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-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/hle/kernel/kernel.cpp2
-rw-r--r--src/core/hle/kernel/server_session.cpp20
-rw-r--r--src/core/hle/kernel/server_session.h12
-rw-r--r--src/core/hle/kernel/service_thread.cpp100
-rw-r--r--src/core/hle/kernel/service_thread.h27
6 files changed, 140 insertions, 23 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 59bd3d2a6..87712a3ce 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -202,6 +202,8 @@ add_library(core STATIC
hle/kernel/server_port.h
hle/kernel/server_session.cpp
hle/kernel/server_session.h
+ hle/kernel/service_thread.cpp
+ hle/kernel/service_thread.h
hle/kernel/session.cpp
hle/kernel/session.h
hle/kernel/shared_memory.cpp
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 04cae3a43..1bf4c3355 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -329,7 +329,7 @@ struct KernelCore::Impl {
std::atomic<u32> registered_thread_ids{Core::Hardware::NUM_CPU_CORES};
// Number of host threads is a relatively high number to avoid overflowing
- static constexpr size_t NUM_REGISTRABLE_HOST_THREADS = 64;
+ static constexpr size_t NUM_REGISTRABLE_HOST_THREADS = 1024;
std::atomic<size_t> num_host_threads{0};
std::array<std::atomic<std::thread::id>, NUM_REGISTRABLE_HOST_THREADS>
register_host_thread_keys{};
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index a35c8aa4b..079c3911a 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -32,12 +32,9 @@ ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kern
std::string name) {
std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)};
- session->request_event =
- Core::Timing::CreateEvent(name, [session](std::uintptr_t, std::chrono::nanoseconds) {
- session->CompleteSyncRequest();
- });
session->name = std::move(name);
session->parent = std::move(parent);
+ session->service_thread = std::make_unique<ServiceThread>(kernel);
return MakeResult(std::move(session));
}
@@ -142,16 +139,12 @@ ResultCode ServerSession::QueueSyncRequest(std::shared_ptr<Thread> thread,
std::make_shared<HLERequestContext>(kernel, memory, SharedFrom(this), std::move(thread));
context->PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
- request_queue.Push(std::move(context));
+ service_thread->QueueSyncRequest(*this, std::move(context));
return RESULT_SUCCESS;
}
-ResultCode ServerSession::CompleteSyncRequest() {
- ASSERT(!request_queue.Empty());
-
- auto& context = *request_queue.Front();
-
+ResultCode ServerSession::CompleteSyncRequest(HLERequestContext& context) {
ResultCode result = RESULT_SUCCESS;
// If the session has been converted to a domain, handle the domain request
if (IsDomain() && context.HasDomainMessageHeader()) {
@@ -177,18 +170,13 @@ ResultCode ServerSession::CompleteSyncRequest() {
}
}
- request_queue.Pop();
-
return result;
}
ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread,
Core::Memory::Memory& memory,
Core::Timing::CoreTiming& core_timing) {
- const ResultCode result = QueueSyncRequest(std::move(thread), memory);
- const auto delay = std::chrono::nanoseconds{kernel.IsMulticore() ? 0 : 20000};
- core_timing.ScheduleEvent(delay, request_event, {});
- return result;
+ return QueueSyncRequest(std::move(thread), memory);
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h
index d23e9ec68..8466b03e6 100644
--- a/src/core/hle/kernel/server_session.h
+++ b/src/core/hle/kernel/server_session.h
@@ -10,6 +10,7 @@
#include <vector>
#include "common/threadsafe_queue.h"
+#include "core/hle/kernel/service_thread.h"
#include "core/hle/kernel/synchronization_object.h"
#include "core/hle/result.h"
@@ -43,6 +44,8 @@ class Thread;
* TLS buffer and control is transferred back to it.
*/
class ServerSession final : public SynchronizationObject {
+ friend class ServiceThread;
+
public:
explicit ServerSession(KernelCore& kernel);
~ServerSession() override;
@@ -132,7 +135,7 @@ private:
ResultCode QueueSyncRequest(std::shared_ptr<Thread> thread, Core::Memory::Memory& memory);
/// Completes a sync request from the emulated application.
- ResultCode CompleteSyncRequest();
+ ResultCode CompleteSyncRequest(HLERequestContext& context);
/// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
/// object handle.
@@ -163,11 +166,8 @@ private:
/// The name of this session (optional)
std::string name;
- /// Core timing event used to schedule the service request at some point in the future
- std::shared_ptr<Core::Timing::EventType> request_event;
-
- /// Queue of scheduled service requests
- Common::MPSCQueue<std::shared_ptr<Kernel::HLERequestContext>> request_queue;
+ /// Thread to dispatch service requests
+ std::unique_ptr<ServiceThread> service_thread;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/service_thread.cpp b/src/core/hle/kernel/service_thread.cpp
new file mode 100644
index 000000000..59a6045df
--- /dev/null
+++ b/src/core/hle/kernel/service_thread.cpp
@@ -0,0 +1,100 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <condition_variable>
+#include <functional>
+#include <mutex>
+#include <thread>
+#include <vector>
+#include <queue>
+
+#include "common/assert.h"
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/service_thread.h"
+#include "core/hle/lock.h"
+#include "video_core/renderer_base.h"
+
+namespace Kernel {
+
+class ServiceThread::Impl final {
+public:
+ explicit Impl(KernelCore& kernel);
+ ~Impl();
+
+ void QueueSyncRequest(ServerSession& session, std::shared_ptr<HLERequestContext>&& context);
+
+private:
+ std::vector<std::thread> threads;
+ std::queue<std::function<void()>> requests;
+ std::mutex queue_mutex;
+ std::condition_variable condition;
+ bool stop{};
+};
+
+ServiceThread::Impl::Impl(KernelCore& kernel) {
+ constexpr std::size_t SizeOfPool{1};
+ for (std::size_t i = 0; i < SizeOfPool; ++i)
+ threads.emplace_back([&] {
+ // Wait for first request before trying to acquire a render context
+ {
+ std::unique_lock lock{queue_mutex};
+ condition.wait(lock, [this] { return stop || !requests.empty(); });
+ }
+
+ kernel.RegisterHostThread();
+
+ while (true) {
+ std::function<void()> task;
+
+ {
+ std::unique_lock lock{queue_mutex};
+ condition.wait(lock, [this] { return stop || !requests.empty(); });
+ if (stop && requests.empty()) {
+ return;
+ }
+ task = std::move(requests.front());
+ requests.pop();
+ }
+
+ task();
+ }
+ });
+}
+
+void ServiceThread::Impl::QueueSyncRequest(ServerSession& session,
+ std::shared_ptr<HLERequestContext>&& context) {
+ {
+ std::unique_lock lock{queue_mutex};
+ requests.emplace([session{SharedFrom(&session)}, context{std::move(context)}]() {
+ session->CompleteSyncRequest(*context);
+ return;
+ });
+ }
+ condition.notify_one();
+}
+
+ServiceThread::Impl::~Impl() {
+ {
+ std::unique_lock lock{queue_mutex};
+ stop = true;
+ }
+ condition.notify_all();
+ for (std::thread& thread : threads) {
+ thread.join();
+ }
+}
+
+ServiceThread::ServiceThread(KernelCore& kernel) : impl{std::make_unique<Impl>(kernel)} {}
+
+ServiceThread::~ServiceThread() = default;
+
+void ServiceThread::QueueSyncRequest(ServerSession& session,
+ std::shared_ptr<HLERequestContext>&& context) {
+ impl->QueueSyncRequest(session, std::move(context));
+}
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/service_thread.h b/src/core/hle/kernel/service_thread.h
new file mode 100644
index 000000000..d252490bb
--- /dev/null
+++ b/src/core/hle/kernel/service_thread.h
@@ -0,0 +1,27 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+namespace Kernel {
+
+class HLERequestContext;
+class KernelCore;
+class ServerSession;
+
+class ServiceThread final {
+public:
+ explicit ServiceThread(KernelCore& kernel);
+ ~ServiceThread();
+
+ void QueueSyncRequest(ServerSession& session, std::shared_ptr<HLERequestContext>&& context);
+
+private:
+ class Impl;
+ std::unique_ptr<Impl> impl;
+};
+
+} // namespace Kernel
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 22:19:46 +0100