skyline/app/src/main/cpp/emu_jni.cpp
Billy Laws 0219eda2db Initial C++ Input Implementation
This commit contains the C++ side of the initial Input implementation, this is based on the work done in the `hid` branch in `bylaws/skyline`.
Co-authored-by: ◱ PixelyIon <pixelyion@protonmail.com>
2020-08-21 11:48:29 +00:00

108 lines
4.0 KiB
C++

// SPDX-License-Identifier: MPL-2.0
// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
#include <csignal>
#include <unistd.h>
#include "skyline/loader/loader.h"
#include "skyline/common.h"
#include "skyline/os.h"
#include "skyline/jvm.h"
#include "skyline/input.h"
bool Halt;
jobject Surface;
uint FaultCount;
skyline::GroupMutex JniMtx;
skyline::u16 fps;
skyline::u32 frametime;
skyline::input::Input *input;
void signalHandler(int signal) {
syslog(LOG_ERR, "Halting program due to signal: %s", strsignal(signal));
if (FaultCount > 2)
exit(SIGKILL);
else
Halt = true;
FaultCount++;
}
extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_executeApplication(JNIEnv *env, jobject instance, jstring romUriJstring, jint romType, jint romFd, jint preferenceFd, jstring appFilesPathJstring) {
Halt = false;
FaultCount = 0;
fps = 0;
frametime = 0;
std::signal(SIGTERM, signalHandler);
std::signal(SIGSEGV, signalHandler);
std::signal(SIGINT, signalHandler);
std::signal(SIGILL, signalHandler);
std::signal(SIGABRT, signalHandler);
std::signal(SIGFPE, signalHandler);
setpriority(PRIO_PROCESS, static_cast<id_t>(gettid()), -8); // Set the priority of this process to the highest value
auto jvmManager = std::make_shared<skyline::JvmManager>(env, instance);
auto settings = std::make_shared<skyline::Settings>(preferenceFd);
auto appFilesPath = env->GetStringUTFChars(appFilesPathJstring, nullptr);
auto logger = std::make_shared<skyline::Logger>(std::string(appFilesPath) + "skyline.log", static_cast<skyline::Logger::LogLevel>(std::stoi(settings->GetString("log_level"))));
//settings->List(logger); // (Uncomment when you want to print out all settings strings)
auto start = std::chrono::steady_clock::now();
try {
skyline::kernel::OS os(jvmManager, logger, settings, std::string(appFilesPath));
input = os.state.input.get();
env->ReleaseStringUTFChars(appFilesPathJstring, appFilesPath);
auto romUri = env->GetStringUTFChars(romUriJstring, nullptr);
logger->Info("Launching ROM {}", romUri);
env->ReleaseStringUTFChars(romUriJstring, romUri);
os.Execute(romFd, static_cast<skyline::loader::RomFormat>(romType));
} catch (std::exception &e) {
logger->Error(e.what());
} catch (...) {
logger->Error("An unknown exception has occurred");
}
logger->Info("Emulation has ended");
auto end = std::chrono::steady_clock::now();
logger->Info("Done in: {} ms", (std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()));
}
extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setHalt(JNIEnv *, jobject, jboolean halt) {
JniMtx.lock(skyline::GroupMutex::Group::Group2);
Halt = halt;
JniMtx.unlock();
}
extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setSurface(JNIEnv *env, jobject, jobject surface) {
JniMtx.lock(skyline::GroupMutex::Group::Group2);
if (!env->IsSameObject(Surface, nullptr))
env->DeleteGlobalRef(Surface);
if (!env->IsSameObject(surface, nullptr))
Surface = env->NewGlobalRef(surface);
else
Surface = surface;
JniMtx.unlock();
}
extern "C" JNIEXPORT jint Java_emu_skyline_EmulationActivity_getFps(JNIEnv *, jobject ) {
return fps;
}
extern "C" JNIEXPORT jfloat Java_emu_skyline_EmulationActivity_getFrametime(JNIEnv *, jobject ) {
return static_cast<float>(frametime) / 100;
}
extern "C" JNIEXPORT void JNICALL Java_emu_skyline_EmulationActivity_setButtonState(JNIEnv *, jobject, jlong id, jint state) {
skyline::input::npad::NpadButton button{.raw = static_cast<skyline::u64>(id)};
input->npad[0]->SetButtonState(button, static_cast<skyline::input::npad::NpadButtonState>(state));
}
extern "C" JNIEXPORT void JNICALL Java_emu_skyline_EmulationActivity_setAxisValue(JNIEnv *, jobject, jint id, jint value) {
input->npad[0]->SetAxisValue(static_cast<skyline::input::npad::NpadAxisId>(id), value);
}