piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 06:39:46 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #3626 from Sonicadvance1/more_robust_gcadapter

Browse Source 
Improve stability of the Wii U Gamecube Controller adapter under Android.
This commit is contained in:
Ryan Houdek
2016-02-29 09:54:01 -05:00
parent 961901daae 6cc40b1235
commit c82feb6c08
2 changed files with 128 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

151
Source/Core/InputCommon/GCAdapter_Android.cpp
View File

@ -40,12 +40,12 @@ static std::atomic<int> s_controller_payload_size{0};
// Output handling
static std::mutex s_write_mutex;
static u8 s_controller_write_payload[5];
static std::atomic<int> s_controller_write_payload_size{0};
// Adapter running thread
static std::thread s_read_adapter_thread;
static Common::Flag s_read_adapter_thread_running;
static std::thread s_write_adapter_thread;
static Common::Flag s_write_adapter_thread_running;
static Common::Event s_write_happened;
@ -77,6 +77,47 @@ static void ScanThreadFunc()
NOTICE_LOG(SERIALINTERFACE, "GC Adapter scanning thread stopped");
}
static void Write()
{
Common::SetCurrentThreadName("GC Adapter Write Thread");
NOTICE_LOG(SERIALINTERFACE, "GC Adapter write thread started");
JNIEnv* env;
g_java_vm->AttachCurrentThread(&env, NULL);
jmethodID output_func = env->GetStaticMethodID(s_adapter_class, "Output", "([B)I");
while (s_write_adapter_thread_running.IsSet())
{
s_write_happened.Wait();
int write_size = s_controller_write_payload_size.load();
if (write_size)
{
jbyteArray jrumble_array = env->NewByteArray(5);
jbyte* jrumble = env->GetByteArrayElements(jrumble_array, NULL);
{
std::lock_guard<std::mutex> lk(s_write_mutex);
memcpy(jrumble, s_controller_write_payload, write_size);
}
env->ReleaseByteArrayElements(jrumble_array, jrumble, 0);
int size = env->CallStaticIntMethod(s_adapter_class, output_func, jrumble_array);
// Netplay sends invalid data which results in size = 0x00. Ignore it.
if (size != write_size && size != 0x00)
{
ERROR_LOG(SERIALINTERFACE, "error writing rumble (size: %d)", size);
Reset();
}
}
Common::YieldCPU();
}
g_java_vm->DetachCurrentThread();
NOTICE_LOG(SERIALINTERFACE, "GC Adapter write thread stopped");
}
static void Read()
{
Common::SetCurrentThreadName("GC Adapter Read Thread");
@ -93,76 +134,56 @@ static void Read()
// Get function pointers
jmethodID getfd_func = env->GetStaticMethodID(s_adapter_class, "GetFD", "()I");
jmethodID input_func = env->GetStaticMethodID(s_adapter_class, "Input", "()I");
jmethodID openadapter_func = env->GetStaticMethodID(s_adapter_class, "OpenAdapter", "()V");
jmethodID openadapter_func = env->GetStaticMethodID(s_adapter_class, "OpenAdapter", "()Z");
env->CallStaticVoidMethod(s_adapter_class, openadapter_func);
bool connected = env->CallStaticBooleanMethod(s_adapter_class, openadapter_func);
// Reset rumble once on initial reading
ResetRumble();
while (s_read_adapter_thread_running.IsSet())
if (connected)
{
int read_size = env->CallStaticIntMethod(s_adapter_class, input_func);
s_write_adapter_thread_running.Set(true);
std::thread write_adapter_thread(Write);
jbyte* java_data = env->GetByteArrayElements(*java_controller_payload, nullptr);
{
std::lock_guard<std::mutex> lk(s_read_mutex);
memcpy(s_controller_payload, java_data, 0x37);
s_controller_payload_size.store(read_size);
}
env->ReleaseByteArrayElements(*java_controller_payload, java_data, 0);
// Reset rumble once on initial reading
ResetRumble();
if (first_read)
while (s_read_adapter_thread_running.IsSet())
{
first_read = false;
s_fd = env->CallStaticIntMethod(s_adapter_class, getfd_func);
int read_size = env->CallStaticIntMethod(s_adapter_class, input_func);
jbyte* java_data = env->GetByteArrayElements(*java_controller_payload, nullptr);
{
std::lock_guard<std::mutex> lk(s_read_mutex);
memcpy(s_controller_payload, java_data, 0x37);
s_controller_payload_size.store(read_size);
}
env->ReleaseByteArrayElements(*java_controller_payload, java_data, 0);
if (first_read)
{
first_read = false;
s_fd = env->CallStaticIntMethod(s_adapter_class, getfd_func);
}
Common::YieldCPU();
}
Common::YieldCPU();
// Terminate the write thread on leaving
if (s_write_adapter_thread_running.TestAndClear())
{
s_controller_write_payload_size.store(0);
s_write_happened.Set(); // Kick the waiting event
write_adapter_thread.join();
}
}
s_fd = 0;
s_detected = false;
g_java_vm->DetachCurrentThread();
NOTICE_LOG(SERIALINTERFACE, "GC Adapter read thread stopped");
}
static void Write()
{
Common::SetCurrentThreadName("GC Adapter Write Thread");
NOTICE_LOG(SERIALINTERFACE, "GC Adapter write thread started");
JNIEnv* env;
g_java_vm->AttachCurrentThread(&env, NULL);
jmethodID output_func = env->GetStaticMethodID(s_adapter_class, "Output", "([B)I");
while (s_write_adapter_thread_running.IsSet())
{
jbyteArray jrumble_array = env->NewByteArray(5);
jbyte* jrumble = env->GetByteArrayElements(jrumble_array, NULL);
s_write_happened.Wait();
{
std::lock_guard<std::mutex> lk(s_write_mutex);
memcpy(jrumble, s_controller_write_payload, 5);
}
env->ReleaseByteArrayElements(jrumble_array, jrumble, 0);
int size = env->CallStaticIntMethod(s_adapter_class, output_func, jrumble_array);
// Netplay sends invalid data which results in size = 0x00. Ignore it.
if (size != 0x05 && size != 0x00)
{
ERROR_LOG(SERIALINTERFACE, "error writing rumble (size: %d)", size);
Reset();
}
Common::YieldCPU();
}
g_java_vm->DetachCurrentThread();
NOTICE_LOG(SERIALINTERFACE, "GC Adapter write thread stopped");
}
void Init()
{
if (s_fd)
@ -189,14 +210,14 @@ void Init()
void Setup()
{
s_fd = 0;
s_detected = true;
// Make sure the thread isn't in the middle of shutting down while starting a new one
if (s_read_adapter_thread_running.TestAndClear())
s_read_adapter_thread.join();
s_read_adapter_thread_running.Set(true);
s_read_adapter_thread = std::thread(Read);
s_write_adapter_thread_running.Set(true);
s_write_adapter_thread = std::thread(Write);
s_detected = true;
}
void Reset()
@ -207,12 +228,6 @@ void Reset()
if (s_read_adapter_thread_running.TestAndClear())
s_read_adapter_thread.join();
if (s_write_adapter_thread_running.TestAndClear())
{
s_write_happened.Set(); // Kick the waiting event
s_write_adapter_thread.join();
}
for (int i = 0; i < MAX_SI_CHANNELS; i++)
s_controller_type[i] = ControllerTypes::CONTROLLER_NONE;
@ -323,6 +338,7 @@ void Output(int chan, u8 rumble_command)
{
std::lock_guard<std::mutex> lk(s_write_mutex);
memcpy(s_controller_write_payload, rumble, 5);
s_controller_write_payload_size.store(5);
}
s_write_happened.Set();
}
@ -349,6 +365,7 @@ void ResetRumble()
{
std::lock_guard<std::mutex> lk(s_read_mutex);
memcpy(s_controller_write_payload, rumble, 5);
s_controller_write_payload_size.store(5);
}
s_write_happened.Set();
}