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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/src/virtio/vulkan/vn_device_memory.h
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/*

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 * Copyright 2019 Google LLC

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 * SPDX-License-Identifier: MIT

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 *

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 * based in part on anv and radv which are:

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 * Copyright © 2015 Intel Corporation

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 * Copyright © 2016 Red Hat.

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 * Copyright © 2016 Bas Nieuwenhuizen

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 */

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#ifndef VN_DEVICE_MEMORY_H

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#define VN_DEVICE_MEMORY_H

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#include "vn_common.h"

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struct vn_device_memory_pool {

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   mtx_t mutex;

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   struct vn_device_memory *memory;

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   VkDeviceSize used;

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};

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struct vn_device_memory {

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   struct vn_object_base base;

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   VkDeviceSize size;

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   /* non-NULL when suballocated */

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   struct vn_device_memory *base_memory;

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   /* non-NULL when mappable or external */

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   struct vn_renderer_bo *base_bo;

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   VkDeviceSize base_offset;

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   VkDeviceSize map_end;

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   /* non-NULL when backed by AHB */

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   struct AHardwareBuffer *ahb;

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};

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VK_DEFINE_NONDISP_HANDLE_CASTS(vn_device_memory,

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                               base.base,

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                               VkDeviceMemory,

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                               VK_OBJECT_TYPE_DEVICE_MEMORY)

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void

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vn_device_memory_pool_fini(struct vn_device *dev, uint32_t mem_type_index);

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VkResult

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vn_device_memory_import_dma_buf(struct vn_device *dev,

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                                struct vn_device_memory *mem,

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                                const VkMemoryAllocateInfo *alloc_info,

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                                int fd);

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VkResult

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vn_get_memory_dma_buf_properties(struct vn_device *dev,

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                                 int fd,

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                                 uint64_t *out_alloc_size,

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                                 uint32_t *out_mem_type_bits);

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#endif /* VN_DEVICE_MEMORY_H */

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