[core/ threads] Initial refactor for Multithreading

src/android/app/build.gradle.kts

@@ -188,6 +188,7 @@ android {
         create("mainline") {
             dimension = "version"
             isDefault = true
+            minSdk = 33
 
             manifestPlaceholders += mapOf("appNameBase" to "Eden")
             resValue("string", "app_name_suffixed", "Eden")
@@ -199,6 +200,7 @@ android {
 
         create("genshinSpoof") {
             dimension = "version"
+            minSdk = 35
             manifestPlaceholders += mapOf("appNameBase" to "Eden Optimized")
             resValue("string", "app_name_suffixed", "Eden Optimized")
             applicationId = "com.miHoYo.Yuanshen"
@@ -216,6 +218,7 @@ android {
 
         create("legacy") {
             dimension = "version"
+            minSdk = 29
             manifestPlaceholders += mapOf("appNameBase" to "Eden Legacy")
             resValue("string", "app_name_suffixed", "Eden Legacy")
             applicationId = "dev.legacy.eden_emulator"

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -218,6 +218,8 @@ object NativeLibrary {
 
     external fun logSettings()
 
+    external fun refreshThreadPolicies()
+
     external fun getDebugKnobAt(index: Int): Boolean
 
     /**

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -594,7 +594,7 @@ abstract class SettingsItem(
                     IntSetting.ANDROID_PIPELINE_WORKERS,
                     titleId = R.string.pipeline_worker_cores,
                     descriptionId = R.string.pipeline_worker_cores_description,
-                    min = 4,
+                    min = 2,
                     max = 8,
                     units = "cores"
                 )

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -1451,6 +1451,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     override fun onResume() {
         super.onResume()
+        NativeLibrary.refreshThreadPolicies()
         val b = _binding ?: return
         updateStatsPosition(IntSetting.PERF_OVERLAY_POSITION.getInt())
         updateSocPosition(IntSetting.SOC_OVERLAY_POSITION.getInt())

src/android/app/src/main/jni/native.cpp

@@ -50,6 +50,7 @@ extern "C" {
 #include "common/scope_exit.h"
 #include "common/settings.h"
 #include "common/string_util.h"
+#include "common/thread.h"
 #include "frontend_common/play_time_manager.h"
 #include "core/constants.h"
 #include "core/core.h"
@@ -1182,6 +1183,10 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_logSettings(JNIEnv* env, jobject jobj
     Settings::LogSettings();
 }
 
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_refreshThreadPolicies(JNIEnv* env, jobject jobj) {
+    Common::RefreshThreadPolicies();
+}
+
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_getDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
     return static_cast<jboolean>(Settings::getDebugKnobAt(static_cast<u8>(index)));
 }