renderer_vulkan: Use VMA for buffers

11 files changed, 76 insertions, 162 deletions

diff --git a/src/video_core/renderer_vulkan/renderer_vulkan.cpp b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
index e569523b6..ddf28ca28 100644
--- a/src/video_core/renderer_vulkan/renderer_vulkan.cpp
+++ b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
@@ -233,8 +233,8 @@ void Vulkan::RendererVulkan::RenderScreenshot(const Tegra::FramebufferConfig& fr
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
     };
-    const vk::Buffer dst_buffer = device.GetLogical().CreateBuffer(dst_buffer_info);
-    MemoryCommit dst_buffer_memory = memory_allocator.Commit(dst_buffer, MemoryUsage::Download);
+    const vk::Buffer dst_buffer =
+        memory_allocator.CreateBuffer(dst_buffer_info, MemoryUsage::Download);
 
     scheduler.RequestOutsideRenderPassOperationContext();
     scheduler.Record([&](vk::CommandBuffer cmdbuf) {
@@ -308,8 +308,9 @@ void Vulkan::RendererVulkan::RenderScreenshot(const Tegra::FramebufferConfig& fr
     scheduler.Finish();
 
     // Copy backing image data to the QImage screenshot buffer
-    const auto dst_memory_map = dst_buffer_memory.Map();
-    std::memcpy(renderer_settings.screenshot_bits, dst_memory_map.data(), dst_memory_map.size());
+    dst_buffer.Invalidate();
+    std::memcpy(renderer_settings.screenshot_bits, dst_buffer.Mapped().data(),
+                dst_buffer.Mapped().size());
     renderer_settings.screenshot_complete_callback(false);
     renderer_settings.screenshot_requested = false;
 }
diff --git a/src/video_core/renderer_vulkan/vk_blit_screen.cpp b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
index 82ca81c7e..ad3b29f0e 100644
--- a/src/video_core/renderer_vulkan/vk_blit_screen.cpp
+++ b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
@@ -162,7 +162,7 @@ void BlitScreen::Draw(const Tegra::FramebufferConfig& framebuffer,
     SetUniformData(data, layout);
     SetVertexData(data, framebuffer, layout);
 
-    const std::span<u8> mapped_span = buffer_commit.Map();
+    const std::span<u8> mapped_span = buffer.Mapped();
     std::memcpy(mapped_span.data(), &data, sizeof(data));
 
     if (!use_accelerated) {
@@ -1074,7 +1074,6 @@ void BlitScreen::ReleaseRawImages() {
     aa_image_view.reset();
     aa_image.reset();
     buffer.reset();
-    buffer_commit = MemoryCommit{};
 }
 
 void BlitScreen::CreateStagingBuffer(const Tegra::FramebufferConfig& framebuffer) {
@@ -1090,8 +1089,7 @@ void BlitScreen::CreateStagingBuffer(const Tegra::FramebufferConfig& framebuffer
         .pQueueFamilyIndices = nullptr,
     };
 
-    buffer = device.GetLogical().CreateBuffer(ci);
-    buffer_commit = memory_allocator.Commit(buffer, MemoryUsage::Upload);
+    buffer = memory_allocator.CreateBuffer(ci, MemoryUsage::Upload);
 }
 
 void BlitScreen::CreateRawImages(const Tegra::FramebufferConfig& framebuffer) {
diff --git a/src/video_core/renderer_vulkan/vk_blit_screen.h b/src/video_core/renderer_vulkan/vk_blit_screen.h
index 7fcfa9976..8365b5668 100644
--- a/src/video_core/renderer_vulkan/vk_blit_screen.h
+++ b/src/video_core/renderer_vulkan/vk_blit_screen.h
@@ -142,7 +142,6 @@ private:
     vk::Sampler sampler;
 
     vk::Buffer buffer;
-    MemoryCommit buffer_commit;
 
     std::vector<u64> resource_ticks;
 
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
index 8c33722d3..67356c679 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
@@ -50,7 +50,7 @@ size_t BytesPerIndex(VkIndexType index_type) {
     }
 }
 
-vk::Buffer CreateBuffer(const Device& device, u64 size) {
+vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allocator, u64 size) {
     VkBufferUsageFlags flags =
         VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
         VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT |
@@ -60,7 +60,7 @@ vk::Buffer CreateBuffer(const Device& device, u64 size) {
     if (device.IsExtTransformFeedbackSupported()) {
         flags |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
     }
-    return device.GetLogical().CreateBuffer({
+    const VkBufferCreateInfo buffer_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -69,7 +69,8 @@ vk::Buffer CreateBuffer(const Device& device, u64 size) {
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
+    };
+    return memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
 }
 } // Anonymous namespace
 
@@ -79,8 +80,8 @@ Buffer::Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params)
 Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rasterizer_,
                VAddr cpu_addr_, u64 size_bytes_)
     : VideoCommon::BufferBase<VideoCore::RasterizerInterface>(rasterizer_, cpu_addr_, size_bytes_),
-      device{&runtime.device}, buffer{CreateBuffer(*device, SizeBytes())},
-      commit{runtime.memory_allocator.Commit(buffer, MemoryUsage::DeviceLocal)} {
+      device{&runtime.device}, buffer{
+                                   CreateBuffer(*device, runtime.memory_allocator, SizeBytes())} {
     if (runtime.device.HasDebuggingToolAttached()) {
         buffer.SetObjectNameEXT(fmt::format("Buffer 0x{:x}", CpuAddr()).c_str());
     }
@@ -138,7 +139,7 @@ public:
         const u32 num_first_offset_copies = 4;
         const size_t bytes_per_index = BytesPerIndex(index_type);
         const size_t size_bytes = num_triangle_indices * bytes_per_index * num_first_offset_copies;
-        buffer = device.GetLogical().CreateBuffer(VkBufferCreateInfo{
+        const VkBufferCreateInfo buffer_ci = {
             .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
             .pNext = nullptr,
             .flags = 0,
@@ -147,14 +148,21 @@ public:
             .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
             .queueFamilyIndexCount = 0,
             .pQueueFamilyIndices = nullptr,
-        });
+        };
+        buffer = memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
         if (device.HasDebuggingToolAttached()) {
             buffer.SetObjectNameEXT("Quad LUT");
         }
-        memory_commit = memory_allocator.Commit(buffer, MemoryUsage::DeviceLocal);
 
-        const StagingBufferRef staging = staging_pool.Request(size_bytes, MemoryUsage::Upload);
-        u8* staging_data = staging.mapped_span.data();
+        const bool host_visible = buffer.IsHostVisible();
+        const StagingBufferRef staging = [&] {
+            if (host_visible) {
+                return StagingBufferRef{};
+            }
+            return staging_pool.Request(size_bytes, MemoryUsage::Upload);
+        }();
+
+        u8* staging_data = host_visible ? buffer.Mapped().data() : staging.mapped_span.data();
         const size_t quad_size = bytes_per_index * 6;
 
         for (u32 first = 0; first < num_first_offset_copies; ++first) {
@@ -164,29 +172,33 @@ public:
             }
         }
 
-        scheduler.RequestOutsideRenderPassOperationContext();
-        scheduler.Record([src_buffer = staging.buffer, src_offset = staging.offset,
-                          dst_buffer = *buffer, size_bytes](vk::CommandBuffer cmdbuf) {
-            const VkBufferCopy copy{
-                .srcOffset = src_offset,
-                .dstOffset = 0,
-                .size = size_bytes,
-            };
-            const VkBufferMemoryBarrier write_barrier{
-                .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
-                .pNext = nullptr,
-                .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-                .dstAccessMask = VK_ACCESS_INDEX_READ_BIT,
-                .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-                .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-                .buffer = dst_buffer,
-                .offset = 0,
-                .size = size_bytes,
-            };
-            cmdbuf.CopyBuffer(src_buffer, dst_buffer, copy);
-            cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
-                                   VK_PIPELINE_STAGE_VERTEX_INPUT_BIT, 0, write_barrier);
-        });
+        if (!host_visible) {
+            scheduler.RequestOutsideRenderPassOperationContext();
+            scheduler.Record([src_buffer = staging.buffer, src_offset = staging.offset,
+                              dst_buffer = *buffer, size_bytes](vk::CommandBuffer cmdbuf) {
+                const VkBufferCopy copy{
+                    .srcOffset = src_offset,
+                    .dstOffset = 0,
+                    .size = size_bytes,
+                };
+                const VkBufferMemoryBarrier write_barrier{
+                    .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
+                    .pNext = nullptr,
+                    .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
+                    .dstAccessMask = VK_ACCESS_INDEX_READ_BIT,
+                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+                    .buffer = dst_buffer,
+                    .offset = 0,
+                    .size = size_bytes,
+                };
+                cmdbuf.CopyBuffer(src_buffer, dst_buffer, copy);
+                cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
+                                       VK_PIPELINE_STAGE_VERTEX_INPUT_BIT, 0, write_barrier);
+            });
+        } else {
+            buffer.Flush();
+        }
     }
 
     void BindBuffer(u32 first) {
@@ -587,11 +599,10 @@ void BufferCacheRuntime::ReserveNullBuffer() {
         create_info.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
     }
     create_info.usage |= VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT;
-    null_buffer = device.GetLogical().CreateBuffer(create_info);
+    null_buffer = memory_allocator.CreateBuffer(create_info, MemoryUsage::DeviceLocal);
     if (device.HasDebuggingToolAttached()) {
         null_buffer.SetObjectNameEXT("Null buffer");
     }
-    null_buffer_commit = memory_allocator.Commit(null_buffer, MemoryUsage::DeviceLocal);
 
     scheduler.RequestOutsideRenderPassOperationContext();
     scheduler.Record([buffer = *null_buffer](vk::CommandBuffer cmdbuf) {
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
index cdeef8846..95446c732 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.h
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h
@@ -48,7 +48,6 @@ private:
 
     const Device* device{};
     vk::Buffer buffer;
-    MemoryCommit commit;
     std::vector<BufferView> views;
 };
 
@@ -142,7 +141,6 @@ private:
     std::shared_ptr<QuadStripIndexBuffer> quad_strip_index_buffer;
 
     vk::Buffer null_buffer;
-    MemoryCommit null_buffer_commit;
 
     std::unique_ptr<Uint8Pass> uint8_pass;
     QuadIndexedPass quad_index_pass;
diff --git a/src/video_core/renderer_vulkan/vk_smaa.cpp b/src/video_core/renderer_vulkan/vk_smaa.cpp
index ff7c3a419..5efd7d66e 100644
--- a/src/video_core/renderer_vulkan/vk_smaa.cpp
+++ b/src/video_core/renderer_vulkan/vk_smaa.cpp
@@ -76,7 +76,7 @@ void TransitionImageLayout(vk::CommandBuffer& cmdbuf, VkImage image, VkImageLayo
 void UploadImage(const Device& device, MemoryAllocator& allocator, Scheduler& scheduler,
                  vk::Image& image, VkExtent2D dimensions, VkFormat format,
                  std::span<const u8> initial_contents = {}) {
-    auto upload_buffer = device.GetLogical().CreateBuffer(VkBufferCreateInfo{
+    const VkBufferCreateInfo upload_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -85,9 +85,10 @@ void UploadImage(const Device& device, MemoryAllocator& allocator, Scheduler& sc
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
-    auto upload_commit = allocator.Commit(upload_buffer, MemoryUsage::Upload);
-    std::ranges::copy(initial_contents, upload_commit.Map().begin());
+    };
+    auto upload_buffer = allocator.CreateBuffer(upload_ci, MemoryUsage::Upload);
+    std::ranges::copy(initial_contents, upload_buffer.Mapped().begin());
+    upload_buffer.Flush();
 
     const std::array<VkBufferImageCopy, 1> regions{{{
         .bufferOffset = 0,
@@ -111,9 +112,6 @@ void UploadImage(const Device& device, MemoryAllocator& allocator, Scheduler& sc
                               VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
     });
     scheduler.Finish();
-
-    // This should go out of scope before the commit
-    auto upload_buffer2 = std::move(upload_buffer);
 }
 
 vk::ImageView CreateWrappedImageView(const Device& device, vk::Image& image, VkFormat format) {
diff --git a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp
index 74ca77216..62b251a9b 100644
--- a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp
+++ b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp
@@ -30,55 +30,6 @@ constexpr VkDeviceSize MAX_STREAM_BUFFER_REQUEST_SIZE = 8_MiB;
 constexpr VkDeviceSize STREAM_BUFFER_SIZE = 128_MiB;
 constexpr VkDeviceSize REGION_SIZE = STREAM_BUFFER_SIZE / StagingBufferPool::NUM_SYNCS;
 
-constexpr VkMemoryPropertyFlags HOST_FLAGS =
-    VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
-constexpr VkMemoryPropertyFlags STREAM_FLAGS = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | HOST_FLAGS;
-
-bool IsStreamHeap(VkMemoryHeap heap) noexcept {
-    return STREAM_BUFFER_SIZE < (heap.size * 2) / 3;
-}
-
-std::optional<u32> FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& props, u32 type_mask,
-                                       VkMemoryPropertyFlags flags) noexcept {
-    for (u32 type_index = 0; type_index < props.memoryTypeCount; ++type_index) {
-        if (((type_mask >> type_index) & 1) == 0) {
-            // Memory type is incompatible
-            continue;
-        }
-        const VkMemoryType& memory_type = props.memoryTypes[type_index];
-        if ((memory_type.propertyFlags & flags) != flags) {
-            // Memory type doesn't have the flags we want
-            continue;
-        }
-        if (!IsStreamHeap(props.memoryHeaps[memory_type.heapIndex])) {
-            // Memory heap is not suitable for streaming
-            continue;
-        }
-        // Success!
-        return type_index;
-    }
-    return std::nullopt;
-}
-
-u32 FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& props, u32 type_mask,
-                        bool try_device_local) {
-    std::optional<u32> type;
-    if (try_device_local) {
-        // Try to find a DEVICE_LOCAL_BIT type, Nvidia and AMD have a dedicated heap for this
-        type = FindMemoryTypeIndex(props, type_mask, STREAM_FLAGS);
-        if (type) {
-            return *type;
-        }
-    }
-    // Otherwise try without the DEVICE_LOCAL_BIT
-    type = FindMemoryTypeIndex(props, type_mask, HOST_FLAGS);
-    if (type) {
-        return *type;
-    }
-    // This should never happen, and in case it does, signal it as an out of memory situation
-    throw vk::Exception(VK_ERROR_OUT_OF_DEVICE_MEMORY);
-}
-
 size_t Region(size_t iterator) noexcept {
     return iterator / REGION_SIZE;
 }
@@ -87,8 +38,7 @@ size_t Region(size_t iterator) noexcept {
 StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& memory_allocator_,
                                      Scheduler& scheduler_)
     : device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_} {
-    const vk::Device& dev = device.GetLogical();
-    stream_buffer = dev.CreateBuffer(VkBufferCreateInfo{
+    const VkBufferCreateInfo stream_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -99,46 +49,13 @@ StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& mem
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
-    if (device.HasDebuggingToolAttached()) {
-        stream_buffer.SetObjectNameEXT("Stream Buffer");
-    }
-    VkMemoryDedicatedRequirements dedicated_reqs{
-        .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS,
-        .pNext = nullptr,
-        .prefersDedicatedAllocation = VK_FALSE,
-        .requiresDedicatedAllocation = VK_FALSE,
-    };
-    const auto requirements = dev.GetBufferMemoryRequirements(*stream_buffer, &dedicated_reqs);
-    const bool make_dedicated = dedicated_reqs.prefersDedicatedAllocation == VK_TRUE ||
-                                dedicated_reqs.requiresDedicatedAllocation == VK_TRUE;
-    const VkMemoryDedicatedAllocateInfo dedicated_info{
-        .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO,
-        .pNext = nullptr,
-        .image = nullptr,
-        .buffer = *stream_buffer,
     };
-    const auto memory_properties = device.GetPhysical().GetMemoryProperties().memoryProperties;
-    VkMemoryAllocateInfo stream_memory_info{
-        .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
-        .pNext = make_dedicated ? &dedicated_info : nullptr,
-        .allocationSize = requirements.size,
-        .memoryTypeIndex =
-            FindMemoryTypeIndex(memory_properties, requirements.memoryTypeBits, true),
-    };
-    stream_memory = dev.TryAllocateMemory(stream_memory_info);
-    if (!stream_memory) {
-        LOG_INFO(Render_Vulkan, "Dynamic memory allocation failed, trying with system memory");
-        stream_memory_info.memoryTypeIndex =
-            FindMemoryTypeIndex(memory_properties, requirements.memoryTypeBits, false);
-        stream_memory = dev.AllocateMemory(stream_memory_info);
-    }
-
+    stream_buffer = memory_allocator.CreateBuffer(stream_ci, MemoryUsage::Stream);
     if (device.HasDebuggingToolAttached()) {
-        stream_memory.SetObjectNameEXT("Stream Buffer Memory");
+        stream_buffer.SetObjectNameEXT("Stream Buffer");
     }
-    stream_buffer.BindMemory(*stream_memory, 0);
-    stream_pointer = stream_memory.Map(0, STREAM_BUFFER_SIZE);
+    stream_pointer = stream_buffer.Mapped();
+    ASSERT_MSG(!stream_pointer.empty(), "Stream buffer must be host visible!");
 }
 
 StagingBufferPool::~StagingBufferPool() = default;
@@ -199,7 +116,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
     return StagingBufferRef{
         .buffer = *stream_buffer,
         .offset = static_cast<VkDeviceSize>(offset),
-        .mapped_span = std::span<u8>(stream_pointer + offset, size),
+        .mapped_span = stream_pointer.subspan(offset, size),
         .usage{},
         .log2_level{},
         .index{},
@@ -247,7 +164,7 @@ std::optional<StagingBufferRef> StagingBufferPool::TryGetReservedBuffer(size_t s
 StagingBufferRef StagingBufferPool::CreateStagingBuffer(size_t size, MemoryUsage usage,
                                                         bool deferred) {
     const u32 log2 = Common::Log2Ceil64(size);
-    vk::Buffer buffer = device.GetLogical().CreateBuffer({
+    const VkBufferCreateInfo buffer_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -259,17 +176,15 @@ StagingBufferRef StagingBufferPool::CreateStagingBuffer(size_t size, MemoryUsage
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
+    };
+    vk::Buffer buffer = memory_allocator.CreateBuffer(buffer_ci, usage);
     if (device.HasDebuggingToolAttached()) {
         ++buffer_index;
         buffer.SetObjectNameEXT(fmt::format("Staging Buffer {}", buffer_index).c_str());
     }
-    MemoryCommit commit = memory_allocator.Commit(buffer, usage);
-    const std::span<u8> mapped_span = IsHostVisible(usage) ? commit.Map() : std::span<u8>{};
-
+    const std::span<u8> mapped_span = buffer.Mapped();
     StagingBuffer& entry = GetCache(usage)[log2].entries.emplace_back(StagingBuffer{
         .buffer = std::move(buffer),
-        .commit = std::move(commit),
         .mapped_span = mapped_span,
         .usage = usage,
         .log2_level = log2,
diff --git a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h
index 4fd15f11a..5f69f08b1 100644
--- a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h
+++ b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h
@@ -46,7 +46,6 @@ private:
 
     struct StagingBuffer {
         vk::Buffer buffer;
-        MemoryCommit commit;
         std::span<u8> mapped_span;
         MemoryUsage usage;
         u32 log2_level;
@@ -97,8 +96,7 @@ private:
     Scheduler& scheduler;
 
     vk::Buffer stream_buffer;
-    vk::DeviceMemory stream_memory;
-    u8* stream_pointer = nullptr;
+    std::span<u8> stream_pointer;
 
     size_t iterator = 0;
     size_t used_iterator = 0;
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index 10defe6cb..28985b6fe 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -839,14 +839,14 @@ bool TextureCacheRuntime::ShouldReinterpret(Image& dst, Image& src) {
 
 VkBuffer TextureCacheRuntime::GetTemporaryBuffer(size_t needed_size) {
     const auto level = (8 * sizeof(size_t)) - std::countl_zero(needed_size - 1ULL);
-    if (buffer_commits[level]) {
+    if (buffers[level]) {
         return *buffers[level];
     }
     const auto new_size = Common::NextPow2(needed_size);
     static constexpr VkBufferUsageFlags flags =
         VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
         VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT;
-    buffers[level] = device.GetLogical().CreateBuffer({
+    const VkBufferCreateInfo temp_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -855,9 +855,8 @@ VkBuffer TextureCacheRuntime::GetTemporaryBuffer(size_t needed_size) {
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
-    buffer_commits[level] = std::make_unique<MemoryCommit>(
-        memory_allocator.Commit(buffers[level], MemoryUsage::DeviceLocal));
+    };
+    buffers[level] = memory_allocator.CreateBuffer(temp_ci, MemoryUsage::DeviceLocal);
     return *buffers[level];
 }
 
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.h b/src/video_core/renderer_vulkan/vk_texture_cache.h
index 9481f2531..220943116 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.h
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.h
@@ -116,7 +116,6 @@ public:
 
     static constexpr size_t indexing_slots = 8 * sizeof(size_t);
     std::array<vk::Buffer, indexing_slots> buffers{};
-    std::array<std::unique_ptr<MemoryCommit>, indexing_slots> buffer_commits{};
 };
 
 class Image : public VideoCommon::ImageBase {
diff --git a/src/video_core/renderer_vulkan/vk_turbo_mode.cpp b/src/video_core/renderer_vulkan/vk_turbo_mode.cpp
index 6417d7e31..460d8d59d 100644
--- a/src/video_core/renderer_vulkan/vk_turbo_mode.cpp
+++ b/src/video_core/renderer_vulkan/vk_turbo_mode.cpp
@@ -41,7 +41,7 @@ void TurboMode::Run(std::stop_token stop_token) {
     auto& dld = m_device.GetLogical();
 
     // Allocate buffer. 2MiB should be sufficient.
-    auto buffer = dld.CreateBuffer(VkBufferCreateInfo{
+    const VkBufferCreateInfo buffer_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
@@ -50,10 +50,8 @@ void TurboMode::Run(std::stop_token stop_token) {
         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
-    });
-
-    // Commit some device local memory for the buffer.
-    auto commit = m_allocator.Commit(buffer, MemoryUsage::DeviceLocal);
+    };
+    vk::Buffer buffer = m_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
 
     // Create the descriptor pool to contain our descriptor.
     static constexpr VkDescriptorPoolSize pool_size{