"],
		cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hardware:hardware/interfaces/ -randroid.dvr:frameworks/native/services/vr/vr_window_manager android.dvr.composer@1.0",
		srcs: [
		"IVrComposerClient.hal",
		],
		out: [
		"android/dvr/composer/1.0/VrComposerClientAll.cpp",
		],
		}

		genrule {
		name: "android.dvr.composer@1.0_genc++_headers",
		tools: ["hidl-gen"],
		cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hardware:hardware/interfaces/ -randroid.dvr:frameworks/native/services/vr/vr_window_manager android.dvr.composer@1.0",
		srcs: [
		"IVrComposerClient.hal",
		],
		out: [
		"android/dvr/composer/1.0/IVrComposerClient.h",
		"android/dvr/composer/1.0/IHwVrComposerClient.h",
		"android/dvr/composer/1.0/BnVrComposerClient.h",
		"android/dvr/composer/1.0/BpVrComposerClient.h",
		"android/dvr/composer/1.0/BsVrComposerClient.h",
		],
		}

		cc_library_shared {
		name: "android.dvr.composer@1.0",
		generated_sources: ["android.dvr.composer@1.0_genc++"],
		generated_headers: ["android.dvr.composer@1.0_genc++_headers"],
		export_generated_headers: ["android.dvr.composer@1.0_genc++_headers"],
		shared_libs: [
		"libhidlbase",
		"libhidltransport",
		"libhwbinder",
		"liblog",
		"libutils",
		"libcutils",
		"android.hardware.graphics.composer@2.1",
		"android.hidl.base@1.0",
		],
		export_shared_lib_headers: [
		"libhidlbase",
		"libhidltransport",
		"libhwbinder",
		"libutils",
		"android.hardware.graphics.composer@2.1",
		"android.hidl.base@1.0",
		],
		}

services/vr/vr_window_manager/composer/1.0/IVrComposerClient.hal

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		/*
		* 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.
		*/
		package android.dvr.composer@1.0;

		import android.hardware.graphics.composer@2.1::IComposerClient;

		interface IVrComposerClient
		extends android.hardware.graphics.composer@2.1::IComposerClient {
		/*
		* Used to annotate the layer with additional information, which will be
		* used to describe the content of the layer (ie: notification, permission,
		* etc) which allows VR window manager to treat certain layer types
		* specially.
		*
		* @param display is the display on which the layer was created.
		* @param layer is the layer affected by the change.
		* @param layer_type the type of the layer as described by the window
		* manager.
		* @param application_id the application id the layer belongs to.
		* @return error is NONE upon success. Otherwise,
		* BAD_DISPLAY when an invalid display handle was passed in.
		* BAD_LAYER when an invalid layer handle was passed in.
		*
		* setLayerInfo(Display display,
		* Layer layer,
		* uint32_t layer_type,
		* uint32_t application_id)
		* generates(Error error);
		*/

		enum VrCommand : int32_t {
		OPCODE_SHIFT = android.hardware.graphics.composer@2.1::IComposerClient.Command:OPCODE_SHIFT,

		SET_LAYER_INFO = 0x800 << OPCODE_SHIFT,
		};
		};

services/vr/vr_window_manager/composer/impl/sync_timeline.cpp

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		/*
		* Copyright 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.
		*/
		#include "composer/impl/sync_timeline.h"

		#include <sys/cdefs.h>
		#include <sw_sync.h>
		#include <unistd.h>

		namespace android {
		namespace dvr {

		SyncTimeline::SyncTimeline() {}

		SyncTimeline::~SyncTimeline() {}

		bool SyncTimeline::Initialize() {
		timeline_fd_.reset(sw_sync_timeline_create());
		return timeline_fd_ >= 0;
		}

		int SyncTimeline::CreateFence(int time) {
		return sw_sync_fence_create(timeline_fd_.get(), "dummy fence", time);
		}

		bool SyncTimeline::IncrementTimeline() {
		return sw_sync_timeline_inc(timeline_fd_.get(), 1) == 0;
		}

		} // namespace dvr
		} // namespace android