file_sys/program_metadata: Remove obsolete TODOs

BitField has been trivially copyable since
e99a148628, so we can eliminate these
TODO comments and use ReadObject() directly instead of memcpying the
data.

src/common/CMakeLists.txt

@@ -91,6 +91,8 @@ add_library(common STATIC
     logging/log.h
     logging/text_formatter.cpp
     logging/text_formatter.h
+    lz4_compression.cpp
+    lz4_compression.h
     math_util.h
     memory_hook.cpp
     memory_hook.h
@@ -136,3 +138,4 @@ endif()
 create_target_directory_groups(common)
 
 target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
+target_link_libraries(common PRIVATE lz4_static)

src/common/lz4_compression.cpp

@@ -0,0 +1,76 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <lz4hc.h>
+
+#include "common/assert.h"
+#include "common/lz4_compression.h"
+
+namespace Common::Compression {
+
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) {
+    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+    const auto source_size_int = static_cast<int>(source_size);
+    const int max_compressed_size = LZ4_compressBound(source_size_int);
+    std::vector<u8> compressed(max_compressed_size);
+
+    const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
+                                                     reinterpret_cast<char*>(compressed.data()),
+                                                     source_size_int, max_compressed_size);
+
+    if (compressed_size <= 0) {
+        // Compression failed
+        return {};
+    }
+
+    compressed.resize(compressed_size);
+
+    return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
+                                  s32 compression_level) {
+    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+    compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
+
+    const auto source_size_int = static_cast<int>(source_size);
+    const int max_compressed_size = LZ4_compressBound(source_size_int);
+    std::vector<u8> compressed(max_compressed_size);
+
+    const int compressed_size = LZ4_compress_HC(
+        reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
+        source_size_int, max_compressed_size, compression_level);
+
+    if (compressed_size <= 0) {
+        // Compression failed
+        return {};
+    }
+
+    compressed.resize(compressed_size);
+
+    return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) {
+    return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX);
+}
+
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed,
+                                  std::size_t uncompressed_size) {
+    std::vector<u8> uncompressed(uncompressed_size);
+    const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
+                                               reinterpret_cast<char*>(uncompressed.data()),
+                                               static_cast<int>(compressed.size()),
+                                               static_cast<int>(uncompressed.size()));
+    if (static_cast<int>(uncompressed_size) != size_check) {
+        // Decompression failed
+        return {};
+    }
+    return uncompressed;
+}
+
+} // namespace Common::Compression

src/common/lz4_compression.h

@@ -0,0 +1,55 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace Common::Compression {
+
+/**
+ * Compresses a source memory region with LZ4 and returns the compressed data in a vector.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression
+ * levels result in a smaller compressed size, but require more CPU time for compression. The
+ * compression level has almost no impact on decompression speed. Data compressed with LZ4HC can
+ * also be decompressed with the default LZ4 decompression.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ * @param compression_level the used compression level. Should be between 3 and 12.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, s32 compression_level);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size);
+
+/**
+ * Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector.
+ *
+ * @param compressed the compressed source memory region.
+ * @param uncompressed_size the size in bytes of the uncompressed data.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed, std::size_t uncompressed_size);
+
+} // namespace Common::Compression

src/core/CMakeLists.txt

@@ -458,7 +458,7 @@ add_library(core STATIC
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt lz4_static mbedtls opus unicorn open_source_archives)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt mbedtls opus unicorn open_source_archives)
 if (ENABLE_WEB_SERVICE)
     target_compile_definitions(core PRIVATE -DENABLE_WEB_SERVICE)
     target_link_libraries(core PRIVATE web_service)

src/core/file_sys/control_metadata.cpp

@@ -67,7 +67,7 @@ std::string NACP::GetDeveloperName(Language language) const {
 }
 
 u64 NACP::GetTitleId() const {
-    return raw.title_id;
+    return raw.save_data_owner_id;
 }
 
 u64 NACP::GetDLCBaseTitleId() const {
@@ -80,11 +80,11 @@ std::string NACP::GetVersionString() const {
 }
 
 u64 NACP::GetDefaultNormalSaveSize() const {
-    return raw.normal_save_data_size;
+    return raw.user_account_save_data_size;
 }
 
 u64 NACP::GetDefaultJournalSaveSize() const {
-    return raw.journal_sava_data_size;
+    return raw.user_account_save_data_journal_size;
 }
 
 std::vector<u8> NACP::GetRawBytes() const {

src/core/file_sys/control_metadata.h

@@ -38,23 +38,35 @@ struct RawNACP {
     u8 video_capture_mode;
     bool data_loss_confirmation;
     INSERT_PADDING_BYTES(1);
-    u64_le title_id;
+    u64_le presence_group_id;
     std::array<u8, 0x20> rating_age;
     std::array<char, 0x10> version_string;
     u64_le dlc_base_title_id;
-    u64_le title_id_2;
-    u64_le normal_save_data_size;
-    u64_le journal_sava_data_size;
-    INSERT_PADDING_BYTES(0x18);
-    u64_le product_code;
+    u64_le save_data_owner_id;
+    u64_le user_account_save_data_size;
+    u64_le user_account_save_data_journal_size;
+    u64_le device_save_data_size;
+    u64_le device_save_data_journal_size;
+    u64_le bcat_delivery_cache_storage_size;
+    char application_error_code_category[8];
     std::array<u64_le, 0x8> local_communication;
     u8 logo_type;
     u8 logo_handling;
     bool runtime_add_on_content_install;
     INSERT_PADDING_BYTES(5);
-    u64_le title_id_update;
-    std::array<u8, 0x40> bcat_passphrase;
-    INSERT_PADDING_BYTES(0xEC0);
+    u64_le seed_for_pseudo_device_id;
+    std::array<u8, 0x41> bcat_passphrase;
+    INSERT_PADDING_BYTES(7);
+    u64_le user_account_save_data_max_size;
+    u64_le user_account_save_data_max_journal_size;
+    u64_le device_save_data_max_size;
+    u64_le device_save_data_max_journal_size;
+    u64_le temporary_storage_size;
+    u64_le cache_storage_size;
+    u64_le cache_storage_journal_size;
+    u64_le cache_storage_data_and_journal_max_size;
+    u64_le cache_storage_max_index;
+    INSERT_PADDING_BYTES(0xE70);
 };
 static_assert(sizeof(RawNACP) == 0x4000, "RawNACP has incorrect size.");
 

src/core/file_sys/program_metadata.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <cstddef>
-#include <cstring>
 #include <vector>
 
 #include "common/logging/log.h"
@@ -17,28 +16,30 @@ ProgramMetadata::ProgramMetadata() = default;
 ProgramMetadata::~ProgramMetadata() = default;
 
 Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
-    std::size_t total_size = static_cast<std::size_t>(file->GetSize());
-    if (total_size < sizeof(Header))
+    const std::size_t total_size = file->GetSize();
+    if (total_size < sizeof(Header)) {
         return Loader::ResultStatus::ErrorBadNPDMHeader;
+    }
 
-    // TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable.
-    std::vector<u8> npdm_header_data = file->ReadBytes(sizeof(Header));
-    if (sizeof(Header) != npdm_header_data.size())
+    if (sizeof(Header) != file->ReadObject(&npdm_header)) {
         return Loader::ResultStatus::ErrorBadNPDMHeader;
-    std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header));
+    }
 
-    std::vector<u8> acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset);
-    if (sizeof(AcidHeader) != acid_header_data.size())
+    if (sizeof(AcidHeader) != file->ReadObject(&acid_header, npdm_header.acid_offset)) {
         return Loader::ResultStatus::ErrorBadACIDHeader;
-    std::memcpy(&acid_header, acid_header_data.data(), sizeof(AcidHeader));
+    }
 
-    if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset))
+    if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset)) {
         return Loader::ResultStatus::ErrorBadACIHeader;
+    }
 
-    if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset))
+    if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset)) {
         return Loader::ResultStatus::ErrorBadFileAccessControl;
-    if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset))
+    }
+
+    if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset)) {
         return Loader::ResultStatus::ErrorBadFileAccessHeader;
+    }
 
     aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32));
     const u64 read_size = aci_header.kac_size;

src/core/file_sys/program_metadata.h

@@ -58,7 +58,6 @@ public:
     void Print() const;
 
 private:
-    // TODO(DarkLordZach): BitField is not trivially copyable.
     struct Header {
         std::array<char, 4> magic;
         std::array<u8, 8> reserved;
@@ -85,7 +84,6 @@ private:
 
     static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
 
-    // TODO(DarkLordZach): BitField is not trivially copyable.
     struct AcidHeader {
         std::array<u8, 0x100> signature;
         std::array<u8, 0x100> nca_modulus;

src/core/hle/kernel/kernel.cpp

@@ -115,7 +115,7 @@ struct KernelCore::Impl {
 
     // Creates the default system resource limit
     void InitializeSystemResourceLimit(KernelCore& kernel) {
-        system_resource_limit = ResourceLimit::Create(kernel, "System");
+        system_resource_limit = ResourceLimit::Create(kernel);
 
         // If setting the default system values fails, then something seriously wrong has occurred.
         ASSERT(system_resource_limit->SetLimitValue(ResourceType::PhysicalMemory, 0x200000000)
@@ -191,6 +191,10 @@ const Process* KernelCore::CurrentProcess() const {
     return impl->current_process;
 }
 
+const std::vector<SharedPtr<Process>>& KernelCore::GetProcessList() const {
+    return impl->process_list;
+}
+
 void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }

src/core/hle/kernel/kernel.h

@@ -72,6 +72,9 @@ public:
     /// Retrieves a const pointer to the current process.
     const Process* CurrentProcess() const;
 
+    /// Retrieves the list of processes.
+    const std::vector<SharedPtr<Process>>& GetProcessList() const;
+
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
 

src/core/hle/kernel/object.cpp

@@ -24,7 +24,6 @@ bool Object::IsWaitable() const {
     case HandleType::WritableEvent:
     case HandleType::SharedMemory:
     case HandleType::TransferMemory:
-    case HandleType::AddressArbiter:
     case HandleType::ResourceLimit:
     case HandleType::ClientPort:
     case HandleType::ClientSession:

src/core/hle/kernel/object.h

@@ -25,7 +25,6 @@ enum class HandleType : u32 {
     TransferMemory,
     Thread,
     Process,
-    AddressArbiter,
     ResourceLimit,
     ClientPort,
     ServerPort,

src/core/hle/kernel/process.cpp

@@ -80,6 +80,14 @@ u64 Process::GetTotalPhysicalMemoryUsed() const {
     return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size;
 }
 
+void Process::RegisterThread(const Thread* thread) {
+    thread_list.push_back(thread);
+}
+
+void Process::UnregisterThread(const Thread* thread) {
+    thread_list.remove(thread);
+}
+
 ResultCode Process::ClearSignalState() {
     if (status == ProcessStatus::Exited) {
         LOG_ERROR(Kernel, "called on a terminated process instance.");
@@ -249,7 +257,7 @@ void Process::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "Object unavailable!");
 }
 
-bool Process::ShouldWait(Thread* thread) const {
+bool Process::ShouldWait(const Thread* thread) const {
     return !is_signaled;
 }
 

src/core/hle/kernel/process.h

@@ -7,6 +7,7 @@
 #include <array>
 #include <bitset>
 #include <cstddef>
+#include <list>
 #include <string>
 #include <vector>
 #include <boost/container/static_vector.hpp>
@@ -189,6 +190,19 @@ public:
     /// Retrieves the total physical memory used by this process in bytes.
     u64 GetTotalPhysicalMemoryUsed() const;
 
+    /// Gets the list of all threads created with this process as their owner.
+    const std::list<const Thread*>& GetThreadList() const {
+        return thread_list;
+    }
+
+    /// Registers a thread as being created under this process,
+    /// adding it to this process' thread list.
+    void RegisterThread(const Thread* thread);
+
+    /// Unregisters a thread from this process, removing it
+    /// from this process' thread list.
+    void UnregisterThread(const Thread* thread);
+
     /// Clears the signaled state of the process if and only if it's signaled.
     ///
     /// @pre The process must not be already terminated. If this is called on a
@@ -237,7 +251,7 @@ private:
     ~Process() override;
 
     /// Checks if the specified thread should wait until this process is available.
-    bool ShouldWait(Thread* thread) const override;
+    bool ShouldWait(const Thread* thread) const override;
 
     /// Acquires/locks this process for the specified thread if it's available.
     void Acquire(Thread* thread) override;
@@ -308,6 +322,9 @@ private:
     /// Random values for svcGetInfo RandomEntropy
     std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy;
 
+    /// List of threads that are running with this process as their owner.
+    std::list<const Thread*> thread_list;
+
     /// System context
     Core::System& system;
 

src/core/hle/kernel/readable_event.cpp

@@ -14,7 +14,7 @@ namespace Kernel {
 ReadableEvent::ReadableEvent(KernelCore& kernel) : WaitObject{kernel} {}
 ReadableEvent::~ReadableEvent() = default;
 
-bool ReadableEvent::ShouldWait(Thread* thread) const {
+bool ReadableEvent::ShouldWait(const Thread* thread) const {
     return !signaled;
 }
 

src/core/hle/kernel/readable_event.h

@@ -36,7 +36,7 @@ public:
         return HANDLE_TYPE;
     }
 
-    bool ShouldWait(Thread* thread) const override;
+    bool ShouldWait(const Thread* thread) const override;
     void Acquire(Thread* thread) override;
 
     /// Unconditionally clears the readable event's state.

src/core/hle/kernel/resource_limit.cpp

@@ -16,11 +16,8 @@ constexpr std::size_t ResourceTypeToIndex(ResourceType type) {
 ResourceLimit::ResourceLimit(KernelCore& kernel) : Object{kernel} {}
 ResourceLimit::~ResourceLimit() = default;
 
-SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<ResourceLimit> resource_limit(new ResourceLimit(kernel));
-
-    resource_limit->name = std::move(name);
-    return resource_limit;
+SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel) {
+    return new ResourceLimit(kernel);
 }
 
 s64 ResourceLimit::GetCurrentResourceValue(ResourceType resource) const {

src/core/hle/kernel/resource_limit.h

@@ -31,16 +31,14 @@ constexpr bool IsValidResourceType(ResourceType type) {
 
 class ResourceLimit final : public Object {
 public:
-    /**
-     * Creates a resource limit object.
-     */
-    static SharedPtr<ResourceLimit> Create(KernelCore& kernel, std::string name = "Unknown");
+    /// Creates a resource limit object.
+    static SharedPtr<ResourceLimit> Create(KernelCore& kernel);
 
     std::string GetTypeName() const override {
         return "ResourceLimit";
     }
     std::string GetName() const override {
-        return name;
+        return GetTypeName();
     }
 
     static const HandleType HANDLE_TYPE = HandleType::ResourceLimit;
@@ -95,9 +93,6 @@ private:
     ResourceArray limits{};
     /// Current resource limit values.
     ResourceArray values{};
-
-    /// Name of resource limit object.
-    std::string name;
 };
 
 } // namespace Kernel

src/core/hle/kernel/server_port.cpp

@@ -30,7 +30,7 @@ void ServerPort::AppendPendingSession(SharedPtr<ServerSession> pending_session)
     pending_sessions.push_back(std::move(pending_session));
 }
 
-bool ServerPort::ShouldWait(Thread* thread) const {
+bool ServerPort::ShouldWait(const Thread* thread) const {
     // If there are no pending sessions, we wait until a new one is added.
     return pending_sessions.empty();
 }

src/core/hle/kernel/server_port.h

@@ -75,7 +75,7 @@ public:
     /// waiting to be accepted by this port.
     void AppendPendingSession(SharedPtr<ServerSession> pending_session);
 
-    bool ShouldWait(Thread* thread) const override;
+    bool ShouldWait(const Thread* thread) const override;
     void Acquire(Thread* thread) override;
 
 private:

src/core/hle/kernel/server_session.cpp

@@ -46,7 +46,7 @@ ResultVal<SharedPtr<ServerSession>> ServerSession::Create(KernelCore& kernel, st
     return MakeResult(std::move(server_session));
 }
 
-bool ServerSession::ShouldWait(Thread* thread) const {
+bool ServerSession::ShouldWait(const Thread* thread) const {
     // Closed sessions should never wait, an error will be returned from svcReplyAndReceive.
     if (parent->client == nullptr)
         return false;

src/core/hle/kernel/server_session.h

@@ -82,7 +82,7 @@ public:
      */
     ResultCode HandleSyncRequest(SharedPtr<Thread> thread);
 
-    bool ShouldWait(Thread* thread) const override;
+    bool ShouldWait(const Thread* thread) const override;
 
     void Acquire(Thread* thread) override;
 

src/core/hle/kernel/shared_memory.cpp

@@ -9,7 +9,6 @@
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/shared_memory.h"
-#include "core/memory.h"
 
 namespace Kernel {
 
@@ -119,7 +118,15 @@ ResultCode SharedMemory::Map(Process& target_process, VAddr address, MemoryPermi
                                                      ConvertPermissions(permissions));
 }
 
-ResultCode SharedMemory::Unmap(Process& target_process, VAddr address) {
+ResultCode SharedMemory::Unmap(Process& target_process, VAddr address, u64 unmap_size) {
+    if (unmap_size != size) {
+        LOG_ERROR(Kernel,
+                  "Invalid size passed to Unmap. Size must be equal to the size of the "
+                  "memory managed. Shared memory size=0x{:016X}, Unmap size=0x{:016X}",
+                  size, unmap_size);
+        return ERR_INVALID_SIZE;
+    }
+
     // TODO(Subv): Verify what happens if the application tries to unmap an address that is not
     // mapped to a SharedMemory.
     return target_process.VMManager().UnmapRange(address, size);

src/core/hle/kernel/shared_memory.h

@@ -104,11 +104,17 @@ public:
 
     /**
      * Unmaps a shared memory block from the specified address in system memory
+     *
      * @param target_process Process from which to unmap the memory block.
-     * @param address Address in system memory where the shared memory block is mapped
+     * @param address        Address in system memory where the shared memory block is mapped.
+     * @param unmap_size     The amount of bytes to unmap from this shared memory instance.
+     *
      * @return Result code of the unmap operation
+     *
+     * @pre The given size to unmap must be the same size as the amount of memory managed by
+     *      the SharedMemory instance itself, otherwise ERR_INVALID_SIZE will be returned.
      */
-    ResultCode Unmap(Process& target_process, VAddr address);
+    ResultCode Unmap(Process& target_process, VAddr address, u64 unmap_size);
 
     /**
      * Gets a pointer to the shared memory block

src/core/hle/kernel/svc.cpp

@@ -1140,7 +1140,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
         return ERR_INVALID_MEMORY_RANGE;
     }
 
-    return shared_memory->Unmap(*current_process, addr);
+    return shared_memory->Unmap(*current_process, addr, size);
 }
 
 static ResultCode QueryProcessMemory(VAddr memory_info_address, VAddr page_info_address,
@@ -1983,6 +1983,83 @@ static ResultCode SetResourceLimitLimitValue(Handle resource_limit, u32 resource
     return RESULT_SUCCESS;
 }
 
+static ResultCode GetProcessList(u32* out_num_processes, VAddr out_process_ids,
+                                 u32 out_process_ids_size) {
+    LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}",
+              out_process_ids, out_process_ids_size);
+
+    // If the supplied size is negative or greater than INT32_MAX / sizeof(u64), bail.
+    if ((out_process_ids_size & 0xF0000000) != 0) {
+        LOG_ERROR(Kernel_SVC,
+                  "Supplied size outside [0, 0x0FFFFFFF] range. out_process_ids_size={}",
+                  out_process_ids_size);
+        return ERR_OUT_OF_RANGE;
+    }
+
+    const auto& kernel = Core::System::GetInstance().Kernel();
+    const auto& vm_manager = kernel.CurrentProcess()->VMManager();
+    const auto total_copy_size = out_process_ids_size * sizeof(u64);
+
+    if (out_process_ids_size > 0 &&
+        !vm_manager.IsWithinAddressSpace(out_process_ids, total_copy_size)) {
+        LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
+                  out_process_ids, out_process_ids + total_copy_size);
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    const auto& process_list = kernel.GetProcessList();
+    const auto num_processes = process_list.size();
+    const auto copy_amount = std::min(std::size_t{out_process_ids_size}, num_processes);
+
+    for (std::size_t i = 0; i < copy_amount; ++i) {
+        Memory::Write64(out_process_ids, process_list[i]->GetProcessID());
+        out_process_ids += sizeof(u64);
+    }
+
+    *out_num_processes = static_cast<u32>(num_processes);
+    return RESULT_SUCCESS;
+}
+
+ResultCode GetThreadList(u32* out_num_threads, VAddr out_thread_ids, u32 out_thread_ids_size,
+                         Handle debug_handle) {
+    // TODO: Handle this case when debug events are supported.
+    UNIMPLEMENTED_IF(debug_handle != InvalidHandle);
+
+    LOG_DEBUG(Kernel_SVC, "called. out_thread_ids=0x{:016X}, out_thread_ids_size={}",
+              out_thread_ids, out_thread_ids_size);
+
+    // If the size is negative or larger than INT32_MAX / sizeof(u64)
+    if ((out_thread_ids_size & 0xF0000000) != 0) {
+        LOG_ERROR(Kernel_SVC, "Supplied size outside [0, 0x0FFFFFFF] range. size={}",
+                  out_thread_ids_size);
+        return ERR_OUT_OF_RANGE;
+    }
+
+    const auto* const current_process = Core::System::GetInstance().Kernel().CurrentProcess();
+    const auto& vm_manager = current_process->VMManager();
+    const auto total_copy_size = out_thread_ids_size * sizeof(u64);
+
+    if (out_thread_ids_size > 0 &&
+        !vm_manager.IsWithinAddressSpace(out_thread_ids, total_copy_size)) {
+        LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
+                  out_thread_ids, out_thread_ids + total_copy_size);
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    const auto& thread_list = current_process->GetThreadList();
+    const auto num_threads = thread_list.size();
+    const auto copy_amount = std::min(std::size_t{out_thread_ids_size}, num_threads);
+
+    auto list_iter = thread_list.cbegin();
+    for (std::size_t i = 0; i < copy_amount; ++i, ++list_iter) {
+        Memory::Write64(out_thread_ids, (*list_iter)->GetThreadID());
+        out_thread_ids += sizeof(u64);
+    }
+
+    *out_num_threads = static_cast<u32>(num_threads);
+    return RESULT_SUCCESS;
+}
+
 namespace {
 struct FunctionDef {
     using Func = void();
@@ -2095,8 +2172,8 @@ static const FunctionDef SVC_Table[] = {
     {0x62, nullptr, "TerminateDebugProcess"},
     {0x63, nullptr, "GetDebugEvent"},
     {0x64, nullptr, "ContinueDebugEvent"},
-    {0x65, nullptr, "GetProcessList"},
-    {0x66, nullptr, "GetThreadList"},
+    {0x65, SvcWrap<GetProcessList>, "GetProcessList"},
+    {0x66, SvcWrap<GetThreadList>, "GetThreadList"},
     {0x67, nullptr, "GetDebugThreadContext"},
     {0x68, nullptr, "SetDebugThreadContext"},
     {0x69, nullptr, "QueryDebugProcessMemory"},

src/core/hle/kernel/svc_wrap.h

@@ -78,6 +78,14 @@ void SvcWrap() {
     FuncReturn(retval);
 }
 
+template <ResultCode func(u32*, u64, u32)>
+void SvcWrap() {
+    u32 param_1 = 0;
+    const u32 retval = func(&param_1, Param(1), static_cast<u32>(Param(2))).raw;
+    Core::CurrentArmInterface().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
 template <ResultCode func(u64*, u32)>
 void SvcWrap() {
     u64 param_1 = 0;

src/core/hle/kernel/thread.cpp

@@ -28,7 +28,7 @@
 
 namespace Kernel {
 
-bool Thread::ShouldWait(Thread* thread) const {
+bool Thread::ShouldWait(const Thread* thread) const {
     return status != ThreadStatus::Dead;
 }
 
@@ -62,6 +62,8 @@ void Thread::Stop() {
     }
     wait_objects.clear();
 
+    owner_process->UnregisterThread(this);
+
     // Mark the TLS slot in the thread's page as free.
     owner_process->FreeTLSSlot(tls_address);
 }
@@ -202,6 +204,8 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
     thread->scheduler->AddThread(thread);
     thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
 
+    thread->owner_process->RegisterThread(thread.get());
+
     // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
     // to initialize the context
     ResetThreadContext(thread->context, stack_top, entry_point, arg);
@@ -229,16 +233,16 @@ void Thread::SetWaitSynchronizationOutput(s32 output) {
     context.cpu_registers[1] = output;
 }
 
-s32 Thread::GetWaitObjectIndex(WaitObject* object) const {
+s32 Thread::GetWaitObjectIndex(const WaitObject* object) const {
     ASSERT_MSG(!wait_objects.empty(), "Thread is not waiting for anything");
-    auto match = std::find(wait_objects.rbegin(), wait_objects.rend(), object);
+    const auto match = std::find(wait_objects.rbegin(), wait_objects.rend(), object);
     return static_cast<s32>(std::distance(match, wait_objects.rend()) - 1);
 }
 
 VAddr Thread::GetCommandBufferAddress() const {
     // Offset from the start of TLS at which the IPC command buffer begins.
-    static constexpr int CommandHeaderOffset = 0x80;
-    return GetTLSAddress() + CommandHeaderOffset;
+    constexpr u64 command_header_offset = 0x80;
+    return GetTLSAddress() + command_header_offset;
 }
 
 void Thread::SetStatus(ThreadStatus new_status) {
@@ -367,7 +371,7 @@ void Thread::ChangeScheduler() {
     system.CpuCore(processor_id).PrepareReschedule();
 }
 
-bool Thread::AllWaitObjectsReady() {
+bool Thread::AllWaitObjectsReady() const {
     return std::none_of(
         wait_objects.begin(), wait_objects.end(),
         [this](const SharedPtr<WaitObject>& object) { return object->ShouldWait(this); });

src/core/hle/kernel/thread.h

@@ -111,7 +111,7 @@ public:
         return HANDLE_TYPE;
     }
 
-    bool ShouldWait(Thread* thread) const override;
+    bool ShouldWait(const Thread* thread) const override;
     void Acquire(Thread* thread) override;
 
     /**
@@ -205,7 +205,7 @@ public:
      * object in the list.
      * @param object Object to query the index of.
      */
-    s32 GetWaitObjectIndex(WaitObject* object) const;
+    s32 GetWaitObjectIndex(const WaitObject* object) const;
 
     /**
      * Stops a thread, invalidating it from further use
@@ -299,7 +299,7 @@ public:
     }
 
     /// Determines whether all the objects this thread is waiting on are ready.
-    bool AllWaitObjectsReady();
+    bool AllWaitObjectsReady() const;
 
     const MutexWaitingThreads& GetMutexWaitingThreads() const {
         return wait_mutex_threads;

src/core/hle/kernel/transfer_memory.cpp

@@ -14,8 +14,8 @@ namespace Kernel {
 TransferMemory::TransferMemory(KernelCore& kernel) : Object{kernel} {}
 TransferMemory::~TransferMemory() = default;
 
-SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_address,
-                                                 size_t size, MemoryPermission permissions) {
+SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_address, u64 size,
+                                                 MemoryPermission permissions) {
     SharedPtr<TransferMemory> transfer_memory{new TransferMemory(kernel)};
 
     transfer_memory->base_address = base_address;
@@ -26,7 +26,15 @@ SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_
     return transfer_memory;
 }
 
-ResultCode TransferMemory::MapMemory(VAddr address, size_t size, MemoryPermission permissions) {
+const u8* TransferMemory::GetPointer() const {
+    return backing_block.get()->data();
+}
+
+u64 TransferMemory::GetSize() const {
+    return memory_size;
+}
+
+ResultCode TransferMemory::MapMemory(VAddr address, u64 size, MemoryPermission permissions) {
     if (memory_size != size) {
         return ERR_INVALID_SIZE;
     }
@@ -39,13 +47,13 @@ ResultCode TransferMemory::MapMemory(VAddr address, size_t size, MemoryPermissio
         return ERR_INVALID_STATE;
     }
 
+    backing_block = std::make_shared<std::vector<u8>>(size);
+
     const auto map_state = owner_permissions == MemoryPermission::None
                                ? MemoryState::TransferMemoryIsolated
                                : MemoryState::TransferMemory;
     auto& vm_manager = owner_process->VMManager();
-    const auto map_result = vm_manager.MapMemoryBlock(
-        address, std::make_shared<std::vector<u8>>(size), 0, size, map_state);
-
+    const auto map_result = vm_manager.MapMemoryBlock(address, backing_block, 0, size, map_state);
     if (map_result.Failed()) {
         return map_result.Code();
     }
@@ -54,7 +62,7 @@ ResultCode TransferMemory::MapMemory(VAddr address, size_t size, MemoryPermissio
     return RESULT_SUCCESS;
 }
 
-ResultCode TransferMemory::UnmapMemory(VAddr address, size_t size) {
+ResultCode TransferMemory::UnmapMemory(VAddr address, u64 size) {
     if (memory_size != size) {
         return ERR_INVALID_SIZE;
     }

src/core/hle/kernel/transfer_memory.h

@@ -4,6 +4,9 @@
 
 #pragma once
 
+#include <memory>
+#include <vector>
+
 #include "core/hle/kernel/object.h"
 
 union ResultCode;
@@ -25,7 +28,7 @@ class TransferMemory final : public Object {
 public:
     static constexpr HandleType HANDLE_TYPE = HandleType::TransferMemory;
 
-    static SharedPtr<TransferMemory> Create(KernelCore& kernel, VAddr base_address, size_t size,
+    static SharedPtr<TransferMemory> Create(KernelCore& kernel, VAddr base_address, u64 size,
                                             MemoryPermission permissions);
 
     TransferMemory(const TransferMemory&) = delete;
@@ -46,6 +49,12 @@ public:
         return HANDLE_TYPE;
     }
 
+    /// Gets a pointer to the backing block of this instance.
+    const u8* GetPointer() const;
+
+    /// Gets the size of the memory backing this instance in bytes.
+    u64 GetSize() const;
+
     /// Attempts to map transfer memory with the given range and memory permissions.
     ///
     /// @param address     The base address to being mapping memory at.
@@ -56,7 +65,7 @@ public:
     ///      the same values that were given when creating the transfer memory
     ///      instance.
     ///
-    ResultCode MapMemory(VAddr address, size_t size, MemoryPermission permissions);
+    ResultCode MapMemory(VAddr address, u64 size, MemoryPermission permissions);
 
     /// Unmaps the transfer memory with the given range
     ///
@@ -66,17 +75,20 @@ public:
     /// @pre The given address and size must be the same as the ones used
     ///      to create the transfer memory instance.
     ///
-    ResultCode UnmapMemory(VAddr address, size_t size);
+    ResultCode UnmapMemory(VAddr address, u64 size);
 
 private:
     explicit TransferMemory(KernelCore& kernel);
     ~TransferMemory() override;
 
+    /// Memory block backing this instance.
+    std::shared_ptr<std::vector<u8>> backing_block;
+
     /// The base address for the memory managed by this instance.
     VAddr base_address = 0;
 
     /// Size of the memory, in bytes, that this instance manages.
-    size_t memory_size = 0;
+    u64 memory_size = 0;
 
     /// The memory permissions that are applied to this instance.
     MemoryPermission owner_permissions{};

src/core/hle/kernel/wait_object.h

@@ -24,7 +24,7 @@ public:
      * @param thread The thread about which we're deciding.
      * @return True if the current thread should wait due to this object being unavailable
      */
-    virtual bool ShouldWait(Thread* thread) const = 0;
+    virtual bool ShouldWait(const Thread* thread) const = 0;
 
     /// Acquire/lock the object for the specified thread if it is available
     virtual void Acquire(Thread* thread) = 0;

src/core/hle/service/am/am.cpp

@@ -13,7 +13,7 @@
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/readable_event.h"
-#include "core/hle/kernel/shared_memory.h"
+#include "core/hle/kernel/transfer_memory.h"
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/am.h"
@@ -239,8 +239,8 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
         {0, nullptr, "Exit"},
         {1, &ISelfController::LockExit, "LockExit"},
         {2, &ISelfController::UnlockExit, "UnlockExit"},
-        {3, nullptr, "EnterFatalSection"},
-        {4, nullptr, "LeaveFatalSection"},
+        {3, &ISelfController::EnterFatalSection, "EnterFatalSection"},
+        {4, &ISelfController::LeaveFatalSection, "LeaveFatalSection"},
         {9, &ISelfController::GetLibraryAppletLaunchableEvent, "GetLibraryAppletLaunchableEvent"},
         {10, &ISelfController::SetScreenShotPermission, "SetScreenShotPermission"},
         {11, &ISelfController::SetOperationModeChangedNotification, "SetOperationModeChangedNotification"},
@@ -285,41 +285,54 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
 
 ISelfController::~ISelfController() = default;
 
-void ISelfController::SetFocusHandlingMode(Kernel::HLERequestContext& ctx) {
-    // Takes 3 input u8s with each field located immediately after the previous
-    // u8, these are bool flags. No output.
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-
-    IPC::RequestParser rp{ctx};
-
-    struct FocusHandlingModeParams {
-        u8 unknown0;
-        u8 unknown1;
-        u8 unknown2;
-    };
-    auto flags = rp.PopRaw<FocusHandlingModeParams>();
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void ISelfController::SetRestartMessageEnabled(Kernel::HLERequestContext& ctx) {
+void ISelfController::LockExit(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-
-    bool flag = rp.Pop<bool>();
-    LOG_WARNING(Service_AM, "(STUBBED) called flag={}", flag);
+void ISelfController::UnlockExit(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
+void ISelfController::EnterFatalSection(Kernel::HLERequestContext& ctx) {
+    ++num_fatal_sections_entered;
+    LOG_DEBUG(Service_AM, "called. Num fatal sections entered: {}", num_fatal_sections_entered);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void ISelfController::LeaveFatalSection(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_AM, "called.");
+
+    // Entry and exit of fatal sections must be balanced.
+    if (num_fatal_sections_entered == 0) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultCode{ErrorModule::AM, 512});
+        return;
+    }
+
+    --num_fatal_sections_entered;
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    launchable_event.writable->Signal();
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushCopyObjects(launchable_event.readable);
+}
+
 void ISelfController::SetScreenShotPermission(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
@@ -337,6 +350,42 @@ void ISelfController::SetOperationModeChangedNotification(Kernel::HLERequestCont
     rb.Push(RESULT_SUCCESS);
 }
 
+void ISelfController::SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    bool flag = rp.Pop<bool>();
+    LOG_WARNING(Service_AM, "(STUBBED) called flag={}", flag);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void ISelfController::SetFocusHandlingMode(Kernel::HLERequestContext& ctx) {
+    // Takes 3 input u8s with each field located immediately after the previous
+    // u8, these are bool flags. No output.
+    IPC::RequestParser rp{ctx};
+
+    struct FocusHandlingModeParams {
+        u8 unknown0;
+        u8 unknown1;
+        u8 unknown2;
+    };
+    const auto flags = rp.PopRaw<FocusHandlingModeParams>();
+
+    LOG_WARNING(Service_AM, "(STUBBED) called. unknown0={}, unknown1={}, unknown2={}",
+                flags.unknown0, flags.unknown1, flags.unknown2);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void ISelfController::SetRestartMessageEnabled(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
 void ISelfController::SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx) {
     // Takes 3 input u8s with each field located immediately after the previous
     // u8, these are bool flags. No output.
@@ -349,30 +398,6 @@ void ISelfController::SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext&
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::LockExit(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void ISelfController::UnlockExit(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-
-    launchable_event.writable->Signal();
-
-    IPC::ResponseBuilder rb{ctx, 2, 1};
-    rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(launchable_event.readable);
-}
-
 void ISelfController::SetScreenShotImageOrientation(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
@@ -907,19 +932,19 @@ void ILibraryAppletCreator::CreateTransferMemoryStorage(Kernel::HLERequestContex
     rp.SetCurrentOffset(3);
     const auto handle{rp.Pop<Kernel::Handle>()};
 
-    const auto shared_mem =
-        Core::System::GetInstance().CurrentProcess()->GetHandleTable().Get<Kernel::SharedMemory>(
+    const auto transfer_mem =
+        Core::System::GetInstance().CurrentProcess()->GetHandleTable().Get<Kernel::TransferMemory>(
             handle);
 
-    if (shared_mem == nullptr) {
+    if (transfer_mem == nullptr) {
         LOG_ERROR(Service_AM, "shared_mem is a nullpr for handle={:08X}", handle);
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultCode(-1));
         return;
     }
 
-    const u8* mem_begin = shared_mem->GetPointer();
-    const u8* mem_end = mem_begin + shared_mem->GetSize();
+    const u8* const mem_begin = transfer_mem->GetPointer();
+    const u8* const mem_end = mem_begin + transfer_mem->GetSize();
     std::vector<u8> memory{mem_begin, mem_end};
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};

src/core/hle/service/am/am.h

@@ -117,17 +117,19 @@ public:
     ~ISelfController() override;
 
 private:
-    void SetFocusHandlingMode(Kernel::HLERequestContext& ctx);
-    void SetRestartMessageEnabled(Kernel::HLERequestContext& ctx);
-    void SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx);
-    void SetOperationModeChangedNotification(Kernel::HLERequestContext& ctx);
-    void SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx);
     void LockExit(Kernel::HLERequestContext& ctx);
     void UnlockExit(Kernel::HLERequestContext& ctx);
+    void EnterFatalSection(Kernel::HLERequestContext& ctx);
+    void LeaveFatalSection(Kernel::HLERequestContext& ctx);
     void GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx);
+    void SetScreenShotPermission(Kernel::HLERequestContext& ctx);
+    void SetOperationModeChangedNotification(Kernel::HLERequestContext& ctx);
+    void SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx);
+    void SetFocusHandlingMode(Kernel::HLERequestContext& ctx);
+    void SetRestartMessageEnabled(Kernel::HLERequestContext& ctx);
+    void SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx);
     void SetScreenShotImageOrientation(Kernel::HLERequestContext& ctx);
     void CreateManagedDisplayLayer(Kernel::HLERequestContext& ctx);
-    void SetScreenShotPermission(Kernel::HLERequestContext& ctx);
     void SetHandlesRequestToDisplay(Kernel::HLERequestContext& ctx);
     void SetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
     void GetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
@@ -135,6 +137,7 @@ private:
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     Kernel::EventPair launchable_event;
     u32 idle_time_detection_extension = 0;
+    u64 num_fatal_sections_entered = 0;
 };
 
 class ICommonStateGetter final : public ServiceFramework<ICommonStateGetter> {

src/core/hle/service/audio/audout_u.cpp

@@ -150,7 +150,6 @@ private:
     void GetReleasedAudioOutBufferImpl(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_Audio, "called {}", ctx.Description());
 
-        IPC::RequestParser rp{ctx};
         const u64 max_count{ctx.GetWriteBufferSize() / sizeof(u64)};
         const auto released_buffers{audio_core.GetTagsAndReleaseBuffers(stream, max_count)};
 
@@ -194,12 +193,9 @@ private:
 void AudOutU::ListAudioOutsImpl(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_Audio, "called");
 
-    IPC::RequestParser rp{ctx};
-
     ctx.WriteBuffer(DefaultDevice);
 
     IPC::ResponseBuilder rb{ctx, 3};
-
     rb.Push(RESULT_SUCCESS);
     rb.Push<u32>(1); // Amount of audio devices
 }

src/core/hle/service/audio/audren_u.cpp

@@ -10,6 +10,7 @@
 #include "common/alignment.h"
 #include "common/common_funcs.h"
 #include "common/logging/log.h"
+#include "common/string_util.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/hle_ipc.h"
@@ -184,7 +185,6 @@ public:
 private:
     void ListAudioDeviceName(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_Audio, "(STUBBED) called");
-        IPC::RequestParser rp{ctx};
 
         constexpr std::array<char, 15> audio_interface{{"AudioInterface"}};
         ctx.WriteBuffer(audio_interface);
@@ -195,13 +195,13 @@ private:
     }
 
     void SetAudioDeviceOutputVolume(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_Audio, "(STUBBED) called");
-
         IPC::RequestParser rp{ctx};
-        f32 volume = static_cast<f32>(rp.Pop<u32>());
+        const f32 volume = rp.Pop<f32>();
 
-        auto file_buffer = ctx.ReadBuffer();
-        auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
+        const auto device_name_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(device_name_buffer);
+
+        LOG_WARNING(Service_Audio, "(STUBBED) called. name={}, volume={}", name, volume);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
@@ -209,7 +209,6 @@ private:
 
     void GetActiveAudioDeviceName(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_Audio, "(STUBBED) called");
-        IPC::RequestParser rp{ctx};
 
         constexpr std::array<char, 12> audio_interface{{"AudioDevice"}};
         ctx.WriteBuffer(audio_interface);

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -315,61 +315,53 @@ public:
     void CreateFile(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        u64 mode = rp.Pop<u64>();
-        u32 size = rp.Pop<u32>();
+        const u64 mode = rp.Pop<u64>();
+        const u32 size = rp.Pop<u32>();
 
-        LOG_DEBUG(Service_FS, "called file {} mode 0x{:X} size 0x{:08X}", name, mode, size);
+        LOG_DEBUG(Service_FS, "called. file={}, mode=0x{:X}, size=0x{:08X}", name, mode, size);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.CreateFile(name, size));
     }
 
     void DeleteFile(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
-
-        LOG_DEBUG(Service_FS, "called file {}", name);
+        LOG_DEBUG(Service_FS, "called. file={}", name);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.DeleteFile(name));
     }
 
     void CreateDirectory(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
-
-        LOG_DEBUG(Service_FS, "called directory {}", name);
+        LOG_DEBUG(Service_FS, "called. directory={}", name);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.CreateDirectory(name));
     }
 
     void DeleteDirectory(Kernel::HLERequestContext& ctx) {
-        const IPC::RequestParser rp{ctx};
-
         const auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        LOG_DEBUG(Service_FS, "called directory {}", name);
+        LOG_DEBUG(Service_FS, "called. directory={}", name);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.DeleteDirectory(name));
     }
 
     void DeleteDirectoryRecursively(Kernel::HLERequestContext& ctx) {
-        const IPC::RequestParser rp{ctx};
-
         const auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        LOG_DEBUG(Service_FS, "called directory {}", name);
+        LOG_DEBUG(Service_FS, "called. directory={}", name);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.DeleteDirectoryRecursively(name));
@@ -386,18 +378,16 @@ public:
     }
 
     void RenameFile(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-
         std::vector<u8> buffer;
         buffer.resize(ctx.BufferDescriptorX()[0].Size());
         Memory::ReadBlock(ctx.BufferDescriptorX()[0].Address(), buffer.data(), buffer.size());
-        std::string src_name = Common::StringFromBuffer(buffer);
+        const std::string src_name = Common::StringFromBuffer(buffer);
 
         buffer.resize(ctx.BufferDescriptorX()[1].Size());
         Memory::ReadBlock(ctx.BufferDescriptorX()[1].Address(), buffer.data(), buffer.size());
-        std::string dst_name = Common::StringFromBuffer(buffer);
+        const std::string dst_name = Common::StringFromBuffer(buffer);
 
-        LOG_DEBUG(Service_FS, "called file '{}' to file '{}'", src_name, dst_name);
+        LOG_DEBUG(Service_FS, "called. file '{}' to file '{}'", src_name, dst_name);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(backend.RenameFile(src_name, dst_name));
@@ -406,12 +396,12 @@ public:
     void OpenFile(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        auto mode = static_cast<FileSys::Mode>(rp.Pop<u32>());
+        const auto mode = static_cast<FileSys::Mode>(rp.Pop<u32>());
 
-        LOG_DEBUG(Service_FS, "called file {} mode {}", name, static_cast<u32>(mode));
+        LOG_DEBUG(Service_FS, "called. file={}, mode={}", name, static_cast<u32>(mode));
 
         auto result = backend.OpenFile(name, mode);
         if (result.Failed()) {
@@ -430,13 +420,13 @@ public:
     void OpenDirectory(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
         // TODO(Subv): Implement this filter.
-        u32 filter_flags = rp.Pop<u32>();
+        const u32 filter_flags = rp.Pop<u32>();
 
-        LOG_DEBUG(Service_FS, "called directory {} filter {}", name, filter_flags);
+        LOG_DEBUG(Service_FS, "called. directory={}, filter={}", name, filter_flags);
 
         auto result = backend.OpenDirectory(name);
         if (result.Failed()) {
@@ -453,12 +443,10 @@ public:
     }
 
     void GetEntryType(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
 
-        auto file_buffer = ctx.ReadBuffer();
-        std::string name = Common::StringFromBuffer(file_buffer);
-
-        LOG_DEBUG(Service_FS, "called file {}", name);
+        LOG_DEBUG(Service_FS, "called. file={}", name);
 
         auto result = backend.GetEntryType(name);
         if (result.Failed()) {

src/core/hle/service/sockets/sfdnsres.cpp

@@ -8,12 +8,20 @@
 namespace Service::Sockets {
 
 void SFDNSRES::GetAddrInfo(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        u8 use_nsd_resolve;
+        u32 unknown;
+        u64 process_id;
+    };
 
-    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestParser rp{ctx};
+    const auto parameters = rp.PopRaw<Parameters>();
+
+    LOG_WARNING(Service,
+                "(STUBBED) called. use_nsd_resolve={}, unknown=0x{:08X}, process_id=0x{:016X}",
+                parameters.use_nsd_resolve, parameters.unknown, parameters.process_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
-
     rb.Push(RESULT_SUCCESS);
 }
 

src/core/hle/service/spl/module.cpp

@@ -26,9 +26,7 @@ Module::Interface::~Interface() = default;
 void Module::Interface::GetRandomBytes(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_SPL, "called");
 
-    IPC::RequestParser rp{ctx};
-
-    std::size_t size = ctx.GetWriteBufferSize();
+    const std::size_t size = ctx.GetWriteBufferSize();
 
     std::uniform_int_distribution<u16> distribution(0, std::numeric_limits<u8>::max());
     std::vector<u8> data(size);

src/core/hle/service/ssl/ssl.cpp

@@ -68,9 +68,16 @@ public:
 
 private:
     void SetOption(Kernel::HLERequestContext& ctx) {
-        LOG_WARNING(Service_SSL, "(STUBBED) called");
+        struct Parameters {
+            u8 enable;
+            u32 option;
+        };
 
         IPC::RequestParser rp{ctx};
+        const auto parameters = rp.PopRaw<Parameters>();
+
+        LOG_WARNING(Service_SSL, "(STUBBED) called. enable={}, option={}", parameters.enable,
+                    parameters.option);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);

src/core/hle/service/vi/vi.cpp

@@ -1037,7 +1037,6 @@ private:
     void ListDisplays(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_VI, "(STUBBED) called");
 
-        IPC::RequestParser rp{ctx};
         DisplayInfo display_info;
         display_info.width *= static_cast<u64>(Settings::values.resolution_factor);
         display_info.height *= static_cast<u64>(Settings::values.resolution_factor);

src/core/loader/nso.cpp

@@ -4,11 +4,12 @@
 
 #include <cinttypes>
 #include <vector>
-#include <lz4.h>
+
 #include "common/common_funcs.h"
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "common/lz4_compression.h"
 #include "common/swap.h"
 #include "core/core.h"
 #include "core/file_sys/patch_manager.h"
@@ -35,15 +36,11 @@ static_assert(sizeof(MODHeader) == 0x1c, "MODHeader has incorrect size.");
 
 std::vector<u8> DecompressSegment(const std::vector<u8>& compressed_data,
                                   const NSOSegmentHeader& header) {
-    std::vector<u8> uncompressed_data(header.size);
-    const int bytes_uncompressed =
-        LZ4_decompress_safe(reinterpret_cast<const char*>(compressed_data.data()),
-                            reinterpret_cast<char*>(uncompressed_data.data()),
-                            static_cast<int>(compressed_data.size()), header.size);
+    const std::vector<u8> uncompressed_data =
+        Common::Compression::DecompressDataLZ4(compressed_data, header.size);
 
-    ASSERT_MSG(bytes_uncompressed == static_cast<int>(header.size) &&
-                   bytes_uncompressed == static_cast<int>(uncompressed_data.size()),
-               "{} != {} != {}", bytes_uncompressed, header.size, uncompressed_data.size());
+    ASSERT_MSG(uncompressed_data.size() == static_cast<int>(header.size), "{} != {}", header.size,
+               uncompressed_data.size());
 
     return uncompressed_data;
 }

src/video_core/CMakeLists.txt

@@ -128,7 +128,9 @@ if (ENABLE_VULKAN)
         renderer_vulkan/vk_scheduler.cpp
         renderer_vulkan/vk_scheduler.h
         renderer_vulkan/vk_stream_buffer.cpp
-        renderer_vulkan/vk_stream_buffer.h)
+        renderer_vulkan/vk_stream_buffer.h
+        renderer_vulkan/vk_swapchain.cpp
+        renderer_vulkan/vk_swapchain.h)
 
     target_include_directories(video_core PRIVATE ../../externals/Vulkan-Headers/include)
     target_compile_definitions(video_core PRIVATE HAS_VULKAN)
@@ -137,4 +139,4 @@ endif()
 create_target_directory_groups(video_core)
 
 target_link_libraries(video_core PUBLIC common core)
-target_link_libraries(video_core PRIVATE glad lz4_static)
+target_link_libraries(video_core PRIVATE glad)

src/video_core/gpu_asynch.cpp

@@ -9,7 +9,7 @@
 namespace VideoCommon {
 
 GPUAsynch::GPUAsynch(Core::System& system, VideoCore::RendererBase& renderer)
-    : Tegra::GPU(system, renderer), gpu_thread{renderer, *dma_pusher} {}
+    : Tegra::GPU(system, renderer), gpu_thread{system, renderer, *dma_pusher} {}
 
 GPUAsynch::~GPUAsynch() = default;
 

src/video_core/gpu_thread.cpp

@@ -4,6 +4,9 @@
 
 #include "common/assert.h"
 #include "common/microprofile.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/core_timing_util.h"
 #include "core/frontend/scope_acquire_window_context.h"
 #include "video_core/dma_pusher.h"
 #include "video_core/gpu.h"
@@ -36,7 +39,6 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
                 dma_pusher.Push(std::move(submit_list->entries));
                 dma_pusher.DispatchCalls();
             } else if (const auto data = std::get_if<SwapBuffersCommand>(&next.data)) {
-                state.DecrementFramesCounter();
                 renderer.SwapBuffers(std::move(data->framebuffer));
             } else if (const auto data = std::get_if<FlushRegionCommand>(&next.data)) {
                 renderer.Rasterizer().FlushRegion(data->addr, data->size);
@@ -47,13 +49,18 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
             } else {
                 UNREACHABLE();
             }
+            state.signaled_fence = next.fence;
+            state.TrySynchronize();
         }
     }
 }
 
-ThreadManager::ThreadManager(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher)
-    : renderer{renderer}, thread{RunThread, std::ref(renderer), std::ref(dma_pusher),
-                                 std::ref(state)} {}
+ThreadManager::ThreadManager(Core::System& system, VideoCore::RendererBase& renderer,
+                             Tegra::DmaPusher& dma_pusher)
+    : system{system}, thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)} {
+    synchronization_event = system.CoreTiming().RegisterEvent(
+        "GPUThreadSynch", [this](u64 fence, int) { state.WaitForSynchronization(fence); });
+}
 
 ThreadManager::~ThreadManager() {
     // Notify GPU thread that a shutdown is pending
@@ -62,14 +69,14 @@ ThreadManager::~ThreadManager() {
 }
 
 void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
-    PushCommand(SubmitListCommand(std::move(entries)));
+    const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))};
+    const s64 synchronization_ticks{Core::Timing::usToCycles(9000)};
+    system.CoreTiming().ScheduleEvent(synchronization_ticks, synchronization_event, fence);
 }
 
 void ThreadManager::SwapBuffers(
     std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) {
-    state.IncrementFramesCounter();
     PushCommand(SwapBuffersCommand(std::move(framebuffer)));
-    state.WaitForFrames();
 }
 
 void ThreadManager::FlushRegion(CacheAddr addr, u64 size) {
@@ -79,7 +86,7 @@ void ThreadManager::FlushRegion(CacheAddr addr, u64 size) {
 void ThreadManager::InvalidateRegion(CacheAddr addr, u64 size) {
     if (state.queue.Empty()) {
         // It's quicker to invalidate a single region on the CPU if the queue is already empty
-        renderer.Rasterizer().InvalidateRegion(addr, size);
+        system.Renderer().Rasterizer().InvalidateRegion(addr, size);
     } else {
         PushCommand(InvalidateRegionCommand(addr, size));
     }
@@ -90,9 +97,25 @@ void ThreadManager::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
     InvalidateRegion(addr, size);
 }
 
-void ThreadManager::PushCommand(CommandData&& command_data) {
-    state.queue.Push(CommandDataContainer(std::move(command_data)));
+u64 ThreadManager::PushCommand(CommandData&& command_data) {
+    const u64 fence{++state.last_fence};
+    state.queue.Push(CommandDataContainer(std::move(command_data), fence));
     state.SignalCommands();
+    return fence;
+}
+
+MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
+void SynchState::WaitForSynchronization(u64 fence) {
+    if (signaled_fence >= fence) {
+        return;
+    }
+
+    // Wait for the GPU to be idle (all commands to be executed)
+    {
+        MICROPROFILE_SCOPE(GPU_wait);
+        std::unique_lock<std::mutex> lock{synchronization_mutex};
+        synchronization_condition.wait(lock, [this, fence] { return signaled_fence >= fence; });
+    }
 }
 
 } // namespace VideoCommon::GPUThread

src/video_core/gpu_thread.h

@@ -19,9 +19,12 @@ struct FramebufferConfig;
 class DmaPusher;
 } // namespace Tegra
 
-namespace VideoCore {
-class RendererBase;
-} // namespace VideoCore
+namespace Core {
+class System;
+namespace Timing {
+struct EventType;
+} // namespace Timing
+} // namespace Core
 
 namespace VideoCommon::GPUThread {
 
@@ -75,63 +78,47 @@ using CommandData =
 struct CommandDataContainer {
     CommandDataContainer() = default;
 
-    CommandDataContainer(CommandData&& data) : data{std::move(data)} {}
+    CommandDataContainer(CommandData&& data, u64 next_fence)
+        : data{std::move(data)}, fence{next_fence} {}
 
     CommandDataContainer& operator=(const CommandDataContainer& t) {
         data = std::move(t.data);
+        fence = t.fence;
         return *this;
     }
 
     CommandData data;
+    u64 fence{};
 };
 
 /// Struct used to synchronize the GPU thread
 struct SynchState final {
     std::atomic_bool is_running{true};
     std::atomic_int queued_frame_count{};
-    std::mutex frames_mutex;
+    std::mutex synchronization_mutex;
     std::mutex commands_mutex;
     std::condition_variable commands_condition;
-    std::condition_variable frames_condition;
+    std::condition_variable synchronization_condition;
 
-    void IncrementFramesCounter() {
-        std::lock_guard lock{frames_mutex};
-        ++queued_frame_count;
+    /// Returns true if the gap in GPU commands is small enough that we can consider the CPU and GPU
+    /// synchronized. This is entirely empirical.
+    bool IsSynchronized() const {
+        constexpr std::size_t max_queue_gap{5};
+        return queue.Size() <= max_queue_gap;
     }
 
-    void DecrementFramesCounter() {
-        {
-            std::lock_guard lock{frames_mutex};
-            --queued_frame_count;
-
-            if (queued_frame_count) {
-                return;
-            }
-        }
-        frames_condition.notify_one();
-    }
-
-    void WaitForFrames() {
-        {
-            std::lock_guard lock{frames_mutex};
-            if (!queued_frame_count) {
-                return;
-            }
-        }
-
-        // Wait for the GPU to be idle (all commands to be executed)
-        {
-            std::unique_lock lock{frames_mutex};
-            frames_condition.wait(lock, [this] { return !queued_frame_count; });
+    void TrySynchronize() {
+        if (IsSynchronized()) {
+            std::lock_guard<std::mutex> lock{synchronization_mutex};
+            synchronization_condition.notify_one();
         }
     }
 
+    void WaitForSynchronization(u64 fence);
+
     void SignalCommands() {
-        {
-            std::unique_lock lock{commands_mutex};
-            if (queue.Empty()) {
-                return;
-            }
+        if (queue.Empty()) {
+            return;
         }
 
         commands_condition.notify_one();
@@ -144,12 +131,15 @@ struct SynchState final {
 
     using CommandQueue = Common::SPSCQueue<CommandDataContainer>;
     CommandQueue queue;
+    u64 last_fence{};
+    std::atomic<u64> signaled_fence{};
 };
 
 /// Class used to manage the GPU thread
 class ThreadManager final {
 public:
-    explicit ThreadManager(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher);
+    explicit ThreadManager(Core::System& system, VideoCore::RendererBase& renderer,
+                           Tegra::DmaPusher& dma_pusher);
     ~ThreadManager();
 
     /// Push GPU command entries to be processed
@@ -170,11 +160,12 @@ public:
 
 private:
     /// Pushes a command to be executed by the GPU thread
-    void PushCommand(CommandData&& command_data);
+    u64 PushCommand(CommandData&& command_data);
 
 private:
     SynchState state;
-    VideoCore::RendererBase& renderer;
+    Core::System& system;
+    Core::Timing::EventType* synchronization_event{};
     std::thread thread;
     std::thread::id thread_id;
 };

src/video_core/renderer_opengl/gl_buffer_cache.cpp

@@ -7,7 +7,6 @@
 
 #include "common/alignment.h"
 #include "core/core.h"
-#include "core/memory.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
 

src/video_core/renderer_opengl/gl_global_cache.cpp

@@ -4,7 +4,6 @@
 
 #include <glad/glad.h>
 
-#include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "video_core/renderer_opengl/gl_global_cache.h"

src/video_core/renderer_opengl/gl_primitive_assembler.cpp

@@ -7,7 +7,7 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "core/core.h"
-#include "core/memory.h"
+#include "video_core/memory_manager.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
 #include "video_core/renderer_opengl/gl_primitive_assembler.h"
 

src/video_core/renderer_opengl/gl_primitive_assembler.h

@@ -4,11 +4,9 @@
 
 #pragma once
 
-#include <vector>
 #include <glad/glad.h>
 
 #include "common/common_types.h"
-#include "video_core/memory_manager.h"
 
 namespace OpenGL {
 

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -17,7 +17,6 @@
 #include "common/microprofile.h"
 #include "common/scope_exit.h"
 #include "core/core.h"
-#include "core/frontend/emu_window.h"
 #include "core/hle/kernel/process.h"
 #include "core/settings.h"
 #include "video_core/engines/maxwell_3d.h"
@@ -26,7 +25,6 @@
 #include "video_core/renderer_opengl/gl_shader_gen.h"
 #include "video_core/renderer_opengl/maxwell_to_gl.h"
 #include "video_core/renderer_opengl/renderer_opengl.h"
-#include "video_core/video_core.h"
 
 namespace OpenGL {
 
@@ -318,7 +316,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
         const std::size_t stage{index == 0 ? 0 : index - 1}; // Stage indices are 0 - 5
 
         GLShader::MaxwellUniformData ubo{};
-        ubo.SetFromRegs(gpu.state.shader_stages[stage]);
+        ubo.SetFromRegs(gpu, stage);
         const GLintptr offset = buffer_cache.UploadHostMemory(
             &ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
 

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -12,15 +12,12 @@
 #include <optional>
 #include <tuple>
 #include <utility>
-#include <vector>
 
 #include <boost/icl/interval_map.hpp>
-#include <boost/range/iterator_range.hpp>
 #include <glad/glad.h>
 
 #include "common/common_types.h"
 #include "video_core/engines/maxwell_3d.h"
-#include "video_core/memory_manager.h"
 #include "video_core/rasterizer_cache.h"
 #include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
@@ -29,10 +26,8 @@
 #include "video_core/renderer_opengl/gl_rasterizer_cache.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
-#include "video_core/renderer_opengl/gl_shader_gen.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/gl_state.h"
-#include "video_core/renderer_opengl/gl_stream_buffer.h"
 
 namespace Core {
 class System;

src/video_core/renderer_opengl/gl_rasterizer_cache.cpp

@@ -13,7 +13,6 @@
 #include "common/scope_exit.h"
 #include "core/core.h"
 #include "core/hle/kernel/process.h"
-#include "core/memory.h"
 #include "core/settings.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/morton.h"

src/video_core/renderer_opengl/gl_rasterizer_cache.h

@@ -5,10 +5,9 @@
 #pragma once
 
 #include <array>
-#include <map>
 #include <memory>
 #include <string>
-#include <unordered_set>
+#include <tuple>
 #include <vector>
 
 #include "common/alignment.h"

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -6,13 +6,11 @@
 #include "common/assert.h"
 #include "common/hash.h"
 #include "core/core.h"
-#include "core/memory.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_disk_cache.h"
-#include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/utils.h"
 #include "video_core/shader/shader_ir.h"
 

src/video_core/renderer_opengl/gl_shader_cache.h

@@ -5,21 +5,20 @@
 #pragma once
 
 #include <array>
+#include <atomic>
 #include <memory>
 #include <set>
 #include <tuple>
 #include <unordered_map>
+#include <vector>
 
 #include <glad/glad.h>
 
-#include "common/assert.h"
 #include "common/common_types.h"
 #include "video_core/rasterizer_cache.h"
-#include "video_core/renderer_base.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_disk_cache.h"
-#include "video_core/renderer_opengl/gl_shader_gen.h"
 
 namespace Core {
 class System;

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -1196,11 +1196,12 @@ private:
         switch (meta->element) {
         case 0:
         case 1:
-            return "textureSize(" + sampler + ", " + lod + ')' + GetSwizzle(meta->element);
+            return "itof(int(textureSize(" + sampler + ", " + lod + ')' +
+                   GetSwizzle(meta->element) + "))";
         case 2:
             return "0";
         case 3:
-            return "textureQueryLevels(" + sampler + ')';
+            return "itof(textureQueryLevels(" + sampler + "))";
         }
         UNREACHABLE();
         return "0";

src/video_core/renderer_opengl/gl_shader_decompiler.h

@@ -5,7 +5,6 @@
 #pragma once
 
 #include <array>
-#include <set>
 #include <string>
 #include <utility>
 #include <vector>

src/video_core/renderer_opengl/gl_shader_disk_cache.cpp

@@ -4,13 +4,13 @@
 
 #include <cstring>
 #include <fmt/format.h>
-#include <lz4.h>
 
 #include "common/assert.h"
 #include "common/common_paths.h"
 #include "common/common_types.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
+#include "common/lz4_compression.h"
 #include "common/scm_rev.h"
 
 #include "core/core.h"
@@ -49,39 +49,6 @@ ShaderCacheVersionHash GetShaderCacheVersionHash() {
     return hash;
 }
 
-template <typename T>
-std::vector<u8> CompressData(const T* source, std::size_t source_size) {
-    if (source_size > LZ4_MAX_INPUT_SIZE) {
-        // Source size exceeds LZ4 maximum input size
-        return {};
-    }
-    const auto source_size_int = static_cast<int>(source_size);
-    const int max_compressed_size = LZ4_compressBound(source_size_int);
-    std::vector<u8> compressed(max_compressed_size);
-    const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
-                                                     reinterpret_cast<char*>(compressed.data()),
-                                                     source_size_int, max_compressed_size);
-    if (compressed_size <= 0) {
-        // Compression failed
-        return {};
-    }
-    compressed.resize(compressed_size);
-    return compressed;
-}
-
-std::vector<u8> DecompressData(const std::vector<u8>& compressed, std::size_t uncompressed_size) {
-    std::vector<u8> uncompressed(uncompressed_size);
-    const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
-                                               reinterpret_cast<char*>(uncompressed.data()),
-                                               static_cast<int>(compressed.size()),
-                                               static_cast<int>(uncompressed.size()));
-    if (static_cast<int>(uncompressed_size) != size_check) {
-        // Decompression failed
-        return {};
-    }
-    return uncompressed;
-}
-
 } // namespace
 
 ShaderDiskCacheRaw::ShaderDiskCacheRaw(u64 unique_identifier, Maxwell::ShaderProgram program_type,
@@ -292,7 +259,7 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
                 return {};
             }
 
-            dump.binary = DecompressData(compressed_binary, binary_length);
+            dump.binary = Common::Compression::DecompressDataLZ4(compressed_binary, binary_length);
             if (dump.binary.empty()) {
                 return {};
             }
@@ -321,7 +288,7 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
         return {};
     }
 
-    const std::vector<u8> code = DecompressData(compressed_code, code_size);
+    const std::vector<u8> code = Common::Compression::DecompressDataLZ4(compressed_code, code_size);
     if (code.empty()) {
         return {};
     }
@@ -507,7 +474,8 @@ void ShaderDiskCacheOpenGL::SaveDecompiled(u64 unique_identifier, const std::str
     if (!IsUsable())
         return;
 
-    const std::vector<u8> compressed_code{CompressData(code.data(), code.size())};
+    const std::vector<u8> compressed_code{Common::Compression::CompressDataLZ4HC(
+        reinterpret_cast<const u8*>(code.data()), code.size(), 9)};
     if (compressed_code.empty()) {
         LOG_ERROR(Render_OpenGL, "Failed to compress GLSL code - skipping shader {:016x}",
                   unique_identifier);
@@ -537,7 +505,9 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
     std::vector<u8> binary(binary_length);
     glGetProgramBinary(program, binary_length, nullptr, &binary_format, binary.data());
 
-    const std::vector<u8> compressed_binary = CompressData(binary.data(), binary.size());
+    const std::vector<u8> compressed_binary =
+        Common::Compression::CompressDataLZ4HC(binary.data(), binary.size(), 9);
+
     if (compressed_binary.empty()) {
         LOG_ERROR(Render_OpenGL, "Failed to compress binary program in shader={:016x}",
                   usage.unique_identifier);

src/video_core/renderer_opengl/gl_shader_gen.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <fmt/format.h>
-#include "common/assert.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_gen.h"

src/video_core/renderer_opengl/gl_shader_gen.h

@@ -4,12 +4,9 @@
 
 #pragma once
 
-#include <array>
-#include <string>
 #include <vector>
 
 #include "common/common_types.h"
-#include "video_core/engines/shader_bytecode.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/shader/shader_ir.h"
 

src/video_core/renderer_opengl/gl_shader_manager.cpp

@@ -2,15 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/core.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 
 namespace OpenGL::GLShader {
 
-void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage) {
-    const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
-    const auto& regs = gpu.regs;
-    const auto& state = gpu.state;
+using Tegra::Engines::Maxwell3D;
+
+void MaxwellUniformData::SetFromRegs(const Maxwell3D& maxwell, std::size_t shader_stage) {
+    const auto& regs = maxwell.regs;
+    const auto& state = maxwell.state;
 
     // TODO(bunnei): Support more than one viewport
     viewport_flip[0] = regs.viewport_transform[0].scale_x < 0.0 ? -1.0f : 1.0f;
@@ -18,7 +18,7 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& sh
 
     u32 func = static_cast<u32>(regs.alpha_test_func);
     // Normalize the gl variants of opCompare to be the same as the normal variants
-    u32 op_gl_variant_base = static_cast<u32>(Tegra::Engines::Maxwell3D::Regs::ComparisonOp::Never);
+    const u32 op_gl_variant_base = static_cast<u32>(Maxwell3D::Regs::ComparisonOp::Never);
     if (func >= op_gl_variant_base) {
         func = func - op_gl_variant_base + 1U;
     }
@@ -31,8 +31,9 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& sh
 
     // Assign in which stage the position has to be flipped
     // (the last stage before the fragment shader).
-    if (gpu.regs.shader_config[static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry)].enable) {
-        flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry);
+    constexpr u32 geometry_index = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry);
+    if (maxwell.regs.shader_config[geometry_index].enable) {
+        flip_stage = geometry_index;
     } else {
         flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::VertexB);
     }

src/video_core/renderer_opengl/gl_shader_manager.h

@@ -12,14 +12,13 @@
 
 namespace OpenGL::GLShader {
 
-using Tegra::Engines::Maxwell3D;
-
 /// Uniform structure for the Uniform Buffer Object, all vectors must be 16-byte aligned
-// NOTE: Always keep a vec4 at the end. The GL spec is not clear whether the alignment at
-//       the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
-//       Not following that rule will cause problems on some AMD drivers.
+/// @note Always keep a vec4 at the end. The GL spec is not clear whether the alignment at
+///       the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
+///       Not following that rule will cause problems on some AMD drivers.
 struct MaxwellUniformData {
-    void SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage);
+    void SetFromRegs(const Tegra::Engines::Maxwell3D& maxwell, std::size_t shader_stage);
+
     alignas(16) GLvec4 viewport_flip;
     struct alignas(16) {
         GLuint instance_id;

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -5,7 +5,6 @@
 #include <algorithm>
 #include <cstddef>
 #include <cstdlib>
-#include <cstring>
 #include <memory>
 #include <glad/glad.h>
 #include "common/assert.h"

src/video_core/renderer_vulkan/vk_swapchain.cpp

@@ -0,0 +1,210 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include <limits>
+#include <vector>
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/frontend/framebuffer_layout.h"
+#include "video_core/renderer_vulkan/declarations.h"
+#include "video_core/renderer_vulkan/vk_device.h"
+#include "video_core/renderer_vulkan/vk_resource_manager.h"
+#include "video_core/renderer_vulkan/vk_swapchain.h"
+
+namespace Vulkan {
+
+namespace {
+vk::SurfaceFormatKHR ChooseSwapSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& formats) {
+    if (formats.size() == 1 && formats[0].format == vk::Format::eUndefined) {
+        return {vk::Format::eB8G8R8A8Unorm, vk::ColorSpaceKHR::eSrgbNonlinear};
+    }
+    const auto& found = std::find_if(formats.begin(), formats.end(), [](const auto& format) {
+        return format.format == vk::Format::eB8G8R8A8Unorm &&
+               format.colorSpace == vk::ColorSpaceKHR::eSrgbNonlinear;
+    });
+    return found != formats.end() ? *found : formats[0];
+}
+
+vk::PresentModeKHR ChooseSwapPresentMode(const std::vector<vk::PresentModeKHR>& modes) {
+    // Mailbox doesn't lock the application like fifo (vsync), prefer it
+    const auto& found = std::find_if(modes.begin(), modes.end(), [](const auto& mode) {
+        return mode == vk::PresentModeKHR::eMailbox;
+    });
+    return found != modes.end() ? *found : vk::PresentModeKHR::eFifo;
+}
+
+vk::Extent2D ChooseSwapExtent(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width,
+                              u32 height) {
+    constexpr auto undefined_size{std::numeric_limits<u32>::max()};
+    if (capabilities.currentExtent.width != undefined_size) {
+        return capabilities.currentExtent;
+    }
+    vk::Extent2D extent = {width, height};
+    extent.width = std::max(capabilities.minImageExtent.width,
+                            std::min(capabilities.maxImageExtent.width, extent.width));
+    extent.height = std::max(capabilities.minImageExtent.height,
+                             std::min(capabilities.maxImageExtent.height, extent.height));
+    return extent;
+}
+} // namespace
+
+VKSwapchain::VKSwapchain(vk::SurfaceKHR surface, const VKDevice& device)
+    : surface{surface}, device{device} {}
+
+VKSwapchain::~VKSwapchain() = default;
+
+void VKSwapchain::Create(u32 width, u32 height) {
+    const auto dev = device.GetLogical();
+    const auto& dld = device.GetDispatchLoader();
+    const auto physical_device = device.GetPhysical();
+
+    const vk::SurfaceCapabilitiesKHR capabilities{
+        physical_device.getSurfaceCapabilitiesKHR(surface, dld)};
+    if (capabilities.maxImageExtent.width == 0 || capabilities.maxImageExtent.height == 0) {
+        return;
+    }
+
+    dev.waitIdle(dld);
+    Destroy();
+
+    CreateSwapchain(capabilities, width, height);
+    CreateSemaphores();
+    CreateImageViews();
+
+    fences.resize(image_count, nullptr);
+}
+
+void VKSwapchain::AcquireNextImage() {
+    const auto dev{device.GetLogical()};
+    const auto& dld{device.GetDispatchLoader()};
+    dev.acquireNextImageKHR(*swapchain, std::numeric_limits<u64>::max(),
+                            *present_semaphores[frame_index], {}, &image_index, dld);
+
+    if (auto& fence = fences[image_index]; fence) {
+        fence->Wait();
+        fence->Release();
+        fence = nullptr;
+    }
+}
+
+bool VKSwapchain::Present(vk::Semaphore render_semaphore, VKFence& fence) {
+    const vk::Semaphore present_semaphore{*present_semaphores[frame_index]};
+    const std::array<vk::Semaphore, 2> semaphores{present_semaphore, render_semaphore};
+    const u32 wait_semaphore_count{render_semaphore ? 2U : 1U};
+    const auto& dld{device.GetDispatchLoader()};
+    const auto present_queue{device.GetPresentQueue()};
+    bool recreated = false;
+
+    const vk::PresentInfoKHR present_info(wait_semaphore_count, semaphores.data(), 1,
+                                          &swapchain.get(), &image_index, {});
+    switch (const auto result = present_queue.presentKHR(&present_info, dld); result) {
+    case vk::Result::eSuccess:
+        break;
+    case vk::Result::eErrorOutOfDateKHR:
+        if (current_width > 0 && current_height > 0) {
+            Create(current_width, current_height);
+            recreated = true;
+        }
+        break;
+    default:
+        LOG_CRITICAL(Render_Vulkan, "Vulkan failed to present swapchain due to {}!",
+                     vk::to_string(result));
+        UNREACHABLE();
+    }
+
+    ASSERT(fences[image_index] == nullptr);
+    fences[image_index] = &fence;
+    frame_index = (frame_index + 1) % image_count;
+    return recreated;
+}
+
+bool VKSwapchain::HasFramebufferChanged(const Layout::FramebufferLayout& framebuffer) const {
+    // TODO(Rodrigo): Handle framebuffer pixel format changes
+    return framebuffer.width != current_width || framebuffer.height != current_height;
+}
+
+void VKSwapchain::CreateSwapchain(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width,
+                                  u32 height) {
+    const auto dev{device.GetLogical()};
+    const auto& dld{device.GetDispatchLoader()};
+    const auto physical_device{device.GetPhysical()};
+
+    const std::vector<vk::SurfaceFormatKHR> formats{
+        physical_device.getSurfaceFormatsKHR(surface, dld)};
+
+    const std::vector<vk::PresentModeKHR> present_modes{
+        physical_device.getSurfacePresentModesKHR(surface, dld)};
+
+    const vk::SurfaceFormatKHR surface_format{ChooseSwapSurfaceFormat(formats)};
+    const vk::PresentModeKHR present_mode{ChooseSwapPresentMode(present_modes)};
+    extent = ChooseSwapExtent(capabilities, width, height);
+
+    current_width = extent.width;
+    current_height = extent.height;
+
+    u32 requested_image_count{capabilities.minImageCount + 1};
+    if (capabilities.maxImageCount > 0 && requested_image_count > capabilities.maxImageCount) {
+        requested_image_count = capabilities.maxImageCount;
+    }
+
+    vk::SwapchainCreateInfoKHR swapchain_ci(
+        {}, surface, requested_image_count, surface_format.format, surface_format.colorSpace,
+        extent, 1, vk::ImageUsageFlagBits::eColorAttachment, {}, {}, {},
+        capabilities.currentTransform, vk::CompositeAlphaFlagBitsKHR::eOpaque, present_mode, false,
+        {});
+
+    const u32 graphics_family{device.GetGraphicsFamily()};
+    const u32 present_family{device.GetPresentFamily()};
+    const std::array<u32, 2> queue_indices{graphics_family, present_family};
+    if (graphics_family != present_family) {
+        swapchain_ci.imageSharingMode = vk::SharingMode::eConcurrent;
+        swapchain_ci.queueFamilyIndexCount = static_cast<u32>(queue_indices.size());
+        swapchain_ci.pQueueFamilyIndices = queue_indices.data();
+    } else {
+        swapchain_ci.imageSharingMode = vk::SharingMode::eExclusive;
+    }
+
+    swapchain = dev.createSwapchainKHRUnique(swapchain_ci, nullptr, dld);
+
+    images = dev.getSwapchainImagesKHR(*swapchain, dld);
+    image_count = static_cast<u32>(images.size());
+    image_format = surface_format.format;
+}
+
+void VKSwapchain::CreateSemaphores() {
+    const auto dev{device.GetLogical()};
+    const auto& dld{device.GetDispatchLoader()};
+
+    present_semaphores.resize(image_count);
+    for (std::size_t i = 0; i < image_count; i++) {
+        present_semaphores[i] = dev.createSemaphoreUnique({}, nullptr, dld);
+    }
+}
+
+void VKSwapchain::CreateImageViews() {
+    const auto dev{device.GetLogical()};
+    const auto& dld{device.GetDispatchLoader()};
+
+    image_views.resize(image_count);
+    for (std::size_t i = 0; i < image_count; i++) {
+        const vk::ImageViewCreateInfo image_view_ci({}, images[i], vk::ImageViewType::e2D,
+                                                    image_format, {},
+                                                    {vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1});
+        image_views[i] = dev.createImageViewUnique(image_view_ci, nullptr, dld);
+    }
+}
+
+void VKSwapchain::Destroy() {
+    frame_index = 0;
+    present_semaphores.clear();
+    framebuffers.clear();
+    image_views.clear();
+    swapchain.reset();
+}
+
+} // namespace Vulkan

src/video_core/renderer_vulkan/vk_swapchain.h

@@ -0,0 +1,92 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+#include "video_core/renderer_vulkan/declarations.h"
+
+namespace Layout {
+struct FramebufferLayout;
+}
+
+namespace Vulkan {
+
+class VKDevice;
+class VKFence;
+
+class VKSwapchain {
+public:
+    explicit VKSwapchain(vk::SurfaceKHR surface, const VKDevice& device);
+    ~VKSwapchain();
+
+    /// Creates (or recreates) the swapchain with a given size.
+    void Create(u32 width, u32 height);
+
+    /// Acquires the next image in the swapchain, waits as needed.
+    void AcquireNextImage();
+
+    /// Presents the rendered image to the swapchain. Returns true when the swapchains had to be
+    /// recreated. Takes responsability for the ownership of fence.
+    bool Present(vk::Semaphore render_semaphore, VKFence& fence);
+
+    /// Returns true when the framebuffer layout has changed.
+    bool HasFramebufferChanged(const Layout::FramebufferLayout& framebuffer) const;
+
+    const vk::Extent2D& GetSize() const {
+        return extent;
+    }
+
+    u32 GetImageCount() const {
+        return image_count;
+    }
+
+    u32 GetImageIndex() const {
+        return image_index;
+    }
+
+    vk::Image GetImageIndex(u32 index) const {
+        return images[index];
+    }
+
+    vk::ImageView GetImageViewIndex(u32 index) const {
+        return *image_views[index];
+    }
+
+    vk::Format GetImageFormat() const {
+        return image_format;
+    }
+
+private:
+    void CreateSwapchain(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width, u32 height);
+    void CreateSemaphores();
+    void CreateImageViews();
+
+    void Destroy();
+
+    const vk::SurfaceKHR surface;
+    const VKDevice& device;
+
+    UniqueSwapchainKHR swapchain;
+
+    u32 image_count{};
+    std::vector<vk::Image> images;
+    std::vector<UniqueImageView> image_views;
+    std::vector<UniqueFramebuffer> framebuffers;
+    std::vector<VKFence*> fences;
+    std::vector<UniqueSemaphore> present_semaphores;
+
+    u32 image_index{};
+    u32 frame_index{};
+
+    vk::Format image_format{};
+    vk::Extent2D extent{};
+
+    u32 current_width{};
+    u32 current_height{};
+};
+
+} // namespace Vulkan

src/yuzu/applets/profile_select.cpp

@@ -58,10 +58,7 @@ QtProfileSelectionDialog::QtProfileSelectionDialog(QWidget* parent)
 
     scroll_area = new QScrollArea;
 
-    buttons = new QDialogButtonBox;
-    buttons->addButton(tr("Cancel"), QDialogButtonBox::RejectRole);
-    buttons->addButton(tr("OK"), QDialogButtonBox::AcceptRole);
-
+    buttons = new QDialogButtonBox(QDialogButtonBox::Cancel | QDialogButtonBox::Ok);
     connect(buttons, &QDialogButtonBox::accepted, this, &QtProfileSelectionDialog::accept);
     connect(buttons, &QDialogButtonBox::rejected, this, &QtProfileSelectionDialog::reject);
 

src/yuzu/applets/software_keyboard.cpp

@@ -75,13 +75,13 @@ QtSoftwareKeyboardDialog::QtSoftwareKeyboardDialog(
         length_label->setText(QStringLiteral("%1/%2").arg(text.size()).arg(parameters.max_length));
     });
 
-    buttons = new QDialogButtonBox;
-    buttons->addButton(tr("Cancel"), QDialogButtonBox::RejectRole);
-    buttons->addButton(parameters.submit_text.empty()
-                           ? tr("OK")
-                           : QString::fromStdU16String(parameters.submit_text),
-                       QDialogButtonBox::AcceptRole);
-
+    buttons = new QDialogButtonBox(QDialogButtonBox::Cancel);
+    if (parameters.submit_text.empty()) {
+        buttons->addButton(QDialogButtonBox::Ok);
+    } else {
+        buttons->addButton(QString::fromStdU16String(parameters.submit_text),
+                           QDialogButtonBox::AcceptRole);
+    }
     connect(buttons, &QDialogButtonBox::accepted, this, &QtSoftwareKeyboardDialog::accept);
     connect(buttons, &QDialogButtonBox::rejected, this, &QtSoftwareKeyboardDialog::reject);
     layout->addWidget(header_label);

src/yuzu/debugger/profiler.cpp

@@ -7,6 +7,7 @@
 #include <QMouseEvent>
 #include <QPainter>
 #include <QString>
+#include <QTimer>
 #include "common/common_types.h"
 #include "common/microprofile.h"
 #include "yuzu/debugger/profiler.h"

src/yuzu/debugger/profiler.h

@@ -4,10 +4,11 @@
 
 #pragma once
 
-#include <QAbstractItemModel>
-#include <QDockWidget>
-#include <QTimer>
-#include "common/microprofile.h"
+#include <QWidget>
+
+class QAction;
+class QHideEvent;
+class QShowEvent;
 
 class MicroProfileDialog : public QWidget {
     Q_OBJECT

src/yuzu/game_list.cpp

@@ -329,6 +329,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
     QMenu context_menu;
     QAction* open_save_location = context_menu.addAction(tr("Open Save Data Location"));
     QAction* open_lfs_location = context_menu.addAction(tr("Open Mod Data Location"));
+    QAction* open_transferable_shader_cache =
+        context_menu.addAction(tr("Open Transferable Shader Cache"));
     context_menu.addSeparator();
     QAction* dump_romfs = context_menu.addAction(tr("Dump RomFS"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
@@ -344,6 +346,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::SaveData); });
     connect(open_lfs_location, &QAction::triggered,
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::ModData); });
+    connect(open_transferable_shader_cache, &QAction::triggered,
+            [&]() { emit OpenTransferableShaderCacheRequested(program_id); });
     connect(dump_romfs, &QAction::triggered, [&]() { emit DumpRomFSRequested(program_id, path); });
     connect(copy_tid, &QAction::triggered, [&]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered,

src/yuzu/game_list.h

@@ -66,6 +66,7 @@ signals:
     void GameChosen(QString game_path);
     void ShouldCancelWorker();
     void OpenFolderRequested(u64 program_id, GameListOpenTarget target);
+    void OpenTransferableShaderCacheRequested(u64 program_id);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
     void NavigateToGamedbEntryRequested(u64 program_id,

src/yuzu/main.cpp

@@ -37,14 +37,20 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include <glad/glad.h>
 
 #define QT_NO_OPENGL
+#include <QClipboard>
+#include <QDesktopServices>
 #include <QDesktopWidget>
 #include <QDialogButtonBox>
 #include <QFile>
 #include <QFileDialog>
+#include <QInputDialog>
 #include <QMessageBox>
+#include <QProgressBar>
+#include <QProgressDialog>
+#include <QShortcut>
+#include <QStatusBar>
 #include <QtConcurrent/QtConcurrent>
-#include <QtGui>
-#include <QtWidgets>
+
 #include <fmt/format.h>
 #include "common/common_paths.h"
 #include "common/detached_tasks.h"
@@ -55,11 +61,9 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "common/microprofile.h"
 #include "common/scm_rev.h"
 #include "common/scope_exit.h"
-#include "common/string_util.h"
 #include "common/telemetry.h"
 #include "core/core.h"
 #include "core/crypto/key_manager.h"
-#include "core/file_sys/bis_factory.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
@@ -71,7 +75,6 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "core/frontend/applets/software_keyboard.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/service/filesystem/filesystem.h"
-#include "core/hle/service/filesystem/fsp_ldr.h"
 #include "core/hle/service/nfp/nfp.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
@@ -648,6 +651,8 @@ void GMainWindow::RestoreUIState() {
 void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::GameChosen, this, &GMainWindow::OnGameListLoadFile);
     connect(game_list, &GameList::OpenFolderRequested, this, &GMainWindow::OnGameListOpenFolder);
+    connect(game_list, &GameList::OpenTransferableShaderCacheRequested, this,
+            &GMainWindow::OnTransferableShaderCacheOpenFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
@@ -1082,6 +1087,39 @@ void GMainWindow::OnGameListOpenFolder(u64 program_id, GameListOpenTarget target
     QDesktopServices::openUrl(QUrl::fromLocalFile(qpath));
 }
 
+void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
+    ASSERT(program_id != 0);
+
+    const QString tranferable_shader_cache_folder_path =
+        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::ShaderDir)) + "opengl" +
+        DIR_SEP + "transferable";
+
+    const QString transferable_shader_cache_file_path =
+        tranferable_shader_cache_folder_path + DIR_SEP +
+        QString::fromStdString(fmt::format("{:016X}.bin", program_id));
+
+    if (!QFile::exists(transferable_shader_cache_file_path)) {
+        QMessageBox::warning(this, tr("Error Opening Transferable Shader Cache"),
+                             tr("A shader cache for this title does not exist."));
+        return;
+    }
+
+    // Windows supports opening a folder with selecting a specified file in explorer. On every other
+    // OS we just open the transferable shader cache folder without preselecting the transferable
+    // shader cache file for the selected game.
+#if defined(Q_OS_WIN)
+    const QString explorer = QStringLiteral("explorer");
+    QStringList param;
+    if (!QFileInfo(transferable_shader_cache_file_path).isDir()) {
+        param << QStringLiteral("/select,");
+    }
+    param << QDir::toNativeSeparators(transferable_shader_cache_file_path);
+    QProcess::startDetached(explorer, param);
+#else
+    QDesktopServices::openUrl(QUrl::fromLocalFile(tranferable_shader_cache_folder_path));
+#endif
+}
+
 static std::size_t CalculateRomFSEntrySize(const FileSys::VirtualDir& dir, bool full) {
     std::size_t out = 0;
 

src/yuzu/main.h

@@ -176,6 +176,7 @@ private slots:
     /// Called whenever a user selects a game in the game list widget.
     void OnGameListLoadFile(QString game_path);
     void OnGameListOpenFolder(u64 program_id, GameListOpenTarget target);
+    void OnTransferableShaderCacheOpenFile(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,