mirror of
https://github.com/skyline-emu/skyline.git
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ba418976b0
This serves as an extension to the initial time commit and combined they provide a complete implementation of everything application facing in time. psc:ITimeZoneService and glue:ITimeZoneService are used to convert between POSIX and calendar times according to the device location. Timezone binaries are used during the conversion, details of them can be read about in the previous commit. This is based off my own glue RE and Thog's time RE.
173 lines
6.8 KiB
C++
173 lines
6.8 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 <unistd.h>
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#include <android/log.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/signal.h"
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#include "skyline/common/settings.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/input.h"
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#include "skyline/kernel/types/KProcess.h"
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skyline::u16 Fps;
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skyline::u32 FrameTime;
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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::input::Input> InputWeak;
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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_EmulationActivity_executeApplication(JNIEnv *env, jobject instance, jstring romUriJstring, jint romType, jint romFd, jint preferenceFd, jstring appFilesPathJstring, jobject assetManager) {
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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 = FrameTime = 0;
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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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auto settings{std::make_shared<skyline::Settings>(preferenceFd)};
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close(preferenceFd);
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auto appFilesPath{env->GetStringUTFChars(appFilesPathJstring, nullptr)};
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auto logger{std::make_shared<skyline::Logger>(std::string(appFilesPath) + "skyline.log", settings->logLevel)};
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auto start{std::chrono::steady_clock::now()};
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try {
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auto os{std::make_shared<skyline::kernel::OS>(jvmManager, logger, settings, std::string(appFilesPath), GetTimeZoneName(), std::make_shared<skyline::vfs::AndroidAssetFileSystem>(AAssetManager_fromJava(env, assetManager)))};
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OsWeak = os;
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GpuWeak = os->state.gpu;
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InputWeak = os->state.input;
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jvmManager->InitializeControllers();
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env->ReleaseStringUTFChars(appFilesPathJstring, appFilesPath);
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auto romUri{env->GetStringUTFChars(romUriJstring, nullptr)};
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logger->Info("Launching ROM {}", romUri);
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env->ReleaseStringUTFChars(romUriJstring, romUri);
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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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logger->Error(e.what());
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} catch (const skyline::signal::SignalException &e) {
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logger->Error(e.what());
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} catch (...) {
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logger->Error("An unknown exception has occurred");
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}
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InputWeak.reset();
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logger->Info("Emulation has ended");
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auto end{std::chrono::steady_clock::now()};
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logger->Info("Done in: {} ms", (std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()));
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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) {
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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(true, 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_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 frametimeField{};
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if (!frametimeField)
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frametimeField = env->GetFieldID(clazz, "frametime", "F");
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env->SetFloatField(thiz, frametimeField, static_cast<float>(FrameTime) / 100);
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}
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extern "C" JNIEXPORT void JNICALL Java_emu_skyline_EmulationActivity_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[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_EmulationActivity_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_EmulationActivity_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[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_EmulationActivity_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[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_EmulationActivity_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)), 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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