Matt Hills
14045accb5
Renders the emulator framebuffer into a calculated sub-rect with nearest-neighbor scaling and black bars, driven by the core's reported aspect ratio. Adds a cycle button in the game HUD and a display mode setting in the settings screen.
125 lines
4.3 KiB
C++
125 lines
4.3 KiB
C++
#include "libretro_frontend.h"
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#include <jni.h>
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#include <android/log.h>
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#include <android/native_window_jni.h>
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#define LOG_TAG "JniBridge"
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#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
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extern "C" {
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JNIEXPORT jboolean JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeLoadCore(JNIEnv* env, jobject, jstring corePath) {
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const char* path = env->GetStringUTFChars(corePath, nullptr);
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bool result = LibretroFrontend::instance().loadCore(path);
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env->ReleaseStringUTFChars(corePath, path);
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return result;
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}
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JNIEXPORT jboolean JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeLoadGame(JNIEnv* env, jobject, jstring romPath) {
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const char* path = env->GetStringUTFChars(romPath, nullptr);
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bool result = LibretroFrontend::instance().loadGame(path);
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env->ReleaseStringUTFChars(romPath, path);
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return result;
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeStart(JNIEnv*, jobject) {
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LibretroFrontend::instance().start();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativePause(JNIEnv*, jobject) {
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LibretroFrontend::instance().pause();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeResume(JNIEnv*, jobject) {
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LibretroFrontend::instance().resume();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeStop(JNIEnv*, jobject) {
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LibretroFrontend::instance().stop();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeReset(JNIEnv*, jobject) {
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LibretroFrontend::instance().reset();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetSurface(JNIEnv* env, jobject, jobject surface) {
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if (surface) {
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ANativeWindow* window = ANativeWindow_fromSurface(env, surface);
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LibretroFrontend::instance().setWindow(window);
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ANativeWindow_release(window); // setWindow does its own acquire
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} else {
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LibretroFrontend::instance().releaseWindow();
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}
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeReleaseSurface(JNIEnv*, jobject) {
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LibretroFrontend::instance().releaseWindow();
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetButtonState(JNIEnv*, jobject, jint state) {
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LibretroFrontend::instance().setButtonState(static_cast<uint16_t>(state));
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetAnalogState(JNIEnv*, jobject, jint stick, jshort x, jshort y) {
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LibretroFrontend::instance().setAnalogState(stick, x, y);
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}
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JNIEXPORT jboolean JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSaveState(JNIEnv* env, jobject, jstring path) {
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const char* p = env->GetStringUTFChars(path, nullptr);
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bool result = LibretroFrontend::instance().saveState(p);
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env->ReleaseStringUTFChars(path, p);
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return result;
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}
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JNIEXPORT jboolean JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeLoadState(JNIEnv* env, jobject, jstring path) {
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const char* p = env->GetStringUTFChars(path, nullptr);
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bool result = LibretroFrontend::instance().loadState(p);
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env->ReleaseStringUTFChars(path, p);
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return result;
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetAudioEnabled(JNIEnv*, jobject, jboolean enabled) {
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LibretroFrontend::instance().setAudioEnabled(enabled);
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetFrameSkip(JNIEnv*, jobject, jint skip) {
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LibretroFrontend::instance().setFrameSkip(skip);
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetDisplayMode(JNIEnv*, jobject, jint mode) {
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LibretroFrontend::instance().setDisplayMode(mode);
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetSystemDir(JNIEnv* env, jobject, jstring dir) {
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const char* d = env->GetStringUTFChars(dir, nullptr);
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LibretroFrontend::instance().setSystemDir(d);
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env->ReleaseStringUTFChars(dir, d);
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}
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JNIEXPORT void JNICALL
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Java_com_lazy_emulate_emulation_NativeLibretro_nativeSetSaveDir(JNIEnv* env, jobject, jstring dir) {
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const char* d = env->GetStringUTFChars(dir, nullptr);
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LibretroFrontend::instance().setSaveDir(d);
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env->ReleaseStringUTFChars(dir, d);
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}
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} // extern "C"
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