diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index c86849837b..14bd13b8af 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -20,6 +20,7 @@ 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
@@ -166,6 +167,8 @@ 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
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index e40aad1fb5..4c345dd213 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -112,6 +112,13 @@ void BufferCache
::TickFrame() {
async_buffers_death_ring.clear();
}
+template
+void BufferCache::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
void BufferCache::WriteMemory(DAddr device_addr, u64 size) {
if (memory_tracker.IsRegionGpuModified(device_addr, size)) {
@@ -208,8 +215,8 @@ bool BufferCache
::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(amount));
- buffer_b = FindBuffer(*cpu_dest_address, static_cast(amount));
+ buffer_a = FindBuffer(*cpu_src_address, static_cast(amount), false);
+ buffer_b = FindBuffer(*cpu_dest_address, static_cast(amount), false);
} while (channel_state->has_deleted_buffers);
auto& src_buffer = slot_buffers[buffer_a];
auto& dest_buffer = slot_buffers[buffer_b];
@@ -265,7 +272,7 @@ bool BufferCache::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(size));
+ const BufferId buffer = FindBuffer(*cpu_dst_address, static_cast(size), false);
Buffer& dest_buffer = slot_buffers[buffer];
const u32 offset = dest_buffer.Offset(*cpu_dst_address);
runtime.ClearBuffer(dest_buffer, offset, size, value);
@@ -287,7 +294,7 @@ std::pair BufferCache::ObtainBuffer(GPUVAddr gpu_ad
template
std::pair BufferCache::ObtainCPUBuffer(
DAddr device_addr, u32 size, ObtainBufferSynchronize sync_info, ObtainBufferOperation post_op) {
- const BufferId buffer_id = FindBuffer(device_addr, size);
+ const BufferId buffer_id = FindBuffer(device_addr, size, false);
Buffer& buffer = slot_buffers[buffer_id];
// synchronize op
@@ -998,11 +1005,85 @@ void BufferCache
::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
channel_state->fast_bound_uniform_buffers[stage] &= ~(1u << binding_index);
}
+template
+void BufferCache::ResolveMultiRangeStorage(Binding& binding, bool is_written,
+ std::vector& 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(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(segments.size());
+ }
+}
+
+template
+bool BufferCache::BindMultiRangeStorage(const Binding& binding, bool is_written,
+ std::span 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(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
void BufferCache::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;
@@ -1010,7 +1091,6 @@ void BufferCache
::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);
@@ -1139,6 +1219,11 @@ void BufferCache
::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;
@@ -1146,8 +1231,6 @@ void BufferCache
::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);
@@ -1193,6 +1276,7 @@ void BufferCache
::BindHostComputeTextureBuffers() {
template
void BufferCache::DoUpdateGraphicsBuffers(bool is_indexed) {
+ graphics_segments.clear();
BufferOperations([&]() {
if (is_indexed) {
UpdateIndexBuffer();
@@ -1212,6 +1296,7 @@ void BufferCache
::DoUpdateGraphicsBuffers(bool is_indexed) {
template
void BufferCache::DoUpdateComputeBuffers() {
+ compute_segments.clear();
BufferOperations([&]() {
UpdateComputeUniformBuffers();
UpdateComputeStorageBuffers();
@@ -1234,11 +1319,11 @@ void BufferCache
::UpdateIndexBuffer() {
auto inline_index_size = static_cast(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);
+ inline_buffer_id = CreateBuffer(0, buffer_size, false);
}
if (slot_buffers[inline_buffer_id].SizeBytes() < buffer_size) [[unlikely]] {
slot_buffers.erase(inline_buffer_id);
- inline_buffer_id = CreateBuffer(0, buffer_size);
+ inline_buffer_id = CreateBuffer(0, buffer_size, false);
}
channel_state->index_buffer = Binding{
.device_addr = 0,
@@ -1261,7 +1346,7 @@ void BufferCache::UpdateIndexBuffer() {
channel_state->index_buffer = Binding{
.device_addr = *device_addr,
.size = size,
- .buffer_id = FindBuffer(*device_addr, size),
+ .buffer_id = FindBuffer(*device_addr, size, false),
};
}
@@ -1298,7 +1383,7 @@ void BufferCache
::UpdateVertexBuffer(u32 index) {
if (!gpu_memory->IsWithinGPUAddressRange(gpu_addr_end) || size >= 64_MiB) {
size = static_cast(gpu_memory->MaxContinuousRange(gpu_addr_begin, size));
}
- const BufferId buffer_id = FindBuffer(*device_addr, size);
+ const BufferId buffer_id = FindBuffer(*device_addr, size, false);
const Binding binding{
.device_addr = *device_addr,
.size = size,
@@ -1319,7 +1404,7 @@ void BufferCache::UpdateDrawIndirect() {
binding = Binding{
.device_addr = *device_addr,
.size = static_cast(size),
- .buffer_id = FindBuffer(*device_addr, static_cast(size)),
+ .buffer_id = FindBuffer(*device_addr, static_cast(size), false),
};
};
if (current_draw_indirect->include_count) {
@@ -1343,7 +1428,7 @@ void BufferCache::UpdateUniformBuffers(size_t stage) {
channel_state->dirty_uniform_buffers[stage] |= 1U << index;
}
// Resolve buffer
- binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
+ binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
});
}
@@ -1352,8 +1437,10 @@ void BufferCache
::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);
+ const BufferId buffer_id = FindBuffer(binding.device_addr, binding.size, false);
binding.buffer_id = buffer_id;
+ const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
+ ResolveMultiRangeStorage(binding, is_written, graphics_segments);
});
}
@@ -1361,7 +1448,7 @@ template
void BufferCache::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);
+ binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
});
}
@@ -1385,7 +1472,7 @@ void BufferCache
::UpdateTransformFeedbackBuffer(u32 index) {
channel_state->transform_feedback_buffers[index] = NULL_BINDING;
return;
}
- const BufferId buffer_id = FindBuffer(*device_addr, size);
+ const BufferId buffer_id = FindBuffer(*device_addr, size, false);
channel_state->transform_feedback_buffers[index] = Binding{
.device_addr = *device_addr,
.size = size,
@@ -1407,7 +1494,7 @@ void BufferCache
::UpdateComputeUniformBuffers() {
binding.size = cbuf.size;
}
}
- binding.buffer_id = FindBuffer(binding.device_addr, binding.size);
+ binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
});
}
@@ -1416,7 +1503,10 @@ void BufferCache
::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);
+ 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);
});
}
@@ -1424,7 +1514,7 @@ template
void BufferCache::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);
+ binding.buffer_id = FindBuffer(binding.device_addr, binding.size, false);
});
}
@@ -1440,7 +1530,7 @@ void BufferCache
::MarkWrittenBuffer(BufferId buffer_id, DAddr device_addr, u3
}
template
-BufferId BufferCache::FindBuffer(DAddr device_addr, u32 size) {
+BufferId BufferCache
::FindBuffer(DAddr device_addr, u32 size, bool sparse_compatible) {
if (device_addr == 0) {
return NULL_BUFFER_ID;
}
@@ -1450,10 +1540,18 @@ BufferId BufferCache
::FindBuffer(DAddr device_addr, u32 size) {
Buffer& buffer = slot_buffers[buffer_id];
WaitForGpuFenceIfNeeded(buffer);
if (buffer.IsInBounds(device_addr, size)) {
- return buffer_id;
+ bool usable = true;
+ if constexpr (requires { buffer.IsSparseCompatible(); }) {
+ if (sparse_compatible && !buffer.IsSparseCompatible()) {
+ usable = false;
+ }
+ }
+ if (usable) {
+ return buffer_id;
+ }
}
}
- return CreateBuffer(device_addr, size);
+ return CreateBuffer(device_addr, size, sparse_compatible);
}
template
@@ -1575,13 +1673,15 @@ void BufferCache::JoinOverlap(BufferId new_buffer_id, BufferId overlap_id,
}
template
-BufferId BufferCache::CreateBuffer(DAddr device_addr, u32 wanted_size) {
+BufferId BufferCache
::CreateBuffer(DAddr device_addr, u32 wanted_size,
+ bool sparse_compatible) {
DAddr device_addr_end = Common::AlignUp(device_addr + wanted_size, CACHING_PAGESIZE);
device_addr = Common::AlignDown(device_addr, CACHING_PAGESIZE);
wanted_size = static_cast(device_addr_end - device_addr);
const OverlapResult overlap = ResolveOverlaps(device_addr, wanted_size);
const u32 size = static_cast(overlap.end - overlap.begin);
- const BufferId new_buffer_id = slot_buffers.insert(runtime, overlap.begin, size);
+ const BufferId new_buffer_id =
+ slot_buffers.insert(runtime, overlap.begin, size, sparse_compatible);
auto& new_buffer = slot_buffers[new_buffer_id];
const size_t size_bytes = new_buffer.SizeBytes();
runtime.ClearBuffer(new_buffer, 0, size_bytes, 0);
@@ -1745,7 +1845,7 @@ void BufferCache::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(copy_size));
+ BufferId buffer_id = FindBuffer(dest_address, static_cast(copy_size), false);
auto& buffer = slot_buffers[buffer_id];
SynchronizeBuffer(buffer, dest_address, static_cast(copy_size));
@@ -1831,6 +1931,9 @@ void BufferCache::DownloadBufferMemory(Buffer& buffer, DAddr device_addr, u64
template
void BufferCache::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 dirty_vertex_buffers;
const auto scalar_replace = [buffer_id](Binding& binding) {
@@ -1934,9 +2037,14 @@ Binding BufferCache::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(cpu_end - *aligned_device_addr);
+ if (is_written) {
+ binding_size = aligned_size;
+ }
const Binding binding{
.device_addr = *aligned_device_addr,
- .size = is_written ? aligned_size : static_cast(cpu_end - *aligned_device_addr),
+ .gpu_addr = aligned_gpu_addr,
+ .size = binding_size,
.buffer_id = BufferId{},
};
return binding;
diff --git a/src/video_core/buffer_cache/buffer_cache_base.h b/src/video_core/buffer_cache/buffer_cache_base.h
index 0a521192c6..0dbb368c47 100644
--- a/src/video_core/buffer_cache/buffer_cache_base.h
+++ b/src/video_core/buffer_cache/buffer_cache_base.h
@@ -29,6 +29,7 @@
#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"
@@ -81,8 +82,17 @@ static constexpr u32 DEFAULT_SKIP_CACHE_SIZE = static_cast(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 {
@@ -215,6 +225,14 @@ public:
void TickFrame();
+ bool BindMultiRangeStorage(const Binding& binding, bool is_written,
+ std::span pool);
+
+ void ResolveMultiRangeStorage(Binding& binding, bool is_written,
+ std::vector& 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);
@@ -414,7 +432,7 @@ private:
void MarkWrittenBuffer(BufferId buffer_id, DAddr device_addr, u32 size);
- [[nodiscard]] BufferId FindBuffer(DAddr device_addr, u32 size);
+ [[nodiscard]] BufferId FindBuffer(DAddr device_addr, u32 size, bool sparse_compatible);
void WaitForGpuFenceIfNeeded(Buffer& buffer);
@@ -422,7 +440,8 @@ private:
void JoinOverlap(BufferId new_buffer_id, BufferId overlap_id, bool accumulate_stream_score);
- [[nodiscard]] BufferId CreateBuffer(DAddr device_addr, u32 wanted_size);
+ [[nodiscard]] BufferId CreateBuffer(DAddr device_addr, u32 wanted_size,
+ bool sparse_compatible);
void Register(BufferId buffer_id);
@@ -513,6 +532,9 @@ private:
using TickType = u64;
};
Common::LeastRecentlyUsedCache lru_cache;
+ VirtualRangeCache virtual_ranges;
+ std::vector graphics_segments;
+ std::vector compute_segments;
u64 frame_tick = 0;
u64 total_used_memory = 0;
u64 minimum_memory = 0;
diff --git a/src/video_core/buffer_cache/virtual_range_cache.h b/src/video_core/buffer_cache/virtual_range_cache.h
new file mode 100644
index 0000000000..f4284d6abb
--- /dev/null
+++ b/src/video_core/buffer_cache/virtual_range_cache.h
@@ -0,0 +1,173 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include
+#include
+#include
+#include
+#include
+
+#include
+
+#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;
+
+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 device_addr = memory.GpuToCpuAddress(range_addr);
+ if (!device_addr || *device_addr == 0) {
+ contiguous = false;
+ break;
+ }
+ if (range_size > static_cast((std::numeric_limits::max)())) {
+ contiguous = false;
+ break;
+ }
+ entry.segments.push_back(VirtualSegment{
+ .gpu_addr = range_addr,
+ .device_addr = *device_addr,
+ .size = static_cast(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(as_id) << 48) ^ gpu_addr;
+ }
+
+ void ApplyDeferred() {
+ std::vector 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 entries;
+ std::vector deferred;
+ std::mutex deferred_mutex;
+ std::atomic has_deferred{false};
+ bool deferred_overflow{};
+};
+
+} // namespace VideoCommon
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
index daff57bd00..fb65a132d0 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp
+++ b/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_)
+Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_, bool)
: VideoCommon::BufferBase(cpu_addr_, size_bytes_) {
buffer.Create();
if (runtime.device.HasDebuggingToolAttached()) {
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h
index 09fa3a59af..6fee58a0eb 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.h
@@ -23,7 +23,8 @@ class BufferCacheRuntime;
class Buffer : public VideoCommon::BufferBase {
public:
- explicit Buffer(BufferCacheRuntime&, DAddr cpu_addr, u64 size_bytes);
+ explicit Buffer(BufferCacheRuntime&, DAddr cpu_addr, u64 size_bytes,
+ bool sparse_compatible);
explicit Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams);
void ImmediateUpload(size_t offset, std::span data) noexcept;
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
index a734bd049c..958f3b2a2e 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
@@ -56,7 +56,8 @@ size_t BytesPerIndex(VkIndexType index_type) {
}
}
-vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allocator, u64 size) {
+vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allocator, u64 size,
+ VkDeviceSize sparse_alignment) {
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 |
@@ -82,6 +83,9 @@ 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
@@ -99,10 +103,14 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCommon::NullBufferParams null_p
}
}
-Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_)
+Buffer::Buffer(BufferCacheRuntime& runtime, DAddr cpu_addr_, u64 size_bytes_,
+ bool sparse_compatible_)
: VideoCommon::BufferBase(cpu_addr_, size_bytes_), device{&runtime.device},
scheduler{&runtime.scheduler},
- buffer{CreateBuffer(*device, runtime.memory_allocator, SizeBytes())}, tracker{SizeBytes()} {
+ buffer{CreateBuffer(*device, runtime.memory_allocator, SizeBytes(),
+ runtime.SparseAlignmentFor(sparse_compatible_))},
+ tracker{SizeBytes()} {
+ sparse_compatible = sparse_compatible_;
if (runtime.device.HasDebuggingToolAttached()) {
buffer.SetObjectNameEXT(fmt::format("Buffer {:#x}", CpuAddr()).c_str());
}
@@ -348,7 +356,8 @@ 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) {
+ compute_pass_descriptor_queue),
+ multi_range_buffers(device_) {
const VkDriverIdKHR driver_id = device.GetDriverID();
limit_dynamic_storage_buffers = driver_id == VK_DRIVER_ID_QUALCOMM_PROPRIETARY ||
driver_id == VK_DRIVER_ID_ARM_PROPRIETARY;
@@ -536,6 +545,37 @@ 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 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) {
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
index 9b3dd50eaa..fbd8c2e753 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.h
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h
@@ -8,11 +8,14 @@
#include
+#include
+
#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"
@@ -31,7 +34,8 @@ 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_);
+ explicit Buffer(BufferCacheRuntime& runtime, VAddr cpu_addr_, u64 size_bytes_,
+ bool sparse_compatible_);
[[nodiscard]] VkBufferView View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format);
@@ -43,6 +47,14 @@ 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);
}
@@ -77,6 +89,7 @@ private:
VkDeviceAddress device_address{};
u64 last_usage_tick{};
bool is_null{};
+ bool sparse_compatible{};
};
class QuadArrayIndexBuffer;
@@ -125,7 +138,7 @@ public:
void PreCopyBarrier();
- void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
+ void CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
std::span copies, bool barrier,
bool can_reorder_upload = false);
@@ -155,6 +168,46 @@ 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);
}
@@ -208,6 +261,10 @@ private:
std::unique_ptr uint8_pass;
QuadIndexedPass quad_index_pass;
+ MultiRangeBufferCache multi_range_buffers;
+ boost::container::small_vector multi_range_sources;
+ VkDeviceSize multi_range_total{};
+
bool limit_dynamic_storage_buffers = false;
u32 max_dynamic_storage_buffers = (std::numeric_limits::max)();
};
diff --git a/src/video_core/renderer_vulkan/vk_multi_range_buffer.cpp b/src/video_core/renderer_vulkan/vk_multi_range_buffer.cpp
new file mode 100644
index 0000000000..4d84390002
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_multi_range_buffer.cpp
@@ -0,0 +1,338 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include
+#include
+#include
+
+#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 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 sources) const {
+ u64 hash = 0xcbf29ce484222325ULL;
+ for (const MultiRangeSource& source : sources) {
+ hash ^= source.write_tick;
+ hash *= 0x100000001b3ULL;
+ }
+ return hash;
+}
+
+bool MultiRangeBufferCache::CanBindSparse(std::span 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 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 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(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 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
diff --git a/src/video_core/renderer_vulkan/vk_multi_range_buffer.h b/src/video_core/renderer_vulkan/vk_multi_range_buffer.h
new file mode 100644
index 0000000000..f40d3aa1f8
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_multi_range_buffer.h
@@ -0,0 +1,105 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include
+#include
+
+#include
+
+#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;
+
+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 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 owners;
+ VkDeviceAddress address{};
+ VkDeviceSize size{};
+ u64 geometry{};
+ u64 content{};
+ bool dirty{true};
+ };
+
+ [[nodiscard]] u64 HashSources(std::span sources) const;
+
+ [[nodiscard]] u64 HashContent(std::span sources) const;
+
+ [[nodiscard]] bool CanBindSparse(std::span sources) const;
+
+ [[nodiscard]] SparseBuffer CreateSparse(const Device& device, Scheduler& scheduler,
+ std::span 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 entries;
+ boost::container::static_vector retired;
+ u32 sparse_memory_type_bits{};
+ VkBufferUsageFlags sparse_usage{};
+};
+
+} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 3b0fea2fec..f43bea1220 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -819,6 +819,7 @@ 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&& func) {
diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index fb3a9c4e7a..be09bca8d3 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -1570,6 +1570,8 @@ 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;
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index c53bd6443e..077b1c3e23 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -317,6 +317,10 @@ 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()) {
@@ -1147,6 +1151,7 @@ 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{};
diff --git a/src/video_core/vulkan_common/vulkan_memory_allocator.cpp b/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
index 20b6b55ef7..f4721543ae 100644
--- a/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
+++ b/src/video_core/vulkan_common/vulkan_memory_allocator.cpp
@@ -275,9 +275,63 @@ vk::Buffer MemoryAllocator::CreateBuffer(const VkBufferCreateInfo &ci, MemoryUsa
const std::span mapped_data = data ? std::span{data, ci.size} : std::span{};
const bool is_coherent = (property_flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0;
- return vk::Buffer(handle, *device.GetLogical(), allocator, allocation, mapped_data,
- is_coherent,
- device.GetDispatchLoader());
+ 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(alloc_info.pMappedData);
+ std::span mapped_data{};
+ if (data) {
+ mapped_data = std::span{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());
}
MemoryCommit MemoryAllocator::Commit(const VkMemoryRequirements &reqs, MemoryUsage usage)
diff --git a/src/video_core/vulkan_common/vulkan_memory_allocator.h b/src/video_core/vulkan_common/vulkan_memory_allocator.h
index 581f2e66d2..a0f9081fc0 100644
--- a/src/video_core/vulkan_common/vulkan_memory_allocator.h
+++ b/src/video_core/vulkan_common/vulkan_memory_allocator.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
@@ -107,6 +107,9 @@ 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.
*
diff --git a/src/video_core/vulkan_common/vulkan_wrapper.cpp b/src/video_core/vulkan_common/vulkan_wrapper.cpp
index 09fcf2eaa0..f04f137da5 100644
--- a/src/video_core/vulkan_common/vulkan_wrapper.cpp
+++ b/src/video_core/vulkan_common/vulkan_wrapper.cpp
@@ -229,6 +229,7 @@ void Load(VkDevice device, DeviceDispatch& dld) noexcept {
X(vkGetPipelineExecutableStatisticsKHR);
X(vkGetSemaphoreCounterValue);
X(vkMapMemory);
+ X(vkQueueBindSparse);
X(vkQueueSubmit);
X(vkQueueSubmit2);
X(vkResetFences);
diff --git a/src/video_core/vulkan_common/vulkan_wrapper.h b/src/video_core/vulkan_common/vulkan_wrapper.h
index dd9a3a21d5..97d2ba3700 100644
--- a/src/video_core/vulkan_common/vulkan_wrapper.h
+++ b/src/video_core/vulkan_common/vulkan_wrapper.h
@@ -345,6 +345,7 @@ struct DeviceDispatch : InstanceDispatch {
PFN_vkGetQueryPoolResults vkGetQueryPoolResults{};
PFN_vkGetSemaphoreCounterValue vkGetSemaphoreCounterValue{};
PFN_vkMapMemory vkMapMemory{};
+ PFN_vkQueueBindSparse vkQueueBindSparse{};
PFN_vkQueueSubmit vkQueueSubmit{};
PFN_vkQueueSubmit2 vkQueueSubmit2{};
PFN_vkResetFences vkResetFences{};
@@ -740,13 +741,20 @@ 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 mapped_, bool is_coherent_,
- const DeviceDispatch& dld_) noexcept
+ MemoryLocation location_, const DeviceDispatch& dld_) noexcept
: handle{handle_}, owner{owner_}, allocator{allocator_},
- allocation{allocation_}, mapped{mapped_}, is_coherent{is_coherent_}, dld{&dld_} {}
+ allocation{allocation_}, mapped{mapped_}, location{location_},
+ is_coherent{is_coherent_}, dld{&dld_} {}
Buffer() = default;
Buffer(const Buffer&) = delete;
@@ -754,7 +762,7 @@ public:
Buffer(Buffer&& rhs) noexcept
: handle{std::exchange(rhs.handle, VkBuffer{})}, owner{rhs.owner}, allocator{rhs.allocator},
- allocation{rhs.allocation}, mapped{rhs.mapped},
+ allocation{rhs.allocation}, mapped{rhs.mapped}, location{rhs.location},
is_coherent{rhs.is_coherent}, dld{rhs.dld} {}
Buffer& operator=(Buffer&& rhs) noexcept {
@@ -764,6 +772,7 @@ public:
allocator = rhs.allocator;
allocation = rhs.allocation;
mapped = rhs.mapped;
+ location = rhs.location;
is_coherent = rhs.is_coherent;
dld = rhs.dld;
return *this;
@@ -811,6 +820,10 @@ public:
void SetObjectNameEXT(const char* name) const;
+ MemoryLocation Location() const noexcept {
+ return location;
+ }
+
private:
void Release() const noexcept;
@@ -819,6 +832,7 @@ private:
VmaAllocator allocator = nullptr;
VmaAllocation allocation = nullptr;
std::span mapped = {};
+ MemoryLocation location{};
bool is_coherent = false;
const DeviceDispatch* dld = nullptr;
};
@@ -843,6 +857,11 @@ public:
return dld->vkQueueSubmit2(queue, submit_infos.size(), submit_infos.data(), fence);
}
+ VkResult BindSparse(Span 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);
}