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-rw-r--r--src/core/core.cpp32
-rw-r--r--src/core/core.h11
-rw-r--r--src/core/gpu_dirty_memory_manager.h122
-rw-r--r--src/core/memory.cpp40
-rw-r--r--src/core/memory.h6
5 files changed, 202 insertions, 9 deletions
diff --git a/src/core/core.cpp b/src/core/core.cpp
index b74fd0a58..9e3eb3795 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -27,6 +27,7 @@
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/vfs_concat.h"
#include "core/file_sys/vfs_real.h"
+#include "core/gpu_dirty_memory_manager.h"
#include "core/hid/hid_core.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_process.h"
@@ -130,7 +131,10 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
struct System::Impl {
explicit Impl(System& system)
: kernel{system}, fs_controller{system}, memory{system}, hid_core{}, room_network{},
- cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system} {}
+ cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system},
+ gpu_dirty_memory_write_manager{} {
+ memory.SetGPUDirtyManagers(gpu_dirty_memory_write_manager);
+ }
void Initialize(System& system) {
device_memory = std::make_unique<Core::DeviceMemory>();
@@ -234,6 +238,8 @@ struct System::Impl {
// Setting changes may require a full system reinitialization (e.g., disabling multicore).
ReinitializeIfNecessary(system);
+ memory.SetGPUDirtyManagers(gpu_dirty_memory_write_manager);
+
kernel.Initialize();
cpu_manager.Initialize();
@@ -540,6 +546,9 @@ struct System::Impl {
std::array<u64, Core::Hardware::NUM_CPU_CORES> dynarmic_ticks{};
std::array<MicroProfileToken, Core::Hardware::NUM_CPU_CORES> microprofile_cpu{};
+
+ std::array<Core::GPUDirtyMemoryManager, Core::Hardware::NUM_CPU_CORES>
+ gpu_dirty_memory_write_manager{};
};
System::System() : impl{std::make_unique<Impl>(*this)} {}
@@ -629,10 +638,31 @@ void System::PrepareReschedule(const u32 core_index) {
impl->kernel.PrepareReschedule(core_index);
}
+Core::GPUDirtyMemoryManager& System::CurrentGPUDirtyMemoryManager() {
+ const std::size_t core = impl->kernel.GetCurrentHostThreadID();
+ return impl->gpu_dirty_memory_write_manager[core < Core::Hardware::NUM_CPU_CORES
+ ? core
+ : Core::Hardware::NUM_CPU_CORES - 1];
+}
+
+/// Provides a constant reference to the current gou dirty memory manager.
+const Core::GPUDirtyMemoryManager& System::CurrentGPUDirtyMemoryManager() const {
+ const std::size_t core = impl->kernel.GetCurrentHostThreadID();
+ return impl->gpu_dirty_memory_write_manager[core < Core::Hardware::NUM_CPU_CORES
+ ? core
+ : Core::Hardware::NUM_CPU_CORES - 1];
+}
+
size_t System::GetCurrentHostThreadID() const {
return impl->kernel.GetCurrentHostThreadID();
}
+void System::GatherGPUDirtyMemory(std::function<void(VAddr, size_t)>& callback) {
+ for (auto& manager : impl->gpu_dirty_memory_write_manager) {
+ manager.Gather(callback);
+ }
+}
+
PerfStatsResults System::GetAndResetPerfStats() {
return impl->GetAndResetPerfStats();
}
diff --git a/src/core/core.h b/src/core/core.h
index 93afc9303..14b2f7785 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -108,9 +108,10 @@ class CpuManager;
class Debugger;
class DeviceMemory;
class ExclusiveMonitor;
-class SpeedLimiter;
+class GPUDirtyMemoryManager;
class PerfStats;
class Reporter;
+class SpeedLimiter;
class TelemetrySession;
struct PerfStatsResults;
@@ -225,6 +226,14 @@ public:
/// Prepare the core emulation for a reschedule
void PrepareReschedule(u32 core_index);
+ /// Provides a reference to the gou dirty memory manager.
+ [[nodiscard]] Core::GPUDirtyMemoryManager& CurrentGPUDirtyMemoryManager();
+
+ /// Provides a constant reference to the current gou dirty memory manager.
+ [[nodiscard]] const Core::GPUDirtyMemoryManager& CurrentGPUDirtyMemoryManager() const;
+
+ void GatherGPUDirtyMemory(std::function<void(VAddr, size_t)>& callback);
+
[[nodiscard]] size_t GetCurrentHostThreadID() const;
/// Gets and resets core performance statistics
diff --git a/src/core/gpu_dirty_memory_manager.h b/src/core/gpu_dirty_memory_manager.h
new file mode 100644
index 000000000..9687531e8
--- /dev/null
+++ b/src/core/gpu_dirty_memory_manager.h
@@ -0,0 +1,122 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <atomic>
+#include <bit>
+#include <functional>
+#include <mutex>
+#include <utility>
+#include <vector>
+
+#include "core/memory.h"
+
+namespace Core {
+
+class GPUDirtyMemoryManager {
+public:
+ GPUDirtyMemoryManager() : current{default_transform} {
+ back_buffer.reserve(256);
+ front_buffer.reserve(256);
+ }
+
+ ~GPUDirtyMemoryManager() = default;
+
+ void Collect(VAddr address, size_t size) {
+ TransformAddress t = BuildTransform(address, size);
+ TransformAddress tmp, original;
+ do {
+ tmp = current.load(std::memory_order_acquire);
+ original = tmp;
+ if (tmp.address != t.address) {
+ if (IsValid(tmp.address)) {
+ std::scoped_lock lk(guard);
+ back_buffer.emplace_back(tmp);
+ current.exchange(t, std::memory_order_relaxed);
+ return;
+ }
+ tmp.address = t.address;
+ tmp.mask = 0;
+ }
+ if ((tmp.mask | t.mask) == tmp.mask) {
+ return;
+ }
+ tmp.mask |= t.mask;
+ } while (!current.compare_exchange_weak(original, tmp, std::memory_order_release,
+ std::memory_order_relaxed));
+ }
+
+ void Gather(std::function<void(VAddr, size_t)>& callback) {
+ {
+ std::scoped_lock lk(guard);
+ TransformAddress t = current.exchange(default_transform, std::memory_order_relaxed);
+ front_buffer.swap(back_buffer);
+ if (IsValid(t.address)) {
+ front_buffer.emplace_back(t);
+ }
+ }
+ for (auto& transform : front_buffer) {
+ size_t offset = 0;
+ u64 mask = transform.mask;
+ while (mask != 0) {
+ const size_t empty_bits = std::countr_zero(mask);
+ offset += empty_bits << align_bits;
+ mask = mask >> empty_bits;
+
+ const size_t continuous_bits = std::countr_one(mask);
+ callback((static_cast<VAddr>(transform.address) << page_bits) + offset,
+ continuous_bits << align_bits);
+ mask = continuous_bits < align_size ? (mask >> continuous_bits) : 0;
+ offset += continuous_bits << align_bits;
+ }
+ }
+ front_buffer.clear();
+ }
+
+private:
+ struct alignas(8) TransformAddress {
+ u32 address;
+ u32 mask;
+ };
+
+ constexpr static size_t page_bits = Memory::YUZU_PAGEBITS - 1;
+ constexpr static size_t page_size = 1ULL << page_bits;
+ constexpr static size_t page_mask = page_size - 1;
+
+ constexpr static size_t align_bits = 6U;
+ constexpr static size_t align_size = 1U << align_bits;
+ constexpr static size_t align_mask = align_size - 1;
+ constexpr static TransformAddress default_transform = {.address = ~0U, .mask = 0U};
+
+ bool IsValid(VAddr address) {
+ return address < (1ULL << 39);
+ }
+
+ template <typename T>
+ T CreateMask(size_t top_bit, size_t minor_bit) {
+ T mask = ~T(0);
+ mask <<= (sizeof(T) * 8 - top_bit);
+ mask >>= (sizeof(T) * 8 - top_bit);
+ mask >>= minor_bit;
+ mask <<= minor_bit;
+ return mask;
+ }
+
+ TransformAddress BuildTransform(VAddr address, size_t size) {
+ const size_t minor_address = address & page_mask;
+ const size_t minor_bit = minor_address >> align_bits;
+ const size_t top_bit = (minor_address + size + align_mask) >> align_bits;
+ TransformAddress result{};
+ result.address = static_cast<u32>(address >> page_bits);
+ result.mask = CreateMask<u32>(top_bit, minor_bit);
+ return result;
+ }
+
+ std::atomic<TransformAddress> current{};
+ std::mutex guard;
+ std::vector<TransformAddress> back_buffer;
+ std::vector<TransformAddress> front_buffer;
+};
+
+} // namespace Core
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 514ba0d66..257406f09 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -3,6 +3,7 @@
#include <algorithm>
#include <cstring>
+#include <span>
#include "common/assert.h"
#include "common/atomic_ops.h"
@@ -13,6 +14,7 @@
#include "common/swap.h"
#include "core/core.h"
#include "core/device_memory.h"
+#include "core/gpu_dirty_memory_manager.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_process.h"
@@ -678,7 +680,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped Write{} @ 0x{:016X} = 0x{:016X}", sizeof(T) * 8,
GetInteger(vaddr), static_cast<u64>(data));
},
- [&]() { system.GPU().InvalidateRegion(GetInteger(vaddr), sizeof(T)); });
+ [&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); });
if (ptr) {
std::memcpy(ptr, &data, sizeof(T));
}
@@ -692,7 +694,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped WriteExclusive{} @ 0x{:016X} = 0x{:016X}",
sizeof(T) * 8, GetInteger(vaddr), static_cast<u64>(data));
},
- [&]() { system.GPU().InvalidateRegion(GetInteger(vaddr), sizeof(T)); });
+ [&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
@@ -707,7 +709,7 @@ struct Memory::Impl {
LOG_ERROR(HW_Memory, "Unmapped WriteExclusive128 @ 0x{:016X} = 0x{:016X}{:016X}",
GetInteger(vaddr), static_cast<u64>(data[1]), static_cast<u64>(data[0]));
},
- [&]() { system.GPU().InvalidateRegion(GetInteger(vaddr), sizeof(u128)); });
+ [&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(u128)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
@@ -717,7 +719,7 @@ struct Memory::Impl {
void HandleRasterizerDownload(VAddr address, size_t size) {
const size_t core = system.GetCurrentHostThreadID();
- auto& current_area = rasterizer_areas[core];
+ auto& current_area = rasterizer_read_areas[core];
const VAddr end_address = address + size;
if (current_area.start_address <= address && end_address <= current_area.end_address)
[[likely]] {
@@ -726,9 +728,31 @@ struct Memory::Impl {
current_area = system.GPU().OnCPURead(address, size);
}
- Common::PageTable* current_page_table = nullptr;
- std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES> rasterizer_areas{};
+ void HandleRasterizerWrite(VAddr address, size_t size) {
+ const size_t core = system.GetCurrentHostThreadID();
+ auto& current_area = rasterizer_write_areas[core];
+ VAddr subaddress = address >> YUZU_PAGEBITS;
+ bool do_collection = current_area.last_address == subaddress;
+ if (!do_collection) [[unlikely]] {
+ do_collection = system.GPU().OnCPUWrite(address, size);
+ if (!do_collection) {
+ return;
+ }
+ current_area.last_address = subaddress;
+ }
+ gpu_dirty_managers[core].Collect(address, size);
+ }
+
+ struct GPUDirtyState {
+ VAddr last_address;
+ };
+
Core::System& system;
+ Common::PageTable* current_page_table = nullptr;
+ std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES>
+ rasterizer_read_areas{};
+ std::array<GPUDirtyState, Core::Hardware::NUM_CPU_CORES> rasterizer_write_areas{};
+ std::span<Core::GPUDirtyMemoryManager> gpu_dirty_managers;
};
Memory::Memory(Core::System& system_) : system{system_} {
@@ -876,6 +900,10 @@ void Memory::ZeroBlock(Common::ProcessAddress dest_addr, const std::size_t size)
impl->ZeroBlock(*system.ApplicationProcess(), dest_addr, size);
}
+void Memory::SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers) {
+ impl->gpu_dirty_managers = managers;
+}
+
Result Memory::InvalidateDataCache(Common::ProcessAddress dest_addr, const std::size_t size) {
return impl->InvalidateDataCache(*system.ApplicationProcess(), dest_addr, size);
}
diff --git a/src/core/memory.h b/src/core/memory.h
index 72a0be813..ea01824f8 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -5,6 +5,7 @@
#include <cstddef>
#include <memory>
+#include <span>
#include <string>
#include "common/typed_address.h"
#include "core/hle/result.h"
@@ -15,7 +16,8 @@ struct PageTable;
namespace Core {
class System;
-}
+class GPUDirtyMemoryManager;
+} // namespace Core
namespace Kernel {
class PhysicalMemory;
@@ -458,6 +460,8 @@ public:
*/
void MarkRegionDebug(Common::ProcessAddress vaddr, u64 size, bool debug);
+ void SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers);
+
private:
Core::System& system;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-14 08:59:05 +0200