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-rw-r--r--src/video_core/buffer_cache/buffer_cache.h227
-rw-r--r--src/video_core/buffer_cache/map_interval.cpp33
-rw-r--r--src/video_core/buffer_cache/map_interval.h133
3 files changed, 210 insertions, 183 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index 56e570994..d9a4a1b4d 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -12,11 +12,12 @@
#include <utility>
#include <vector>
-#include <boost/icl/interval_map.hpp>
+#include <boost/container/small_vector.hpp>
#include <boost/icl/interval_set.hpp>
-#include <boost/range/iterator_range.hpp>
+#include <boost/intrusive/set.hpp>
#include "common/alignment.h"
+#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/core.h"
@@ -29,10 +30,12 @@
namespace VideoCommon {
-using MapInterval = std::shared_ptr<MapIntervalBase>;
-
template <typename OwnerBuffer, typename BufferType, typename StreamBuffer>
class BufferCache {
+ using IntervalSet = boost::icl::interval_set<VAddr>;
+ using IntervalType = typename IntervalSet::interval_type;
+ using VectorMapInterval = boost::container::small_vector<MapInterval*, 1>;
+
public:
using BufferInfo = std::pair<BufferType, u64>;
@@ -40,14 +43,12 @@ public:
bool is_written = false, bool use_fast_cbuf = false) {
std::lock_guard lock{mutex};
- const std::optional<VAddr> cpu_addr_opt =
- system.GPU().MemoryManager().GpuToCpuAddress(gpu_addr);
-
+ const auto& memory_manager = system.GPU().MemoryManager();
+ const std::optional<VAddr> cpu_addr_opt = memory_manager.GpuToCpuAddress(gpu_addr);
if (!cpu_addr_opt) {
return {GetEmptyBuffer(size), 0};
}
-
- VAddr cpu_addr = *cpu_addr_opt;
+ const VAddr cpu_addr = *cpu_addr_opt;
// Cache management is a big overhead, so only cache entries with a given size.
// TODO: Figure out which size is the best for given games.
@@ -77,16 +78,19 @@ public:
}
}
- auto block = GetBlock(cpu_addr, size);
- auto map = MapAddress(block, gpu_addr, cpu_addr, size);
+ OwnerBuffer block = GetBlock(cpu_addr, size);
+ MapInterval* const map = MapAddress(block, gpu_addr, cpu_addr, size);
+ if (!map) {
+ return {GetEmptyBuffer(size), 0};
+ }
if (is_written) {
map->MarkAsModified(true, GetModifiedTicks());
if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
MarkForAsyncFlush(map);
}
- if (!map->IsWritten()) {
- map->MarkAsWritten(true);
- MarkRegionAsWritten(map->GetStart(), map->GetEnd() - 1);
+ if (!map->is_written) {
+ map->is_written = true;
+ MarkRegionAsWritten(map->start, map->end - 1);
}
}
@@ -132,12 +136,11 @@ public:
void FlushRegion(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- std::vector<MapInterval> objects = GetMapsInRange(addr, size);
- std::sort(objects.begin(), objects.end(), [](const MapInterval& a, const MapInterval& b) {
- return a->GetModificationTick() < b->GetModificationTick();
- });
- for (auto& object : objects) {
- if (object->IsModified() && object->IsRegistered()) {
+ VectorMapInterval objects = GetMapsInRange(addr, size);
+ std::sort(objects.begin(), objects.end(),
+ [](MapInterval* lhs, MapInterval* rhs) { return lhs->ticks < rhs->ticks; });
+ for (MapInterval* object : objects) {
+ if (object->is_modified && object->is_registered) {
mutex.unlock();
FlushMap(object);
mutex.lock();
@@ -148,9 +151,9 @@ public:
bool MustFlushRegion(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- const std::vector<MapInterval> objects = GetMapsInRange(addr, size);
- return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval& map) {
- return map->IsModified() && map->IsRegistered();
+ const VectorMapInterval objects = GetMapsInRange(addr, size);
+ return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval* map) {
+ return map->is_modified && map->is_registered;
});
}
@@ -158,9 +161,8 @@ public:
void InvalidateRegion(VAddr addr, u64 size) {
std::lock_guard lock{mutex};
- std::vector<MapInterval> objects = GetMapsInRange(addr, size);
- for (auto& object : objects) {
- if (object->IsRegistered()) {
+ for (auto& object : GetMapsInRange(addr, size)) {
+ if (object->is_registered) {
Unregister(object);
}
}
@@ -169,10 +171,10 @@ public:
void OnCPUWrite(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- for (const auto& object : GetMapsInRange(addr, size)) {
- if (object->IsMemoryMarked() && object->IsRegistered()) {
+ for (MapInterval* object : GetMapsInRange(addr, size)) {
+ if (object->is_memory_marked && object->is_registered) {
UnmarkMemory(object);
- object->SetSyncPending(true);
+ object->is_sync_pending = true;
marked_for_unregister.emplace_back(object);
}
}
@@ -181,9 +183,9 @@ public:
void SyncGuestHost() {
std::lock_guard lock{mutex};
- for (const auto& object : marked_for_unregister) {
- if (object->IsRegistered()) {
- object->SetSyncPending(false);
+ for (auto& object : marked_for_unregister) {
+ if (object->is_registered) {
+ object->is_sync_pending = false;
Unregister(object);
}
}
@@ -192,9 +194,9 @@ public:
void CommitAsyncFlushes() {
if (uncommitted_flushes) {
- auto commit_list = std::make_shared<std::list<MapInterval>>();
- for (auto& map : *uncommitted_flushes) {
- if (map->IsRegistered() && map->IsModified()) {
+ auto commit_list = std::make_shared<std::list<MapInterval*>>();
+ for (MapInterval* map : *uncommitted_flushes) {
+ if (map->is_registered && map->is_modified) {
// TODO(Blinkhawk): Implement backend asynchronous flushing
// AsyncFlushMap(map)
commit_list->push_back(map);
@@ -228,8 +230,8 @@ public:
committed_flushes.pop_front();
return;
}
- for (MapInterval& map : *flush_list) {
- if (map->IsRegistered()) {
+ for (MapInterval* map : *flush_list) {
+ if (map->is_registered) {
// TODO(Blinkhawk): Replace this for reading the asynchronous flush
FlushMap(map);
}
@@ -265,61 +267,60 @@ protected:
}
/// Register an object into the cache
- void Register(const MapInterval& new_map, bool inherit_written = false) {
- const VAddr cpu_addr = new_map->GetStart();
+ MapInterval* Register(MapInterval new_map, bool inherit_written = false) {
+ const VAddr cpu_addr = new_map.start;
if (!cpu_addr) {
LOG_CRITICAL(HW_GPU, "Failed to register buffer with unmapped gpu_address 0x{:016x}",
- new_map->GetGpuAddress());
- return;
+ new_map.gpu_addr);
+ return nullptr;
}
- const std::size_t size = new_map->GetEnd() - new_map->GetStart();
- new_map->MarkAsRegistered(true);
- const IntervalType interval{new_map->GetStart(), new_map->GetEnd()};
- mapped_addresses.insert({interval, new_map});
+ const std::size_t size = new_map.end - new_map.start;
+ new_map.is_registered = true;
rasterizer.UpdatePagesCachedCount(cpu_addr, size, 1);
- new_map->SetMemoryMarked(true);
+ new_map.is_memory_marked = true;
if (inherit_written) {
- MarkRegionAsWritten(new_map->GetStart(), new_map->GetEnd() - 1);
- new_map->MarkAsWritten(true);
+ MarkRegionAsWritten(new_map.start, new_map.end - 1);
+ new_map.is_written = true;
}
+ MapInterval* const storage = mapped_addresses_allocator.Allocate();
+ *storage = new_map;
+ mapped_addresses.insert(*storage);
+ return storage;
}
- void UnmarkMemory(const MapInterval& map) {
- if (!map->IsMemoryMarked()) {
+ void UnmarkMemory(MapInterval* map) {
+ if (!map->is_memory_marked) {
return;
}
- const std::size_t size = map->GetEnd() - map->GetStart();
- rasterizer.UpdatePagesCachedCount(map->GetStart(), size, -1);
- map->SetMemoryMarked(false);
+ const std::size_t size = map->end - map->start;
+ rasterizer.UpdatePagesCachedCount(map->start, size, -1);
+ map->is_memory_marked = false;
}
/// Unregisters an object from the cache
- void Unregister(const MapInterval& map) {
+ void Unregister(MapInterval* map) {
UnmarkMemory(map);
- map->MarkAsRegistered(false);
- if (map->IsSyncPending()) {
+ map->is_registered = false;
+ if (map->is_sync_pending) {
+ map->is_sync_pending = false;
marked_for_unregister.remove(map);
- map->SetSyncPending(false);
}
- if (map->IsWritten()) {
- UnmarkRegionAsWritten(map->GetStart(), map->GetEnd() - 1);
+ if (map->is_written) {
+ UnmarkRegionAsWritten(map->start, map->end - 1);
}
- const IntervalType delete_interval{map->GetStart(), map->GetEnd()};
- mapped_addresses.erase(delete_interval);
+ const auto it = mapped_addresses.find(*map);
+ ASSERT(it != mapped_addresses.end());
+ mapped_addresses.erase(it);
+ mapped_addresses_allocator.Release(map);
}
private:
- MapInterval CreateMap(const VAddr start, const VAddr end, const GPUVAddr gpu_addr) {
- return std::make_shared<MapIntervalBase>(start, end, gpu_addr);
- }
-
- MapInterval MapAddress(const OwnerBuffer& block, const GPUVAddr gpu_addr, const VAddr cpu_addr,
- const std::size_t size) {
- std::vector<MapInterval> overlaps = GetMapsInRange(cpu_addr, size);
+ MapInterval* MapAddress(const OwnerBuffer& block, GPUVAddr gpu_addr, VAddr cpu_addr,
+ std::size_t size) {
+ const VectorMapInterval overlaps = GetMapsInRange(cpu_addr, size);
if (overlaps.empty()) {
auto& memory_manager = system.GPU().MemoryManager();
const VAddr cpu_addr_end = cpu_addr + size;
- MapInterval new_map = CreateMap(cpu_addr, cpu_addr_end, gpu_addr);
if (memory_manager.IsGranularRange(gpu_addr, size)) {
u8* host_ptr = memory_manager.GetPointer(gpu_addr);
UploadBlockData(block, block->GetOffset(cpu_addr), size, host_ptr);
@@ -328,13 +329,12 @@ private:
memory_manager.ReadBlockUnsafe(gpu_addr, staging_buffer.data(), size);
UploadBlockData(block, block->GetOffset(cpu_addr), size, staging_buffer.data());
}
- Register(new_map);
- return new_map;
+ return Register(MapInterval(cpu_addr, cpu_addr_end, gpu_addr));
}
const VAddr cpu_addr_end = cpu_addr + size;
if (overlaps.size() == 1) {
- MapInterval& current_map = overlaps[0];
+ MapInterval* const current_map = overlaps[0];
if (current_map->IsInside(cpu_addr, cpu_addr_end)) {
return current_map;
}
@@ -344,35 +344,39 @@ private:
bool write_inheritance = false;
bool modified_inheritance = false;
// Calculate new buffer parameters
- for (auto& overlap : overlaps) {
- new_start = std::min(overlap->GetStart(), new_start);
- new_end = std::max(overlap->GetEnd(), new_end);
- write_inheritance |= overlap->IsWritten();
- modified_inheritance |= overlap->IsModified();
+ for (MapInterval* overlap : overlaps) {
+ new_start = std::min(overlap->start, new_start);
+ new_end = std::max(overlap->end, new_end);
+ write_inheritance |= overlap->is_written;
+ modified_inheritance |= overlap->is_modified;
}
GPUVAddr new_gpu_addr = gpu_addr + new_start - cpu_addr;
for (auto& overlap : overlaps) {
Unregister(overlap);
}
UpdateBlock(block, new_start, new_end, overlaps);
- MapInterval new_map = CreateMap(new_start, new_end, new_gpu_addr);
+
+ const MapInterval new_map{new_start, new_end, new_gpu_addr};
+ MapInterval* const map = Register(new_map, write_inheritance);
+ if (!map) {
+ return nullptr;
+ }
if (modified_inheritance) {
- new_map->MarkAsModified(true, GetModifiedTicks());
+ map->MarkAsModified(true, GetModifiedTicks());
if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
- MarkForAsyncFlush(new_map);
+ MarkForAsyncFlush(map);
}
}
- Register(new_map, write_inheritance);
- return new_map;
+ return map;
}
void UpdateBlock(const OwnerBuffer& block, VAddr start, VAddr end,
- std::vector<MapInterval>& overlaps) {
+ const VectorMapInterval& overlaps) {
const IntervalType base_interval{start, end};
IntervalSet interval_set{};
interval_set.add(base_interval);
for (auto& overlap : overlaps) {
- const IntervalType subtract{overlap->GetStart(), overlap->GetEnd()};
+ const IntervalType subtract{overlap->start, overlap->end};
interval_set.subtract(subtract);
}
for (auto& interval : interval_set) {
@@ -386,18 +390,24 @@ private:
}
}
- std::vector<MapInterval> GetMapsInRange(VAddr addr, std::size_t size) {
+ VectorMapInterval GetMapsInRange(VAddr addr, std::size_t size) {
+ VectorMapInterval result;
if (size == 0) {
- return {};
+ return result;
}
- std::vector<MapInterval> objects{};
- const IntervalType interval{addr, addr + size};
- for (auto& pair : boost::make_iterator_range(mapped_addresses.equal_range(interval))) {
- objects.push_back(pair.second);
+ const VAddr addr_end = addr + size;
+ auto it = mapped_addresses.lower_bound(addr);
+ if (it != mapped_addresses.begin()) {
+ --it;
}
-
- return objects;
+ while (it != mapped_addresses.end() && it->start < addr_end) {
+ if (it->Overlaps(addr, addr_end)) {
+ result.push_back(&*it);
+ }
+ ++it;
+ }
+ return result;
}
/// Returns a ticks counter used for tracking when cached objects were last modified
@@ -405,12 +415,12 @@ private:
return ++modified_ticks;
}
- void FlushMap(MapInterval map) {
- std::size_t size = map->GetEnd() - map->GetStart();
- OwnerBuffer block = blocks[map->GetStart() >> block_page_bits];
+ void FlushMap(MapInterval* map) {
+ const std::size_t size = map->end - map->start;
+ OwnerBuffer block = blocks[map->start >> block_page_bits];
staging_buffer.resize(size);
- DownloadBlockData(block, block->GetOffset(map->GetStart()), size, staging_buffer.data());
- system.Memory().WriteBlockUnsafe(map->GetStart(), staging_buffer.data(), size);
+ DownloadBlockData(block, block->GetOffset(map->start), size, staging_buffer.data());
+ system.Memory().WriteBlockUnsafe(map->start, staging_buffer.data(), size);
map->MarkAsModified(false, 0);
}
@@ -515,7 +525,7 @@ private:
} else {
written_pages[page_start] = 1;
}
- page_start++;
+ ++page_start;
}
}
@@ -531,7 +541,7 @@ private:
written_pages.erase(it);
}
}
- page_start++;
+ ++page_start;
}
}
@@ -542,14 +552,14 @@ private:
if (written_pages.count(page_start) > 0) {
return true;
}
- page_start++;
+ ++page_start;
}
return false;
}
- void MarkForAsyncFlush(MapInterval& map) {
+ void MarkForAsyncFlush(MapInterval* map) {
if (!uncommitted_flushes) {
- uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval>>();
+ uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval*>>();
}
uncommitted_flushes->insert(map);
}
@@ -566,10 +576,9 @@ private:
u64 buffer_offset = 0;
u64 buffer_offset_base = 0;
- using IntervalSet = boost::icl::interval_set<VAddr>;
- using IntervalCache = boost::icl::interval_map<VAddr, MapInterval>;
- using IntervalType = typename IntervalCache::interval_type;
- IntervalCache mapped_addresses;
+ MapIntervalAllocator mapped_addresses_allocator;
+ boost::intrusive::set<MapInterval, boost::intrusive::compare<MapIntervalCompare>>
+ mapped_addresses;
static constexpr u64 write_page_bit = 11;
std::unordered_map<u64, u32> written_pages;
@@ -583,10 +592,10 @@ private:
u64 modified_ticks = 0;
std::vector<u8> staging_buffer;
- std::list<MapInterval> marked_for_unregister;
+ std::list<MapInterval*> marked_for_unregister;
- std::shared_ptr<std::unordered_set<MapInterval>> uncommitted_flushes{};
- std::list<std::shared_ptr<std::list<MapInterval>>> committed_flushes;
+ std::shared_ptr<std::unordered_set<MapInterval*>> uncommitted_flushes;
+ std::list<std::shared_ptr<std::list<MapInterval*>>> committed_flushes;
std::recursive_mutex mutex;
};
diff --git a/src/video_core/buffer_cache/map_interval.cpp b/src/video_core/buffer_cache/map_interval.cpp
new file mode 100644
index 000000000..62587e18a
--- /dev/null
+++ b/src/video_core/buffer_cache/map_interval.cpp
@@ -0,0 +1,33 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+#include <memory>
+
+#include "video_core/buffer_cache/map_interval.h"
+
+namespace VideoCommon {
+
+MapIntervalAllocator::MapIntervalAllocator() {
+ FillFreeList(first_chunk);
+}
+
+MapIntervalAllocator::~MapIntervalAllocator() = default;
+
+void MapIntervalAllocator::AllocateNewChunk() {
+ *new_chunk = std::make_unique<Chunk>();
+ FillFreeList(**new_chunk);
+ new_chunk = &(*new_chunk)->next;
+}
+
+void MapIntervalAllocator::FillFreeList(Chunk& chunk) {
+ const std::size_t old_size = free_list.size();
+ free_list.resize(old_size + chunk.data.size());
+ std::transform(chunk.data.rbegin(), chunk.data.rend(), free_list.begin() + old_size,
+ [](MapInterval& interval) { return &interval; });
+}
+
+} // namespace VideoCommon
diff --git a/src/video_core/buffer_cache/map_interval.h b/src/video_core/buffer_cache/map_interval.h
index 29d8b26f3..fe0bcd1d8 100644
--- a/src/video_core/buffer_cache/map_interval.h
+++ b/src/video_core/buffer_cache/map_interval.h
@@ -4,104 +4,89 @@
#pragma once
+#include <array>
+#include <cstddef>
+#include <memory>
+#include <vector>
+
+#include <boost/intrusive/set_hook.hpp>
+
#include "common/common_types.h"
#include "video_core/gpu.h"
namespace VideoCommon {
-class MapIntervalBase {
-public:
- MapIntervalBase(const VAddr start, const VAddr end, const GPUVAddr gpu_addr)
- : start{start}, end{end}, gpu_addr{gpu_addr} {}
-
- void SetCpuAddress(VAddr new_cpu_addr) {
- cpu_addr = new_cpu_addr;
- }
-
- VAddr GetCpuAddress() const {
- return cpu_addr;
- }
-
- GPUVAddr GetGpuAddress() const {
- return gpu_addr;
- }
-
- bool IsInside(const VAddr other_start, const VAddr other_end) const {
- return (start <= other_start && other_end <= end);
- }
-
- bool operator==(const MapIntervalBase& rhs) const {
- return std::tie(start, end) == std::tie(rhs.start, rhs.end);
- }
-
- bool operator!=(const MapIntervalBase& rhs) const {
- return !operator==(rhs);
- }
+struct MapInterval : public boost::intrusive::set_base_hook<boost::intrusive::optimize_size<true>> {
+ MapInterval() = default;
- void MarkAsRegistered(const bool registered) {
- is_registered = registered;
- }
+ /*implicit*/ MapInterval(VAddr start_) noexcept : start{start_} {}
- bool IsRegistered() const {
- return is_registered;
- }
+ explicit MapInterval(VAddr start_, VAddr end_, GPUVAddr gpu_addr_) noexcept
+ : start{start_}, end{end_}, gpu_addr{gpu_addr_} {}
- void SetMemoryMarked(bool is_memory_marked_) {
- is_memory_marked = is_memory_marked_;
+ bool IsInside(VAddr other_start, VAddr other_end) const noexcept {
+ return start <= other_start && other_end <= end;
}
- bool IsMemoryMarked() const {
- return is_memory_marked;
+ bool Overlaps(VAddr other_start, VAddr other_end) const noexcept {
+ return start < other_end && other_start < end;
}
- void SetSyncPending(bool is_sync_pending_) {
- is_sync_pending = is_sync_pending_;
- }
+ void MarkAsModified(bool is_modified_, u64 ticks_) noexcept {
+ is_modified = is_modified_;
+ ticks = ticks_;
+ }
+
+ boost::intrusive::set_member_hook<> member_hook_;
+ VAddr start = 0;
+ VAddr end = 0;
+ GPUVAddr gpu_addr = 0;
+ u64 ticks = 0;
+ bool is_written = false;
+ bool is_modified = false;
+ bool is_registered = false;
+ bool is_memory_marked = false;
+ bool is_sync_pending = false;
+};
- bool IsSyncPending() const {
- return is_sync_pending;
+struct MapIntervalCompare {
+ constexpr bool operator()(const MapInterval& lhs, const MapInterval& rhs) const noexcept {
+ return lhs.start < rhs.start;
}
+};
- VAddr GetStart() const {
- return start;
- }
+class MapIntervalAllocator {
+public:
+ MapIntervalAllocator();
+ ~MapIntervalAllocator();
- VAddr GetEnd() const {
- return end;
+ MapInterval* Allocate() {
+ if (free_list.empty()) {
+ AllocateNewChunk();
+ }
+ MapInterval* const interval = free_list.back();
+ free_list.pop_back();
+ return interval;
}
- void MarkAsModified(const bool is_modified_, const u64 tick) {
- is_modified = is_modified_;
- ticks = tick;
+ void Release(MapInterval* interval) {
+ free_list.push_back(interval);
}
- bool IsModified() const {
- return is_modified;
- }
+private:
+ struct Chunk {
+ std::unique_ptr<Chunk> next;
+ std::array<MapInterval, 0x8000> data;
+ };
- u64 GetModificationTick() const {
- return ticks;
- }
+ void AllocateNewChunk();
- void MarkAsWritten(const bool is_written_) {
- is_written = is_written_;
- }
+ void FillFreeList(Chunk& chunk);
- bool IsWritten() const {
- return is_written;
- }
+ std::vector<MapInterval*> free_list;
+ std::unique_ptr<Chunk>* new_chunk = &first_chunk.next;
-private:
- VAddr start;
- VAddr end;
- GPUVAddr gpu_addr;
- VAddr cpu_addr{};
- bool is_written{};
- bool is_modified{};
- bool is_registered{};
- bool is_memory_marked{};
- bool is_sync_pending{};
- u64 ticks{};
+ Chunk first_chunk;
};
} // namespace VideoCommon
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 08:14:57 +0100