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/*
* Copyright 2019 Google LLC
* SPDX-License-Identifier: MIT
*
* based in part on anv and radv which are:
* Copyright © 2015 Intel Corporation
* Copyright © 2016 Red Hat.
* Copyright © 2016 Bas Nieuwenhuizen
*/
#ifndef VN_DEVICE_MEMORY_H
#define VN_DEVICE_MEMORY_H
#include "vn_common.h"
struct vn_device_memory_pool {
mtx_t mutex;
struct vn_device_memory *memory;
VkDeviceSize used;
};
struct vn_device_memory {
struct vn_object_base base;
VkDeviceSize size;
VkMemoryPropertyFlags flags;
/* non-NULL when suballocated */
struct vn_device_memory *base_memory;
/* non-NULL when mappable or external */
struct vn_renderer_bo *base_bo;
/* enforce kernel and ring ordering between memory export and free */
bool bo_roundtrip_seqno_valid;
uint64_t bo_roundtrip_seqno;
VkDeviceSize base_offset;
VkDeviceSize map_end;
/* non-NULL when backed by AHB */
struct AHardwareBuffer *ahb;
};
VK_DEFINE_NONDISP_HANDLE_CASTS(vn_device_memory,
base.base,
VkDeviceMemory,
VK_OBJECT_TYPE_DEVICE_MEMORY)
void
vn_device_memory_pool_fini(struct vn_device *dev, uint32_t mem_type_index);
VkResult
vn_device_memory_import_dma_buf(struct vn_device *dev,
struct vn_device_memory *mem,
const VkMemoryAllocateInfo *alloc_info,
bool force_unmappable,
int fd);
VkResult
vn_get_memory_dma_buf_properties(struct vn_device *dev,
int fd,
uint64_t *out_alloc_size,
uint32_t *out_mem_type_bits);
#endif /* VN_DEVICE_MEMORY_H */
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