hwc3/Composer.cpp

/*
 * Copyright (C) 2021 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 ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)

#include "Composer.h"

#include <android-base/logging.h>
#include <android/binder_ibinder_platform.h>

#include "utils/log.h"

namespace aidl::android::hardware::graphics::composer3::impl {

// NOLINTNEXTLINE
#define DEBUG_FUNC() ALOGV("%s", __func__)

ndk::ScopedAStatus Composer::createClient(
    std::shared_ptr<IComposerClient>* out_client) {
  DEBUG_FUNC();

  auto client = ndk::SharedRefBase::make<ComposerClient>();
  if (!client) {
    *out_client = nullptr;
    return ndk::ScopedAStatus::fromServiceSpecificError(EX_NO_RESOURCES);
  }

  *out_client = client;

  return ndk::ScopedAStatus::ok();
}

binder_status_t Composer::dump(int fd, const char** /*args*/,
                               uint32_t /*numArgs*/) {
  auto output = std::string("hwc3-drm");
  write(fd, output.c_str(), output.size());
  return STATUS_OK;
}

ndk::ScopedAStatus Composer::getCapabilities(
    std::vector<Capability>* /*caps*/) {
  DEBUG_FUNC();
  return ndk::ScopedAStatus::ok();
}

::ndk::SpAIBinder Composer::createBinder() {
  auto binder = BnComposer::createBinder();
  AIBinder_setInheritRt(binder.get(), true);
  return binder;
}

}  // namespace aidl::android::hardware::graphics::composer3::impl