1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/vulkan/vma_wrapper.h"
#include <vk_mem_alloc.h>
#include "build/build_config.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
namespace gpu {
namespace vma {
VkResult CreateAllocator(VkPhysicalDevice physical_device,
VkDevice device,
VkInstance instance,
VmaAllocator* pAllocator) {
auto* function_pointers = gpu::GetVulkanFunctionPointers();
VmaVulkanFunctions functions = {
function_pointers->vkGetPhysicalDevicePropertiesFn.get(),
function_pointers->vkGetPhysicalDeviceMemoryPropertiesFn.get(),
function_pointers->vkAllocateMemoryFn.get(),
function_pointers->vkFreeMemoryFn.get(),
function_pointers->vkMapMemoryFn.get(),
function_pointers->vkUnmapMemoryFn.get(),
function_pointers->vkFlushMappedMemoryRangesFn.get(),
function_pointers->vkInvalidateMappedMemoryRangesFn.get(),
function_pointers->vkBindBufferMemoryFn.get(),
function_pointers->vkBindImageMemoryFn.get(),
function_pointers->vkGetBufferMemoryRequirementsFn.get(),
function_pointers->vkGetImageMemoryRequirementsFn.get(),
function_pointers->vkCreateBufferFn.get(),
function_pointers->vkDestroyBufferFn.get(),
function_pointers->vkCreateImageFn.get(),
function_pointers->vkDestroyImageFn.get(),
function_pointers->vkCmdCopyBufferFn.get(),
function_pointers->vkGetBufferMemoryRequirements2Fn.get(),
function_pointers->vkGetImageMemoryRequirements2Fn.get(),
};
VmaAllocatorCreateInfo allocator_info = {
.flags = VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT,
.physicalDevice = physical_device,
.device = device,
// 4MB was picked for the size here by looking at memory usage of Android
// apps and runs of DM. It seems to be a good compromise of not wasting
// unused allocated space and not making too many small allocations. The
// AMD allocator will start making blocks at 1/8 the max size and builds
// up block size as needed before capping at the max set here.
.preferredLargeHeapBlockSize = 4 * 1024 * 1024,
.pVulkanFunctions = &functions,
.instance = instance,
};
return vmaCreateAllocator(&allocator_info, pAllocator);
}
void DestroyAllocator(VmaAllocator allocator) {
vmaDestroyAllocator(allocator);
}
VkResult AllocateMemoryForImage(VmaAllocator allocator,
VkImage image,
const VmaAllocationCreateInfo* create_info,
VmaAllocation* allocation,
VmaAllocationInfo* allocation_info) {
return vmaAllocateMemoryForImage(allocator, image, create_info, allocation,
allocation_info);
}
VkResult AllocateMemoryForBuffer(VmaAllocator allocator,
VkBuffer buffer,
const VmaAllocationCreateInfo* create_info,
VmaAllocation* allocation,
VmaAllocationInfo* allocation_info) {
return vmaAllocateMemoryForBuffer(allocator, buffer, create_info, allocation,
allocation_info);
}
VkResult CreateBuffer(VmaAllocator allocator,
const VkBufferCreateInfo* buffer_create_info,
VkMemoryPropertyFlags required_flags,
VkMemoryPropertyFlags preferred_flags,
VkBuffer* buffer,
VmaAllocation* allocation) {
VmaAllocationCreateInfo allocation_create_info = {
.requiredFlags = required_flags,
.preferredFlags = preferred_flags,
};
return vmaCreateBuffer(allocator, buffer_create_info, &allocation_create_info,
buffer, allocation, nullptr);
}
void DestroyBuffer(VmaAllocator allocator,
VkBuffer buffer,
VmaAllocation allocation) {
vmaDestroyBuffer(allocator, buffer, allocation);
}
VkResult MapMemory(VmaAllocator allocator,
VmaAllocation allocation,
void** data) {
return vmaMapMemory(allocator, allocation, data);
}
void UnmapMemory(VmaAllocator allocator, VmaAllocation allocation) {
return vmaUnmapMemory(allocator, allocation);
}
void FreeMemory(VmaAllocator allocator, VmaAllocation allocation) {
vmaFreeMemory(allocator, allocation);
}
void FlushAllocation(VmaAllocator allocator,
VmaAllocation allocation,
VkDeviceSize offset,
VkDeviceSize size) {
vmaFlushAllocation(allocator, allocation, offset, size);
}
void InvalidateAllocation(VmaAllocator allocator,
VmaAllocation allocation,
VkDeviceSize offset,
VkDeviceSize size) {
vmaInvalidateAllocation(allocator, allocation, offset, size);
}
void GetAllocationInfo(VmaAllocator allocator,
VmaAllocation allocation,
VmaAllocationInfo* allocation_info) {
vmaGetAllocationInfo(allocator, allocation, allocation_info);
}
void GetMemoryTypeProperties(VmaAllocator allocator,
uint32_t memory_type_index,
VkMemoryPropertyFlags* flags) {
vmaGetMemoryTypeProperties(allocator, memory_type_index, flags);
}
void GetPhysicalDeviceProperties(
VmaAllocator allocator,
const VkPhysicalDeviceProperties** physical_device_properties) {
vmaGetPhysicalDeviceProperties(allocator, physical_device_properties);
}
void CalculateStats(VmaAllocator allocator, VmaStats* stats) {
vmaCalculateStats(allocator, stats);
}
} // namespace vma
} // namespace gpu
|
