[nce] avoid cyrilic utf8 strings being interpreted as exclusive store instructions

src/core/arm/nce/instructions.h

@@ -121,7 +121,10 @@ union Exclusive {
     constexpr explicit Exclusive(u32 raw_) : raw{raw_} {}
 
     constexpr bool Verify() {
-        return this->GetSig() == 0x10;
+        if (this->GetSig() != 0x10) return false;
+        const bool pair = decltype(l)::ExtractValue(raw) & 1;
+        const bool fixed_rt2 = decltype(rt2)::ExtractValue(raw) == 0b11111;
+        return pair || fixed_rt2;
     }
 
     constexpr u32 GetSig() {

src/video_core/CMakeLists.txt

@@ -20,7 +20,6 @@ add_library(video_core STATIC
     buffer_cache/buffer_cache.h
     buffer_cache/memory_tracker_base.h
     buffer_cache/usage_tracker.h
-    buffer_cache/virtual_range_cache.h
     buffer_cache/word_manager.h
     cache_types.h
     capture.h
@@ -167,8 +166,6 @@ add_library(video_core STATIC
     renderer_vulkan/vk_fence_manager.h
     renderer_vulkan/vk_graphics_pipeline.cpp
     renderer_vulkan/vk_graphics_pipeline.h
-    renderer_vulkan/vk_multi_range_buffer.cpp
-    renderer_vulkan/vk_multi_range_buffer.h
     renderer_vulkan/vk_master_semaphore.cpp
     renderer_vulkan/vk_master_semaphore.h
     renderer_vulkan/vk_pipeline_cache.cpp

src/video_core/buffer_cache/buffer_cache.h

@@ -112,13 +112,6 @@ void BufferCache<P>::TickFrame() {
     async_buffers_death_ring.clear();
 }
 
-template <class P>
-void BufferCache<P>::UnmapGPUMemory(size_t as_id, GPUVAddr gpu_addr, size_t size) {
-    if constexpr (requires { runtime.BindMultiRangeStorageBuffer(u64{}, bool{}); }) {
-        virtual_ranges.Unmap(as_id, gpu_addr, size);
-    }
-}
-
 template <class P>
 void BufferCache<P>::WriteMemory(DAddr device_addr, u64 size) {
     if (memory_tracker.IsRegionGpuModified(device_addr, size)) {
@@ -215,8 +208,8 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
     BufferId buffer_b;
     do {
         channel_state->has_deleted_buffers = false;
-        buffer_a = FindBuffer(*cpu_src_address, static_cast<u32>(amount), false);
-        buffer_b = FindBuffer(*cpu_dest_address, static_cast<u32>(amount), false);
+        buffer_a = FindBuffer(*cpu_src_address, static_cast<u32>(amount));
+        buffer_b = FindBuffer(*cpu_dest_address, static_cast<u32>(amount));
     } while (channel_state->has_deleted_buffers);
     auto& src_buffer = slot_buffers[buffer_a];
     auto& dest_buffer = slot_buffers[buffer_b];
@@ -272,7 +265,7 @@ bool BufferCache<P>::DMAClear(GPUVAddr dst_address, u64 amount, u32 value) {
     ClearDownload(*cpu_dst_address, size);
     gpu_modified_ranges.Subtract(*cpu_dst_address, size);
 
-    const BufferId buffer = FindBuffer(*cpu_dst_address, static_cast<u32>(size), false);
+    const BufferId buffer = FindBuffer(*cpu_dst_address, static_cast<u32>(size));
     Buffer& dest_buffer = slot_buffers[buffer];
     const u32 offset = dest_buffer.Offset(*cpu_dst_address);
     runtime.ClearBuffer(dest_buffer, offset, size, value);
@@ -294,7 +287,7 @@ std::pair<typename P::Buffer*, u32> BufferCache<P>::ObtainBuffer(GPUVAddr gpu_ad
 template <class P>
 std::pair<typename P::Buffer*, u32> BufferCache<P>::ObtainCPUBuffer(
     DAddr device_addr, u32 size, ObtainBufferSynchronize sync_info, ObtainBufferOperation post_op) {
-    const BufferId buffer_id = FindBuffer(device_addr, size, false);
+    const BufferId buffer_id = FindBuffer(device_addr, size);
     Buffer& buffer = slot_buffers[buffer_id];
 
     // synchronize op
@@ -1005,85 +998,11 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
     channel_state->fast_bound_uniform_buffers[stage] &= ~(1u << binding_index);
 }
 
-template <class P>
-void BufferCache<P>::ResolveMultiRangeStorage(Binding& binding, bool is_written,
-                                              std::vector<MultiRangeSegment>& pool) {
-    binding.segment_first = 0;
-    binding.segment_count = 0;
-    if constexpr (requires { runtime.BindMultiRangeStorageBuffer(u64{}, bool{}); }) {
-        if (binding.gpu_addr == 0 || binding.size == 0) {
-            return;
-        }
-        if (is_written && !runtime.PrefersSparseSources()) {
-            return;
-        }
-        const VirtualSegments* found =
-            virtual_ranges.Query(*gpu_memory, binding.gpu_addr, binding.size);
-        if (!found || found->size() < 2) {
-            return;
-        }
-        const VirtualSegments segments = *found;
-        const u32 first = static_cast<u32>(pool.size());
-        const bool prefer_sparse = runtime.PrefersSparseSources();
-        for (const VirtualSegment& segment : segments) {
-            const BufferId buffer_id =
-                FindBuffer(segment.device_addr, segment.size, prefer_sparse);
-            if (!buffer_id) {
-                pool.resize(first);
-                return;
-            }
-            pool.push_back(MultiRangeSegment{
-                .buffer_id = buffer_id,
-                .device_addr = segment.device_addr,
-                .size = segment.size,
-            });
-        }
-        binding.segment_first = first;
-        binding.segment_count = static_cast<u32>(segments.size());
-    }
-}
-
-template <class P>
-bool BufferCache<P>::BindMultiRangeStorage(const Binding& binding, bool is_written,
-                                           std::span<const MultiRangeSegment> pool) {
-    if constexpr (requires { runtime.BindMultiRangeStorageBuffer(u64{}, bool{}); }) {
-        if (binding.segment_count < 2) {
-            return false;
-        }
-        if (binding.segment_first + binding.segment_count > pool.size()) {
-            return false;
-        }
-        const u64 key = (static_cast<u64>(gpu_memory->GetID()) << 48) ^ binding.gpu_addr;
-        runtime.ResetMultiRange();
-        for (u32 index = 0; index < binding.segment_count; ++index) {
-            const MultiRangeSegment& segment = pool[binding.segment_first + index];
-            Buffer& buffer = slot_buffers[segment.buffer_id];
-            TouchBuffer(buffer, segment.buffer_id);
-            if (SynchronizeBuffer(buffer, segment.device_addr, segment.size)) {
-                runtime.InvalidateMultiRange(key);
-            }
-            const u32 offset = buffer.Offset(segment.device_addr);
-            buffer.MarkUsage(offset, segment.size);
-            if (is_written) {
-                MarkWrittenBuffer(segment.buffer_id, segment.device_addr, segment.size);
-            }
-            runtime.PushMultiRangeSource(buffer, offset, segment.size);
-        }
-        return runtime.BindMultiRangeStorageBuffer(key, is_written);
-    } else {
-        return false;
-    }
-}
-
 template <class P>
 void BufferCache<P>::BindHostGraphicsStorageBuffers(size_t stage) {
     u32 binding_index = 0;
     ForEachEnabledBit(channel_state->enabled_storage_buffers[stage], [&](u32 index) {
         const Binding& binding = channel_state->storage_buffers[stage][index];
-        const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
-        if (BindMultiRangeStorage(binding, is_written, graphics_segments)) {
-            return;
-        }
         Buffer& buffer = slot_buffers[binding.buffer_id];
         TouchBuffer(buffer, binding.buffer_id);
         const u32 size = binding.size;
@@ -1091,6 +1010,7 @@ void BufferCache<P>::BindHostGraphicsStorageBuffers(size_t stage) {
 
         const u32 offset = buffer.Offset(binding.device_addr);
         buffer.MarkUsage(offset, size);
+        const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
 
         if (is_written) {
             MarkWrittenBuffer(binding.buffer_id, binding.device_addr, size);
@@ -1219,11 +1139,6 @@ void BufferCache<P>::BindHostComputeStorageBuffers() {
     u32 binding_index = 0;
     ForEachEnabledBit(channel_state->enabled_compute_storage_buffers, [&](u32 index) {
         const Binding& binding = channel_state->compute_storage_buffers[index];
-        const bool is_written =
-            ((channel_state->written_compute_storage_buffers >> index) & 1) != 0;
-        if (BindMultiRangeStorage(binding, is_written, compute_segments)) {
-            return;
-        }
         Buffer& buffer = slot_buffers[binding.buffer_id];
         TouchBuffer(buffer, binding.buffer_id);
         const u32 size = binding.size;
@@ -1231,6 +1146,8 @@ void BufferCache<P>::BindHostComputeStorageBuffers() {
 
         const u32 offset = buffer.Offset(binding.device_addr);
         buffer.MarkUsage(offset, size);
+        const bool is_written =
+            ((channel_state->written_compute_storage_buffers >> index) & 1) != 0;
 
         if (is_written) {
             MarkWrittenBuffer(binding.buffer_id, binding.device_addr, size);
@@ -1276,7 +1193,6 @@ void BufferCache<P>::BindHostComputeTextureBuffers() {
 
 template <class P>
 void BufferCache<P>::DoUpdateGraphicsBuffers(bool is_indexed) {
-    graphics_segments.clear();
     BufferOperations([&]() {
         if (is_indexed) {
             UpdateIndexBuffer();
@@ -1296,7 +1212,6 @@ void BufferCache<P>::DoUpdateGraphicsBuffers(bool is_indexed) {
 
 template <class P>
 void BufferCache<P>::DoUpdateComputeBuffers() {
-    compute_segments.clear();
     BufferOperations([&]() {
         UpdateComputeUniformBuffers();
         UpdateComputeStorageBuffers();
@@ -1319,11 +1234,11 @@ void BufferCache<P>::UpdateIndexBuffer() {
         auto inline_index_size = static_cast<u32>(draw_state.inline_index_draw_indexes.size());
         u32 buffer_size = Common::AlignUp(inline_index_size, CACHING_PAGESIZE);
         if (inline_buffer_id == NULL_BUFFER_ID) [[unlikely]] {
-            inline_buffer_id = CreateBuffer(0, buffer_size, false);
+            inline_buffer_id = CreateBuffer(0, buffer_size);
         }
         if (slot_buffers[inline_buffer_id].SizeBytes() < buffer_size) [[unlikely]] {
             slot_buffers.erase(inline_buffer_id);
-            inline_buffer_id = CreateBuffer(0, buffer_size, false);
+            inline_buffer_id = CreateBuffer(0, buffer_size);
         }
         channel_state->index_buffer = Binding{
             .device_addr = 0,
@@ -1346,7 +1261,7 @@ void BufferCache<P>::UpdateIndexBuffer() {
     channel_state->index_buffer = Binding{
         .device_addr = *device_addr,
         .size = size,
-        .buffer_id = FindBuffer(*device_addr, size, false),
+        .buffer_id = FindBuffer(*device_addr, size),
     };
 }
 
@@ -1383,7 +1298,7 @@ void BufferCache<P>::UpdateVertexBuffer(u32 index) {
     if (!gpu_memory->IsWithinGPUAddressRange(gpu_addr_end) || size >= 64_MiB) {
         size = static_cast<u32>(gpu_memory->MaxContinuousRange(gpu_addr_begin, size));
     }
-    const BufferId buffer_id = FindBuffer(*device_addr, size, false);
+    const BufferId buffer_id = FindBuffer(*device_addr, size);
     const Binding binding{
         .device_addr = *device_addr,
         .size = size,
@@ -1404,7 +1319,7 @@ void BufferCache<P>::UpdateDrawIndirect() {
         binding = Binding{
             .device_addr = *device_addr,
             .size = static_cast<u32>(size),
-            .buffer_id = FindBuffer(*device_addr, static_cast<u32>(size), false),
+            .buffer_id = FindBuffer(*device_addr, static_cast<u32>(size)),
         };
     };
     if (current_draw_indirect->include_count) {
@@ -1428,7 +1343,7 @@ void BufferCache<P>::UpdateUniformBuffers(size_t stage) {
             channel_state->dirty_uniform_buffers[stage] |= 1U << index;
         }
         // Resolve buffer
-        binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
+        binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
     });
 }
 
@@ -1437,10 +1352,8 @@ void BufferCache<P>::UpdateStorageBuffers(size_t stage) {
     ForEachEnabledBit(channel_state->enabled_storage_buffers[stage], [&](u32 index) {
         // Resolve buffer
         Binding& binding = channel_state->storage_buffers[stage][index];
-        const BufferId buffer_id = FindBuffer(binding.device_addr, binding.size, false);
+        const BufferId buffer_id = FindBuffer(binding.device_addr, binding.size);
         binding.buffer_id = buffer_id;
-        const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
-        ResolveMultiRangeStorage(binding, is_written, graphics_segments);
     });
 }
 
@@ -1448,7 +1361,7 @@ template <class P>
 void BufferCache<P>::UpdateTextureBuffers(size_t stage) {
     ForEachEnabledBit(channel_state->enabled_texture_buffers[stage], [&](u32 index) {
         Binding& binding = channel_state->texture_buffers[stage][index];
-        binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
+        binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
     });
 }
 
@@ -1472,7 +1385,7 @@ void BufferCache<P>::UpdateTransformFeedbackBuffer(u32 index) {
         channel_state->transform_feedback_buffers[index] = NULL_BINDING;
         return;
     }
-    const BufferId buffer_id = FindBuffer(*device_addr, size, false);
+    const BufferId buffer_id = FindBuffer(*device_addr, size);
     channel_state->transform_feedback_buffers[index] = Binding{
         .device_addr = *device_addr,
         .size = size,
@@ -1494,7 +1407,7 @@ void BufferCache<P>::UpdateComputeUniformBuffers() {
                 binding.size = cbuf.size;
             }
         }
-        binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
+        binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
     });
 }
 
@@ -1503,10 +1416,7 @@ void BufferCache<P>::UpdateComputeStorageBuffers() {
     ForEachEnabledBit(channel_state->enabled_compute_storage_buffers, [&](u32 index) {
         // Resolve buffer
         Binding& binding = channel_state->compute_storage_buffers[index];
-        binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
-        const bool is_written =
-            ((channel_state->written_compute_storage_buffers >> index) & 1) != 0;
-        ResolveMultiRangeStorage(binding, is_written, compute_segments);
+        binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
     });
 }
 
@@ -1514,7 +1424,7 @@ template <class P>
 void BufferCache<P>::UpdateComputeTextureBuffers() {
     ForEachEnabledBit(channel_state->enabled_compute_texture_buffers, [&](u32 index) {
         Binding& binding = channel_state->compute_texture_buffers[index];
-        binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
+        binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
     });
 }
 
@@ -1530,7 +1440,7 @@ void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, DAddr device_addr, u3
 }
 
 template <class P>
-BufferId BufferCache<P>::FindBuffer(DAddr device_addr, u32 size, bool sparse_compatible) {
+BufferId BufferCache<P>::FindBuffer(DAddr device_addr, u32 size) {
     if (device_addr == 0) {
         return NULL_BUFFER_ID;
     }
@@ -1540,18 +1450,10 @@ BufferId BufferCache<P>::FindBuffer(DAddr device_addr, u32 size, bool sparse_com
         Buffer& buffer = slot_buffers[buffer_id];
         WaitForGpuFenceIfNeeded(buffer);
         if (buffer.IsInBounds(device_addr, size)) {
-            bool usable = true;
-            if constexpr (requires { buffer.IsSparseCompatible(); }) {
-                if (sparse_compatible && !buffer.IsSparseCompatible()) {
-                    usable = false;
-                }
-            }
-            if (usable) {
-                return buffer_id;
-            }
+            return buffer_id;
         }
     }
-    return CreateBuffer(device_addr, size, sparse_compatible);
+    return CreateBuffer(device_addr, size);
 }
 
 template <class P>
@@ -1673,15 +1575,13 @@ void BufferCache<P>::JoinOverlap(BufferId new_buffer_id, BufferId overlap_id,
 }
 
 template <class P>
-BufferId BufferCache<P>::CreateBuffer(DAddr device_addr, u32 wanted_size,
-                                      bool sparse_compatible) {
+BufferId BufferCache<P>::CreateBuffer(DAddr device_addr, u32 wanted_size) {
     DAddr device_addr_end = Common::AlignUp(device_addr + wanted_size, CACHING_PAGESIZE);
     device_addr = Common::AlignDown(device_addr, CACHING_PAGESIZE);
     wanted_size = static_cast<u32>(device_addr_end - device_addr);
     const OverlapResult overlap = ResolveOverlaps(device_addr, wanted_size);
     const u32 size = static_cast<u32>(overlap.end - overlap.begin);
-    const BufferId new_buffer_id =
-        slot_buffers.insert(runtime, overlap.begin, size, sparse_compatible);
+    const BufferId new_buffer_id = slot_buffers.insert(runtime, overlap.begin, size);
     auto& new_buffer = slot_buffers[new_buffer_id];
     const size_t size_bytes = new_buffer.SizeBytes();
     runtime.ClearBuffer(new_buffer, 0, size_bytes, 0);
@@ -1845,7 +1745,7 @@ void BufferCache<P>::InlineMemoryImplementation(DAddr dest_address, size_t copy_
     ClearDownload(dest_address, copy_size);
     gpu_modified_ranges.Subtract(dest_address, copy_size);
 
-    BufferId buffer_id = FindBuffer(dest_address, static_cast<u32>(copy_size), false);
+    BufferId buffer_id = FindBuffer(dest_address, static_cast<u32>(copy_size));
     auto& buffer = slot_buffers[buffer_id];
     SynchronizeBuffer(buffer, dest_address, static_cast<u32>(copy_size));
 
@@ -1931,9 +1831,6 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, DAddr device_addr, u64
 
 template <class P>
 void BufferCache<P>::DeleteBuffer(BufferId buffer_id, bool do_not_mark) {
-    if constexpr (requires { runtime.OnBufferDeleted(slot_buffers[buffer_id]); }) {
-        runtime.OnBufferDeleted(slot_buffers[buffer_id]);
-    }
     bool dirty_index{false};
     boost::container::small_vector<u64, NUM_VERTEX_BUFFERS> dirty_vertex_buffers;
     const auto scalar_replace = [buffer_id](Binding& binding) {
@@ -2037,14 +1934,9 @@ Binding BufferCache<P>::StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index,
     // The end address used for size calculation does not need to be aligned
     const DAddr cpu_end = Common::AlignUp(*device_addr + size, Core::DEVICE_PAGESIZE);
 
-    u32 binding_size = static_cast<u32>(cpu_end - *aligned_device_addr);
-    if (is_written) {
-        binding_size = aligned_size;
-    }
     const Binding binding{
         .device_addr = *aligned_device_addr,
-        .gpu_addr = aligned_gpu_addr,
-        .size = binding_size,
+        .size = is_written ? aligned_size : static_cast<u32>(cpu_end - *aligned_device_addr),
         .buffer_id = BufferId{},
     };
     return binding;

src/video_core/buffer_cache/buffer_cache_base.h

@@ -29,7 +29,6 @@
 #include "common/settings.h"
 #include "common/slot_vector.h"
 #include "video_core/buffer_cache/buffer_base.h"
-#include "video_core/buffer_cache/virtual_range_cache.h"
 #include "video_core/control/channel_state_cache.h"
 #include "video_core/delayed_destruction_ring.h"
 #include "video_core/dirty_flags.h"
@@ -82,17 +81,8 @@ static constexpr u32 DEFAULT_SKIP_CACHE_SIZE = static_cast<u32>(4_KiB);
 
 struct Binding {
     DAddr device_addr{};
-    GPUVAddr gpu_addr{};
     u32 size{};
     BufferId buffer_id;
-    u32 segment_first{};
-    u32 segment_count{};
-};
-
-struct MultiRangeSegment {
-    BufferId buffer_id;
-    DAddr device_addr{};
-    u32 size{};
 };
 
 struct TextureBufferBinding : Binding {
@@ -225,14 +215,6 @@ public:
 
     void TickFrame();
 
-    bool BindMultiRangeStorage(const Binding& binding, bool is_written,
-                               std::span<const MultiRangeSegment> pool);
-
-    void ResolveMultiRangeStorage(Binding& binding, bool is_written,
-                                  std::vector<MultiRangeSegment>& pool);
-
-    void UnmapGPUMemory(size_t as_id, GPUVAddr gpu_addr, size_t size);
-
     void WriteMemory(DAddr device_addr, u64 size);
 
     void CachedWriteMemory(DAddr device_addr, u64 size);
@@ -432,7 +414,7 @@ private:
 
     void MarkWrittenBuffer(BufferId buffer_id, DAddr device_addr, u32 size);
 
-    [[nodiscard]] BufferId FindBuffer(DAddr device_addr, u32 size, bool sparse_compatible);
+    [[nodiscard]] BufferId FindBuffer(DAddr device_addr, u32 size);
 
     void WaitForGpuFenceIfNeeded(Buffer& buffer);
 
@@ -440,8 +422,7 @@ private:
 
     void JoinOverlap(BufferId new_buffer_id, BufferId overlap_id, bool accumulate_stream_score);
 
-    [[nodiscard]] BufferId CreateBuffer(DAddr device_addr, u32 wanted_size,
-                                        bool sparse_compatible);
+    [[nodiscard]] BufferId CreateBuffer(DAddr device_addr, u32 wanted_size);
 
     void Register(BufferId buffer_id);
 
@@ -532,9 +513,6 @@ private:
         using TickType = u64;
     };
     Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache;
-    VirtualRangeCache virtual_ranges;
-    std::vector<MultiRangeSegment> graphics_segments;
-    std::vector<MultiRangeSegment> compute_segments;
     u64 frame_tick = 0;
     u64 total_used_memory = 0;
     u64 minimum_memory = 0;

src/video_core/buffer_cache/virtual_range_cache.h

@@ -1,173 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#pragma once
-
-#include <atomic>
-#include <limits>
-#include <mutex>
-#include <optional>
-#include <vector>
-
-#include <boost/container/small_vector.hpp>
-
-#include "common/common_types.h"
-#include "common/container/unordered_map.h"
-#include "video_core/memory_manager.h"
-
-namespace VideoCommon {
-
-struct VirtualSegment {
-    GPUVAddr gpu_addr;
-    DAddr device_addr;
-    u32 size;
-};
-
-using VirtualSegments = boost::container::small_vector<VirtualSegment, 8>;
-
-class VirtualRangeCache {
-public:
-    static constexpr size_t MAX_ENTRIES = 8192;
-    static constexpr size_t MAX_DEFERRED = 4096;
-
-    const VirtualSegments* Query(Tegra::MemoryManager& memory, GPUVAddr gpu_addr, u32 size) {
-        if (has_deferred.load(std::memory_order_acquire)) {
-            ApplyDeferred();
-        }
-        if (entries.size() > MAX_ENTRIES) {
-            entries.clear();
-        }
-        const size_t as_id = memory.GetID();
-        const u64 key = MakeKey(as_id, gpu_addr);
-        const auto it = entries.find(key);
-        if (it != entries.end() && it->second.as_id == as_id &&
-            it->second.gpu_addr == gpu_addr && it->second.size == size) {
-            return &it->second.segments;
-        }
-        Entry entry{};
-        entry.as_id = as_id;
-        entry.gpu_addr = gpu_addr;
-        entry.size = size;
-        const auto ranges = memory.GetSubmappedRange(gpu_addr, size);
-        GPUVAddr expected = gpu_addr;
-        bool contiguous = true;
-        for (const auto& [range_addr, range_size] : ranges) {
-            if (range_addr != expected || range_size == 0) {
-                contiguous = false;
-                break;
-            }
-            const std::optional<DAddr> device_addr = memory.GpuToCpuAddress(range_addr);
-            if (!device_addr || *device_addr == 0) {
-                contiguous = false;
-                break;
-            }
-            if (range_size > static_cast<size_t>((std::numeric_limits<u32>::max)())) {
-                contiguous = false;
-                break;
-            }
-            entry.segments.push_back(VirtualSegment{
-                .gpu_addr = range_addr,
-                .device_addr = *device_addr,
-                .size = static_cast<u32>(range_size),
-            });
-            expected += range_size;
-        }
-        if (!contiguous || expected != gpu_addr + size) {
-            entry.segments.clear();
-        }
-        const auto result = entries.insert_or_assign(key, std::move(entry));
-        return &result.first->second.segments;
-    }
-
-    void Unmap(size_t as_id, GPUVAddr gpu_addr, u64 size) {
-        if (size == 0) {
-            return;
-        }
-        {
-            std::scoped_lock lock{deferred_mutex};
-            if (!deferred.empty()) {
-                DeferredUnmap& last = deferred.back();
-                if (last.as_id == as_id && last.gpu_addr + last.size == gpu_addr) {
-                    last.size += size;
-                    has_deferred.store(true, std::memory_order_release);
-                    return;
-                }
-            }
-            if (deferred.size() >= MAX_DEFERRED) {
-                deferred.clear();
-                deferred_overflow = true;
-            } else {
-                deferred.push_back(DeferredUnmap{
-                    .as_id = as_id,
-                    .gpu_addr = gpu_addr,
-                    .size = size,
-                });
-            }
-        }
-        has_deferred.store(true, std::memory_order_release);
-    }
-
-private:
-    struct Entry {
-        VirtualSegments segments;
-        size_t as_id{};
-        GPUVAddr gpu_addr{};
-        u32 size{};
-    };
-
-    struct DeferredUnmap {
-        size_t as_id;
-        GPUVAddr gpu_addr;
-        u64 size;
-    };
-
-    static u64 MakeKey(size_t as_id, GPUVAddr gpu_addr) {
-        return (static_cast<u64>(as_id) << 48) ^ gpu_addr;
-    }
-
-    void ApplyDeferred() {
-        std::vector<DeferredUnmap> pending;
-        bool overflow = false;
-        {
-            std::scoped_lock lock{deferred_mutex};
-            has_deferred.store(false, std::memory_order_release);
-            pending.swap(deferred);
-            overflow = deferred_overflow;
-            deferred_overflow = false;
-        }
-        if (overflow) {
-            entries.clear();
-            return;
-        }
-        if (pending.empty() || entries.empty()) {
-            return;
-        }
-        for (auto it = entries.begin(); it != entries.end();) {
-            const Entry& entry = it->second;
-            const GPUVAddr entry_end = entry.gpu_addr + entry.size;
-            bool overlaps = false;
-            for (const DeferredUnmap& unmap : pending) {
-                if (unmap.as_id != entry.as_id) {
-                    continue;
-                }
-                if (entry.gpu_addr < unmap.gpu_addr + unmap.size && unmap.gpu_addr < entry_end) {
-                    overlaps = true;
-                    break;
-                }
-            }
-            if (overlaps) {
-                it = entries.erase(it);
-            } else {
-                ++it;
-            }
-        }
-    }
-
-    ::Common::unordered_map<u64, Entry> entries;
-    std::vector<DeferredUnmap> deferred;
-    std::mutex deferred_mutex;
-    std::atomic<bool> has_deferred{false};
-    bool deferred_overflow{};
-};
-
-} // namespace VideoCommon

src/video_core/renderer_opengl/gl_buffer_cache.cpp

@@ -52,7 +52,7 @@ constexpr std::array PROGRAM_LUT{
 Buffer::Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params)
     : VideoCommon::BufferBase(null_params) {}
 
-Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_, bool)
+Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_)
     : VideoCommon::BufferBase(cpu_addr_, size_bytes_) {
     buffer.Create();
     if (runtime.device.HasDebuggingToolAttached()) {

src/video_core/renderer_opengl/gl_buffer_cache.h

@@ -23,8 +23,7 @@ class BufferCacheRuntime;
 
 class Buffer : public VideoCommon::BufferBase {
 public:
-    explicit Buffer(BufferCacheRuntime&, DAddr cpu_addr, u64 size_bytes,
-                    bool sparse_compatible);
+    explicit Buffer(BufferCacheRuntime&, DAddr cpu_addr, u64 size_bytes);
     explicit Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams);
 
     void ImmediateUpload(size_t offset, std::span<const u8> data) noexcept;

src/video_core/renderer_vulkan/vk_buffer_cache.cpp

@@ -56,8 +56,7 @@ size_t BytesPerIndex(VkIndexType index_type) {
     }
 }
 
-vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allocator, u64 size,
-                        VkDeviceSize sparse_alignment) {
+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 |
@@ -83,9 +82,6 @@ vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allo
         .queueFamilyIndexCount = 0,
         .pQueueFamilyIndices = nullptr,
     };
-    if (sparse_alignment > 1) {
-        return memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal, sparse_alignment);
-    }
     return memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
 }
 } // Anonymous namespace
@@ -103,14 +99,10 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCommon::NullBufferParams null_p
     }
 }
 
-Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_,
-               bool sparse_compatible_)
+Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_)
     : VideoCommon::BufferBase(cpu_addr_, size_bytes_), device{&runtime.device},
       scheduler{&runtime.scheduler},
-      buffer{CreateBuffer(*device, runtime.memory_allocator, SizeBytes(),
-                          runtime.SparseAlignmentFor(sparse_compatible_))},
-      tracker{SizeBytes()} {
-    sparse_compatible = sparse_compatible_;
+      buffer{CreateBuffer(*device, runtime.memory_allocator, SizeBytes())}, tracker{SizeBytes()} {
     if (runtime.device.HasDebuggingToolAttached()) {
         buffer.SetObjectNameEXT(fmt::format("Buffer {:#x}", CpuAddr()).c_str());
     }
@@ -356,8 +348,7 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_, MemoryAllocator& m
     : device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_},
       staging_pool{staging_pool_}, guest_descriptor_queue{guest_descriptor_queue_},
       quad_index_pass(device, scheduler, descriptor_pool, staging_pool,
-                      compute_pass_descriptor_queue),
-      multi_range_buffers(device_) {
+                      compute_pass_descriptor_queue) {
     const VkDriverIdKHR driver_id = device.GetDriverID();
     limit_dynamic_storage_buffers = driver_id == VK_DRIVER_ID_QUALCOMM_PROPRIETARY ||
                                     driver_id == VK_DRIVER_ID_ARM_PROPRIETARY;
@@ -545,37 +536,6 @@ void BufferCacheRuntime::ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t si
     });
 }
 
-bool BufferCacheRuntime::BindMultiRangeStorageBuffer(u64 key, bool is_written) {
-    if (multi_range_sources.empty() || multi_range_total == 0) {
-        return false;
-    }
-    const MultiRangeRef ref = multi_range_buffers.Get(device, scheduler, memory_allocator, key,
-                                                     multi_range_sources, multi_range_total);
-    if (ref.handle == VK_NULL_HANDLE) {
-        return false;
-    }
-    if (is_written && !ref.sparse) {
-        return false;
-    }
-    if (ref.needs_gather) {
-        PreCopyBarrier();
-        VkDeviceSize dst_offset = 0;
-        for (const MultiRangeSource& source : multi_range_sources) {
-            const std::array<VideoCommon::BufferCopy, 1> copy{VideoCommon::BufferCopy{
-                .src_offset = u64(source.offset),
-                .dst_offset = u64(dst_offset),
-                .size = size_t(source.size),
-            }};
-            CopyBuffer(ref.handle, source.handle, copy, false);
-            dst_offset += source.size;
-        }
-        PostCopyBarrier();
-        multi_range_buffers.MarkGathered(key);
-    }
-    guest_descriptor_queue.AddBuffer(ref.handle, ref.address, 0, ref.size);
-    return true;
-}
-
 void BufferCacheRuntime::BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format,
                                          u32 base_vertex, u32 num_indices, VkBuffer buffer,
                                          u32 offset, [[maybe_unused]] u32 size) {

src/video_core/renderer_vulkan/vk_buffer_cache.h

@@ -8,14 +8,11 @@
 
 #include <limits>
 
-#include <boost/container/small_vector.hpp>
-
 #include "video_core/buffer_cache/buffer_cache_base.h"
 #include "video_core/buffer_cache/memory_tracker_base.h"
 #include "video_core/buffer_cache/usage_tracker.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_vulkan/vk_compute_pass.h"
-#include "video_core/renderer_vulkan/vk_multi_range_buffer.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"
@@ -34,8 +31,7 @@ class BufferCacheRuntime;
 class Buffer : public VideoCommon::BufferBase {
 public:
     explicit Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params);
-    explicit Buffer(BufferCacheRuntime& runtime, VAddr cpu_addr_, u64 size_bytes_,
-                    bool sparse_compatible_);
+    explicit Buffer(BufferCacheRuntime& runtime, VAddr cpu_addr_, u64 size_bytes_);
 
     [[nodiscard]] VkBufferView View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format);
 
@@ -47,14 +43,6 @@ public:
         return device_address;
     }
 
-    [[nodiscard]] bool IsSparseCompatible() const noexcept {
-        return sparse_compatible;
-    }
-
-    [[nodiscard]] vk::MemoryLocation Location() const noexcept {
-        return buffer.Location();
-    }
-
     [[nodiscard]] bool IsRegionUsed(u64 offset, u64 size) const noexcept {
         return tracker.IsUsed(offset, size);
     }
@@ -89,7 +77,6 @@ private:
     VkDeviceAddress device_address{};
     u64 last_usage_tick{};
     bool is_null{};
-    bool sparse_compatible{};
 };
 
 class QuadArrayIndexBuffer;
@@ -138,7 +125,7 @@ public:
 
     void PreCopyBarrier();
 
-    void CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
+    void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
                     std::span<const VideoCommon::BufferCopy> copies, bool barrier,
                     bool can_reorder_upload = false);
 
@@ -168,46 +155,6 @@ public:
         return ref.mapped_span;
     }
 
-    [[nodiscard]] VkDeviceSize SparseAlignmentFor(bool sparse_compatible) const noexcept {
-        if (!sparse_compatible || !multi_range_buffers.use_sparse) {
-            return 0;
-        }
-        return multi_range_buffers.block_size;
-    }
-
-    [[nodiscard]] bool PrefersSparseSources() const noexcept {
-        return multi_range_buffers.use_sparse;
-    }
-
-    void ResetMultiRange() noexcept {
-        multi_range_sources.clear();
-        multi_range_total = 0;
-    }
-
-    void PushMultiRangeSource(const Buffer& buffer, u32 offset, u32 size) {
-        const vk::MemoryLocation location = buffer.Location();
-        multi_range_sources.push_back(MultiRangeSource{
-            .handle = buffer.Handle(),
-            .memory = location.memory,
-            .memory_offset = location.offset,
-            .offset = offset,
-            .size = size,
-            .write_tick = buffer.getWriteTick(),
-            .memory_type = location.memory_type,
-        });
-        multi_range_total += size;
-    }
-
-    bool BindMultiRangeStorageBuffer(u64 key, bool is_written);
-
-    void InvalidateMultiRange(u64 key) {
-        multi_range_buffers.Invalidate(key);
-    }
-
-    void OnBufferDeleted(const Buffer& buffer) {
-        multi_range_buffers.DropOwner(scheduler, buffer.Handle());
-    }
-
     void BindUniformBuffer(const Buffer& buffer, u32 offset, u32 size) {
         BindBuffer(buffer, offset, size);
     }
@@ -261,10 +208,6 @@ private:
     std::unique_ptr<Uint8Pass> uint8_pass;
     QuadIndexedPass quad_index_pass;
 
-    MultiRangeBufferCache multi_range_buffers;
-    boost::container::small_vector<MultiRangeSource, 16> multi_range_sources;
-    VkDeviceSize multi_range_total{};
-
     bool limit_dynamic_storage_buffers = false;
     u32 max_dynamic_storage_buffers = (std::numeric_limits<u32>::max)();
 };

src/video_core/renderer_vulkan/vk_multi_range_buffer.cpp

@@ -1,338 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include <algorithm>
-#include <mutex>
-#include <utility>
-
-#include "video_core/renderer_vulkan/vk_multi_range_buffer.h"
-#include "video_core/renderer_vulkan/vk_scheduler.h"
-#include "video_core/vulkan_common/vulkan_device.h"
-
-namespace Vulkan {
-
-MultiRangeBufferCache::MultiRangeBufferCache(const Device& device) {
-    sparse_usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
-                   VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
-    if (device.IsBufferDeviceAddressSupported()) {
-        sparse_usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
-    }
-    if (!device.IsSparseBindingSupported()) {
-        return;
-    }
-    u32 memory_type_bits = 0;
-    const VkDeviceSize queried = QueryBlockSize(device, memory_type_bits);
-    if (queried == 0 || memory_type_bits == 0) {
-        return;
-    }
-    block_size = queried;
-    sparse_memory_type_bits = memory_type_bits;
-    use_sparse = true;
-}
-
-VkDeviceSize MultiRangeBufferCache::QueryBlockSize(const Device& device,
-                                                   u32& memory_type_bits) const {
-    const VkDevice logical = *device.GetLogical();
-    const auto& dld = device.GetDispatchLoader();
-    const VkBufferCreateInfo probe_ci{
-        .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
-        .pNext = nullptr,
-        .flags = VK_BUFFER_CREATE_SPARSE_BINDING_BIT | VK_BUFFER_CREATE_SPARSE_ALIASED_BIT,
-        .size = DEFAULT_BLOCK_SIZE,
-        .usage = sparse_usage,
-        .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
-        .queueFamilyIndexCount = 0,
-        .pQueueFamilyIndices = nullptr,
-    };
-    VkBuffer probe{};
-    if (dld.vkCreateBuffer(logical, &probe_ci, nullptr, &probe) != VK_SUCCESS) {
-        return 0;
-    }
-    const SparseBuffer owned{probe, logical, dld};
-    const VkBufferMemoryRequirementsInfo2 reqs_info{
-        .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2,
-        .pNext = nullptr,
-        .buffer = probe,
-    };
-    VkMemoryRequirements2 reqs2{
-        .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
-        .pNext = nullptr,
-        .memoryRequirements = {},
-    };
-    dld.vkGetBufferMemoryRequirements2(logical, &reqs_info, &reqs2);
-    memory_type_bits = reqs2.memoryRequirements.memoryTypeBits;
-    return reqs2.memoryRequirements.alignment;
-}
-
-u64 MultiRangeBufferCache::HashSources(std::span<const MultiRangeSource> sources) const {
-    u64 hash = 0xcbf29ce484222325ULL;
-    const auto mix = [&hash](u64 value) {
-        hash ^= value;
-        hash *= 0x100000001b3ULL;
-    };
-    for (const MultiRangeSource& source : sources) {
-        mix(u64(source.handle));
-        mix(u64(source.offset));
-        mix(u64(source.size));
-    }
-    return hash;
-}
-
-u64 MultiRangeBufferCache::HashContent(std::span<const MultiRangeSource> sources) const {
-    u64 hash = 0xcbf29ce484222325ULL;
-    for (const MultiRangeSource& source : sources) {
-        hash ^= source.write_tick;
-        hash *= 0x100000001b3ULL;
-    }
-    return hash;
-}
-
-bool MultiRangeBufferCache::CanBindSparse(std::span<const MultiRangeSource> sources) const {
-    return use_sparse &&
-           std::none_of(sources.begin(), sources.end(),
-                        [block = block_size, bits = sparse_memory_type_bits](auto const& e) {
-                            const VkDeviceSize memory_offset = e.memory_offset + e.offset;
-                            return e.memory == VK_NULL_HANDLE || e.memory_type >= 32 ||
-                                   ((bits >> e.memory_type) & 1) == 0 ||
-                                   (memory_offset % block) != 0 || (e.size % block) != 0;
-                        });
-}
-
-SparseBuffer MultiRangeBufferCache::CreateSparse(const Device& device, Scheduler& scheduler,
-                                                 std::span<const MultiRangeSource> sources,
-                                                 VkDeviceSize total) {
-    const VkDevice logical = *device.GetLogical();
-    const auto& dld = device.GetDispatchLoader();
-    const VkBufferCreateInfo buffer_ci{
-        .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
-        .pNext = nullptr,
-        .flags = VK_BUFFER_CREATE_SPARSE_BINDING_BIT | VK_BUFFER_CREATE_SPARSE_ALIASED_BIT,
-        .size = total,
-        .usage = sparse_usage,
-        .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
-        .queueFamilyIndexCount = 0,
-        .pQueueFamilyIndices = nullptr,
-    };
-    VkBuffer raw{};
-    if (dld.vkCreateBuffer(logical, &buffer_ci, nullptr, &raw) != VK_SUCCESS) {
-        return SparseBuffer{};
-    }
-    SparseBuffer handle{raw, logical, dld};
-    std::vector<VkSparseMemoryBind> binds;
-    binds.reserve(sources.size());
-    VkDeviceSize resource_offset = 0;
-    for (const MultiRangeSource& source : sources) {
-        binds.push_back(VkSparseMemoryBind{
-            .resourceOffset = resource_offset,
-            .size = source.size,
-            .memory = source.memory,
-            .memoryOffset = source.memory_offset + source.offset,
-            .flags = 0,
-        });
-        resource_offset += source.size;
-    }
-    const VkSparseBufferMemoryBindInfo buffer_bind{
-        .buffer = raw,
-        .bindCount = static_cast<u32>(binds.size()),
-        .pBinds = binds.data(),
-    };
-    const VkBindSparseInfo bind_info{
-        .sType = VK_STRUCTURE_TYPE_BIND_SPARSE_INFO,
-        .pNext = nullptr,
-        .waitSemaphoreCount = 0,
-        .pWaitSemaphores = nullptr,
-        .bufferBindCount = 1,
-        .pBufferBinds = &buffer_bind,
-        .imageOpaqueBindCount = 0,
-        .pImageOpaqueBinds = nullptr,
-        .imageBindCount = 0,
-        .pImageBinds = nullptr,
-        .signalSemaphoreCount = 0,
-        .pSignalSemaphores = nullptr,
-    };
-    const VkFenceCreateInfo fence_ci{
-        .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
-        .pNext = nullptr,
-        .flags = 0,
-    };
-    vk::Fence fence = device.GetLogical().CreateFence(fence_ci);
-    VkResult bind_result = VK_ERROR_UNKNOWN;
-    {
-        std::scoped_lock lock{scheduler.submit_mutex};
-        bind_result = device.GetGraphicsQueue().BindSparse(bind_info, *fence);
-    }
-    if (bind_result != VK_SUCCESS) {
-        return SparseBuffer{};
-    }
-    fence.Wait();
-    return handle;
-}
-
-void MultiRangeBufferCache::RetireEntry(Scheduler& scheduler, Entry& entry) {
-    if (!entry.sparse_handle && !entry.gathered) {
-        return;
-    }
-    if (retired.size() == retired.capacity()) {
-        DrainRetired(scheduler);
-    }
-    if (retired.size() == retired.capacity()) {
-        u64 oldest = retired.front().tick;
-        for (const Retired& item : retired) {
-            if (item.tick < oldest) {
-                oldest = item.tick;
-            }
-        }
-        scheduler.Wait(oldest);
-        DrainRetired(scheduler);
-    }
-    retired.push_back(Retired{
-        .handle = std::move(entry.sparse_handle),
-        .gathered = std::move(entry.gathered),
-        .tick = scheduler.CurrentTick(),
-    });
-}
-
-void MultiRangeBufferCache::DrainRetired(Scheduler& scheduler) {
-    size_t index = 0;
-    while (index < retired.size()) {
-        if (scheduler.IsFree(retired[index].tick)) {
-            if (index + 1 != retired.size()) {
-                retired[index] = std::move(retired.back());
-            }
-            retired.pop_back();
-        } else {
-            ++index;
-        }
-    }
-}
-
-MultiRangeRef MultiRangeBufferCache::Get(const Device& device, Scheduler& scheduler,
-                                         MemoryAllocator& memory_allocator, u64 key,
-                                         std::span<const MultiRangeSource> sources,
-                                         VkDeviceSize total) {
-    if (sources.empty() || total == 0) {
-        return MultiRangeRef{};
-    }
-    if (!retired.empty()) {
-        DrainRetired(scheduler);
-    }
-    const u64 geometry = HashSources(sources);
-    const u64 content = HashContent(sources);
-    const auto it = entries.find(key);
-    if (it != entries.end() && it->second.geometry == geometry && it->second.size == total) {
-        Entry& entry = it->second;
-        if (entry.content != content) {
-            entry.content = content;
-            entry.dirty = true;
-        }
-        MultiRangeRef ref{
-            .handle = *entry.sparse_handle,
-            .address = entry.address,
-            .size = entry.size,
-            .sparse = true,
-            .needs_gather = false,
-        };
-        if (!entry.sparse_handle) {
-            ref.handle = *entry.gathered;
-            ref.sparse = false;
-            ref.needs_gather = entry.dirty;
-        }
-        return ref;
-    }
-    if (it != entries.end()) {
-        RetireEntry(scheduler, it->second);
-        entries.erase(it);
-    }
-
-    Entry entry{};
-    entry.geometry = geometry;
-    entry.content = content;
-    entry.size = total;
-    if (CanBindSparse(sources)) {
-        entry.sparse_handle = CreateSparse(device, scheduler, sources, total);
-        if (entry.sparse_handle) {
-            entry.owners.reserve(sources.size());
-            for (const MultiRangeSource& source : sources) {
-                entry.owners.push_back(source.handle);
-            }
-        }
-    }
-    if (!entry.sparse_handle) {
-        VkBufferUsageFlags flags = VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
-                                   VK_BUFFER_USAGE_TRANSFER_DST_BIT |
-                                   VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
-        if (device.IsBufferDeviceAddressSupported()) {
-            flags |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
-        }
-        const VkBufferCreateInfo gather_ci{
-            .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
-            .pNext = nullptr,
-            .flags = 0,
-            .size = total,
-            .usage = flags,
-            .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
-            .queueFamilyIndexCount = 0,
-            .pQueueFamilyIndices = nullptr,
-        };
-        entry.gathered = memory_allocator.CreateBuffer(gather_ci, MemoryUsage::DeviceLocal);
-        entry.dirty = true;
-    }
-    if (device.IsBufferDeviceAddressSupported()) {
-        VkBuffer address_handle = *entry.sparse_handle;
-        if (!entry.sparse_handle) {
-            address_handle = *entry.gathered;
-        }
-        entry.address = device.GetLogical().GetBufferDeviceAddress(address_handle);
-    }
-
-    MultiRangeRef ref{
-        .handle = *entry.sparse_handle,
-        .address = entry.address,
-        .size = entry.size,
-        .sparse = true,
-        .needs_gather = false,
-    };
-    if (!entry.sparse_handle) {
-        ref.handle = *entry.gathered;
-        ref.sparse = false;
-        ref.needs_gather = true;
-    }
-    entries.emplace(key, std::move(entry));
-    return ref;
-}
-
-void MultiRangeBufferCache::MarkGathered(u64 key) {
-    if (auto const it = entries.find(key); it != entries.end()) {
-        it->second.dirty = false;
-    }
-}
-
-void MultiRangeBufferCache::DropOwner(Scheduler& scheduler, VkBuffer owner) {
-    if (owner == VK_NULL_HANDLE) {
-        return;
-    }
-    for (auto it = entries.begin(); it != entries.end();) {
-        Entry& entry = it->second;
-        bool owned = false;
-        for (const VkBuffer handle : entry.owners) {
-            if (handle == owner) {
-                owned = true;
-                break;
-            }
-        }
-        if (!owned) {
-            ++it;
-            continue;
-        }
-        RetireEntry(scheduler, entry);
-        it = entries.erase(it);
-    }
-}
-
-void MultiRangeBufferCache::Invalidate(u64 key) {
-    if (auto const it = entries.find(key); it != entries.end()) {
-        it->second.dirty = true;
-    }
-}
-
-} // namespace Vulkan

src/video_core/renderer_vulkan/vk_multi_range_buffer.h

@@ -1,105 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#pragma once
-
-#include <span>
-#include <vector>
-
-#include <boost/container/static_vector.hpp>
-
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/container/unordered_map.h"
-#include "video_core/vulkan_common/vulkan_memory_allocator.h"
-#include "video_core/vulkan_common/vulkan_wrapper.h"
-
-namespace Vulkan {
-
-using SparseBuffer = vk::Handle<VkBuffer, VkDevice, vk::DeviceDispatch>;
-
-class Device;
-class Scheduler;
-
-struct MultiRangeSource {
-    VkBuffer handle{};
-    VkDeviceMemory memory{};
-    VkDeviceSize memory_offset{};
-    VkDeviceSize offset{};
-    VkDeviceSize size{};
-    u64 write_tick{};
-    u32 memory_type{};
-};
-
-struct MultiRangeRef {
-    VkBuffer handle{};
-    VkDeviceAddress address{};
-    VkDeviceSize size{};
-    bool sparse{};
-    bool needs_gather{};
-};
-
-class MultiRangeBufferCache final {
-public:
-    static constexpr VkDeviceSize DEFAULT_BLOCK_SIZE = 64 * 1024;
-    static constexpr size_t MAX_RETIRED = 256;
-
-    explicit MultiRangeBufferCache(const Device& device);
-
-    YUZU_NON_COPYABLE(MultiRangeBufferCache);
-
-    [[nodiscard]] MultiRangeRef Get(const Device& device, Scheduler& scheduler,
-                                    MemoryAllocator& memory_allocator, u64 key,
-                                    std::span<const MultiRangeSource> sources,
-                                    VkDeviceSize total);
-
-    void MarkGathered(u64 key);
-
-    void Invalidate(u64 key);
-
-    void DropOwner(Scheduler& scheduler, VkBuffer owner);
-
-    VkDeviceSize block_size{DEFAULT_BLOCK_SIZE};
-    bool use_sparse{};
-
-private:
-    struct Retired {
-        SparseBuffer handle;
-        vk::Buffer gathered;
-        u64 tick{};
-    };
-
-    struct Entry {
-        vk::Buffer gathered;
-        SparseBuffer sparse_handle;
-        std::vector<VkBuffer> owners;
-        VkDeviceAddress address{};
-        VkDeviceSize size{};
-        u64 geometry{};
-        u64 content{};
-        bool dirty{true};
-    };
-
-    [[nodiscard]] u64 HashSources(std::span<const MultiRangeSource> sources) const;
-
-    [[nodiscard]] u64 HashContent(std::span<const MultiRangeSource> sources) const;
-
-    [[nodiscard]] bool CanBindSparse(std::span<const MultiRangeSource> sources) const;
-
-    [[nodiscard]] SparseBuffer CreateSparse(const Device& device, Scheduler& scheduler,
-                                            std::span<const MultiRangeSource> sources,
-                                            VkDeviceSize total);
-
-    [[nodiscard]] VkDeviceSize QueryBlockSize(const Device& device, u32& memory_type_bits) const;
-
-    void RetireEntry(Scheduler& scheduler, Entry& entry);
-
-    void DrainRetired(Scheduler& scheduler);
-
-    ::Common::unordered_map<u64, Entry> entries;
-    boost::container::static_vector<Retired, MAX_RETIRED> retired;
-    u32 sparse_memory_type_bits{};
-    VkBufferUsageFlags sparse_usage{};
-};
-
-} // namespace Vulkan

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -819,7 +819,6 @@ void RasterizerVulkan::ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) {
         std::scoped_lock lock{texture_cache.mutex};
         texture_cache.UnmapGPUMemory(as_id, addr, size);
     }
-    buffer_cache.UnmapGPUMemory(as_id, addr, size);
 }
 
 void RasterizerVulkan::SignalFence(std::function<void()>&& func) {

src/video_core/vulkan_common/vulkan_device.cpp

@@ -1570,8 +1570,6 @@ void Device::SetupFamilies(VkSurfaceKHR surface) {
     }
     if (graphics) {
         graphics_family = *graphics;
-        graphics_family_sparse_binding =
-            (queue_family_properties[*graphics].queueFlags & VK_QUEUE_SPARSE_BINDING_BIT) != 0;
     }
     if (present) {
         present_family = *present;

src/video_core/vulkan_common/vulkan_device.h

@@ -317,10 +317,6 @@ public:
         return properties.driver.driverID;
     }
 
-    bool IsSparseBindingSupported() const {
-        return features.features.sparseBinding && graphics_family_sparse_binding;
-    }
-
     /// Returns true for tile-based deferred renderers.
     bool IsTiler() const {
         switch (GetDriverID()) {
@@ -1151,7 +1147,6 @@ private:
     u32 instance_version{};      ///< Vulkan instance version.
     u32 graphics_family{};       ///< Main graphics queue family index.
     u32 present_family{};        ///< Main present queue family index.
-    bool graphics_family_sparse_binding{};
 
     struct Extensions {
 #define EXTENSION(prefix, macro_name, var_name) bool var_name{};

src/video_core/vulkan_common/vulkan_memory_allocator.cpp

@@ -275,63 +275,9 @@ vk::Buffer MemoryAllocator::CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsa
     const std::span<u8> mapped_data = data ? std::span<u8>{data, ci.size} : std::span<u8>{};
     const bool is_coherent = (property_flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0;
 
-    const vk::MemoryLocation location{
-        .memory = alloc_info.deviceMemory,
-        .offset = alloc_info.offset,
-        .memory_type = alloc_info.memoryType,
-    };
-    return vk::Buffer(handle, *device.GetLogical(), allocator, allocation, mapped_data, is_coherent,
-                      location, device.GetDispatchLoader());
-}
-
-vk::Buffer MemoryAllocator::CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsage usage,
-                                         VkDeviceSize min_alignment) const {
-    if (min_alignment <= 1) {
-        return CreateBuffer(ci, usage);
-    }
-    VkMemoryPropertyFlags anv_flags = 0;
-    if (usage == MemoryUsage::Stream &&
-        device.GetDriverID() == VK_DRIVER_ID_INTEL_OPEN_SOURCE_MESA) {
-        anv_flags = VK_MEMORY_PROPERTY_HOST_CACHED_BIT;
-    }
-    u32 memory_type_bits = valid_memory_types;
-    if (usage == MemoryUsage::Stream) {
-        memory_type_bits = 0u;
-    }
-    const VmaAllocationCreateInfo alloc_ci = {
-        .flags = VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT | MemoryUsageVmaFlags(usage),
-        .usage = MemoryUsageVma(usage),
-        .requiredFlags = 0,
-        .preferredFlags = MemoryUsagePreferredVmaFlags(usage) | anv_flags,
-        .memoryTypeBits = memory_type_bits,
-        .pool = VK_NULL_HANDLE,
-        .pUserData = nullptr,
-        .priority = 0.f,
-    };
-
-    VkBuffer handle{};
-    VmaAllocationInfo alloc_info{};
-    VmaAllocation allocation{};
-    VkMemoryPropertyFlags property_flags{};
-
-    vk::Check(vmaCreateBufferWithAlignment(allocator, &ci, &alloc_ci, min_alignment, &handle,
-                                           &allocation, &alloc_info));
-    vmaGetAllocationMemoryProperties(allocator, allocation, &property_flags);
-
-    u8 *data = reinterpret_cast<u8 *>(alloc_info.pMappedData);
-    std::span<u8> mapped_data{};
-    if (data) {
-        mapped_data = std::span<u8>{data, ci.size};
-    }
-    const bool is_coherent = (property_flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0;
-
-    const vk::MemoryLocation location{
-        .memory = alloc_info.deviceMemory,
-        .offset = alloc_info.offset,
-        .memory_type = alloc_info.memoryType,
-    };
-    return vk::Buffer(handle, *device.GetLogical(), allocator, allocation, mapped_data, is_coherent,
-                      location, device.GetDispatchLoader());
+    return vk::Buffer(handle, *device.GetLogical(), allocator, allocation, mapped_data,
+                        is_coherent,
+                        device.GetDispatchLoader());
 }
 
 MemoryCommit MemoryAllocator::Commit(const VkMemoryRequirements &reqs, MemoryUsage usage)

src/video_core/vulkan_common/vulkan_memory_allocator.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
@@ -107,9 +107,6 @@ namespace Vulkan {
 
         vk::Buffer CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsage usage) const;
 
-        vk::Buffer CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsage usage,
-                                VkDeviceSize min_alignment) const;
-
         /**
          * Commits a memory with the specified requirements.
          *

src/video_core/vulkan_common/vulkan_wrapper.cpp

@@ -229,7 +229,6 @@ void Load(VkDevice device, DeviceDispatch& dld) noexcept {
     X(vkGetPipelineExecutableStatisticsKHR);
     X(vkGetSemaphoreCounterValue);
     X(vkMapMemory);
-    X(vkQueueBindSparse);
     X(vkQueueSubmit);
     X(vkQueueSubmit2);
     X(vkResetFences);

src/video_core/vulkan_common/vulkan_wrapper.h

@@ -345,7 +345,6 @@ struct DeviceDispatch : InstanceDispatch {
     PFN_vkGetQueryPoolResults vkGetQueryPoolResults{};
     PFN_vkGetSemaphoreCounterValue vkGetSemaphoreCounterValue{};
     PFN_vkMapMemory vkMapMemory{};
-    PFN_vkQueueBindSparse vkQueueBindSparse{};
     PFN_vkQueueSubmit vkQueueSubmit{};
     PFN_vkQueueSubmit2 vkQueueSubmit2{};
     PFN_vkResetFences vkResetFences{};
@@ -741,20 +740,13 @@ private:
     const DeviceDispatch* dld = nullptr;
 };
 
-struct MemoryLocation {
-    VkDeviceMemory memory{};
-    VkDeviceSize offset{};
-    u32 memory_type{};
-};
-
 class Buffer {
 public:
     explicit Buffer(VkBuffer handle_, VkDevice owner_, VmaAllocator allocator_,
                     VmaAllocation allocation_, std::span<u8> mapped_, bool is_coherent_,
-                    MemoryLocation location_, const DeviceDispatch& dld_) noexcept
+                    const DeviceDispatch& dld_) noexcept
         : handle{handle_}, owner{owner_}, allocator{allocator_},
-          allocation{allocation_}, mapped{mapped_}, location{location_},
-          is_coherent{is_coherent_}, dld{&dld_} {}
+          allocation{allocation_}, mapped{mapped_}, is_coherent{is_coherent_}, dld{&dld_} {}
     Buffer() = default;
 
     Buffer(const Buffer&) = delete;
@@ -762,7 +754,7 @@ public:
 
     Buffer(Buffer&& rhs) noexcept
         : handle{std::exchange(rhs.handle, VkBuffer{})}, owner{rhs.owner}, allocator{rhs.allocator},
-          allocation{rhs.allocation}, mapped{rhs.mapped}, location{rhs.location},
+          allocation{rhs.allocation}, mapped{rhs.mapped},
           is_coherent{rhs.is_coherent}, dld{rhs.dld} {}
 
     Buffer& operator=(Buffer&& rhs) noexcept {
@@ -772,7 +764,6 @@ public:
         allocator = rhs.allocator;
         allocation = rhs.allocation;
         mapped = rhs.mapped;
-        location = rhs.location;
         is_coherent = rhs.is_coherent;
         dld = rhs.dld;
         return *this;
@@ -820,10 +811,6 @@ public:
 
     void SetObjectNameEXT(const char* name) const;
 
-    MemoryLocation Location() const noexcept {
-        return location;
-    }
-
 private:
     void Release() const noexcept;
 
@@ -832,7 +819,6 @@ private:
     VmaAllocator allocator = nullptr;
     VmaAllocation allocation = nullptr;
     std::span<u8> mapped = {};
-    MemoryLocation location{};
     bool is_coherent = false;
     const DeviceDispatch* dld = nullptr;
 };
@@ -857,11 +843,6 @@ public:
         return dld->vkQueueSubmit2(queue, submit_infos.size(), submit_infos.data(), fence);
     }
 
-    VkResult BindSparse(Span<VkBindSparseInfo> bind_infos,
-                        VkFence fence = VK_NULL_HANDLE) const noexcept {
-        return dld->vkQueueBindSparse(queue, bind_infos.size(), bind_infos.data(), fence);
-    }
-
     VkResult Present(const VkPresentInfoKHR& present_info) const noexcept {
         return dld->vkQueuePresentKHR(queue, &present_info);
     }