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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_VULKAN_VULKAN_MEMORY_H_
#define GPU_VULKAN_VULKAN_MEMORY_H_
#include <vulkan/vulkan_core.h>
#include "base/component_export.h"
#include "base/files/scoped_file.h"
#include "base/memory/raw_ptr.h"
#include "base/types/pass_key.h"
#include "build/build_config.h"
#if BUILDFLAG(IS_WIN)
#include "base/win/scoped_handle.h"
#endif
#if BUILDFLAG(IS_FUCHSIA)
#include <lib/zx/vmo.h>
#endif
namespace gpu {
class VulkanDeviceQueue;
class COMPONENT_EXPORT(VULKAN) VulkanMemory {
public:
explicit VulkanMemory(base::PassKey<VulkanMemory> pass_key);
~VulkanMemory();
VulkanMemory(VulkanMemory&) = delete;
VulkanMemory& operator=(VulkanMemory&) = delete;
static std::unique_ptr<VulkanMemory> Create(VulkanDeviceQueue* device_queue,
VkDeviceMemory device_memory,
VkDeviceSize size,
uint32_t type_index);
static std::unique_ptr<VulkanMemory> Create(
VulkanDeviceQueue* device_queue,
const VkMemoryRequirements* requirements,
const void* extra_allocate_info);
void Destroy();
#if BUILDFLAG(IS_POSIX)
base::ScopedFD GetMemoryFd(VkExternalMemoryHandleTypeFlagBits handle_type);
#endif // BUILDFLAG(IS_POSIX)
#if BUILDFLAG(IS_WIN)
base::win::ScopedHandle GetMemoryHandle(
VkExternalMemoryHandleTypeFlagBits handle_type);
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_FUCHSIA)
zx::vmo GetMemoryZirconHandle();
#endif // BUILDFLAG(IS_FUCHSIA)
VulkanDeviceQueue* device_queue() const { return device_queue_; }
VkDeviceSize size() const { return size_; }
uint32_t type_index() const { return type_index_; }
VkDeviceMemory device_memory() const { return device_memory_; }
private:
bool Initialize(VulkanDeviceQueue* device_queue,
const VkMemoryRequirements* requirements,
const void* extra_allocate_info);
raw_ptr<VulkanDeviceQueue> device_queue_ = nullptr;
VkDeviceMemory device_memory_ = VK_NULL_HANDLE;
VkDeviceSize size_ = 0;
uint32_t type_index_ = 0;
};
} // namespace gpu
#endif // GPU_VULKAN_VULKAN_MEMORY_H_
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