mirror of
https://github.com/skyline-emu/skyline.git
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244 lines
9.6 KiB
C++
244 lines
9.6 KiB
C++
// SPDX-License-Identifier: MPL-2.0
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// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
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#include <csignal>
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#include <pthread.h>
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#include <android/asset_manager_jni.h>
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#include <sys/system_properties.h>
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#include "skyline/common.h"
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#include "skyline/common/language.h"
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#include "skyline/common/signal.h"
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#include "skyline/common/android_settings.h"
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#include "skyline/common/trace.h"
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#include "skyline/loader/loader.h"
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#include "skyline/vfs/android_asset_filesystem.h"
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#include "skyline/os.h"
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#include "skyline/jvm.h"
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#include "skyline/gpu.h"
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#include "skyline/audio.h"
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#include "skyline/input.h"
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#include "skyline/kernel/types/KProcess.h"
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jint Fps; //!< An approximation of the amount of frames being submitted every second
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jfloat AverageFrametimeMs; //!< The average time it takes for a frame to be rendered and presented in milliseconds
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jfloat AverageFrametimeDeviationMs; //!< The average deviation of the average frametimes in milliseconds
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std::weak_ptr<skyline::kernel::OS> OsWeak;
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std::weak_ptr<skyline::gpu::GPU> GpuWeak;
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std::weak_ptr<skyline::audio::Audio> AudioWeak;
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std::weak_ptr<skyline::input::Input> InputWeak;
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std::weak_ptr<skyline::Settings> SettingsWeak;
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// https://cs.android.com/android/platform/superproject/+/master:bionic/libc/tzcode/bionic.cpp;l=43;drc=master;bpv=1;bpt=1
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static std::string GetTimeZoneName() {
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const char *nameEnv = getenv("TZ");
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if (nameEnv)
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return std::string(nameEnv);
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char propBuf[PROP_VALUE_MAX];
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if (__system_property_get("persist.sys.timezone", propBuf)) {
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std::string nameProp(propBuf);
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// Flip -/+, see https://cs.android.com/android/platform/superproject/+/master:bionic/libc/tzcode/bionic.cpp;l=53;drc=master;bpv=1;bpt=1
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if (nameProp.size() > 2) {
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if (nameProp[2] == '-')
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nameProp[2] = '+';
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else if (nameProp[2] == '+')
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nameProp[2] = '-';
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}
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return nameProp;
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}
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// Fallback to GMT
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return "GMT";
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}
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extern "C" JNIEXPORT void Java_emu_skyline_SkylineApplication_initializeLog(
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JNIEnv *env,
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jobject,
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jstring publicAppFilesPathJstring,
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jint logLevel
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) {
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skyline::JniString publicAppFilesPath(env, publicAppFilesPathJstring);
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skyline::Logger::configLevel = static_cast<skyline::Logger::LogLevel>(logLevel);
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skyline::Logger::LoaderContext.Initialize(publicAppFilesPath + "logs/loader.sklog");
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}
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extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_executeApplication(
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JNIEnv *env,
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jobject instance,
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jstring romUriJstring,
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jint romType,
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jint romFd,
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jobject settingsInstance,
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jstring publicAppFilesPathJstring,
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jstring privateAppFilesPathJstring,
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jstring nativeLibraryPathJstring,
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jobject assetManager
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) {
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skyline::signal::ScopedStackBlocker stackBlocker; // We do not want anything to unwind past JNI code as there are invalid stack frames which can lead to a segmentation fault
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Fps = 0;
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AverageFrametimeMs = AverageFrametimeDeviationMs = 0.0f;
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pthread_setname_np(pthread_self(), "EmuMain");
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auto jvmManager{std::make_shared<skyline::JvmManager>(env, instance)};
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std::shared_ptr<skyline::Settings> settings{std::make_shared<skyline::AndroidSettings>(env, settingsInstance)};
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skyline::JniString publicAppFilesPath(env, publicAppFilesPathJstring);
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skyline::Logger::EmulationContext.Initialize(publicAppFilesPath + "logs/emulation.sklog");
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auto start{std::chrono::steady_clock::now()};
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// Initialize tracing
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perfetto::TracingInitArgs args;
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args.backends |= perfetto::kSystemBackend;
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perfetto::Tracing::Initialize(args);
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perfetto::TrackEvent::Register();
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try {
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skyline::JniString nativeLibraryPath(env, nativeLibraryPathJstring);
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skyline::JniString privateAppFilesPath{env, privateAppFilesPathJstring};
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auto os{std::make_shared<skyline::kernel::OS>(
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jvmManager,
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settings,
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publicAppFilesPath,
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privateAppFilesPath,
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nativeLibraryPath,
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GetTimeZoneName(),
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std::make_shared<skyline::vfs::AndroidAssetFileSystem>(AAssetManager_fromJava(env, assetManager))
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)};
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OsWeak = os;
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GpuWeak = os->state.gpu;
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AudioWeak = os->state.audio;
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InputWeak = os->state.input;
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SettingsWeak = settings;
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jvmManager->InitializeControllers();
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skyline::Logger::DebugNoPrefix("Launching ROM {}", skyline::JniString(env, romUriJstring));
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os->Execute(romFd, static_cast<skyline::loader::RomFormat>(romType));
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} catch (std::exception &e) {
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skyline::Logger::ErrorNoPrefix("An uncaught exception has occurred: {}", e.what());
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} catch (const skyline::signal::SignalException &e) {
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skyline::Logger::ErrorNoPrefix("An uncaught exception has occurred: {}", e.what());
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} catch (...) {
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skyline::Logger::ErrorNoPrefix("An unknown uncaught exception has occurred");
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}
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perfetto::TrackEvent::Flush();
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InputWeak.reset();
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auto end{std::chrono::steady_clock::now()};
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skyline::Logger::Write(skyline::Logger::LogLevel::Info, fmt::format("Emulation has ended in {}ms", std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()));
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skyline::Logger::EmulationContext.Finalize();
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close(romFd);
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}
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extern "C" JNIEXPORT jboolean Java_emu_skyline_EmulationActivity_stopEmulation(JNIEnv *, jobject, jboolean join) {
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auto os{OsWeak.lock()};
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if (!os)
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return false;
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auto process{os->state.process};
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if (!process)
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return false;
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process->Kill(join, false, true);
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return true;
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}
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extern "C" JNIEXPORT jboolean Java_emu_skyline_EmulationActivity_setSurface(JNIEnv *, jobject, jobject surface) {
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auto gpu{GpuWeak.lock()};
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if (!gpu)
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return false;
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gpu->presentation.UpdateSurface(surface);
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return true;
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}
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extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_changeAudioStatus(JNIEnv *, jobject, jboolean play) {
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auto audio{AudioWeak.lock()};
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if (audio)
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if (play)
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audio->Resume();
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else
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audio->Pause();
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}
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extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_updatePerformanceStatistics(JNIEnv *env, jobject thiz) {
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static jclass clazz{};
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if (!clazz)
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clazz = env->GetObjectClass(thiz);
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static jfieldID fpsField{};
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if (!fpsField)
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fpsField = env->GetFieldID(clazz, "fps", "I");
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env->SetIntField(thiz, fpsField, Fps);
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static jfieldID averageFrametimeField{};
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if (!averageFrametimeField)
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averageFrametimeField = env->GetFieldID(clazz, "averageFrametime", "F");
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env->SetFloatField(thiz, averageFrametimeField, AverageFrametimeMs);
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static jfieldID averageFrametimeDeviationField{};
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if (!averageFrametimeDeviationField)
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averageFrametimeDeviationField = env->GetFieldID(clazz, "averageFrametimeDeviation", "F");
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env->SetFloatField(thiz, averageFrametimeDeviationField, AverageFrametimeDeviationMs);
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_input_InputHandler_00024Companion_setController(JNIEnv *, jobject, jint index, jint type, jint partnerIndex) {
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auto input{InputWeak.lock()};
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std::lock_guard guard(input->npad.mutex);
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input->npad.controllers[static_cast<size_t>(index)] = skyline::input::GuestController{static_cast<skyline::input::NpadControllerType>(type), static_cast<skyline::i8>(partnerIndex)};
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_input_InputHandler_00024Companion_updateControllers(JNIEnv *, jobject) {
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InputWeak.lock()->npad.Update();
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_input_InputHandler_00024Companion_setButtonState(JNIEnv *, jobject, jint index, jlong mask, jboolean pressed) {
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auto input{InputWeak.lock()};
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if (!input)
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return; // We don't mind if we miss button updates while input hasn't been initialized
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auto device{input->npad.controllers[static_cast<size_t>(index)].device};
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if (device)
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device->SetButtonState(skyline::input::NpadButton{.raw = static_cast<skyline::u64>(mask)}, pressed);
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_input_InputHandler_00024Companion_setAxisValue(JNIEnv *, jobject, jint index, jint axis, jint value) {
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auto input{InputWeak.lock()};
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if (!input)
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return; // We don't mind if we miss axis updates while input hasn't been initialized
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auto device{input->npad.controllers[static_cast<size_t>(index)].device};
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if (device)
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device->SetAxisValue(static_cast<skyline::input::NpadAxisId>(axis), value);
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_input_InputHandler_00024Companion_setTouchState(JNIEnv *env, jobject, jintArray pointsJni) {
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using Point = skyline::input::TouchScreenPoint;
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auto input{InputWeak.lock()};
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if (!input)
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return; // We don't mind if we miss touch updates while input hasn't been initialized
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jboolean isCopy{false};
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skyline::span<Point> points(reinterpret_cast<Point *>(env->GetIntArrayElements(pointsJni, &isCopy)),
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static_cast<size_t>(env->GetArrayLength(pointsJni)) / (sizeof(Point) / sizeof(jint)));
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input->touch.SetState(points);
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env->ReleaseIntArrayElements(pointsJni, reinterpret_cast<jint *>(points.data()), JNI_ABORT);
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_utils_NativeSettings_updateNative(JNIEnv *env, jobject) {
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auto settings{SettingsWeak.lock()};
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if (!settings)
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return; // We don't mind if we miss settings updates while settings haven't been initialized
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settings->Update();
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_utils_NativeSettings_00024Companion_setLogLevel(JNIEnv *, jobject, jint logLevel) {
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skyline::Logger::configLevel = static_cast<skyline::Logger::LogLevel>(logLevel);
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}
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