android_hardware_buffer_texture_source_vk.h

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// Copyright 2013 The Flutter 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 FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ANDROID_HARDWARE_BUFFER_TEXTURE_SOURCE_VK_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ANDROID_HARDWARE_BUFFER_TEXTURE_SOURCE_VK_H_
 
#include "flutter/fml/build_config.h"
#include "vulkan/vulkan_core.h"
 
#ifdef FML_OS_ANDROID
 
#include "flutter/fml/macros.h"
#include "impeller/geometry/size.h"
#include "impeller/renderer/backend/vulkan/formats_vk.h"
#include "impeller/renderer/backend/vulkan/texture_source_vk.h"
#include "impeller/renderer/backend/vulkan/vk.h"
 
#include <android/hardware_buffer.h>
#include <android/hardware_buffer_jni.h>
 
namespace impeller {
 
class AndroidHardwareBufferTextureSourceVK final : public TextureSourceVK {
 public:
  AndroidHardwareBufferTextureSourceVK(
      TextureDescriptor desc,
      const vk::Device& device,
      struct AHardwareBuffer* hardware_buffer,
      const AHardwareBuffer_Desc& hardware_buffer_desc);
 
  // |TextureSourceVK|
  ~AndroidHardwareBufferTextureSourceVK() override;
 
  // |TextureSourceVK|
  vk::Image GetImage() const override;
 
  // |TextureSourceVK|
  vk::ImageView GetImageView() const override;
 
  bool IsValid() const;
 
 private:
  const vk::Device& device_;
  vk::Image image_ = VK_NULL_HANDLE;
  vk::UniqueImageView image_view_ = {};
  vk::DeviceMemory device_memory_ = VK_NULL_HANDLE;
 
  bool is_valid_ = false;
 
  AndroidHardwareBufferTextureSourceVK(
      const AndroidHardwareBufferTextureSourceVK&) = delete;
 
  AndroidHardwareBufferTextureSourceVK& operator=(
      const AndroidHardwareBufferTextureSourceVK&) = delete;
};
 
}  // namespace impeller
 
#endif
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ANDROID_HARDWARE_BUFFER_TEXTURE_SOURCE_VK_H_