Merge changes Ibba49951,I106f1f33 into pi-dev

#ifndef ANDROID_DVR_NATIVE_BUFFER_H_

#define ANDROID_DVR_NATIVE_BUFFER_H_

#include <EGL/egl.h>

#include <EGL/eglext.h>

#include <log/log.h>

#include <ui/ANativeObjectBase.h>

#include <utils/RefBase.h>

#include <nativebase/nativebase.h>

#include <private/dvr/buffer_hub_client.h>

namespace android {

namespace dvr {

// ANativeWindowBuffer is the abstraction Android HALs and frameworks use to

// pass around hardware graphics buffers. The following classes implement this

// abstraction with different DVR backing buffers, all of which provide

// different semantics on top of ion/gralloc buffers.

// An implementation of ANativeWindowBuffer backed by an IonBuffer.

class NativeBuffer

    : public android::ANativeObjectBase<ANativeWindowBuffer, NativeBuffer,

                                        android::LightRefBase<NativeBuffer>> {

 public:

  static constexpr int kEmptyFence = -1;

  explicit NativeBuffer(const std::shared_ptr<IonBuffer>& buffer)

      : BASE(), buffer_(buffer), fence_(kEmptyFence) {

    ANativeWindowBuffer::width = buffer->width();

    ANativeWindowBuffer::height = buffer->height();

    ANativeWindowBuffer::stride = buffer->stride();

    ANativeWindowBuffer::format = buffer->format();

    ANativeWindowBuffer::usage = buffer->usage();

    handle = buffer_->handle();

  }

  virtual ~NativeBuffer() {}

  std::shared_ptr<IonBuffer> buffer() { return buffer_; }

  int fence() const { return fence_.Get(); }

  void SetFence(int fence) { fence_.Reset(fence); }

 private:

  friend class android::LightRefBase<NativeBuffer>;

  std::shared_ptr<IonBuffer> buffer_;

  pdx::LocalHandle fence_;

  NativeBuffer(const NativeBuffer&) = delete;

  void operator=(NativeBuffer&) = delete;

};

class NativeBufferProducer : public android::ANativeObjectBase<

                                 ANativeWindowBuffer, NativeBufferProducer,

                                 android::LightRefBase<NativeBufferProducer>> {

 public:

  static constexpr int kEmptyFence = -1;

  NativeBufferProducer(const std::shared_ptr<BufferProducer>& buffer,

                       EGLDisplay display, uint32_t surface_buffer_index)

      : BASE(),

        buffer_(buffer),

        surface_buffer_index_(surface_buffer_index),

        display_(display) {

    ANativeWindowBuffer::width = buffer_->width();

    ANativeWindowBuffer::height = buffer_->height();

    ANativeWindowBuffer::stride = buffer_->stride();

    ANativeWindowBuffer::format = buffer_->format();

    ANativeWindowBuffer::usage = buffer_->usage();

    ANativeWindowBuffer::handle = buffer_->native_handle();

    if (display_) {

      image_khr_ =

          eglCreateImageKHR(display_, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,

                            static_cast<ANativeWindowBuffer*>(this), nullptr);

    } else {

      image_khr_ = EGL_NO_IMAGE_KHR;

    }

  }

  explicit NativeBufferProducer(const std::shared_ptr<BufferProducer>& buffer)

      : NativeBufferProducer(buffer, nullptr, 0) {}

  virtual ~NativeBufferProducer() {

    if (image_khr_ != EGL_NO_IMAGE_KHR)

      eglDestroyImageKHR(display_, image_khr_);

  }

  EGLImageKHR image_khr() const { return image_khr_; }

  std::shared_ptr<BufferProducer> buffer() const { return buffer_; }

  int release_fence() const { return release_fence_.Get(); }

  uint32_t surface_buffer_index() const { return surface_buffer_index_; }

  // Return the release fence, passing ownership to the caller.

  pdx::LocalHandle ClaimReleaseFence() { return std::move(release_fence_); }

  // Post the buffer consumer, closing the acquire and release fences.

  int Post(int acquire_fence, uint64_t sequence) {

    release_fence_.Close();

    return buffer_->Post(pdx::LocalHandle(acquire_fence), sequence);

  }

  // Gain the buffer producer, closing the previous release fence if valid.

  int Gain() { return buffer_->Gain(&release_fence_); }

  // Asynchronously gain the buffer, closing the previous release fence.

  int GainAsync() {

    release_fence_.Close();

    return buffer_->GainAsync();

  }

 private:

  friend class android::LightRefBase<NativeBufferProducer>;

  std::shared_ptr<BufferProducer> buffer_;

  pdx::LocalHandle release_fence_;

  EGLImageKHR image_khr_;

  uint32_t surface_buffer_index_;

  EGLDisplay display_;

  NativeBufferProducer(const NativeBufferProducer&) = delete;

  void operator=(NativeBufferProducer&) = delete;

};

// NativeBufferConsumer is an implementation of ANativeWindowBuffer backed by a

// BufferConsumer.

class NativeBufferConsumer : public android::ANativeObjectBase<

                                 ANativeWindowBuffer, NativeBufferConsumer,

                                 android::LightRefBase<NativeBufferConsumer>> {

 public:

  static constexpr int kEmptyFence = -1;

  explicit NativeBufferConsumer(const std::shared_ptr<BufferConsumer>& buffer)

      : BASE(), buffer_(buffer), acquire_fence_(kEmptyFence), sequence_(0) {

    ANativeWindowBuffer::width = buffer_->width();

    ANativeWindowBuffer::height = buffer_->height();

    ANativeWindowBuffer::stride = buffer_->stride();

    ANativeWindowBuffer::format = buffer_->format();

    ANativeWindowBuffer::usage = buffer_->usage();

    handle = buffer_->native_handle();

  }

  virtual ~NativeBufferConsumer() {}

  std::shared_ptr<BufferConsumer> buffer() const { return buffer_; }

  int acquire_fence() const { return acquire_fence_.Get(); }

  uint64_t sequence() const { return sequence_; }

  // Return the acquire fence, passing ownership to the caller.

  pdx::LocalHandle ClaimAcquireFence() { return std::move(acquire_fence_); }

  // Acquire the underlying buffer consumer, closing the previous acquire fence

  // if valid.

  int Acquire() { return buffer_->Acquire(&acquire_fence_, &sequence_); }

  // Release the buffer consumer, closing the acquire and release fences if

  // valid.

  int Release(int release_fence) {

    acquire_fence_.Close();

    sequence_ = 0;

    return buffer_->Release(pdx::LocalHandle(release_fence));

  }

 private:

  friend class android::LightRefBase<NativeBufferConsumer>;

  std::shared_ptr<BufferConsumer> buffer_;

  pdx::LocalHandle acquire_fence_;

  uint64_t sequence_;

  NativeBufferConsumer(const NativeBufferConsumer&) = delete;

  void operator=(NativeBufferConsumer&) = delete;

};

}  // namespace dvr

}  // namespace android

#endif  // ANDROID_DVR_NATIVE_BUFFER_H_

#include <mutex>

#include <mutex>

#include <private/dvr/display_protocol.h>

#include <private/dvr/display_protocol.h>

#include <private/dvr/native_buffer.h>

using android::pdx::ErrorStatus;

using android::pdx::ErrorStatus;

using android::pdx::LocalHandle;

using android::pdx::LocalHandle;

// 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.

sourceFiles = [

    "buffer_hub.cpp",

    "bufferhubd.cpp",

    "consumer_channel.cpp",

    "producer_channel.cpp",

    "consumer_queue_channel.cpp",

    "producer_queue_channel.cpp",

]

headerLibraries = ["libdvr_headers"]

staticLibraries = [

    "libperformance",

    "libbufferhub",

]

sharedLibraries = [

    "libbase",

    "libbinder",

    "libcutils",

    "liblog",

    "libsync",

    "libutils",

    "libgui",

    "libui",

    "libpdx_default_transport",

]

cc_binary {

    srcs: sourceFiles,

    cflags: [

        "-DLOG_TAG=\"bufferhubd\"",

        "-DTRACE=0",

        "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",

    ],

    header_libs: headerLibraries,

    static_libs: staticLibraries,

    shared_libs: sharedLibraries,

    name: "bufferhubd",

    init_rc: ["bufferhubd.rc"],

}

# 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)

sourceFiles := \

    buffer_hub.cpp \

    bufferhubd.cpp \

    consumer_channel.cpp \

    producer_channel.cpp \

    consumer_queue_channel.cpp \

    producer_queue_channel.cpp \

headerLibraries := \

	libdvr_headers

staticLibraries := \

	libperformance \

	libbufferhub

sharedLibraries := \

	libbase \

	libbinder \

	libcutils \

	liblog \

	libsync \

	libutils \

        libgui \

        libui \

	libpdx_default_transport \

include $(CLEAR_VARS)

LOCAL_SRC_FILES := $(sourceFiles)

LOCAL_CFLAGS := -DLOG_TAG=\"bufferhubd\"

LOCAL_CFLAGS += -DTRACE=0

LOCAL_CFLAGS += -DATRACE_TAG=ATRACE_TAG_GRAPHICS

LOCAL_HEADER_LIBRARIES := $(headerLibraries)

LOCAL_STATIC_LIBRARIES := $(staticLibraries)

LOCAL_SHARED_LIBRARIES := $(sharedLibraries)

LOCAL_MODULE := bufferhubd

LOCAL_INIT_RC := bufferhubd.rc

include $(BUILD_EXECUTABLE)