diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 60529323e..3e9d2b3be 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -104,6 +104,8 @@ add_library(video_core STATIC
if (ENABLE_VULKAN)
target_sources(video_core PRIVATE
renderer_vulkan/declarations.h
+ renderer_vulkan/vk_buffer_cache.cpp
+ renderer_vulkan/vk_buffer_cache.h
renderer_vulkan/vk_device.cpp
renderer_vulkan/vk_device.h
renderer_vulkan/vk_memory_manager.cpp
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
new file mode 100644
index 000000000..18b7b94a1
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
@@ -0,0 +1,116 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <memory>
+#include <optional>
+#include <tuple>
+
+#include "common/alignment.h"
+#include "core/core.h"
+#include "core/memory.h"
+#include "video_core/renderer_vulkan/declarations.h"
+#include "video_core/renderer_vulkan/vk_buffer_cache.h"
+#include "video_core/renderer_vulkan/vk_scheduler.h"
+#include "video_core/renderer_vulkan/vk_stream_buffer.h"
+
+namespace Vulkan {
+
+VKBufferCache::VKBufferCache(Tegra::MemoryManager& tegra_memory_manager,
+ VideoCore::RasterizerInterface& rasterizer, const VKDevice& device,
+ VKMemoryManager& memory_manager, VKScheduler& scheduler, u64 size)
+ : RasterizerCache{rasterizer}, tegra_memory_manager{tegra_memory_manager} {
+ const auto usage = vk::BufferUsageFlagBits::eVertexBuffer |
+ vk::BufferUsageFlagBits::eIndexBuffer |
+ vk::BufferUsageFlagBits::eUniformBuffer;
+ const auto access = vk::AccessFlagBits::eVertexAttributeRead | vk::AccessFlagBits::eIndexRead |
+ vk::AccessFlagBits::eUniformRead;
+ stream_buffer =
+ std::make_unique<VKStreamBuffer>(device, memory_manager, scheduler, size, usage, access,
+ vk::PipelineStageFlagBits::eAllCommands);
+ buffer_handle = stream_buffer->GetBuffer();
+}
+
+VKBufferCache::~VKBufferCache() = default;
+
+u64 VKBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, u64 alignment,
+ bool cache) {
+ const auto cpu_addr{tegra_memory_manager.GpuToCpuAddress(gpu_addr)};
+ ASSERT(cpu_addr);
+
+ // Cache management is a big overhead, so only cache entries with a given size.
+ // TODO: Figure out which size is the best for given games.
+ cache &= size >= 2048;
+
+ if (cache) {
+ if (auto entry = TryGet(*cpu_addr); entry) {
+ if (entry->size >= size && entry->alignment == alignment) {
+ return entry->offset;
+ }
+ Unregister(entry);
+ }
+ }
+
+ AlignBuffer(alignment);
+ const u64 uploaded_offset = buffer_offset;
+
+ Memory::ReadBlock(*cpu_addr, buffer_ptr, size);
+
+ buffer_ptr += size;
+ buffer_offset += size;
+
+ if (cache) {
+ auto entry = std::make_shared<CachedBufferEntry>();
+ entry->offset = uploaded_offset;
+ entry->size = size;
+ entry->alignment = alignment;
+ entry->addr = *cpu_addr;
+ Register(entry);
+ }
+
+ return uploaded_offset;
+}
+
+u64 VKBufferCache::UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment) {
+ AlignBuffer(alignment);
+ std::memcpy(buffer_ptr, raw_pointer, size);
+ const u64 uploaded_offset = buffer_offset;
+
+ buffer_ptr += size;
+ buffer_offset += size;
+ return uploaded_offset;
+}
+
+std::tuple<u8*, u64> VKBufferCache::ReserveMemory(std::size_t size, u64 alignment) {
+ AlignBuffer(alignment);
+ u8* const uploaded_ptr = buffer_ptr;
+ const u64 uploaded_offset = buffer_offset;
+
+ buffer_ptr += size;
+ buffer_offset += size;
+ return {uploaded_ptr, uploaded_offset};
+}
+
+void VKBufferCache::Reserve(std::size_t max_size) {
+ bool invalidate;
+ std::tie(buffer_ptr, buffer_offset_base, invalidate) = stream_buffer->Reserve(max_size);
+ buffer_offset = buffer_offset_base;
+
+ if (invalidate) {
+ InvalidateAll();
+ }
+}
+
+VKExecutionContext VKBufferCache::Send(VKExecutionContext exctx) {
+ return stream_buffer->Send(exctx, buffer_offset - buffer_offset_base);
+}
+
+void VKBufferCache::AlignBuffer(std::size_t alignment) {
+ // Align the offset, not the mapped pointer
+ const u64 offset_aligned = Common::AlignUp(buffer_offset, alignment);
+ buffer_ptr += offset_aligned - buffer_offset;
+ buffer_offset = offset_aligned;
+}
+
+} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
new file mode 100644
index 000000000..6cbe21202
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h
@@ -0,0 +1,87 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <tuple>
+
+#include "common/common_types.h"
+#include "video_core/gpu.h"
+#include "video_core/rasterizer_cache.h"
+#include "video_core/renderer_vulkan/declarations.h"
+#include "video_core/renderer_vulkan/vk_scheduler.h"
+
+namespace Tegra {
+class MemoryManager;
+}
+
+namespace Vulkan {
+
+class VKDevice;
+class VKFence;
+class VKMemoryManager;
+class VKStreamBuffer;
+
+struct CachedBufferEntry final : public RasterizerCacheObject {
+ VAddr GetAddr() const override {
+ return addr;
+ }
+
+ std::size_t GetSizeInBytes() const override {
+ return size;
+ }
+
+ // We do not have to flush this cache as things in it are never modified by us.
+ void Flush() override {}
+
+ VAddr addr;
+ std::size_t size;
+ u64 offset;
+ std::size_t alignment;
+};
+
+class VKBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
+public:
+ explicit VKBufferCache(Tegra::MemoryManager& tegra_memory_manager, VideoCore::RasterizerInterface& rasterizer,
+ const VKDevice& device, VKMemoryManager& memory_manager,
+ VKScheduler& scheduler, u64 size);
+ ~VKBufferCache();
+
+ /// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
+ /// allocated.
+ u64 UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, u64 alignment = 4,
+ bool cache = true);
+
+ /// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
+ u64 UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment = 4);
+
+ /// Reserves memory to be used by host's CPU. Returns mapped address and offset.
+ std::tuple<u8*, u64> ReserveMemory(std::size_t size, u64 alignment = 4);
+
+ /// Reserves a region of memory to be used in subsequent upload/reserve operations.
+ void Reserve(std::size_t max_size);
+
+ /// Ensures that the set data is sent to the device.
+ [[nodiscard]] VKExecutionContext Send(VKExecutionContext exctx);
+
+ /// Returns the buffer cache handle.
+ vk::Buffer GetBuffer() const {
+ return buffer_handle;
+ }
+
+private:
+ void AlignBuffer(std::size_t alignment);
+
+ Tegra::MemoryManager& tegra_memory_manager;
+
+ std::unique_ptr<VKStreamBuffer> stream_buffer;
+ vk::Buffer buffer_handle;
+
+ u8* buffer_ptr = nullptr;
+ u64 buffer_offset = 0;
+ u64 buffer_offset_base = 0;
+};
+
+} // namespace Vulkan