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
|
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "video_core/buffer_cache/buffer_cache.h"
#include "video_core/buffer_cache/memory_tracker_base.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_vulkan/vk_compute_pass.h"
#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/surface.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
class Device;
class DescriptorPool;
class Scheduler;
class BufferCacheRuntime;
class Buffer : public VideoCommon::BufferBase<VideoCore::RasterizerInterface> {
public:
explicit Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params);
explicit Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rasterizer_,
VAddr cpu_addr_, u64 size_bytes_);
[[nodiscard]] VkBufferView View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format);
[[nodiscard]] VkBuffer Handle() const noexcept {
return *buffer;
}
operator VkBuffer() const noexcept {
return *buffer;
}
private:
struct BufferView {
u32 offset;
u32 size;
VideoCore::Surface::PixelFormat format;
vk::BufferView handle;
};
const Device* device{};
vk::Buffer buffer;
MemoryCommit commit;
std::vector<BufferView> views;
};
class QuadArrayIndexBuffer;
class QuadStripIndexBuffer;
class BufferCacheRuntime {
friend Buffer;
using PrimitiveTopology = Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology;
using IndexFormat = Tegra::Engines::Maxwell3D::Regs::IndexFormat;
public:
explicit BufferCacheRuntime(const Device& device_, MemoryAllocator& memory_manager_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_,
UpdateDescriptorQueue& update_descriptor_queue_,
DescriptorPool& descriptor_pool);
void Finish();
u64 GetDeviceLocalMemory() const;
u64 GetDeviceMemoryUsage() const;
bool CanReportMemoryUsage() const;
[[nodiscard]] StagingBufferRef UploadStagingBuffer(size_t size);
[[nodiscard]] StagingBufferRef DownloadStagingBuffer(size_t size, bool deferred = false);
void FreeDeferredStagingBuffer(StagingBufferRef& ref);
void PreCopyBarrier();
void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier = true);
void PostCopyBarrier();
void ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value);
void BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format, u32 num_indices,
u32 base_vertex, VkBuffer buffer, u32 offset, u32 size);
void BindQuadIndexBuffer(PrimitiveTopology topology, u32 first, u32 count);
void BindVertexBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size, u32 stride);
void BindTransformFeedbackBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size);
std::span<u8> BindMappedUniformBuffer([[maybe_unused]] size_t stage,
[[maybe_unused]] u32 binding_index, u32 size) {
const StagingBufferRef ref = staging_pool.Request(size, MemoryUsage::Upload);
BindBuffer(ref.buffer, static_cast<u32>(ref.offset), size);
return ref.mapped_span;
}
void BindUniformBuffer(VkBuffer buffer, u32 offset, u32 size) {
BindBuffer(buffer, offset, size);
}
void BindStorageBuffer(VkBuffer buffer, u32 offset, u32 size,
[[maybe_unused]] bool is_written) {
BindBuffer(buffer, offset, size);
}
void BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
VideoCore::Surface::PixelFormat format) {
update_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format));
}
private:
void BindBuffer(VkBuffer buffer, u32 offset, u32 size) {
update_descriptor_queue.AddBuffer(buffer, offset, size);
}
void ReserveNullBuffer();
const Device& device;
MemoryAllocator& memory_allocator;
Scheduler& scheduler;
StagingBufferPool& staging_pool;
UpdateDescriptorQueue& update_descriptor_queue;
std::shared_ptr<QuadArrayIndexBuffer> quad_array_index_buffer;
std::shared_ptr<QuadStripIndexBuffer> quad_strip_index_buffer;
vk::Buffer null_buffer;
MemoryCommit null_buffer_commit;
Uint8Pass uint8_pass;
QuadIndexedPass quad_index_pass;
};
struct BufferCacheParams {
using Runtime = Vulkan::BufferCacheRuntime;
using Buffer = Vulkan::Buffer;
using Async_Buffer = Vulkan::StagingBufferRef;
using MemoryTracker = VideoCommon::MemoryTrackerBase<VideoCore::RasterizerInterface>;
static constexpr bool IS_OPENGL = false;
static constexpr bool HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS = false;
static constexpr bool HAS_FULL_INDEX_AND_PRIMITIVE_SUPPORT = false;
static constexpr bool NEEDS_BIND_UNIFORM_INDEX = false;
static constexpr bool NEEDS_BIND_STORAGE_INDEX = false;
static constexpr bool USE_MEMORY_MAPS = true;
static constexpr bool SEPARATE_IMAGE_BUFFER_BINDINGS = false;
static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = true;
};
using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;
} // namespace Vulkan
|
