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Send rumble data to the adapter on a separate thread

This commit is contained in:
Hannes Mann 2017-07-22 20:25:11 +02:00
parent efd318df64
commit 56239d1ae1
1 changed files with 28 additions and 15 deletions
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43
Source/Core/InputCommon/GCAdapter.cpp
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@ -6,6 +6,7 @@
#include <libusb.h>
#include <mutex>
#include "Common/Event.h"
#include "Common/Flag.h"
#include "Common/Logging/Log.h"
#include "Common/Thread.h"
@ -40,9 +41,12 @@ static u8 s_controller_payload_swap[37];
static std::atomic<int> s_controller_payload_size = {0};
static std::thread s_adapter_thread;
static std::thread s_adapter_input_thread;
static std::thread s_adapter_output_thread;
static Common::Flag s_adapter_thread_running;
static Common::Event s_rumble_data_available;
static std::mutex s_init_mutex;
static std::thread s_adapter_detect_thread;
static Common::Flag s_adapter_detect_thread_running;
@ -83,6 +87,23 @@ static void Read()
}
}
static void Write()
{
int size = 0;
while (true)
{
s_rumble_data_available.Wait();
if (!s_adapter_thread_running.IsSet())
return;
u8 payload[5] = {0x11, s_controller_rumble[0], s_controller_rumble[1], s_controller_rumble[2],
s_controller_rumble[3]};
libusb_interrupt_transfer(s_handle, s_endpoint_out, payload, sizeof(payload), &size, 16);
}
}
#if defined(LIBUSB_API_VERSION) && LIBUSB_API_VERSION >= 0x01000102
static int HotplugCallback(libusb_context* ctx, libusb_device* dev, libusb_hotplug_event event,
void* user_data)
@ -316,7 +337,8 @@ static void AddGCAdapter(libusb_device* device)
libusb_interrupt_transfer(s_handle, s_endpoint_out, &payload, sizeof(payload), &tmp, 16);
s_adapter_thread_running.Set(true);
s_adapter_thread = std::thread(Read);
s_adapter_input_thread = std::thread(Read);
s_adapter_output_thread = std::thread(Write);
s_detected = true;
if (s_detect_callback != nullptr)
@ -351,7 +373,9 @@ static void Reset()
if (s_adapter_thread_running.TestAndClear())
{
s_adapter_thread.join();
s_rumble_data_available.Set();
s_adapter_input_thread.join();
s_adapter_output_thread.join();
}
for (int i = 0; i < SerialInterface::MAX_SI_CHANNELS; i++)
@ -516,18 +540,7 @@ void Output(int chan, u8 rumble_command)
s_controller_type[chan] != ControllerTypes::CONTROLLER_WIRELESS)
{
s_controller_rumble[chan] = rumble_command;
unsigned char rumble[5] = {0x11, s_controller_rumble[0], s_controller_rumble[1],
s_controller_rumble[2], s_controller_rumble[3]};
int size = 0;
libusb_interrupt_transfer(s_handle, s_endpoint_out, rumble, sizeof(rumble), &size, 16);
// 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();
}
s_rumble_data_available.Set();
}
}