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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstring>
#include <memory>
#include "core/core.h"
#include "video_core/buffer_cache/buffer_cache.h"
#include "video_core/renderer_vulkan/vk_buffer_cache.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_stream_buffer.h"
#include "video_core/renderer_vulkan/wrapper.h"
namespace Vulkan {
namespace {
constexpr VkBufferUsageFlags BUFFER_USAGE =
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
constexpr VkPipelineStageFlags UPLOAD_PIPELINE_STAGE =
VK_PIPELINE_STAGE_TRANSFER_BIT | VK_PIPELINE_STAGE_VERTEX_INPUT_BIT |
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT |
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT;
constexpr VkAccessFlags UPLOAD_ACCESS_BARRIERS =
VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_UNIFORM_READ_BIT |
VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT | VK_ACCESS_INDEX_READ_BIT;
std::unique_ptr<VKStreamBuffer> CreateStreamBuffer(const VKDevice& device, VKScheduler& scheduler) {
return std::make_unique<VKStreamBuffer>(device, scheduler, BUFFER_USAGE);
}
} // Anonymous namespace
Buffer::Buffer(const VKDevice& device, VKMemoryManager& memory_manager, VKScheduler& scheduler_,
VKStagingBufferPool& staging_pool_, VAddr cpu_addr, std::size_t size)
: BufferBlock{cpu_addr, size}, scheduler{scheduler_}, staging_pool{staging_pool_} {
const VkBufferCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = static_cast<VkDeviceSize>(size),
.usage = BUFFER_USAGE | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
buffer.handle = device.GetLogical().CreateBuffer(ci);
buffer.commit = memory_manager.Commit(buffer.handle, false);
}
Buffer::~Buffer() = default;
void Buffer::Upload(std::size_t offset, std::size_t size, const u8* data) {
const auto& staging = staging_pool.GetUnusedBuffer(size, true);
std::memcpy(staging.commit->Map(size), data, size);
scheduler.RequestOutsideRenderPassOperationContext();
const VkBuffer handle = Handle();
scheduler.Record([staging = *staging.handle, handle, offset, size](vk::CommandBuffer cmdbuf) {
cmdbuf.CopyBuffer(staging, handle, VkBufferCopy{0, offset, size});
const VkBufferMemoryBarrier barrier{
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = UPLOAD_ACCESS_BARRIERS,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = handle,
.offset = offset,
.size = size,
};
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, UPLOAD_PIPELINE_STAGE, 0, {},
barrier, {});
});
}
void Buffer::Download(std::size_t offset, std::size_t size, u8* data) {
const auto& staging = staging_pool.GetUnusedBuffer(size, true);
scheduler.RequestOutsideRenderPassOperationContext();
const VkBuffer handle = Handle();
scheduler.Record([staging = *staging.handle, handle, offset, size](vk::CommandBuffer cmdbuf) {
const VkBufferMemoryBarrier barrier{
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = handle,
.offset = offset,
.size = size,
};
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_VERTEX_SHADER_BIT |
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT |
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, 0, {}, barrier, {});
cmdbuf.CopyBuffer(handle, staging, VkBufferCopy{offset, 0, size});
});
scheduler.Finish();
std::memcpy(data, staging.commit->Map(size), size);
}
void Buffer::CopyFrom(const Buffer& src, std::size_t src_offset, std::size_t dst_offset,
std::size_t size) {
scheduler.RequestOutsideRenderPassOperationContext();
const VkBuffer dst_buffer = Handle();
scheduler.Record([src_buffer = src.Handle(), dst_buffer, src_offset, dst_offset,
size](vk::CommandBuffer cmdbuf) {
cmdbuf.CopyBuffer(src_buffer, dst_buffer, VkBufferCopy{src_offset, dst_offset, size});
std::array<VkBufferMemoryBarrier, 2> barriers;
barriers[0].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
barriers[0].pNext = nullptr;
barriers[0].srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
barriers[0].dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
barriers[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barriers[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barriers[0].buffer = src_buffer;
barriers[0].offset = src_offset;
barriers[0].size = size;
barriers[1].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
barriers[1].pNext = nullptr;
barriers[1].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barriers[1].dstAccessMask = UPLOAD_ACCESS_BARRIERS;
barriers[1].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barriers[1].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barriers[1].buffer = dst_buffer;
barriers[1].offset = dst_offset;
barriers[1].size = size;
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, UPLOAD_PIPELINE_STAGE, 0, {},
barriers, {});
});
}
VKBufferCache::VKBufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
const VKDevice& device, VKMemoryManager& memory_manager,
VKScheduler& scheduler, VKStagingBufferPool& staging_pool)
: VideoCommon::BufferCache<Buffer, VkBuffer, VKStreamBuffer>{rasterizer, system,
CreateStreamBuffer(device,
scheduler)},
device{device}, memory_manager{memory_manager}, scheduler{scheduler}, staging_pool{
staging_pool} {}
VKBufferCache::~VKBufferCache() = default;
std::shared_ptr<Buffer> VKBufferCache::CreateBlock(VAddr cpu_addr, std::size_t size) {
return std::make_shared<Buffer>(device, memory_manager, scheduler, staging_pool, cpu_addr,
size);
}
VKBufferCache::BufferInfo VKBufferCache::GetEmptyBuffer(std::size_t size) {
size = std::max(size, std::size_t(4));
const auto& empty = staging_pool.GetUnusedBuffer(size, false);
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([size, buffer = *empty.handle](vk::CommandBuffer cmdbuf) {
cmdbuf.FillBuffer(buffer, 0, size, 0);
});
return {*empty.handle, 0, 0};
}
} // namespace Vulkan
|
