xref: /aosp_15_r20/external/minigbm/cros_gralloc/aidl/Allocator.h (revision d95af8df99a05bcb8679a54dc3ab8e5cd312b38e)

/*
 * Copyright 2022 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef MINIGBM_CROSGRALLOC_AIDL_ALLOCATOR_H_
#define MINIGBM_CROSGRALLOC_AIDL_ALLOCATOR_H_

#include <aidl/android/hardware/graphics/allocator/AllocationResult.h>
#include <aidl/android/hardware/graphics/allocator/BnAllocator.h>
#include <android/hardware/graphics/mapper/4.0/IMapper.h>

#include "cros_gralloc/cros_gralloc_driver.h"
#include "cros_gralloc/cros_gralloc_helpers.h"

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

class Allocator : public BnAllocator {
  public:
    Allocator() = default;

    bool init();

    ndk::ScopedAStatus allocate(const std::vector<uint8_t>& descriptor, int32_t count,
                                allocator::AllocationResult* outResult) override;

    ndk::ScopedAStatus allocate2(const BufferDescriptorInfo& descriptor, int32_t count,
                                 allocator::AllocationResult* outResult) override;

    ndk::ScopedAStatus isSupported(const BufferDescriptorInfo& descriptor,
                                   bool* outResult) override;

    ndk::ScopedAStatus getIMapperLibrarySuffix(std::string* outResult) override;

  protected:
    ndk::SpAIBinder createBinder() override;

  private:
    using Dataspace = aidl::android::hardware::graphics::common::Dataspace;

    ndk::ScopedAStatus allocate(const struct cros_gralloc_buffer_descriptor& descriptor,
                                int32_t count, allocator::AllocationResult* outResult);

    ndk::ScopedAStatus allocateBuffer(const struct cros_gralloc_buffer_descriptor& descriptor,
                                      int32_t* outStride, native_handle_t** outHandle);

    void releaseBufferAndHandle(native_handle_t* handle);

    std::shared_ptr<cros_gralloc_driver> mDriver;
};

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

#endif