shader: support SDWA byte left-shift counts

Scale the SDK 8-bit motor levels to SDL’s 16-bit range and use SDL’s maximum effect duration. Keep lookup and rumble under the controller lock so hot unplug cannot invalidate the SDL pointer.

src/common/emulatorConfig.cpp

@@ -22,6 +22,7 @@ void Shutdown() {
 void Load(const ConfigOptions& cfg) {
 	EXIT_IF(g_config == nullptr);
 	EXIT_IF(cfg.user_name.empty() || cfg.user_name.size() > MAX_USER_NAME_LENGTH);
+	EXIT_IF(!IsConfiguredUserIdValid(cfg.user_id));
 
 	*g_config = cfg;
 }
@@ -38,6 +39,10 @@ const std::string& GetUserName() {
 	return g_config->user_name;
 }
 
+int32_t GetUserId() {
+	return g_config->user_id;
+}
+
 PresentMode GetPresentMode() {
 	return g_config->present_mode;
 }

src/common/emulatorConfig.h

@@ -34,11 +34,19 @@ using Keymap = std::vector<std::string>;
 constexpr uint32_t DEFAULT_CONSOLE_LANGUAGE = 1;
 constexpr uint32_t MAX_CONSOLE_LANGUAGE     = 29;
 constexpr std::size_t MAX_USER_NAME_LENGTH = 16;
+constexpr int32_t DEFAULT_USER_ID           = 1000;
+
+constexpr bool IsConfiguredUserIdValid(int32_t user_id) {
+	constexpr int32_t USER_ID_EVERYONE = 0xfe;
+	constexpr int32_t USER_ID_SYSTEM   = 0xff;
+	return user_id >= 0 && user_id != USER_ID_EVERYONE && user_id != USER_ID_SYSTEM;
+}
 
 struct ConfigOptions {
 	uint32_t               screen_width                = 1280;
 	uint32_t               screen_height               = 720;
 	std::string            user_name                   = "Kyty";
+	int32_t                user_id                     = DEFAULT_USER_ID;
 	PresentMode            present_mode                = PresentMode::Fifo;
 	bool                   fullscreen_enabled          = false;
 	uint32_t               vblank_frequency            = 60;
@@ -70,6 +78,7 @@ void Load(const ConfigOptions& cfg);
 uint32_t GetScreenWidth();
 uint32_t GetScreenHeight();
 const std::string& GetUserName();
+int32_t  GetUserId();
 PresentMode GetPresentMode();
 bool     FullscreenEnabled();
 uint32_t GetVblankFrequency();

src/emulator.cpp

@@ -200,6 +200,10 @@ void Run(const RunOptions& options) {
 	int ok = atexit(KytyClose);
 	EXIT_NOT_IMPLEMENTED(ok != 0);
 
+	// Guest threads are still running, so skip KytyClose() and only flush emergency state.
+	ok = at_quick_exit(Common::Subsystems::EmergencyShutdownActive);
+	EXIT_NOT_IMPLEMENTED(ok != 0);
+
 	Libs::LibKernel::FileSystem::Mount(options.app0_dir, "/app0");
 	Libs::LibKernel::FileSystem::Mount(options.app0_dir, "/hostapp");
 

src/graphics/host_gpu/renderer/debug.cpp

@@ -84,17 +84,8 @@ void uc_print(const char* func, const HW::UserConfig& uc) {
 }
 
 void uc_check(const HW::UserConfig& uc) {
-	const auto& ge_cntl = uc.GetGeControl();
 	const auto& user_en = uc.GetGeUserVgprEn();
 
-	if (ge_cntl.primitive_group_size > 0x0040) {
-		LOGF("\t warning: unsupported GE_CNTL primitive_group_size = 0x%04" PRIx16 "\n",
-		     ge_cntl.primitive_group_size);
-	}
-	if (ge_cntl.vertex_group_size > 0x0040) {
-		LOGF("\t warning: unsupported GE_CNTL vertex_group_size = 0x%04" PRIx16 "\n",
-		     ge_cntl.vertex_group_size);
-	}
 	EXIT_NOT_IMPLEMENTED(user_en.vgpr1 != false);
 	EXIT_NOT_IMPLEMENTED(user_en.vgpr2 != false);
 	EXIT_NOT_IMPLEMENTED(user_en.vgpr3 != false);

src/graphics/host_gpu/renderer/renderDraw.cpp

@@ -450,15 +450,14 @@ static bool ShouldSkipGeShader(const CommandBuffer& buffer) {
 	const bool unsupported_stage_mask = (stages != 0 && stages != 0x02002000);
 	const bool unsupported_gs_stage = (vertex_info.es_regs.data_addr != 0 &&
 	                                   vertex_info.gs_regs.data_addr != 0 && !ps5_ngg_vertex_path);
-	const bool ge_group_size =
-	    ge_cntl.primitive_group_size > 0x0040 || ge_cntl.vertex_group_size > 0x0040;
+	// GE_CNTL group sizes control guest scheduling and do not constrain the host vertex path.
 	const bool ge_shader_regs =
 	    (sh_regs.m_geNggSubgrpCntl != 0x00000000 && sh_regs.m_geNggSubgrpCntl != 0x00000001) ||
 	    sh_regs.m_vgtGsMaxVertOut != 0x00000000 ||
 	    !is_known_gs_out_prim_type(sh_regs.m_vgtGsOutPrimType) ||
 	    sh_regs.m_geMaxOutputPerSubgroup > 0x00000040;
 
-	if (unsupported_stage_mask || unsupported_gs_stage || ge_group_size || ge_shader_regs) {
+	if (unsupported_stage_mask || unsupported_gs_stage || ge_shader_regs) {
 		static std::once_flag warning_once;
 		std::call_once(warning_once, [] {
 			std::printf("Warning: game uses unsupported graphics pipelines; some draw calls were "

src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp

@@ -940,8 +940,8 @@ constexpr Vop2SdwaRule VOP2_SDWA_RULES[] = {
      true, true},
     {SdwaSelFull(), SdwaSelAll(), SdwaSelAll(), false, false},
     {SdwaSelAll(), SdwaSelAll(), SdwaSelAll(), true, false},
-    {SdwaSelFull(), SdwaSelFull(), SdwaSelWords() | SdwaSelFull(), false, false},
-    {SdwaSelFull(), SdwaSelFull(), SdwaSelAll(), false, false},
+    {SdwaSelFull(), SdwaSelAll(), SdwaSelWords() | SdwaSelFull(), false, false},
+    {SdwaSelFull(), SdwaSelAll(), SdwaSelAll(), false, false},
     {SdwaSelWords() | SdwaSelFull(), SdwaSelAll(), SdwaSelAll(), true, false},
 };
 static_assert(sizeof(VOP2_SDWA_RULES) / sizeof(VOP2_SDWA_RULES[0]) ==

src/launcher/forms/configuration_edit_dialog.ui

@@ -119,41 +119,58 @@
        </widget>
       </item>
       <item row="2" column="0">
+       <widget class="QLabel" name="label_user_id">
+        <property name="text">
+         <string>User ID:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QSpinBox" name="spinBox_user_id">
+        <property name="toolTip">
+         <string>Local user ID exposed to games</string>
+        </property>
+        <property name="maximum">
+         <number>2147483647</number>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
        <widget class="QLabel" name="label_16">
         <property name="text">
          <string>Screen resolution:</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="1">
+      <item row="3" column="1">
        <widget class="QComboBox" name="comboBox_screen_resolution">
         <property name="toolTip">
          <string>Window resolution</string>
         </property>
        </widget>
       </item>
-      <item row="3" column="0">
+      <item row="4" column="0">
        <widget class="QLabel" name="label_present_mode">
         <property name="text">
          <string>Present mode:</string>
         </property>
        </widget>
       </item>
-      <item row="3" column="1">
+      <item row="4" column="1">
        <widget class="QComboBox" name="comboBox_present_mode">
         <property name="toolTip">
          <string>Vulkan swapchain presentation mode</string>
         </property>
        </widget>
       </item>
-      <item row="4" column="0">
+      <item row="5" column="0">
        <widget class="QLabel" name="label_vblank_frequency">
         <property name="text">
          <string>Vblank frequency:</string>
         </property>
        </widget>
       </item>
-      <item row="4" column="1">
+      <item row="5" column="1">
        <widget class="QSpinBox" name="spinBox_vblank_frequency">
         <property name="toolTip">
          <string>Virtual display refresh rate used for frame pacing</string>
@@ -169,56 +186,56 @@
         </property>
        </widget>
       </item>
-      <item row="5" column="0">
+      <item row="6" column="0">
        <widget class="QLabel" name="label_console_language">
         <property name="text">
          <string>Console language:</string>
         </property>
        </widget>
       </item>
-      <item row="5" column="1">
+      <item row="6" column="1">
        <widget class="QComboBox" name="comboBox_console_language">
         <property name="toolTip">
          <string>Language</string>
         </property>
        </widget>
       </item>
-      <item row="6" column="0">
+      <item row="7" column="0">
        <widget class="QLabel" name="label_20">
         <property name="text">
          <string>Shader optimization type:</string>
         </property>
        </widget>
       </item>
-      <item row="6" column="1">
+      <item row="7" column="1">
        <widget class="QComboBox" name="comboBox_shader_optimization_type">
         <property name="toolTip">
          <string>Optimize shaders for code size or performance</string>
         </property>
        </widget>
       </item>
-      <item row="7" column="0">
+      <item row="8" column="0">
        <widget class="QLabel" name="label_21">
         <property name="text">
          <string>Shader log direction:</string>
         </property>
        </widget>
       </item>
-      <item row="7" column="1">
+      <item row="8" column="1">
        <widget class="QComboBox" name="comboBox_shader_log_direction">
         <property name="toolTip">
          <string>Dump shaders to file or console window. If enabled may decrease emulator performance</string>
         </property>
        </widget>
       </item>
-      <item row="8" column="0">
+      <item row="9" column="0">
        <widget class="QLabel" name="label_22">
         <property name="text">
          <string>Shader log folder:</string>
         </property>
        </widget>
       </item>
-      <item row="8" column="1">
+      <item row="9" column="1">
        <widget class="MandatoryLineEdit" name="lineEdit_shader_log_folder">
         <property name="toolTip">
          <string>Specify directory to dump shaders</string>
@@ -228,14 +245,14 @@
         </property>
        </widget>
       </item>
-      <item row="9" column="0">
+      <item row="10" column="0">
        <widget class="QLabel" name="label_24">
         <property name="text">
          <string>Command buffer dump folder:</string>
         </property>
        </widget>
       </item>
-      <item row="9" column="1">
+      <item row="10" column="1">
        <widget class="MandatoryLineEdit" name="lineEdit_cmd_dump_folder">
         <property name="toolTip">
          <string>Specify directory to dump command buffers</string>
@@ -245,28 +262,28 @@
         </property>
        </widget>
       </item>
-      <item row="10" column="0">
+      <item row="11" column="0">
        <widget class="QLabel" name="label_25">
         <property name="text">
          <string>Printf direction:</string>
         </property>
        </widget>
       </item>
-      <item row="10" column="1">
+      <item row="11" column="1">
        <widget class="QComboBox" name="comboBox_printf_direction">
         <property name="toolTip">
          <string>Print logs to file or console window. If enabled may decrease emulator performance</string>
         </property>
        </widget>
       </item>
-      <item row="11" column="0">
+      <item row="12" column="0">
        <widget class="QLabel" name="label_26">
         <property name="text">
          <string>Printf output file:</string>
         </property>
        </widget>
       </item>
-      <item row="11" column="1">
+      <item row="12" column="1">
        <widget class="MandatoryLineEdit" name="lineEdit_printf_file">
         <property name="toolTip">
          <string>Specify file to dump logs</string>
@@ -276,14 +293,14 @@
         </property>
        </widget>
       </item>
-      <item row="12" column="0">
+      <item row="13" column="0">
        <widget class="QLabel" name="label_27">
         <property name="text">
          <string>Profiler direction:</string>
         </property>
        </widget>
       </item>
-      <item row="12" column="1">
+      <item row="13" column="1">
        <widget class="QComboBox" name="comboBox_profiler_direction">
         <property name="toolTip">
          <string>Enable or disable profiler. If enabled may decrease emulator performance</string>

src/launcher/include/configuration.h

@@ -2,6 +2,7 @@
 #define LAUNCHER_INCLUDE_CONFIGURATION_H_
 
 #include "common.h"
+#include "common/emulatorConfig.h"
 
 #include <QByteArray>
 #include <QChar>
@@ -91,6 +92,7 @@ public:
 
 	Resolution             screen_resolution           = Resolution::R1280X720;
 	QString                user_name                   = "Kyty";
+	int                    user_id                     = Config::DEFAULT_USER_ID;
 	PresentMode            present_mode                = PresentMode::Fifo;
 	bool                   fullscreen_enabled          = false;
 	int                    vblank_frequency            = 60;
@@ -116,6 +118,7 @@ public:
 	void CopyEmulatorSettingsFrom(const Configuration& other) {
 		screen_resolution           = other.screen_resolution;
 		user_name                   = other.user_name;
+		user_id                     = other.user_id;
 		present_mode                = other.present_mode;
 		fullscreen_enabled          = other.fullscreen_enabled;
 		vblank_frequency            = other.vblank_frequency;
@@ -158,6 +161,7 @@ public:
 		KYTY_CFG_SET(custom_settings);
 		KYTY_CFG_SET(screen_resolution);
 		KYTY_CFG_SET(user_name);
+		KYTY_CFG_SET(user_id);
 		KYTY_CFG_SET(present_mode);
 		KYTY_CFG_SET(fullscreen_enabled);
 		KYTY_CFG_SET(vblank_frequency);
@@ -186,7 +190,12 @@ public:
 		KYTY_CFG_GET(game_path);
 		KYTY_CFG_GET(custom_settings);
 		KYTY_CFG_GET(screen_resolution);
-		user_name = s->value("user_name", user_name).toString();
+		user_name          = s->value("user_name", user_name).toString();
+		bool user_id_ok    = false;
+		auto saved_user_id = s->value("user_id", user_id).toInt(&user_id_ok);
+		user_id            = user_id_ok && Config::IsConfiguredUserIdValid(saved_user_id)
+		                         ? saved_user_id
+		                         : Config::DEFAULT_USER_ID;
 		KYTY_CFG_GET(present_mode);
 		if (EnumToText(present_mode).isEmpty()) {
 			present_mode = PresentMode::Fifo;

src/launcher/src/configurationEditDialog.cpp

@@ -156,6 +156,7 @@ static void ListInit(QComboBox* combo, T value) {
 void ConfigurationEditDialog::Init(const Configuration& info) {
 	m_ui->lineEdit_user_name->setMaxLength(static_cast<int>(Config::MAX_USER_NAME_LENGTH));
 	m_ui->lineEdit_user_name->setText(info.user_name);
+	m_ui->spinBox_user_id->setValue(info.user_id);
 	ListInit(m_ui->comboBox_screen_resolution, info.screen_resolution);
 	ListInit(m_ui->comboBox_present_mode, info.present_mode);
 	m_ui->checkBox_fullscreen->setChecked(info.fullscreen_enabled);
@@ -289,6 +290,7 @@ void ConfigurationEditDialog::moveEvent(QMoveEvent* event) {
 
 static void UpdateInfo(Configuration& info, Ui::ConfigurationEditDialog& ui) {
 	info.user_name = ui.lineEdit_user_name->text().trimmed();
+	info.user_id   = ui.spinBox_user_id->value();
 	info.screen_resolution =
 	    TextToEnum<Configuration::Resolution>(ui.comboBox_screen_resolution->currentText());
 	info.present_mode =
@@ -337,6 +339,11 @@ void ConfigurationEditDialog::save() {
 		return;
 	}
 	m_ui->lineEdit_user_name->setText(user_name);
+	if (!Config::IsConfiguredUserIdValid(m_ui->spinBox_user_id->value())) {
+		QMessageBox::critical(this, tr("Save failed"),
+		                      tr("User ID cannot be 254 (everyone) or 255 (system)"));
+		return;
+	}
 
 	update_info();
 

src/launcher/src/mainDialog.cpp

@@ -205,6 +205,7 @@ static QStringList CreateEmulatorArgs(const Configuration& info) {
 	args << "--screen-width" << r.at(0);
 	args << "--screen-height" << r.at(1);
 	args << "--user-name" << info.user_name;
+	args << "--user-id" << QString::number(info.user_id);
 	args << "--present-mode" << EnumToText(info.present_mode);
 	if (info.fullscreen_enabled) {
 		args << "--fullscreen";

src/libs/controller.cpp

@@ -1,7 +1,9 @@
 #include "libs/controller.h"
 
+#include "SDL.h"
 #include "common/assert.h"
 #include "common/common.h"
+#include "common/emulatorConfig.h"
 #include "common/logging/log.h"
 #include "common/stringUtils.h"
 #include "common/threads.h"
@@ -21,6 +23,9 @@ LIB_NAME("Pad", "Pad");
 constexpr int PAD_ERROR_INVALID_ARG    = -2137915391; /* 0x80920001 */
 constexpr int PAD_ERROR_INVALID_HANDLE = -2137915389; /* 0x80920003 */
 
+// SDL limits rumble commands to 0xffff ms; zero strengths stop immediately.
+constexpr uint32_t RUMBLE_DURATION_MS = 0xffff;
+
 struct PadControllerInformation {
 	float    touch_pixel_density;
 	uint16_t touch_resolution_x;
@@ -58,6 +63,7 @@ public:
 	void Axis(int id, Axis axis, int value);
 	void ResetInputState();
 	void GetConnectionInfo(bool* flag, int* count);
+	void SetVibration(uint8_t large_motor, uint8_t small_motor);
 	void ReadState(ControllerState* state, bool* flag, int* count);
 	int  ReadStates(ControllerState* states, int states_num, bool* flag, int* count);
 
@@ -268,6 +274,25 @@ void GameController::ResetInputState() {
 	AddState(state);
 }
 
+void GameController::SetVibration(uint8_t large_motor, uint8_t small_motor) {
+	Common::LockGuard lock(m_mutex);
+
+	if (m_active_id == HOST_INPUT_CONTROLLER_ID) {
+		return;
+	}
+
+	auto* pad = SDL_GameControllerFromInstanceID(static_cast<SDL_JoystickID>(m_active_id));
+	if (pad == nullptr) {
+		return;
+	}
+
+	const auto large = static_cast<uint16_t>(large_motor * 0x101U);
+	const auto small = static_cast<uint16_t>(small_motor * 0x101U);
+	if (SDL_GameControllerRumble(pad, large, small, RUMBLE_DURATION_MS) != 0) {
+		LOGF("\t rumble failed: %s\n", SDL_GetError());
+	}
+}
+
 void GameController::GetConnectionInfo(bool* flag, int* count) {
 	EXIT_IF(flag == nullptr);
 	EXIT_IF(count == nullptr);
@@ -358,13 +383,12 @@ int KYTY_SYSV_ABI PadInit() {
 }
 
 static bool PadOpenArgsAreValid(int user_id, int type, int index) {
-	constexpr int user_id_initial    = 1000;
 	constexpr int user_id_system     = 0xff;
 	constexpr int port_type_standard = 0;
 	constexpr int port_type_special  = 2;
 	constexpr int port_type_remote   = 16;
 	const bool    personal_port =
-	    user_id == user_id_initial && (type == port_type_standard || type == port_type_special);
+	    user_id == Config::GetUserId() && (type == port_type_standard || type == port_type_special);
 	const bool system_remote_control = user_id == user_id_system && type == port_type_remote;
 	return index == 0 && (personal_port || system_remote_control);
 }
@@ -544,6 +568,9 @@ int KYTY_SYSV_ABI PadSetVibration(int handle, const PadVibrationParam* param) {
 	     "\t small_motor = %d\n",
 	     static_cast<int>(param->large_motor), static_cast<int>(param->small_motor));
 
+	EXIT_IF(g_controller == nullptr);
+	g_controller->SetVibration(param->large_motor, param->small_motor);
+
 	return OK;
 }
 

src/libs/dialog.cpp

@@ -1,5 +1,6 @@
 #include "libs/dialog.h"
 
+#include "common/emulatorConfig.h"
 #include "common/logging/log.h"
 #include "common/stringUtils.h"
 #include "libs/errno.h"
@@ -41,7 +42,6 @@ constexpr int LOGIN_RESULT_OK          = 0;
 constexpr int LOGIN_MODE_ALL_USERS     = 0;
 constexpr int LOGIN_MODE_NOT_LOGGED_IN = 1;
 constexpr int LOGIN_USER_INVALID       = -1;
-constexpr int LOGIN_USER_ID            = 1000;
 
 constexpr int LOGIN_ERROR_NOT_INITIALIZED     = static_cast<int>(0x81340001u);
 constexpr int LOGIN_ERROR_ALREADY_INITIALIZED = static_cast<int>(0x81340002u);
@@ -67,7 +67,7 @@ static_assert(sizeof(LoginDialogResult) == 16);
 static_assert(sizeof(LoginDialogParam) == 64);
 
 static int g_login_status        = LOGIN_STATUS_NONE;
-static int g_login_selected_user = LOGIN_USER_ID;
+static int g_login_selected_user = LOGIN_USER_INVALID;
 
 int KYTY_SYSV_ABI LoginDialogInitialize() {
 	PRINT_NAME();
@@ -77,7 +77,7 @@ int KYTY_SYSV_ABI LoginDialogInitialize() {
 	}
 
 	g_login_status        = LOGIN_STATUS_INITIALIZED;
-	g_login_selected_user = LOGIN_USER_ID;
+	g_login_selected_user = Config::GetUserId();
 
 	return OK;
 }
@@ -90,7 +90,7 @@ int KYTY_SYSV_ABI LoginDialogTerminate() {
 	}
 
 	g_login_status        = LOGIN_STATUS_NONE;
-	g_login_selected_user = LOGIN_USER_ID;
+	g_login_selected_user = LOGIN_USER_INVALID;
 
 	return OK;
 }
@@ -112,7 +112,7 @@ int KYTY_SYSV_ABI LoginDialogOpen(const void* param) {
 	}
 
 	g_login_selected_user =
-	    p->initial_focus != LOGIN_USER_INVALID ? p->initial_focus : LOGIN_USER_ID;
+	    p->initial_focus != LOGIN_USER_INVALID ? p->initial_focus : Config::GetUserId();
 
 	LOGF("\t size          = %d\n"
 	     "\t mode          = %d\n"

src/libs/libUserService.cpp

@@ -56,7 +56,7 @@ static KYTY_SYSV_ABI int UserServiceGetInitialUser(int* user_id) {
 
 	EXIT_NOT_IMPLEMENTED(user_id == nullptr);
 
-	*user_id = 1000;
+	*user_id = Config::GetUserId();
 
 	return OK;
 }
@@ -71,7 +71,7 @@ static KYTY_SYSV_ABI int UserServiceGetEvent(SceUserServiceEvent* event) {
 	if (!logged_in) {
 		logged_in         = true;
 		event->event_type = UserServiceEventTypeLogin;
-		event->user_id    = 1000;
+		event->user_id    = Config::GetUserId();
 		return OK;
 	}
 
@@ -83,7 +83,7 @@ static KYTY_SYSV_ABI int UserServiceGetLoginUserIdList(UserServiceLoginUserIdLis
 
 	EXIT_NOT_IMPLEMENTED(user_id_list == nullptr);
 
-	user_id_list->user_id[0] = 1000;
+	user_id_list->user_id[0] = Config::GetUserId();
 	user_id_list->user_id[1] = -1;
 	user_id_list->user_id[2] = -1;
 	user_id_list->user_id[3] = -1;
@@ -92,7 +92,7 @@ static KYTY_SYSV_ABI int UserServiceGetLoginUserIdList(UserServiceLoginUserIdLis
 }
 
 static KYTY_SYSV_ABI int UserServiceGetUserName(int user_id, char* name, size_t size) {
-	EXIT_NOT_IMPLEMENTED(user_id != 1000);
+	EXIT_NOT_IMPLEMENTED(user_id != Config::GetUserId());
 	EXIT_NOT_IMPLEMENTED(size < 5);
 
 	const auto& user_name = Config::GetUserName();
@@ -109,7 +109,7 @@ static KYTY_SYSV_ABI int UserServiceGetUserNumber(int user_id, int32_t* number)
 	if (number == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -124,7 +124,7 @@ static KYTY_SYSV_ABI int UserServiceGetGamePresets(int user_id, UserServiceGameP
 	if (presets == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -145,7 +145,7 @@ static KYTY_SYSV_ABI int UserServiceGetAccessibilityVibration(int user_id, int32
 	if (vibration == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -161,7 +161,7 @@ static KYTY_SYSV_ABI int UserServiceGetAccessibilityTriggerEffect(int      user_
 	if (trigger_effect == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -176,7 +176,7 @@ static KYTY_SYSV_ABI int UserServiceGetAgeLevel(int user_id, uint32_t* age_level
 	if (age_level == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -192,7 +192,7 @@ static KYTY_SYSV_ABI int UserServiceGetAccessibilityChatTranscription(int      u
 	if (chat_transcription == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -208,7 +208,7 @@ UserServiceGetAccessibilityPressAndHoldDelay(int user_id, int32_t* press_and_hol
 	if (press_and_hold_delay == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -224,7 +224,7 @@ static KYTY_SYSV_ABI int UserServiceGetAccessibilityZoomEnabled(int      user_id
 	if (zoom_enabled == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 
@@ -240,7 +240,7 @@ static KYTY_SYSV_ABI int UserServiceGetAccessibilityZoomFollowFocus(int      use
 	if (zoom_follow_focus == nullptr) {
 		return USER_SERVICE_ERROR_INVALID_ARGUMENT;
 	}
-	if (user_id != 1000) {
+	if (user_id != Config::GetUserId()) {
 		return USER_SERVICE_ERROR_NOT_LOGGED_IN;
 	}
 

src/main.cpp

@@ -49,6 +49,8 @@ static void PrintUsage() {
 	::printf("  --screen-height <num>                Window height. Default: 720.\n");
 	::printf(
 	    "  --user-name <name>                   Local user name (1-16 bytes). Default: Kyty.\n");
+	::printf("  --user-id <num>                      Local user ID. Default: %d.\n",
+	         Config::DEFAULT_USER_ID);
 	::printf("  --present-mode <value>               Fifo, Mailbox, or Immediate. Default: Fifo.\n");
 	::printf("  --fullscreen                         Run in borderless desktop fullscreen.\n");
 	::printf("  --vblank-frequency <num>             Virtual vblank frequency. Default: 60.\n");
@@ -125,6 +127,17 @@ static bool ParseConsoleLanguage(const std::string& value, uint32_t& out) {
 	return true;
 }
 
+static bool ParseUserId(const std::string& value, int32_t& out) {
+	int32_t user_id   = 0;
+	auto [end, error] = std::from_chars(value.data(), value.data() + value.size(), user_id);
+	if (error != std::errc {} || end != value.data() + value.size() ||
+	    !Config::IsConfiguredUserIdValid(user_id)) {
+		return false;
+	}
+	out = user_id;
+	return true;
+}
+
 static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_help) {
 	show_help = false;
 
@@ -211,6 +224,11 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 				return false;
 			}
 			options.config.user_name = value;
+		} else if (arg == "--user-id") {
+			if (!ParseUserId(value, options.config.user_id)) {
+				::printf("invalid user ID: %s\n", value.c_str());
+				return false;
+			}
 		} else if (arg == "--present-mode") {
 			if (!ParseEnum(value, options.config.present_mode)) {
 				::printf("invalid present mode: %s\n", value.c_str());

tests/shaderCfgTests.cpp

@@ -4043,6 +4043,40 @@ void TestNewShaderDecoderArchitecture() {
         "decoder rejected or misdecoded captured partial-destination "
         "V_ADD_NC_U32");
 
+  const uint32_t vop2_sdwa_byte_shift[] = {
+      0x2c0910f9u,
+      0x86000613u, // v_lshrrev_b32 v4, v19.byte0, 8
+  };
+  Instruction byte_shift;
+  Check(DecodeInstruction(vop2_sdwa_byte_shift, 0u, byte_shift, &error),
+        error.c_str());
+  Check(byte_shift.family == Family::VOP2 &&
+            byte_shift.opcode == Opcode::V_LSHRREV_B32 &&
+            byte_shift.word_count == 2u && byte_shift.dst.reg == 4u &&
+            byte_shift.src0.kind == OperandKind::Vgpr &&
+            byte_shift.src0.reg == 19u && byte_shift.src0.sdwa_sel == 0u &&
+            byte_shift.src1.kind == OperandKind::IntegerInlineConstant &&
+            byte_shift.src1.value == 8u,
+        "decoder rejected or misdecoded captured V_LSHRREV_B32 byte shift");
+
+  const uint32_t vop2_sdwa_byte_left_shift[] = {
+      0x340d02f9u,
+      0x86030607u, // v_lshlrev_b32 v6, v7.byte3, 1
+  };
+  Instruction byte_left_shift;
+  Check(DecodeInstruction(vop2_sdwa_byte_left_shift, 0u, byte_left_shift,
+                          &error),
+        error.c_str());
+  Check(byte_left_shift.family == Family::VOP2 &&
+            byte_left_shift.opcode == Opcode::V_LSHLREV_B32 &&
+            byte_left_shift.word_count == 2u && byte_left_shift.dst.reg == 6u &&
+            byte_left_shift.src0.kind == OperandKind::Vgpr &&
+            byte_left_shift.src0.reg == 7u &&
+            byte_left_shift.src0.sdwa_sel == 3u &&
+            byte_left_shift.src1.kind == OperandKind::IntegerInlineConstant &&
+            byte_left_shift.src1.value == 1u,
+        "decoder rejected or misdecoded captured V_LSHLREV_B32 byte shift");
+
   const uint32_t mimg_nsa[] = {EncodeMimg0(0x20, 0xf) | (3u << 1u),
                                EncodeMimg1(4, 0, 1, 8), 0x03020100u,
                                0x07060504u, 0x0b0a0908u};