shader: Remove curly braces initializers on shared pointers

Partially implement Indexed samplers in general and specific code in GLSL

dist/qt_themes/qdarkstyle/style.qss

@@ -2,7 +2,8 @@ QToolTip {
     border: 1px solid #76797C;
     background-color: #5A7566;
     color: white;
-    padding: 0px;                /*remove padding, for fix combobox tooltip.*/
+    /*remove padding, for fix combobox tooltip.*/
+    padding: 0;
     opacity: 200;
 }
 
@@ -13,7 +14,7 @@ QWidget {
     selection-color: #eff0f1;
     background-clip: border;
     border-image: none;
-    border: 0px transparent black;
+    border: 0;
     outline: 0;
 }
 
@@ -27,10 +28,10 @@ QWidget:item:selected {
 }
 
 QCheckBox {
-    spacing: 5px;
+    spacing: 6px;
     outline: none;
     color: #eff0f1;
-    margin-bottom: 2px;
+    margin: 0 2px 1px 0;
 }
 
 QCheckBox:disabled {
@@ -163,7 +164,7 @@ QMenuBar::item:selected {
 }
 
 QMenuBar::item:pressed {
-    border: 1px solid #76797C;
+    border: 1px solid #18465d;
     background-color: #3daee9;
     color: #eff0f1;
     margin-bottom: -1px;
@@ -171,9 +172,9 @@ QMenuBar::item:pressed {
 }
 
 QMenu {
-    border: 1px solid #76797C;
+    border: 1px solid #434242;
+    padding: 2px;
     color: #eff0f1;
-    margin: 2px;
 }
 
 QMenu::icon {
@@ -190,11 +191,21 @@ QMenu::item:selected {
     color: #eff0f1;
 }
 
-QMenu::separator {
-    height: 2px;
-    background: #76797C;
-    margin-left: 10px;
-    margin-right: 5px;
+QMenu::item:disabled {
+    color: #54575B;
+}
+
+QMenu::item:disabled:hover,
+QMenu::item:disabled:selected {
+    background-color: #393e43;
+    color: #666;
+}
+
+QMenu::separator,
+QMenuBar::separator {
+    height: 1px;
+    background-color: #54575B;
+    margin: 2px 4px 2px 40px;
 }
 
 QMenu::indicator {
@@ -203,10 +214,7 @@ QMenu::indicator {
     height: 18px;
 }
 
-
-/* non-exclusive indicator = check box style indicator
-   (see QActionGroup::setExclusive) */
-
+/* non-exclusive indicator = check box style indicator (see QActionGroup::setExclusive) */
 QMenu::indicator:non-exclusive:unchecked {
     image: url(:/qss_icons/rc/checkbox_unchecked.png);
 }
@@ -223,9 +231,7 @@ QMenu::indicator:non-exclusive:checked:selected {
     image: url(:/qss_icons/rc/checkbox_checked_disabled.png);
 }
 
-
 /* exclusive indicator = radio button style indicator (see QActionGroup::setExclusive) */
-
 QMenu::indicator:exclusive:unchecked {
     image: url(:/qss_icons/rc/radio_unchecked.png);
 }
@@ -243,12 +249,12 @@ QMenu::indicator:exclusive:checked:selected {
 }
 
 QMenu::right-arrow {
-    margin: 5px;
+    margin-right: 10px;
     image: url(:/qss_icons/rc/right_arrow.png)
 }
 
 QWidget:disabled {
-    color: #454545;
+    color: #4f515b;
     background-color: #31363b;
 }
 
@@ -259,23 +265,30 @@ QAbstractItemView {
     border-radius: 2px;
 }
 
-QWidget:focus,
-QMenuBar:focus {
+QAbstractItemView:disabled,
+QAbstractItemView:read-only {
+    alternate-background-color: #232629;
+}
+
+QWidget:focus {
     border: 1px solid #3daee9;
 }
 
 QTabWidget:focus,
 QCheckBox:focus,
 QRadioButton:focus,
-QSlider:focus {
+QSlider:focus,
+QTreeView:focus,
+QMenu:focus,
+QMenuBar:focus,
+QTabBar:focus {
     border: none;
 }
 
 QLineEdit {
     background-color: #232629;
     padding: 5px;
-    border-style: solid;
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     border-radius: 2px;
     color: #eff0f1;
 }
@@ -285,9 +298,10 @@ QAbstractItemView QLineEdit {
 }
 
 QGroupBox {
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     border-radius: 2px;
-    margin-top: 20px;
+    margin-top: 12px;
+    padding-top: 2px;
 }
 
 QGroupBox::title {
@@ -295,12 +309,12 @@ QGroupBox::title {
     subcontrol-position: top center;
     padding-left: 10px;
     padding-right: 10px;
-    padding-top: 10px;
+    padding-top: 2px;
 }
 
 QAbstractScrollArea {
     border-radius: 2px;
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     background-color: transparent;
 }
 
@@ -319,7 +333,7 @@ QScrollBar::handle:horizontal {
 }
 
 QScrollBar::add-line:horizontal {
-    margin: 0px 3px 0px 3px;
+    margin: 0 3px;
     border-image: url(:/qss_icons/rc/right_arrow_disabled.png);
     width: 10px;
     height: 10px;
@@ -328,7 +342,7 @@ QScrollBar::add-line:horizontal {
 }
 
 QScrollBar::sub-line:horizontal {
-    margin: 0px 3px 0px 3px;
+    margin: 0 3px;
     border-image: url(:/qss_icons/rc/left_arrow_disabled.png);
     height: 10px;
     width: 10px;
@@ -379,7 +393,7 @@ QScrollBar::handle:vertical {
 }
 
 QScrollBar::sub-line:vertical {
-    margin: 3px 0px 3px 0px;
+    margin: 3px 0;
     border-image: url(:/qss_icons/rc/up_arrow_disabled.png);
     height: 10px;
     width: 10px;
@@ -388,7 +402,7 @@ QScrollBar::sub-line:vertical {
 }
 
 QScrollBar::add-line:vertical {
-    margin: 3px 0px 3px 0px;
+    margin: 3px 0;
     border-image: url(:/qss_icons/rc/down_arrow_disabled.png);
     height: 10px;
     width: 10px;
@@ -427,15 +441,14 @@ QScrollBar::sub-page:vertical {
 QTextEdit {
     background-color: #232629;
     color: #eff0f1;
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
 }
 
 QPlainTextEdit {
     background-color: #232629;
-    ;
     color: #eff0f1;
     border-radius: 2px;
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
 }
 
 QHeaderView::section {
@@ -467,15 +480,6 @@ QMainWindow::separator:hover {
     spacing: 2px;
 }
 
-QMenu::separator {
-    height: 1px;
-    background-color: #76797C;
-    color: white;
-    padding-left: 4px;
-    margin-left: 10px;
-    margin-right: 5px;
-}
-
 QFrame {
     border-radius: 2px;
     border: 1px solid #76797C;
@@ -518,25 +522,19 @@ QToolButton#qt_toolbar_ext_button {
 
 QPushButton {
     color: #eff0f1;
-    background-color: #31363b;
     border-width: 1px;
-    border-color: #76797C;
+    border-color: #54575B;
     border-style: solid;
-    padding: 5px;
+    padding: 6px 4px;
     border-radius: 2px;
     outline: none;
+    min-width: 100px;
+    background-color: #232629;
 }
 
 QPushButton:disabled {
     background-color: #31363b;
-    border-width: 1px;
     border-color: #454545;
-    border-style: solid;
-    padding-top: 5px;
-    padding-bottom: 5px;
-    padding-left: 10px;
-    padding-right: 10px;
-    border-radius: 2px;
     color: #454545;
 }
 
@@ -553,11 +551,11 @@ QPushButton:pressed {
 
 QComboBox {
     selection-background-color: #3daee9;
-    border-style: solid;
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     border-radius: 2px;
-    padding: 5px;
+    padding: 4px 6px;
     min-width: 75px;
+    background-color: #232629;
 }
 
 QPushButton:checked {
@@ -571,8 +569,7 @@ QAbstractSpinBox:hover,
 QLineEdit:hover,
 QTextEdit:hover,
 QPlainTextEdit:hover,
-QAbstractView:hover,
-QTreeView:hover {
+QAbstractView:hover {
     border: 1px solid #3daee9;
     color: #eff0f1;
 }
@@ -591,6 +588,7 @@ QComboBox QAbstractItemView {
 QComboBox::drop-down {
     subcontrol-origin: padding;
     subcontrol-position: top right;
+    left: -6px;
     width: 15px;
     border-left-width: 0px;
     border-left-color: darkgray;
@@ -610,8 +608,8 @@ QComboBox::down-arrow:focus {
 }
 
 QAbstractSpinBox {
-    padding: 5px;
-    border: 1px solid #76797C;
+    padding: 4px 6px;
+    border: 1px solid #54575B;
     background-color: #232629;
     color: #eff0f1;
     border-radius: 2px;
@@ -622,12 +620,14 @@ QAbstractSpinBox:up-button {
     background-color: transparent;
     subcontrol-origin: border;
     subcontrol-position: center right;
+    left: -6px;
 }
 
 QAbstractSpinBox:down-button {
     background-color: transparent;
     subcontrol-origin: border;
     subcontrol-position: center left;
+    right: -6px;
 }
 
 QAbstractSpinBox::up-arrow,
@@ -654,22 +654,27 @@ QAbstractSpinBox::down-arrow:hover {
     image: url(:/qss_icons/rc/down_arrow.png);
 }
 
-QLabel {
-    border: 0px solid black;
+QLabel,
+QTabWidget {
+    border: 0;
 }
 
 QTabWidget {
-    border: 0px transparent black;
+    padding-top: 1px;
 }
 
 QTabWidget::pane {
     border: 1px solid #76797C;
     padding: 5px;
-    margin: 0px;
+    position: absolute;
+    top: -1px;
+    border-top-right-radius: 2px;
+    border-bottom-right-radius: 2px;
+    border-bottom-left-radius: 2px;
 }
 
 QTabWidget::tab-bar {
-    /* left: 5px; move to the right by 5px */
+    overflow: visible;
 }
 
 QTabBar {
@@ -677,10 +682,6 @@ QTabBar {
     border-radius: 3px;
 }
 
-QTabBar:focus {
-    border: 0px transparent black;
-}
-
 QTabBar::close-button {
     image: url(:/qss_icons/rc/close.png);
     background: transparent;
@@ -696,36 +697,33 @@ QTabBar::close-button:pressed {
     background: transparent;
 }
 
-
 /* TOP TABS */
-
 QTabBar::tab:top {
     color: #eff0f1;
-    border: 1px solid #76797C;
-    border-bottom: 2px transparent;
-    background-color: #31363b;
-    padding: 4px 16px 2px;
-    min-width: 38px;
+    border: 1px solid #54575B;
+    background-color: #2a2f33;
+    padding: 4px 16px 5px;
+    min-width: 36px;
     border-top-left-radius: 2px;
     border-top-right-radius: 2px;
 }
 
 QTabBar::tab:top:selected {
-    color: #eff0f1;
-    background-color: #54575B;
-    border: 1px solid #76797C;
-    border-bottom: 2px solid #3daee9;
-    border-top-left-radius: 2px;
-    border-top-right-radius: 2px;
+    border-color: #76797C;
+    background-color: #31363b;
+    border-bottom-color: #31363b;
+}
+
+QTabBar::tab:top:!selected {
+    margin-top: 1px;
+    border-bottom-color: #76797C;
 }
 
 QTabBar::tab:top:!selected:hover {
     background-color: #3daee9;
 }
 
-
 /* BOTTOM TABS */
-
 QTabBar::tab:bottom {
     color: #eff0f1;
     border: 1px solid #76797C;
@@ -750,9 +748,7 @@ QTabBar::tab:bottom:!selected:hover {
     background-color: #3daee9;
 }
 
-
 /* LEFT TABS */
-
 QTabBar::tab:left {
     color: #eff0f1;
     border: 1px solid #76797C;
@@ -777,9 +773,7 @@ QTabBar::tab:left:!selected:hover {
     background-color: #3daee9;
 }
 
-
 /* RIGHT TABS */
-
 QTabBar::tab:right {
     color: #eff0f1;
     border: 1px solid #76797C;
@@ -847,7 +841,7 @@ QDockWidget::float-button:pressed {
 
 QTreeView,
 QListView {
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     background-color: #232629;
 }
 
@@ -978,8 +972,8 @@ QSlider::handle:vertical {
 }
 
 QToolButton {
-    background-color: transparent;
-    border: 1px transparent #76797C;
+    background-color: #232629;
+    border: 1px solid #54575B;
     border-radius: 2px;
     margin: 3px;
     padding: 5px;
@@ -988,7 +982,6 @@ QToolButton {
 QToolButton[popupMode="1"] {
     /* only for MenuButtonPopup */
     padding-right: 20px;
-    /* make way for the popup button */
     border: 1px #76797C;
     border-radius: 5px;
 }
@@ -996,7 +989,6 @@ QToolButton[popupMode="1"] {
 QToolButton[popupMode="2"] {
     /* only for InstantPopup */
     padding-right: 10px;
-    /* make way for the popup button */
     border: 1px #76797C;
 }
 
@@ -1015,19 +1007,14 @@ QToolButton::menu-button:pressed {
     padding: 5px;
 }
 
-
 /* the subcontrol below is used only in the InstantPopup or DelayedPopup mode */
-
 QToolButton::menu-indicator {
     image: url(:/qss_icons/rc/down_arrow.png);
     top: -7px;
     left: -2px;
-    /* shift it a bit */
 }
 
-
 /* the subcontrols below are used only in the MenuButtonPopup mode */
-
 QToolButton::menu-button {
     border: 1px transparent #76797C;
     border-top-right-radius: 6px;
@@ -1052,14 +1039,22 @@ QPushButton::menu-indicator {
 }
 
 QTableView {
-    border: 1px solid #76797C;
+    border: 1px solid #54575B;
     gridline-color: #31363b;
     background-color: #232629;
 }
 
+QTreeView:disabled {
+    background-color: #1f2225;
+}
+
 QTableView,
 QHeaderView {
-    border-radius: 0px;
+    border-radius: 0;
+}
+
+QListView:focus {
+    border-color: #54575B;
 }
 
 QTableView::item:pressed,
@@ -1088,7 +1083,7 @@ QHeaderView::section {
     background-color: #232629;
     color: #eff0f1;
     padding: 0 5px;
-    border: 1px solid #403F3F;
+    border: 1px solid #434242;
     border-bottom: 0;
     border-radius: 0px;
     text-align: center;
@@ -1118,9 +1113,7 @@ QHeaderView::section:checked {
     background-color: #334e5e;
 }
 
-
-/* style the sort indicator */
-
+/* sort indicator */
 QHeaderView::down-arrow {
     image: url(:/qss_icons/rc/down_arrow.png);
 }
@@ -1150,14 +1143,13 @@ QToolBox::tab {
 }
 
 QToolBox::tab:selected {
-    /* italicize selected tabs */
     font: italic;
     background-color: #31363b;
     border-color: #3daee9;
 }
 
 QStatusBar::item {
-    border: 0px transparent dark;
+    border: 0;
 }
 
 QFrame[height="3"],
@@ -1194,7 +1186,6 @@ QProgressBar::chunk {
 
 QDateEdit {
     selection-background-color: #3daee9;
-    border-style: solid;
     border: 1px solid #3375A3;
     border-radius: 2px;
     padding: 1px;
@@ -1218,7 +1209,7 @@ QDateEdit::drop-down {
     subcontrol-origin: padding;
     subcontrol-position: top right;
     width: 15px;
-    border-left-width: 0px;
+    border-left-width: 0;
     border-left-color: darkgray;
     border-left-style: solid;
     border-top-right-radius: 3px;
@@ -1234,3 +1225,14 @@ QDateEdit::down-arrow:hover,
 QDateEdit::down-arrow:focus {
     image: url(:/qss_icons/rc/down_arrow.png);
 }
+
+QComboBox:disabled,
+QPushButton:disabled,
+QAbstractSpinBox:disabled,
+QDateEdit:disabled,
+QLineEdit:disabled,
+QTextEdit:disabled,
+QToolButton:disabled,
+QPlainTextEdit:disabled {
+    background-color: #2b2e31;
+}

src/core/CMakeLists.txt

@@ -15,14 +15,14 @@ add_library(core STATIC
     constants.h
     core.cpp
     core.h
-    core_cpu.cpp
-    core_cpu.h
+    core_manager.cpp
+    core_manager.h
     core_timing.cpp
     core_timing.h
     core_timing_util.cpp
     core_timing_util.h
-    cpu_core_manager.cpp
-    cpu_core_manager.h
+    cpu_manager.cpp
+    cpu_manager.h
     crypto/aes_util.cpp
     crypto/aes_util.h
     crypto/encryption_layer.cpp
@@ -158,6 +158,8 @@ add_library(core STATIC
     hle/kernel/mutex.h
     hle/kernel/object.cpp
     hle/kernel/object.h
+    hle/kernel/physical_core.cpp
+    hle/kernel/physical_core.h
     hle/kernel/process.cpp
     hle/kernel/process.h
     hle/kernel/process_capability.cpp

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -10,11 +10,12 @@
 #include "common/microprofile.h"
 #include "core/arm/dynarmic/arm_dynarmic.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
+#include "core/core_manager.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/svc.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/memory.h"
@@ -87,7 +88,7 @@ public:
             if (GDBStub::IsServerEnabled()) {
                 parent.jit->HaltExecution();
                 parent.SetPC(pc);
-                Kernel::Thread* thread = Kernel::GetCurrentThread();
+                Kernel::Thread* const thread = parent.system.CurrentScheduler().GetCurrentThread();
                 parent.SaveContext(thread->GetContext());
                 GDBStub::Break();
                 GDBStub::SendTrap(thread, 5);

src/core/arm/exclusive_monitor.cpp

@@ -2,10 +2,24 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#ifdef ARCHITECTURE_x86_64
+#include "core/arm/dynarmic/arm_dynarmic.h"
+#endif
 #include "core/arm/exclusive_monitor.h"
+#include "core/memory.h"
 
 namespace Core {
 
 ExclusiveMonitor::~ExclusiveMonitor() = default;
 
+std::unique_ptr<Core::ExclusiveMonitor> MakeExclusiveMonitor(Memory::Memory& memory,
+                                                             std::size_t num_cores) {
+#ifdef ARCHITECTURE_x86_64
+    return std::make_unique<Core::DynarmicExclusiveMonitor>(memory, num_cores);
+#else
+    // TODO(merry): Passthrough exclusive monitor
+    return nullptr;
+#endif
+}
+
 } // namespace Core

src/core/arm/exclusive_monitor.h

@@ -4,8 +4,14 @@
 
 #pragma once
 
+#include <memory>
+
 #include "common/common_types.h"
 
+namespace Memory {
+class Memory;
+}
+
 namespace Core {
 
 class ExclusiveMonitor {
@@ -22,4 +28,7 @@ public:
     virtual bool ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) = 0;
 };
 
+std::unique_ptr<Core::ExclusiveMonitor> MakeExclusiveMonitor(Memory::Memory& memory,
+                                                             std::size_t num_cores);
+
 } // namespace Core

src/core/arm/unicorn/arm_unicorn.cpp

@@ -9,6 +9,7 @@
 #include "core/arm/unicorn/arm_unicorn.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/svc.h"
 
 namespace Core {
@@ -177,7 +178,7 @@ void ARM_Unicorn::ExecuteInstructions(std::size_t num_instructions) {
             uc_reg_write(uc, UC_ARM64_REG_PC, &last_bkpt.address);
         }
 
-        Kernel::Thread* thread = Kernel::GetCurrentThread();
+        Kernel::Thread* const thread = system.CurrentScheduler().GetCurrentThread();
         SaveContext(thread->GetContext());
         if (last_bkpt_hit || GDBStub::IsMemoryBreak() || GDBStub::GetCpuStepFlag()) {
             last_bkpt_hit = false;

src/core/core.cpp

@@ -11,9 +11,9 @@
 #include "common/string_util.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
+#include "core/core_manager.h"
 #include "core/core_timing.h"
-#include "core/cpu_core_manager.h"
+#include "core/cpu_manager.h"
 #include "core/file_sys/bis_factory.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/mode.h"
@@ -28,6 +28,7 @@
 #include "core/hardware_interrupt_manager.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
@@ -113,16 +114,25 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 struct System::Impl {
     explicit Impl(System& system)
         : kernel{system}, fs_controller{system}, memory{system},
-          cpu_core_manager{system}, reporter{system}, applet_manager{system} {}
+          cpu_manager{system}, reporter{system}, applet_manager{system} {}
 
-    Cpu& CurrentCpuCore() {
-        return cpu_core_manager.GetCurrentCore();
+    CoreManager& CurrentCoreManager() {
+        return cpu_manager.GetCurrentCoreManager();
+    }
+
+    Kernel::PhysicalCore& CurrentPhysicalCore() {
+        const auto index = cpu_manager.GetActiveCoreIndex();
+        return kernel.PhysicalCore(index);
+    }
+
+    Kernel::PhysicalCore& GetPhysicalCore(std::size_t index) {
+        return kernel.PhysicalCore(index);
     }
 
     ResultStatus RunLoop(bool tight_loop) {
         status = ResultStatus::Success;
 
-        cpu_core_manager.RunLoop(tight_loop);
+        cpu_manager.RunLoop(tight_loop);
 
         return status;
     }
@@ -131,8 +141,8 @@ struct System::Impl {
         LOG_DEBUG(HW_Memory, "initialized OK");
 
         core_timing.Initialize();
-        cpu_core_manager.Initialize();
         kernel.Initialize();
+        cpu_manager.Initialize();
 
         const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
             std::chrono::system_clock::now().time_since_epoch());
@@ -205,7 +215,6 @@ struct System::Impl {
         // Main process has been loaded and been made current.
         // Begin GPU and CPU execution.
         gpu_core->Start();
-        cpu_core_manager.StartThreads();
 
         // Initialize cheat engine
         if (cheat_engine) {
@@ -272,7 +281,7 @@ struct System::Impl {
         gpu_core.reset();
 
         // Close all CPU/threading state
-        cpu_core_manager.Shutdown();
+        cpu_manager.Shutdown();
 
         // Shutdown kernel and core timing
         kernel.Shutdown();
@@ -342,7 +351,7 @@ struct System::Impl {
     std::unique_ptr<Tegra::GPU> gpu_core;
     std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
     Memory::Memory memory;
-    CpuCoreManager cpu_core_manager;
+    CpuManager cpu_manager;
     bool is_powered_on = false;
     bool exit_lock = false;
 
@@ -377,12 +386,12 @@ struct System::Impl {
 System::System() : impl{std::make_unique<Impl>(*this)} {}
 System::~System() = default;
 
-Cpu& System::CurrentCpuCore() {
-    return impl->CurrentCpuCore();
+CoreManager& System::CurrentCoreManager() {
+    return impl->CurrentCoreManager();
 }
 
-const Cpu& System::CurrentCpuCore() const {
-    return impl->CurrentCpuCore();
+const CoreManager& System::CurrentCoreManager() const {
+    return impl->CurrentCoreManager();
 }
 
 System::ResultStatus System::RunLoop(bool tight_loop) {
@@ -394,7 +403,7 @@ System::ResultStatus System::SingleStep() {
 }
 
 void System::InvalidateCpuInstructionCaches() {
-    impl->cpu_core_manager.InvalidateAllInstructionCaches();
+    impl->kernel.InvalidateAllInstructionCaches();
 }
 
 System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
@@ -406,13 +415,11 @@ bool System::IsPoweredOn() const {
 }
 
 void System::PrepareReschedule() {
-    CurrentCpuCore().PrepareReschedule();
+    impl->CurrentPhysicalCore().Stop();
 }
 
 void System::PrepareReschedule(const u32 core_index) {
-    if (core_index < GlobalScheduler().CpuCoresCount()) {
-        CpuCore(core_index).PrepareReschedule();
-    }
+    impl->kernel.PrepareReschedule(core_index);
 }
 
 PerfStatsResults System::GetAndResetPerfStats() {
@@ -428,31 +435,31 @@ const TelemetrySession& System::TelemetrySession() const {
 }
 
 ARM_Interface& System::CurrentArmInterface() {
-    return CurrentCpuCore().ArmInterface();
+    return impl->CurrentPhysicalCore().ArmInterface();
 }
 
 const ARM_Interface& System::CurrentArmInterface() const {
-    return CurrentCpuCore().ArmInterface();
+    return impl->CurrentPhysicalCore().ArmInterface();
 }
 
 std::size_t System::CurrentCoreIndex() const {
-    return CurrentCpuCore().CoreIndex();
+    return impl->cpu_manager.GetActiveCoreIndex();
 }
 
 Kernel::Scheduler& System::CurrentScheduler() {
-    return CurrentCpuCore().Scheduler();
+    return impl->CurrentPhysicalCore().Scheduler();
 }
 
 const Kernel::Scheduler& System::CurrentScheduler() const {
-    return CurrentCpuCore().Scheduler();
+    return impl->CurrentPhysicalCore().Scheduler();
 }
 
 Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
-    return CpuCore(core_index).Scheduler();
+    return impl->GetPhysicalCore(core_index).Scheduler();
 }
 
 const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
-    return CpuCore(core_index).Scheduler();
+    return impl->GetPhysicalCore(core_index).Scheduler();
 }
 
 /// Gets the global scheduler
@@ -474,28 +481,28 @@ const Kernel::Process* System::CurrentProcess() const {
 }
 
 ARM_Interface& System::ArmInterface(std::size_t core_index) {
-    return CpuCore(core_index).ArmInterface();
+    return impl->GetPhysicalCore(core_index).ArmInterface();
 }
 
 const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
-    return CpuCore(core_index).ArmInterface();
+    return impl->GetPhysicalCore(core_index).ArmInterface();
 }
 
-Cpu& System::CpuCore(std::size_t core_index) {
-    return impl->cpu_core_manager.GetCore(core_index);
+CoreManager& System::GetCoreManager(std::size_t core_index) {
+    return impl->cpu_manager.GetCoreManager(core_index);
 }
 
-const Cpu& System::CpuCore(std::size_t core_index) const {
+const CoreManager& System::GetCoreManager(std::size_t core_index) const {
     ASSERT(core_index < NUM_CPU_CORES);
-    return impl->cpu_core_manager.GetCore(core_index);
+    return impl->cpu_manager.GetCoreManager(core_index);
 }
 
 ExclusiveMonitor& System::Monitor() {
-    return impl->cpu_core_manager.GetExclusiveMonitor();
+    return impl->kernel.GetExclusiveMonitor();
 }
 
 const ExclusiveMonitor& System::Monitor() const {
-    return impl->cpu_core_manager.GetExclusiveMonitor();
+    return impl->kernel.GetExclusiveMonitor();
 }
 
 Memory::Memory& System::Memory() {

src/core/core.h

@@ -93,7 +93,7 @@ class Memory;
 namespace Core {
 
 class ARM_Interface;
-class Cpu;
+class CoreManager;
 class ExclusiveMonitor;
 class FrameLimiter;
 class PerfStats;
@@ -218,10 +218,10 @@ public:
     const ARM_Interface& ArmInterface(std::size_t core_index) const;
 
     /// Gets a CPU interface to the CPU core with the specified index
-    Cpu& CpuCore(std::size_t core_index);
+    CoreManager& GetCoreManager(std::size_t core_index);
 
     /// Gets a CPU interface to the CPU core with the specified index
-    const Cpu& CpuCore(std::size_t core_index) const;
+    const CoreManager& GetCoreManager(std::size_t core_index) const;
 
     /// Gets a reference to the exclusive monitor
     ExclusiveMonitor& Monitor();
@@ -364,10 +364,10 @@ private:
     System();
 
     /// Returns the currently running CPU core
-    Cpu& CurrentCpuCore();
+    CoreManager& CurrentCoreManager();
 
     /// Returns the currently running CPU core
-    const Cpu& CurrentCpuCore() const;
+    const CoreManager& CurrentCoreManager() const;
 
     /**
      * Initialize the emulated system.

src/core/core_cpu.cpp

@@ -1,127 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <condition_variable>
-#include <mutex>
-
-#include "common/logging/log.h"
-#ifdef ARCHITECTURE_x86_64
-#include "core/arm/dynarmic/arm_dynarmic.h"
-#endif
-#include "core/arm/exclusive_monitor.h"
-#include "core/arm/unicorn/arm_unicorn.h"
-#include "core/core.h"
-#include "core/core_cpu.h"
-#include "core/core_timing.h"
-#include "core/hle/kernel/scheduler.h"
-#include "core/hle/kernel/thread.h"
-#include "core/hle/lock.h"
-#include "core/settings.h"
-
-namespace Core {
-
-void CpuBarrier::NotifyEnd() {
-    std::unique_lock lock{mutex};
-    end = true;
-    condition.notify_all();
-}
-
-bool CpuBarrier::Rendezvous() {
-    if (!Settings::values.use_multi_core) {
-        // Meaningless when running in single-core mode
-        return true;
-    }
-
-    if (!end) {
-        std::unique_lock lock{mutex};
-
-        --cores_waiting;
-        if (!cores_waiting) {
-            cores_waiting = NUM_CPU_CORES;
-            condition.notify_all();
-            return true;
-        }
-
-        condition.wait(lock);
-        return true;
-    }
-
-    return false;
-}
-
-Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier,
-         std::size_t core_index)
-    : cpu_barrier{cpu_barrier}, global_scheduler{system.GlobalScheduler()},
-      core_timing{system.CoreTiming()}, core_index{core_index} {
-#ifdef ARCHITECTURE_x86_64
-    arm_interface = std::make_unique<ARM_Dynarmic>(system, exclusive_monitor, core_index);
-#else
-    arm_interface = std::make_unique<ARM_Unicorn>(system);
-    LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
-#endif
-
-    scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface, core_index);
-}
-
-Cpu::~Cpu() = default;
-
-std::unique_ptr<ExclusiveMonitor> Cpu::MakeExclusiveMonitor(
-    [[maybe_unused]] Memory::Memory& memory, [[maybe_unused]] std::size_t num_cores) {
-#ifdef ARCHITECTURE_x86_64
-    return std::make_unique<DynarmicExclusiveMonitor>(memory, num_cores);
-#else
-    // TODO(merry): Passthrough exclusive monitor
-    return nullptr;
-#endif
-}
-
-void Cpu::RunLoop(bool tight_loop) {
-    // Wait for all other CPU cores to complete the previous slice, such that they run in lock-step
-    if (!cpu_barrier.Rendezvous()) {
-        // If rendezvous failed, session has been killed
-        return;
-    }
-
-    Reschedule();
-
-    // If we don't have a currently active thread then don't execute instructions,
-    // instead advance to the next event and try to yield to the next thread
-    if (Kernel::GetCurrentThread() == nullptr) {
-        LOG_TRACE(Core, "Core-{} idling", core_index);
-        core_timing.Idle();
-    } else {
-        if (tight_loop) {
-            arm_interface->Run();
-        } else {
-            arm_interface->Step();
-        }
-        // We are stopping a run, exclusive state must be cleared
-        arm_interface->ClearExclusiveState();
-    }
-    core_timing.Advance();
-
-    Reschedule();
-}
-
-void Cpu::SingleStep() {
-    return RunLoop(false);
-}
-
-void Cpu::PrepareReschedule() {
-    arm_interface->PrepareReschedule();
-}
-
-void Cpu::Reschedule() {
-    // Lock the global kernel mutex when we manipulate the HLE state
-    std::lock_guard lock(HLE::g_hle_lock);
-
-    global_scheduler.SelectThread(core_index);
-    scheduler->TryDoContextSwitch();
-}
-
-void Cpu::Shutdown() {
-    scheduler->Shutdown();
-}
-
-} // namespace Core

src/core/core_cpu.h

@@ -1,120 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <atomic>
-#include <condition_variable>
-#include <cstddef>
-#include <memory>
-#include <mutex>
-#include "common/common_types.h"
-
-namespace Kernel {
-class GlobalScheduler;
-class Scheduler;
-} // namespace Kernel
-
-namespace Core {
-class System;
-}
-
-namespace Core::Timing {
-class CoreTiming;
-}
-
-namespace Memory {
-class Memory;
-}
-
-namespace Core {
-
-class ARM_Interface;
-class ExclusiveMonitor;
-
-constexpr unsigned NUM_CPU_CORES{4};
-
-class CpuBarrier {
-public:
-    bool IsAlive() const {
-        return !end;
-    }
-
-    void NotifyEnd();
-
-    bool Rendezvous();
-
-private:
-    unsigned cores_waiting{NUM_CPU_CORES};
-    std::mutex mutex;
-    std::condition_variable condition;
-    std::atomic<bool> end{};
-};
-
-class Cpu {
-public:
-    Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier,
-        std::size_t core_index);
-    ~Cpu();
-
-    void RunLoop(bool tight_loop = true);
-
-    void SingleStep();
-
-    void PrepareReschedule();
-
-    ARM_Interface& ArmInterface() {
-        return *arm_interface;
-    }
-
-    const ARM_Interface& ArmInterface() const {
-        return *arm_interface;
-    }
-
-    Kernel::Scheduler& Scheduler() {
-        return *scheduler;
-    }
-
-    const Kernel::Scheduler& Scheduler() const {
-        return *scheduler;
-    }
-
-    bool IsMainCore() const {
-        return core_index == 0;
-    }
-
-    std::size_t CoreIndex() const {
-        return core_index;
-    }
-
-    void Shutdown();
-
-    /**
-     * Creates an exclusive monitor to handle exclusive reads/writes.
-     *
-     * @param memory The current memory subsystem that the monitor may wish
-     *               to keep track of.
-     *
-     * @param num_cores The number of cores to assume about the CPU.
-     *
-     * @returns The constructed exclusive monitor instance, or nullptr if the current
-     *          CPU backend is unable to use an exclusive monitor.
-     */
-    static std::unique_ptr<ExclusiveMonitor> MakeExclusiveMonitor(Memory::Memory& memory,
-                                                                  std::size_t num_cores);
-
-private:
-    void Reschedule();
-
-    std::unique_ptr<ARM_Interface> arm_interface;
-    CpuBarrier& cpu_barrier;
-    Kernel::GlobalScheduler& global_scheduler;
-    std::unique_ptr<Kernel::Scheduler> scheduler;
-    Timing::CoreTiming& core_timing;
-
-    std::atomic<bool> reschedule_pending = false;
-    std::size_t core_index;
-};
-
-} // namespace Core

src/core/core_manager.cpp

@@ -0,0 +1,70 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <condition_variable>
+#include <mutex>
+
+#include "common/logging/log.h"
+#ifdef ARCHITECTURE_x86_64
+#include "core/arm/dynarmic/arm_dynarmic.h"
+#endif
+#include "core/arm/exclusive_monitor.h"
+#include "core/arm/unicorn/arm_unicorn.h"
+#include "core/core.h"
+#include "core/core_manager.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/physical_core.h"
+#include "core/hle/kernel/scheduler.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/lock.h"
+#include "core/settings.h"
+
+namespace Core {
+
+CoreManager::CoreManager(System& system, std::size_t core_index)
+    : global_scheduler{system.GlobalScheduler()}, physical_core{system.Kernel().PhysicalCore(
+                                                      core_index)},
+      core_timing{system.CoreTiming()}, core_index{core_index} {}
+
+CoreManager::~CoreManager() = default;
+
+void CoreManager::RunLoop(bool tight_loop) {
+    Reschedule();
+
+    // If we don't have a currently active thread then don't execute instructions,
+    // instead advance to the next event and try to yield to the next thread
+    if (Kernel::GetCurrentThread() == nullptr) {
+        LOG_TRACE(Core, "Core-{} idling", core_index);
+        core_timing.Idle();
+    } else {
+        if (tight_loop) {
+            physical_core.Run();
+        } else {
+            physical_core.Step();
+        }
+    }
+    core_timing.Advance();
+
+    Reschedule();
+}
+
+void CoreManager::SingleStep() {
+    return RunLoop(false);
+}
+
+void CoreManager::PrepareReschedule() {
+    physical_core.Stop();
+}
+
+void CoreManager::Reschedule() {
+    // Lock the global kernel mutex when we manipulate the HLE state
+    std::lock_guard lock(HLE::g_hle_lock);
+
+    global_scheduler.SelectThread(core_index);
+
+    physical_core.Scheduler().TryDoContextSwitch();
+}
+
+} // namespace Core

src/core/core_manager.h

@@ -0,0 +1,63 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <cstddef>
+#include <memory>
+#include "common/common_types.h"
+
+namespace Kernel {
+class GlobalScheduler;
+class PhysicalCore;
+} // namespace Kernel
+
+namespace Core {
+class System;
+}
+
+namespace Core::Timing {
+class CoreTiming;
+}
+
+namespace Memory {
+class Memory;
+}
+
+namespace Core {
+
+constexpr unsigned NUM_CPU_CORES{4};
+
+class CoreManager {
+public:
+    CoreManager(System& system, std::size_t core_index);
+    ~CoreManager();
+
+    void RunLoop(bool tight_loop = true);
+
+    void SingleStep();
+
+    void PrepareReschedule();
+
+    bool IsMainCore() const {
+        return core_index == 0;
+    }
+
+    std::size_t CoreIndex() const {
+        return core_index;
+    }
+
+private:
+    void Reschedule();
+
+    Kernel::GlobalScheduler& global_scheduler;
+    Kernel::PhysicalCore& physical_core;
+    Timing::CoreTiming& core_timing;
+
+    std::atomic<bool> reschedule_pending = false;
+    std::size_t core_index;
+};
+
+} // namespace Core

src/core/cpu_core_manager.cpp

@@ -1,152 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/assert.h"
-#include "core/arm/exclusive_monitor.h"
-#include "core/core.h"
-#include "core/core_cpu.h"
-#include "core/core_timing.h"
-#include "core/cpu_core_manager.h"
-#include "core/gdbstub/gdbstub.h"
-#include "core/settings.h"
-
-namespace Core {
-namespace {
-void RunCpuCore(const System& system, Cpu& cpu_state) {
-    while (system.IsPoweredOn()) {
-        cpu_state.RunLoop(true);
-    }
-}
-} // Anonymous namespace
-
-CpuCoreManager::CpuCoreManager(System& system) : system{system} {}
-CpuCoreManager::~CpuCoreManager() = default;
-
-void CpuCoreManager::Initialize() {
-    barrier = std::make_unique<CpuBarrier>();
-    exclusive_monitor = Cpu::MakeExclusiveMonitor(system.Memory(), cores.size());
-
-    for (std::size_t index = 0; index < cores.size(); ++index) {
-        cores[index] = std::make_unique<Cpu>(system, *exclusive_monitor, *barrier, index);
-    }
-}
-
-void CpuCoreManager::StartThreads() {
-    // Create threads for CPU cores 1-3, and build thread_to_cpu map
-    // CPU core 0 is run on the main thread
-    thread_to_cpu[std::this_thread::get_id()] = cores[0].get();
-    if (!Settings::values.use_multi_core) {
-        return;
-    }
-
-    for (std::size_t index = 0; index < core_threads.size(); ++index) {
-        core_threads[index] = std::make_unique<std::thread>(RunCpuCore, std::cref(system),
-                                                            std::ref(*cores[index + 1]));
-        thread_to_cpu[core_threads[index]->get_id()] = cores[index + 1].get();
-    }
-}
-
-void CpuCoreManager::Shutdown() {
-    barrier->NotifyEnd();
-    if (Settings::values.use_multi_core) {
-        for (auto& thread : core_threads) {
-            thread->join();
-            thread.reset();
-        }
-    }
-
-    thread_to_cpu.clear();
-    for (auto& cpu_core : cores) {
-        cpu_core->Shutdown();
-        cpu_core.reset();
-    }
-
-    exclusive_monitor.reset();
-    barrier.reset();
-}
-
-Cpu& CpuCoreManager::GetCore(std::size_t index) {
-    return *cores.at(index);
-}
-
-const Cpu& CpuCoreManager::GetCore(std::size_t index) const {
-    return *cores.at(index);
-}
-
-ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() {
-    return *exclusive_monitor;
-}
-
-const ExclusiveMonitor& CpuCoreManager::GetExclusiveMonitor() const {
-    return *exclusive_monitor;
-}
-
-Cpu& CpuCoreManager::GetCurrentCore() {
-    if (Settings::values.use_multi_core) {
-        const auto& search = thread_to_cpu.find(std::this_thread::get_id());
-        ASSERT(search != thread_to_cpu.end());
-        ASSERT(search->second);
-        return *search->second;
-    }
-
-    // Otherwise, use single-threaded mode active_core variable
-    return *cores[active_core];
-}
-
-const Cpu& CpuCoreManager::GetCurrentCore() const {
-    if (Settings::values.use_multi_core) {
-        const auto& search = thread_to_cpu.find(std::this_thread::get_id());
-        ASSERT(search != thread_to_cpu.end());
-        ASSERT(search->second);
-        return *search->second;
-    }
-
-    // Otherwise, use single-threaded mode active_core variable
-    return *cores[active_core];
-}
-
-void CpuCoreManager::RunLoop(bool tight_loop) {
-    // Update thread_to_cpu in case Core 0 is run from a different host thread
-    thread_to_cpu[std::this_thread::get_id()] = cores[0].get();
-
-    if (GDBStub::IsServerEnabled()) {
-        GDBStub::HandlePacket();
-
-        // If the loop is halted and we want to step, use a tiny (1) number of instructions to
-        // execute. Otherwise, get out of the loop function.
-        if (GDBStub::GetCpuHaltFlag()) {
-            if (GDBStub::GetCpuStepFlag()) {
-                tight_loop = false;
-            } else {
-                return;
-            }
-        }
-    }
-
-    auto& core_timing = system.CoreTiming();
-    core_timing.ResetRun();
-    bool keep_running{};
-    do {
-        keep_running = false;
-        for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
-            core_timing.SwitchContext(active_core);
-            if (core_timing.CanCurrentContextRun()) {
-                cores[active_core]->RunLoop(tight_loop);
-            }
-            keep_running |= core_timing.CanCurrentContextRun();
-        }
-    } while (keep_running);
-
-    if (GDBStub::IsServerEnabled()) {
-        GDBStub::SetCpuStepFlag(false);
-    }
-}
-
-void CpuCoreManager::InvalidateAllInstructionCaches() {
-    for (auto& cpu : cores) {
-        cpu->ArmInterface().ClearInstructionCache();
-    }
-}
-
-} // namespace Core

src/core/cpu_core_manager.h

@@ -1,62 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <map>
-#include <memory>
-#include <thread>
-
-namespace Core {
-
-class Cpu;
-class CpuBarrier;
-class ExclusiveMonitor;
-class System;
-
-class CpuCoreManager {
-public:
-    explicit CpuCoreManager(System& system);
-    CpuCoreManager(const CpuCoreManager&) = delete;
-    CpuCoreManager(CpuCoreManager&&) = delete;
-
-    ~CpuCoreManager();
-
-    CpuCoreManager& operator=(const CpuCoreManager&) = delete;
-    CpuCoreManager& operator=(CpuCoreManager&&) = delete;
-
-    void Initialize();
-    void StartThreads();
-    void Shutdown();
-
-    Cpu& GetCore(std::size_t index);
-    const Cpu& GetCore(std::size_t index) const;
-
-    Cpu& GetCurrentCore();
-    const Cpu& GetCurrentCore() const;
-
-    ExclusiveMonitor& GetExclusiveMonitor();
-    const ExclusiveMonitor& GetExclusiveMonitor() const;
-
-    void RunLoop(bool tight_loop);
-
-    void InvalidateAllInstructionCaches();
-
-private:
-    static constexpr std::size_t NUM_CPU_CORES = 4;
-
-    std::unique_ptr<ExclusiveMonitor> exclusive_monitor;
-    std::unique_ptr<CpuBarrier> barrier;
-    std::array<std::unique_ptr<Cpu>, NUM_CPU_CORES> cores;
-    std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> core_threads;
-    std::size_t active_core{}; ///< Active core, only used in single thread mode
-
-    /// Map of guest threads to CPU cores
-    std::map<std::thread::id, Cpu*> thread_to_cpu;
-
-    System& system;
-};
-
-} // namespace Core

src/core/cpu_manager.cpp

@@ -0,0 +1,81 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/arm/exclusive_monitor.h"
+#include "core/core.h"
+#include "core/core_manager.h"
+#include "core/core_timing.h"
+#include "core/cpu_manager.h"
+#include "core/gdbstub/gdbstub.h"
+
+namespace Core {
+
+CpuManager::CpuManager(System& system) : system{system} {}
+CpuManager::~CpuManager() = default;
+
+void CpuManager::Initialize() {
+    for (std::size_t index = 0; index < core_managers.size(); ++index) {
+        core_managers[index] = std::make_unique<CoreManager>(system, index);
+    }
+}
+
+void CpuManager::Shutdown() {
+    for (auto& cpu_core : core_managers) {
+        cpu_core.reset();
+    }
+}
+
+CoreManager& CpuManager::GetCoreManager(std::size_t index) {
+    return *core_managers.at(index);
+}
+
+const CoreManager& CpuManager::GetCoreManager(std::size_t index) const {
+    return *core_managers.at(index);
+}
+
+CoreManager& CpuManager::GetCurrentCoreManager() {
+    // Otherwise, use single-threaded mode active_core variable
+    return *core_managers[active_core];
+}
+
+const CoreManager& CpuManager::GetCurrentCoreManager() const {
+    // Otherwise, use single-threaded mode active_core variable
+    return *core_managers[active_core];
+}
+
+void CpuManager::RunLoop(bool tight_loop) {
+    if (GDBStub::IsServerEnabled()) {
+        GDBStub::HandlePacket();
+
+        // If the loop is halted and we want to step, use a tiny (1) number of instructions to
+        // execute. Otherwise, get out of the loop function.
+        if (GDBStub::GetCpuHaltFlag()) {
+            if (GDBStub::GetCpuStepFlag()) {
+                tight_loop = false;
+            } else {
+                return;
+            }
+        }
+    }
+
+    auto& core_timing = system.CoreTiming();
+    core_timing.ResetRun();
+    bool keep_running{};
+    do {
+        keep_running = false;
+        for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
+            core_timing.SwitchContext(active_core);
+            if (core_timing.CanCurrentContextRun()) {
+                core_managers[active_core]->RunLoop(tight_loop);
+            }
+            keep_running |= core_timing.CanCurrentContextRun();
+        }
+    } while (keep_running);
+
+    if (GDBStub::IsServerEnabled()) {
+        GDBStub::SetCpuStepFlag(false);
+    }
+}
+
+} // namespace Core

src/core/cpu_manager.h

@@ -0,0 +1,50 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+
+namespace Core {
+
+class CoreManager;
+class System;
+
+class CpuManager {
+public:
+    explicit CpuManager(System& system);
+    CpuManager(const CpuManager&) = delete;
+    CpuManager(CpuManager&&) = delete;
+
+    ~CpuManager();
+
+    CpuManager& operator=(const CpuManager&) = delete;
+    CpuManager& operator=(CpuManager&&) = delete;
+
+    void Initialize();
+    void Shutdown();
+
+    CoreManager& GetCoreManager(std::size_t index);
+    const CoreManager& GetCoreManager(std::size_t index) const;
+
+    CoreManager& GetCurrentCoreManager();
+    const CoreManager& GetCurrentCoreManager() const;
+
+    std::size_t GetActiveCoreIndex() const {
+        return active_core;
+    }
+
+    void RunLoop(bool tight_loop);
+
+private:
+    static constexpr std::size_t NUM_CPU_CORES = 4;
+
+    std::array<std::unique_ptr<CoreManager>, NUM_CPU_CORES> core_managers;
+    std::size_t active_core{}; ///< Active core, only used in single thread mode
+
+    System& system;
+};
+
+} // namespace Core

src/core/frontend/input.h

@@ -15,6 +15,13 @@
 
 namespace Input {
 
+enum class AnalogDirection : u8 {
+    RIGHT,
+    LEFT,
+    UP,
+    DOWN,
+};
+
 /// An abstract class template for an input device (a button, an analog input, etc.).
 template <typename StatusType>
 class InputDevice {
@@ -23,6 +30,9 @@ public:
     virtual StatusType GetStatus() const {
         return {};
     }
+    virtual bool GetAnalogDirectionStatus(AnalogDirection direction) const {
+        return {};
+    }
 };
 
 /// An abstract class template for a factory that can create input devices.

src/core/gdbstub/gdbstub.cpp

@@ -35,7 +35,7 @@
 #include "common/swap.h"
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
+#include "core/core_manager.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"

src/core/hle/kernel/address_arbiter.cpp

@@ -8,7 +8,6 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/scheduler.h"

src/core/hle/kernel/kernel.cpp

@@ -3,13 +3,15 @@
 // Refer to the license.txt file included.
 
 #include <atomic>
+#include <functional>
 #include <memory>
 #include <mutex>
 #include <utility>
 
 #include "common/assert.h"
 #include "common/logging/log.h"
-
+#include "core/arm/arm_interface.h"
+#include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
@@ -17,6 +19,7 @@
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/scheduler.h"
@@ -98,6 +101,7 @@ struct KernelCore::Impl {
     void Initialize(KernelCore& kernel) {
         Shutdown();
 
+        InitializePhysicalCores();
         InitializeSystemResourceLimit(kernel);
         InitializeThreads();
         InitializePreemption();
@@ -121,6 +125,21 @@ struct KernelCore::Impl {
         global_scheduler.Shutdown();
 
         named_ports.clear();
+
+        for (auto& core : cores) {
+            core.Shutdown();
+        }
+        cores.clear();
+
+        exclusive_monitor.reset();
+    }
+
+    void InitializePhysicalCores() {
+        exclusive_monitor =
+            Core::MakeExclusiveMonitor(system.Memory(), global_scheduler.CpuCoresCount());
+        for (std::size_t i = 0; i < global_scheduler.CpuCoresCount(); i++) {
+            cores.emplace_back(system, i, *exclusive_monitor);
+        }
     }
 
     // Creates the default system resource limit
@@ -186,6 +205,9 @@ struct KernelCore::Impl {
     /// the ConnectToPort SVC.
     NamedPortTable named_ports;
 
+    std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
+    std::vector<Kernel::PhysicalCore> cores;
+
     // System context
     Core::System& system;
 };
@@ -240,6 +262,34 @@ const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const {
     return impl->global_scheduler;
 }
 
+Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) {
+    return impl->cores[id];
+}
+
+const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const {
+    return impl->cores[id];
+}
+
+Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() {
+    return *impl->exclusive_monitor;
+}
+
+const Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() const {
+    return *impl->exclusive_monitor;
+}
+
+void KernelCore::InvalidateAllInstructionCaches() {
+    for (std::size_t i = 0; i < impl->global_scheduler.CpuCoresCount(); i++) {
+        PhysicalCore(i).ArmInterface().ClearInstructionCache();
+    }
+}
+
+void KernelCore::PrepareReschedule(std::size_t id) {
+    if (id < impl->global_scheduler.CpuCoresCount()) {
+        impl->cores[id].Stop();
+    }
+}
+
 void KernelCore::AddNamedPort(std::string name, std::shared_ptr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }

src/core/hle/kernel/kernel.h

@@ -11,8 +11,9 @@
 #include "core/hle/kernel/object.h"
 
 namespace Core {
+class ExclusiveMonitor;
 class System;
-}
+} // namespace Core
 
 namespace Core::Timing {
 class CoreTiming;
@@ -25,6 +26,7 @@ class AddressArbiter;
 class ClientPort;
 class GlobalScheduler;
 class HandleTable;
+class PhysicalCore;
 class Process;
 class ResourceLimit;
 class Thread;
@@ -84,6 +86,21 @@ public:
     /// Gets the sole instance of the global scheduler
     const Kernel::GlobalScheduler& GlobalScheduler() const;
 
+    /// Gets the an instance of the respective physical CPU core.
+    Kernel::PhysicalCore& PhysicalCore(std::size_t id);
+
+    /// Gets the an instance of the respective physical CPU core.
+    const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const;
+
+    /// Stops execution of 'id' core, in order to reschedule a new thread.
+    void PrepareReschedule(std::size_t id);
+
+    Core::ExclusiveMonitor& GetExclusiveMonitor();
+
+    const Core::ExclusiveMonitor& GetExclusiveMonitor() const;
+
+    void InvalidateAllInstructionCaches();
+
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
 

src/core/hle/kernel/physical_core.cpp

@@ -0,0 +1,51 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/arm/arm_interface.h"
+#ifdef ARCHITECTURE_x86_64
+#include "core/arm/dynarmic/arm_dynarmic.h"
+#endif
+#include "core/arm/exclusive_monitor.h"
+#include "core/arm/unicorn/arm_unicorn.h"
+#include "core/core.h"
+#include "core/hle/kernel/physical_core.h"
+#include "core/hle/kernel/scheduler.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+PhysicalCore::PhysicalCore(Core::System& system, std::size_t id,
+                           Core::ExclusiveMonitor& exclusive_monitor)
+    : core_index{id} {
+#ifdef ARCHITECTURE_x86_64
+    arm_interface = std::make_unique<Core::ARM_Dynarmic>(system, exclusive_monitor, core_index);
+#else
+    arm_interface = std::make_shared<Core::ARM_Unicorn>(system);
+    LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
+#endif
+
+    scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface, core_index);
+}
+
+PhysicalCore::~PhysicalCore() = default;
+
+void PhysicalCore::Run() {
+    arm_interface->Run();
+    arm_interface->ClearExclusiveState();
+}
+
+void PhysicalCore::Step() {
+    arm_interface->Step();
+}
+
+void PhysicalCore::Stop() {
+    arm_interface->PrepareReschedule();
+}
+
+void PhysicalCore::Shutdown() {
+    scheduler->Shutdown();
+}
+
+} // namespace Kernel

src/core/hle/kernel/physical_core.h

@@ -0,0 +1,77 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+
+namespace Kernel {
+class Scheduler;
+} // namespace Kernel
+
+namespace Core {
+class ARM_Interface;
+class ExclusiveMonitor;
+class System;
+} // namespace Core
+
+namespace Kernel {
+
+class PhysicalCore {
+public:
+    PhysicalCore(Core::System& system, std::size_t id, Core::ExclusiveMonitor& exclusive_monitor);
+    ~PhysicalCore();
+
+    PhysicalCore(const PhysicalCore&) = delete;
+    PhysicalCore& operator=(const PhysicalCore&) = delete;
+
+    PhysicalCore(PhysicalCore&&) = default;
+    PhysicalCore& operator=(PhysicalCore&&) = default;
+
+    /// Execute current jit state
+    void Run();
+    /// Execute a single instruction in current jit.
+    void Step();
+    /// Stop JIT execution/exit
+    void Stop();
+
+    // Shutdown this physical core.
+    void Shutdown();
+
+    Core::ARM_Interface& ArmInterface() {
+        return *arm_interface;
+    }
+
+    const Core::ARM_Interface& ArmInterface() const {
+        return *arm_interface;
+    }
+
+    bool IsMainCore() const {
+        return core_index == 0;
+    }
+
+    bool IsSystemCore() const {
+        return core_index == 3;
+    }
+
+    std::size_t CoreIndex() const {
+        return core_index;
+    }
+
+    Kernel::Scheduler& Scheduler() {
+        return *scheduler;
+    }
+
+    const Kernel::Scheduler& Scheduler() const {
+        return *scheduler;
+    }
+
+private:
+    std::size_t core_index;
+    std::unique_ptr<Core::ARM_Interface> arm_interface;
+    std::unique_ptr<Kernel::Scheduler> scheduler;
+};
+
+} // namespace Kernel

src/core/hle/kernel/scheduler.cpp

@@ -14,7 +14,6 @@
 #include "common/logging/log.h"
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"

src/core/hle/kernel/svc.cpp

@@ -15,7 +15,7 @@
 #include "common/string_util.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
+#include "core/core_manager.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hle/kernel/address_arbiter.h"

src/core/hle/kernel/thread.cpp

@@ -13,7 +13,6 @@
 #include "common/thread_queue_list.h"
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hle/kernel/errors.h"
@@ -356,7 +355,7 @@ void Thread::SetActivity(ThreadActivity value) {
         // Set status if not waiting
         if (status == ThreadStatus::Ready || status == ThreadStatus::Running) {
             SetStatus(ThreadStatus::Paused);
-            Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
+            kernel.PrepareReschedule(processor_id);
         }
     } else if (status == ThreadStatus::Paused) {
         // Ready to reschedule

src/core/hle/kernel/wait_object.cpp

@@ -7,7 +7,6 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
@@ -96,7 +95,7 @@ void WaitObject::WakeupWaitingThread(std::shared_ptr<Thread> thread) {
     }
     if (resume) {
         thread->ResumeFromWait();
-        Core::System::GetInstance().PrepareReschedule(thread->GetProcessorID());
+        kernel.PrepareReschedule(thread->GetProcessorID());
     }
 }
 

src/core/hle/service/hid/controllers/npad.cpp

@@ -250,6 +250,10 @@ void Controller_NPad::RequestPadStateUpdate(u32 npad_id) {
     auto& rstick_entry = npad_pad_states[controller_idx].r_stick;
     const auto& button_state = buttons[controller_idx];
     const auto& analog_state = sticks[controller_idx];
+    const auto [stick_l_x_f, stick_l_y_f] =
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
+    const auto [stick_r_x_f, stick_r_y_f] =
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
 
     using namespace Settings::NativeButton;
     pad_state.a.Assign(button_state[A - BUTTON_HID_BEGIN]->GetStatus());
@@ -270,23 +274,32 @@ void Controller_NPad::RequestPadStateUpdate(u32 npad_id) {
     pad_state.d_right.Assign(button_state[DRight - BUTTON_HID_BEGIN]->GetStatus());
     pad_state.d_down.Assign(button_state[DDown - BUTTON_HID_BEGIN]->GetStatus());
 
-    pad_state.l_stick_left.Assign(button_state[LStick_Left - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.l_stick_up.Assign(button_state[LStick_Up - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.l_stick_right.Assign(button_state[LStick_Right - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.l_stick_down.Assign(button_state[LStick_Down - BUTTON_HID_BEGIN]->GetStatus());
+    pad_state.l_stick_right.Assign(
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
+            Input::AnalogDirection::RIGHT));
+    pad_state.l_stick_left.Assign(
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
+            Input::AnalogDirection::LEFT));
+    pad_state.l_stick_up.Assign(
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
+            Input::AnalogDirection::UP));
+    pad_state.l_stick_down.Assign(
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetAnalogDirectionStatus(
+            Input::AnalogDirection::DOWN));
 
-    pad_state.r_stick_left.Assign(button_state[RStick_Left - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.r_stick_up.Assign(button_state[RStick_Up - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.r_stick_right.Assign(button_state[RStick_Right - BUTTON_HID_BEGIN]->GetStatus());
-    pad_state.r_stick_down.Assign(button_state[RStick_Down - BUTTON_HID_BEGIN]->GetStatus());
+    pad_state.r_stick_up.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                                    ->GetAnalogDirectionStatus(Input::AnalogDirection::RIGHT));
+    pad_state.r_stick_left.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                                      ->GetAnalogDirectionStatus(Input::AnalogDirection::LEFT));
+    pad_state.r_stick_right.Assign(
+        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+            ->GetAnalogDirectionStatus(Input::AnalogDirection::UP));
+    pad_state.r_stick_down.Assign(analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]
+                                      ->GetAnalogDirectionStatus(Input::AnalogDirection::DOWN));
 
     pad_state.left_sl.Assign(button_state[SL - BUTTON_HID_BEGIN]->GetStatus());
     pad_state.left_sr.Assign(button_state[SR - BUTTON_HID_BEGIN]->GetStatus());
 
-    const auto [stick_l_x_f, stick_l_y_f] =
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
-    const auto [stick_r_x_f, stick_r_y_f] =
-        analog_state[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
     lstick_entry.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
     lstick_entry.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
     rstick_entry.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);

src/core/hle/service/sockets/bsd.cpp

@@ -42,6 +42,26 @@ void BSD::Socket(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0); // bsd errno
 }
 
+void BSD::Select(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
+void BSD::Bind(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
 void BSD::Connect(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service, "(STUBBED) called");
 
@@ -52,6 +72,26 @@ void BSD::Connect(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0); // bsd errno
 }
 
+void BSD::Listen(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
+void BSD::SetSockOpt(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0); // ret
+    rb.Push<u32>(0); // bsd errno
+}
+
 void BSD::SendTo(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service, "(STUBBED) called");
 
@@ -80,7 +120,7 @@ BSD::BSD(const char* name) : ServiceFramework(name) {
         {2, &BSD::Socket, "Socket"},
         {3, nullptr, "SocketExempt"},
         {4, nullptr, "Open"},
-        {5, nullptr, "Select"},
+        {5, &BSD::Select, "Select"},
         {6, nullptr, "Poll"},
         {7, nullptr, "Sysctl"},
         {8, nullptr, "Recv"},
@@ -88,15 +128,15 @@ BSD::BSD(const char* name) : ServiceFramework(name) {
         {10, nullptr, "Send"},
         {11, &BSD::SendTo, "SendTo"},
         {12, nullptr, "Accept"},
-        {13, nullptr, "Bind"},
+        {13, &BSD::Bind, "Bind"},
         {14, &BSD::Connect, "Connect"},
         {15, nullptr, "GetPeerName"},
         {16, nullptr, "GetSockName"},
         {17, nullptr, "GetSockOpt"},
-        {18, nullptr, "Listen"},
+        {18, &BSD::Listen, "Listen"},
         {19, nullptr, "Ioctl"},
         {20, nullptr, "Fcntl"},
-        {21, nullptr, "SetSockOpt"},
+        {21, &BSD::SetSockOpt, "SetSockOpt"},
         {22, nullptr, "Shutdown"},
         {23, nullptr, "ShutdownAllSockets"},
         {24, nullptr, "Write"},

src/core/hle/service/sockets/bsd.h

@@ -18,7 +18,11 @@ private:
     void RegisterClient(Kernel::HLERequestContext& ctx);
     void StartMonitoring(Kernel::HLERequestContext& ctx);
     void Socket(Kernel::HLERequestContext& ctx);
+    void Select(Kernel::HLERequestContext& ctx);
+    void Bind(Kernel::HLERequestContext& ctx);
     void Connect(Kernel::HLERequestContext& ctx);
+    void Listen(Kernel::HLERequestContext& ctx);
+    void SetSockOpt(Kernel::HLERequestContext& ctx);
     void SendTo(Kernel::HLERequestContext& ctx);
     void Close(Kernel::HLERequestContext& ctx);
 

src/input_common/sdl/sdl_impl.cpp

@@ -342,6 +342,22 @@ public:
         return std::make_tuple<float, float>(0.0f, 0.0f);
     }
 
+    bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
+        const auto [x, y] = GetStatus();
+        const float directional_deadzone = 0.4f;
+        switch (direction) {
+        case Input::AnalogDirection::RIGHT:
+            return x > directional_deadzone;
+        case Input::AnalogDirection::LEFT:
+            return x < -directional_deadzone;
+        case Input::AnalogDirection::UP:
+            return y > directional_deadzone;
+        case Input::AnalogDirection::DOWN:
+            return y < -directional_deadzone;
+        }
+        return false;
+    }
+
 private:
     std::shared_ptr<SDLJoystick> joystick;
     const int axis_x;

src/video_core/CMakeLists.txt

@@ -29,6 +29,8 @@ add_library(video_core STATIC
     gpu_synch.h
     gpu_thread.cpp
     gpu_thread.h
+    guest_driver.cpp
+    guest_driver.h
     macro_interpreter.cpp
     macro_interpreter.h
     memory_manager.cpp

src/video_core/engines/const_buffer_engine_interface.h

@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/engines/shader_type.h"
+#include "video_core/guest_driver.h"
 #include "video_core/textures/texture.h"
 
 namespace Tegra::Engines {
@@ -106,6 +107,9 @@ public:
     virtual SamplerDescriptor AccessBindlessSampler(ShaderType stage, u64 const_buffer,
                                                     u64 offset) const = 0;
     virtual u32 GetBoundBuffer() const = 0;
+
+    virtual VideoCore::GuestDriverProfile& AccessGuestDriverProfile() = 0;
+    virtual const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const = 0;
 };
 
 } // namespace Tegra::Engines

src/video_core/engines/kepler_compute.cpp

@@ -94,6 +94,14 @@ SamplerDescriptor KeplerCompute::AccessBindlessSampler(ShaderType stage, u64 con
     return result;
 }
 
+VideoCore::GuestDriverProfile& KeplerCompute::AccessGuestDriverProfile() {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
+const VideoCore::GuestDriverProfile& KeplerCompute::AccessGuestDriverProfile() const {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
 void KeplerCompute::ProcessLaunch() {
     const GPUVAddr launch_desc_loc = regs.launch_desc_loc.Address();
     memory_manager.ReadBlockUnsafe(launch_desc_loc, &launch_description,

src/video_core/engines/kepler_compute.h

@@ -218,6 +218,10 @@ public:
         return regs.tex_cb_index;
     }
 
+    VideoCore::GuestDriverProfile& AccessGuestDriverProfile() override;
+
+    const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const override;
+
 private:
     Core::System& system;
     VideoCore::RasterizerInterface& rasterizer;

src/video_core/engines/maxwell_3d.cpp

@@ -784,4 +784,12 @@ SamplerDescriptor Maxwell3D::AccessBindlessSampler(ShaderType stage, u64 const_b
     return result;
 }
 
+VideoCore::GuestDriverProfile& Maxwell3D::AccessGuestDriverProfile() {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
+const VideoCore::GuestDriverProfile& Maxwell3D::AccessGuestDriverProfile() const {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
 } // namespace Tegra::Engines

src/video_core/engines/maxwell_3d.h

@@ -1306,6 +1306,10 @@ public:
         return regs.tex_cb_index;
     }
 
+    VideoCore::GuestDriverProfile& AccessGuestDriverProfile() override;
+
+    const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const override;
+
     /// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
     /// we've seen used.
     using MacroMemory = std::array<u32, 0x40000>;

src/video_core/engines/shader_bytecode.h

@@ -227,6 +227,28 @@ enum class AtomicOp : u64 {
     Exch = 8,
 };
 
+enum class GlobalAtomicOp : u64 {
+    Add = 0,
+    Min = 1,
+    Max = 2,
+    Inc = 3,
+    Dec = 4,
+    And = 5,
+    Or = 6,
+    Xor = 7,
+    Exch = 8,
+    SafeAdd = 10,
+};
+
+enum class GlobalAtomicType : u64 {
+    U32 = 0,
+    S32 = 1,
+    U64 = 2,
+    F32_FTZ_RN = 3,
+    F16x2_FTZ_RN = 4,
+    S64 = 5,
+};
+
 enum class UniformType : u64 {
     UnsignedByte = 0,
     SignedByte = 1,
@@ -957,6 +979,12 @@ union Instruction {
         BitField<46, 2, u64> cache_mode;
     } stg;
 
+    union {
+        BitField<52, 4, GlobalAtomicOp> operation;
+        BitField<49, 3, GlobalAtomicType> type;
+        BitField<28, 20, s64> offset;
+    } atom;
+
     union {
         BitField<52, 4, AtomicOp> operation;
         BitField<28, 2, AtomicType> type;
@@ -1690,6 +1718,7 @@ public:
         ST_S,
         ST,    // Store in generic memory
         STG,   // Store in global memory
+        ATOM,  // Atomic operation on global memory
         ATOMS, // Atomic operation on shared memory
         AL2P,  // Transforms attribute memory into physical memory
         TEX,
@@ -1994,6 +2023,7 @@ private:
             INST("1110111101010---", Id::ST_L, Type::Memory, "ST_L"),
             INST("101-------------", Id::ST, Type::Memory, "ST"),
             INST("1110111011011---", Id::STG, Type::Memory, "STG"),
+            INST("11101101--------", Id::ATOM, Type::Memory, "ATOM"),
             INST("11101100--------", Id::ATOMS, Type::Memory, "ATOMS"),
             INST("1110111110100---", Id::AL2P, Type::Memory, "AL2P"),
             INST("110000----111---", Id::TEX, Type::Texture, "TEX"),

src/video_core/guest_driver.cpp

@@ -0,0 +1,36 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <limits>
+
+#include "video_core/guest_driver.h"
+
+namespace VideoCore {
+
+void GuestDriverProfile::DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets) {
+    if (texture_handler_size_deduced) {
+        return;
+    }
+    const std::size_t size = bound_offsets.size();
+    if (size < 2) {
+        return;
+    }
+    std::sort(bound_offsets.begin(), bound_offsets.end(), std::less{});
+    u32 min_val = std::numeric_limits<u32>::max();
+    for (std::size_t i = 1; i < size; ++i) {
+        if (bound_offsets[i] == bound_offsets[i - 1]) {
+            continue;
+        }
+        const u32 new_min = bound_offsets[i] - bound_offsets[i - 1];
+        min_val = std::min(min_val, new_min);
+    }
+    if (min_val > 2) {
+        return;
+    }
+    texture_handler_size_deduced = true;
+    texture_handler_size = min_texture_handler_size * min_val;
+}
+
+} // namespace VideoCore

src/video_core/guest_driver.h

@@ -0,0 +1,41 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace VideoCore {
+
+/**
+ * The GuestDriverProfile class is used to learn about the GPU drivers behavior and collect
+ * information necessary for impossible to avoid HLE methods like shader tracks as they are
+ * Entscheidungsproblems.
+ */
+class GuestDriverProfile {
+public:
+    void DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets);
+
+    u32 GetTextureHandlerSize() const {
+        return texture_handler_size;
+    }
+
+    bool TextureHandlerSizeKnown() const {
+        return texture_handler_size_deduced;
+    }
+
+private:
+    // Minimum size of texture handler any driver can use.
+    static constexpr u32 min_texture_handler_size = 4;
+    // This goes with Vulkan and OpenGL standards but Nvidia GPUs can easily
+    // use 4 bytes instead. Thus, certain drivers may squish the size.
+    static constexpr u32 default_texture_handler_size = 8;
+
+    u32 texture_handler_size = default_texture_handler_size;
+    bool texture_handler_size_deduced = false;
+};
+
+} // namespace VideoCore

src/video_core/rasterizer_interface.h

@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "video_core/engines/fermi_2d.h"
 #include "video_core/gpu.h"
+#include "video_core/guest_driver.h"
 
 namespace Tegra {
 class MemoryManager;
@@ -78,5 +79,18 @@ public:
     /// Initialize disk cached resources for the game being emulated
     virtual void LoadDiskResources(const std::atomic_bool& stop_loading = false,
                                    const DiskResourceLoadCallback& callback = {}) {}
+
+    /// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
+    GuestDriverProfile& AccessGuestDriverProfile() {
+        return guest_driver_profile;
+    }
+
+    /// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
+    const GuestDriverProfile& AccessGuestDriverProfile() const {
+        return guest_driver_profile;
+    }
+
+private:
+    GuestDriverProfile guest_driver_profile{};
 };
 } // namespace VideoCore

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -55,16 +55,20 @@ namespace {
 
 template <typename Engine, typename Entry>
 Tegra::Texture::FullTextureInfo GetTextureInfo(const Engine& engine, const Entry& entry,
-                                               Tegra::Engines::ShaderType shader_type) {
+                                               Tegra::Engines::ShaderType shader_type,
+                                               std::size_t index = 0) {
     if (entry.IsBindless()) {
         const Tegra::Texture::TextureHandle tex_handle =
             engine.AccessConstBuffer32(shader_type, entry.GetBuffer(), entry.GetOffset());
         return engine.GetTextureInfo(tex_handle);
     }
+    const auto& gpu_profile = engine.AccessGuestDriverProfile();
+    const u32 offset =
+        entry.GetOffset() + static_cast<u32>(index * gpu_profile.GetTextureHandlerSize());
     if constexpr (std::is_same_v<Engine, Tegra::Engines::Maxwell3D>) {
-        return engine.GetStageTexture(shader_type, entry.GetOffset());
+        return engine.GetStageTexture(shader_type, offset);
     } else {
-        return engine.GetTexture(entry.GetOffset());
+        return engine.GetTexture(offset);
     }
 }
 
@@ -942,8 +946,15 @@ void RasterizerOpenGL::SetupDrawTextures(std::size_t stage_index, const Shader&
     u32 binding = device.GetBaseBindings(stage_index).sampler;
     for (const auto& entry : shader->GetShaderEntries().samplers) {
         const auto shader_type = static_cast<Tegra::Engines::ShaderType>(stage_index);
-        const auto texture = GetTextureInfo(maxwell3d, entry, shader_type);
-        SetupTexture(binding++, texture, entry);
+        if (!entry.IsIndexed()) {
+            const auto texture = GetTextureInfo(maxwell3d, entry, shader_type);
+            SetupTexture(binding++, texture, entry);
+        } else {
+            for (std::size_t i = 0; i < entry.Size(); ++i) {
+                const auto texture = GetTextureInfo(maxwell3d, entry, shader_type, i);
+                SetupTexture(binding++, texture, entry);
+            }
+        }
     }
 }
 
@@ -952,8 +963,17 @@ void RasterizerOpenGL::SetupComputeTextures(const Shader& kernel) {
     const auto& compute = system.GPU().KeplerCompute();
     u32 binding = 0;
     for (const auto& entry : kernel->GetShaderEntries().samplers) {
-        const auto texture = GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute);
-        SetupTexture(binding++, texture, entry);
+        if (!entry.IsIndexed()) {
+            const auto texture =
+                GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute);
+            SetupTexture(binding++, texture, entry);
+        } else {
+            for (std::size_t i = 0; i < entry.Size(); ++i) {
+                const auto texture =
+                    GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute, i);
+                SetupTexture(binding++, texture, entry);
+            }
+        }
     }
 }
 

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -214,6 +214,7 @@ std::unique_ptr<ConstBufferLocker> MakeLocker(Core::System& system, ShaderType s
 }
 
 void FillLocker(ConstBufferLocker& locker, const ShaderDiskCacheUsage& usage) {
+    locker.SetBoundBuffer(usage.bound_buffer);
     for (const auto& key : usage.keys) {
         const auto [buffer, offset] = key.first;
         locker.InsertKey(buffer, offset, key.second);
@@ -418,7 +419,8 @@ bool CachedShader::EnsureValidLockerVariant() {
 
 ShaderDiskCacheUsage CachedShader::GetUsage(const ProgramVariant& variant,
                                             const ConstBufferLocker& locker) const {
-    return ShaderDiskCacheUsage{unique_identifier, variant, locker.GetKeys(),
+    return ShaderDiskCacheUsage{unique_identifier,         variant,
+                                locker.GetBoundBuffer(),   locker.GetKeys(),
                                 locker.GetBoundSamplers(), locker.GetBindlessSamplers()};
 }
 

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -391,6 +391,7 @@ public:
         DeclareVertex();
         DeclareGeometry();
         DeclareRegisters();
+        DeclareCustomVariables();
         DeclarePredicates();
         DeclareLocalMemory();
         DeclareInternalFlags();
@@ -503,6 +504,16 @@ private:
         }
     }
 
+    void DeclareCustomVariables() {
+        const u32 num_custom_variables = ir.GetNumCustomVariables();
+        for (u32 i = 0; i < num_custom_variables; ++i) {
+            code.AddLine("float {} = 0.0f;", GetCustomVariable(i));
+        }
+        if (num_custom_variables > 0) {
+            code.AddNewLine();
+        }
+    }
+
     void DeclarePredicates() {
         const auto& predicates = ir.GetPredicates();
         for (const auto pred : predicates) {
@@ -655,7 +666,8 @@ private:
         u32 binding = device.GetBaseBindings(stage).sampler;
         for (const auto& sampler : ir.GetSamplers()) {
             const std::string name = GetSampler(sampler);
-            const std::string description = fmt::format("layout (binding = {}) uniform", binding++);
+            const std::string description = fmt::format("layout (binding = {}) uniform", binding);
+            binding += sampler.IsIndexed() ? sampler.Size() : 1;
 
             std::string sampler_type = [&]() {
                 if (sampler.IsBuffer()) {
@@ -682,7 +694,11 @@ private:
                 sampler_type += "Shadow";
             }
 
-            code.AddLine("{} {} {};", description, sampler_type, name);
+            if (!sampler.IsIndexed()) {
+                code.AddLine("{} {} {};", description, sampler_type, name);
+            } else {
+                code.AddLine("{} {} {}[{}];", description, sampler_type, name, sampler.Size());
+            }
         }
         if (!ir.GetSamplers().empty()) {
             code.AddNewLine();
@@ -775,6 +791,11 @@ private:
             return {GetRegister(index), Type::Float};
         }
 
+        if (const auto cv = std::get_if<CustomVarNode>(&*node)) {
+            const u32 index = cv->GetIndex();
+            return {GetCustomVariable(index), Type::Float};
+        }
+
         if (const auto immediate = std::get_if<ImmediateNode>(&*node)) {
             const u32 value = immediate->GetValue();
             if (value < 10) {
@@ -1019,7 +1040,6 @@ private:
                 }
                 return {{"gl_ViewportIndex", Type::Int}};
             case 3:
-                UNIMPLEMENTED_MSG("Requires some state changes for gl_PointSize to work in shader");
                 return {{"gl_PointSize", Type::Float}};
             }
             return {};
@@ -1099,7 +1119,11 @@ private:
         } else if (!meta->ptp.empty()) {
             expr += "Offsets";
         }
-        expr += '(' + GetSampler(meta->sampler) + ", ";
+        if (!meta->sampler.IsIndexed()) {
+            expr += '(' + GetSampler(meta->sampler) + ", ";
+        } else {
+            expr += '(' + GetSampler(meta->sampler) + '[' + Visit(meta->index).AsUint() + "], ";
+        }
         expr += coord_constructors.at(count + (has_array ? 1 : 0) +
                                       (has_shadow && !separate_dc ? 1 : 0) - 1);
         expr += '(';
@@ -1311,6 +1335,8 @@ private:
             const std::string final_offset = fmt::format("({} - {}) >> 2", real, base);
             target = {fmt::format("{}[{}]", GetGlobalMemory(gmem->GetDescriptor()), final_offset),
                       Type::Uint};
+        } else if (const auto cv = std::get_if<CustomVarNode>(&*dest)) {
+            target = {GetCustomVariable(cv->GetIndex()), Type::Float};
         } else {
             UNREACHABLE_MSG("Assign called without a proper target");
         }
@@ -1858,10 +1884,7 @@ private:
 
     template <const std::string_view& opname, Type type>
     Expression Atomic(Operation operation) {
-        ASSERT(stage == ShaderType::Compute);
-        auto& smem = std::get<SmemNode>(*operation[0]);
-
-        return {fmt::format("atomic{}(smem[{} >> 2], {})", opname, Visit(smem.GetAddress()).AsInt(),
+        return {fmt::format("atomic{}({}, {})", opname, Visit(operation[0]).GetCode(),
                             Visit(operation[1]).As(type)),
                 type};
     }
@@ -2241,6 +2264,10 @@ private:
         return GetDeclarationWithSuffix(index, "gpr");
     }
 
+    std::string GetCustomVariable(u32 index) const {
+        return GetDeclarationWithSuffix(index, "custom_var");
+    }
+
     std::string GetPredicate(Tegra::Shader::Pred pred) const {
         return GetDeclarationWithSuffix(static_cast<u32>(pred), "pred");
     }

src/video_core/renderer_opengl/gl_shader_disk_cache.cpp

@@ -53,7 +53,7 @@ struct BindlessSamplerKey {
     Tegra::Engines::SamplerDescriptor sampler{};
 };
 
-constexpr u32 NativeVersion = 11;
+constexpr u32 NativeVersion = 12;
 
 // Making sure sizes doesn't change by accident
 static_assert(sizeof(ProgramVariant) == 20);
@@ -186,7 +186,8 @@ ShaderDiskCacheOpenGL::LoadTransferable() {
             u32 num_bound_samplers{};
             u32 num_bindless_samplers{};
             if (file.ReadArray(&usage.unique_identifier, 1) != 1 ||
-                file.ReadArray(&usage.variant, 1) != 1 || file.ReadArray(&num_keys, 1) != 1 ||
+                file.ReadArray(&usage.variant, 1) != 1 ||
+                file.ReadArray(&usage.bound_buffer, 1) != 1 || file.ReadArray(&num_keys, 1) != 1 ||
                 file.ReadArray(&num_bound_samplers, 1) != 1 ||
                 file.ReadArray(&num_bindless_samplers, 1) != 1) {
                 LOG_ERROR(Render_OpenGL, error_loading);
@@ -281,7 +282,9 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
         u32 num_bindless_samplers{};
         ShaderDiskCacheUsage usage;
         if (!LoadObjectFromPrecompiled(usage.unique_identifier) ||
-            !LoadObjectFromPrecompiled(usage.variant) || !LoadObjectFromPrecompiled(num_keys) ||
+            !LoadObjectFromPrecompiled(usage.variant) ||
+            !LoadObjectFromPrecompiled(usage.bound_buffer) ||
+            !LoadObjectFromPrecompiled(num_keys) ||
             !LoadObjectFromPrecompiled(num_bound_samplers) ||
             !LoadObjectFromPrecompiled(num_bindless_samplers)) {
             return {};
@@ -393,6 +396,7 @@ void ShaderDiskCacheOpenGL::SaveUsage(const ShaderDiskCacheUsage& usage) {
 
     if (file.WriteObject(TransferableEntryKind::Usage) != 1 ||
         file.WriteObject(usage.unique_identifier) != 1 || file.WriteObject(usage.variant) != 1 ||
+        file.WriteObject(usage.bound_buffer) != 1 ||
         file.WriteObject(static_cast<u32>(usage.keys.size())) != 1 ||
         file.WriteObject(static_cast<u32>(usage.bound_samplers.size())) != 1 ||
         file.WriteObject(static_cast<u32>(usage.bindless_samplers.size())) != 1) {
@@ -447,7 +451,7 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
     };
 
     if (!SaveObjectToPrecompiled(usage.unique_identifier) ||
-        !SaveObjectToPrecompiled(usage.variant) ||
+        !SaveObjectToPrecompiled(usage.variant) || !SaveObjectToPrecompiled(usage.bound_buffer) ||
         !SaveObjectToPrecompiled(static_cast<u32>(usage.keys.size())) ||
         !SaveObjectToPrecompiled(static_cast<u32>(usage.bound_samplers.size())) ||
         !SaveObjectToPrecompiled(static_cast<u32>(usage.bindless_samplers.size()))) {

src/video_core/renderer_opengl/gl_shader_disk_cache.h

@@ -79,6 +79,7 @@ static_assert(std::is_trivially_copyable_v<ProgramVariant>);
 struct ShaderDiskCacheUsage {
     u64 unique_identifier{};
     ProgramVariant variant;
+    u32 bound_buffer{};
     VideoCommon::Shader::KeyMap keys;
     VideoCommon::Shader::BoundSamplerMap bound_samplers;
     VideoCommon::Shader::BindlessSamplerMap bindless_samplers;

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -176,6 +176,19 @@ GLint GetSwizzleSource(SwizzleSource source) {
     return GL_NONE;
 }
 
+GLenum GetComponent(PixelFormat format, bool is_first) {
+    switch (format) {
+    case PixelFormat::Z24S8:
+    case PixelFormat::Z32FS8:
+        return is_first ? GL_DEPTH_COMPONENT : GL_STENCIL_INDEX;
+    case PixelFormat::S8Z24:
+        return is_first ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT;
+    default:
+        UNREACHABLE();
+        return GL_DEPTH_COMPONENT;
+    }
+}
+
 void ApplyTextureDefaults(const SurfaceParams& params, GLuint texture) {
     if (params.IsBuffer()) {
         return;
@@ -184,7 +197,7 @@ void ApplyTextureDefaults(const SurfaceParams& params, GLuint texture) {
     glTextureParameteri(texture, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTextureParameteri(texture, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTextureParameteri(texture, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTextureParameteri(texture, GL_TEXTURE_MAX_LEVEL, params.num_levels - 1);
+    glTextureParameteri(texture, GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(params.num_levels - 1));
     if (params.num_levels == 1) {
         glTextureParameterf(texture, GL_TEXTURE_LOD_BIAS, 1000.0f);
     }
@@ -416,11 +429,21 @@ void CachedSurfaceView::ApplySwizzle(SwizzleSource x_source, SwizzleSource y_sou
     if (new_swizzle == swizzle)
         return;
     swizzle = new_swizzle;
-    const std::array<GLint, 4> gl_swizzle = {GetSwizzleSource(x_source), GetSwizzleSource(y_source),
-                                             GetSwizzleSource(z_source),
-                                             GetSwizzleSource(w_source)};
+    const std::array gl_swizzle = {GetSwizzleSource(x_source), GetSwizzleSource(y_source),
+                                   GetSwizzleSource(z_source), GetSwizzleSource(w_source)};
     const GLuint handle = GetTexture();
-    glTextureParameteriv(handle, GL_TEXTURE_SWIZZLE_RGBA, gl_swizzle.data());
+    const PixelFormat format = surface.GetSurfaceParams().pixel_format;
+    switch (format) {
+    case PixelFormat::Z24S8:
+    case PixelFormat::Z32FS8:
+    case PixelFormat::S8Z24:
+        glTextureParameteri(handle, GL_DEPTH_STENCIL_TEXTURE_MODE,
+                            GetComponent(format, x_source == SwizzleSource::R));
+        break;
+    default:
+        glTextureParameteriv(handle, GL_TEXTURE_SWIZZLE_RGBA, gl_swizzle.data());
+        break;
+    }
 }
 
 OGLTextureView CachedSurfaceView::CreateTextureView() const {
@@ -529,8 +552,11 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
     const Common::Rectangle<u32>& dst_rect = copy_config.dst_rect;
     const bool is_linear = copy_config.filter == Tegra::Engines::Fermi2D::Filter::Linear;
 
-    glBlitFramebuffer(src_rect.left, src_rect.top, src_rect.right, src_rect.bottom, dst_rect.left,
-                      dst_rect.top, dst_rect.right, dst_rect.bottom, buffers,
+    glBlitFramebuffer(static_cast<GLint>(src_rect.left), static_cast<GLint>(src_rect.top),
+                      static_cast<GLint>(src_rect.right), static_cast<GLint>(src_rect.bottom),
+                      static_cast<GLint>(dst_rect.left), static_cast<GLint>(dst_rect.top),
+                      static_cast<GLint>(dst_rect.right), static_cast<GLint>(dst_rect.bottom),
+                      buffers,
                       is_linear && (buffers == GL_COLOR_BUFFER_BIT) ? GL_LINEAR : GL_NEAREST);
 }
 

src/video_core/renderer_vulkan/vk_shader_decompiler.cpp

@@ -353,6 +353,7 @@ private:
         DeclareFragment();
         DeclareCompute();
         DeclareRegisters();
+        DeclareCustomVariables();
         DeclarePredicates();
         DeclareLocalMemory();
         DeclareSharedMemory();
@@ -586,6 +587,15 @@ private:
         }
     }
 
+    void DeclareCustomVariables() {
+        const u32 num_custom_variables = ir.GetNumCustomVariables();
+        for (u32 i = 0; i < num_custom_variables; ++i) {
+            const Id id = OpVariable(t_prv_float, spv::StorageClass::Private, v_float_zero);
+            Name(id, fmt::format("custom_var_{}", i));
+            custom_variables.emplace(i, AddGlobalVariable(id));
+        }
+    }
+
     void DeclarePredicates() {
         for (const auto pred : ir.GetPredicates()) {
             const Id id = OpVariable(t_prv_bool, spv::StorageClass::Private, v_false);
@@ -982,6 +992,11 @@ private:
             return {OpLoad(t_float, registers.at(index)), Type::Float};
         }
 
+        if (const auto cv = std::get_if<CustomVarNode>(&*node)) {
+            const u32 index = cv->GetIndex();
+            return {OpLoad(t_float, custom_variables.at(index)), Type::Float};
+        }
+
         if (const auto immediate = std::get_if<ImmediateNode>(&*node)) {
             return {Constant(t_uint, immediate->GetValue()), Type::Uint};
         }
@@ -1123,15 +1138,7 @@ private:
         }
 
         if (const auto gmem = std::get_if<GmemNode>(&*node)) {
-            const Id gmem_buffer = global_buffers.at(gmem->GetDescriptor());
-            const Id real = AsUint(Visit(gmem->GetRealAddress()));
-            const Id base = AsUint(Visit(gmem->GetBaseAddress()));
-
-            Id offset = OpISub(t_uint, real, base);
-            offset = OpUDiv(t_uint, offset, Constant(t_uint, 4U));
-            return {OpLoad(t_float,
-                           OpAccessChain(t_gmem_float, gmem_buffer, Constant(t_uint, 0U), offset)),
-                    Type::Float};
+            return {OpLoad(t_uint, GetGlobalMemoryPointer(*gmem)), Type::Uint};
         }
 
         if (const auto lmem = std::get_if<LmemNode>(&*node)) {
@@ -1142,10 +1149,7 @@ private:
         }
 
         if (const auto smem = std::get_if<SmemNode>(&*node)) {
-            Id address = AsUint(Visit(smem->GetAddress()));
-            address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
-            const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address);
-            return {OpLoad(t_uint, pointer), Type::Uint};
+            return {OpLoad(t_uint, GetSharedMemoryPointer(*smem)), Type::Uint};
         }
 
         if (const auto internal_flag = std::get_if<InternalFlagNode>(&*node)) {
@@ -1339,20 +1343,13 @@ private:
             target = {OpAccessChain(t_prv_float, local_memory, address), Type::Float};
 
         } else if (const auto smem = std::get_if<SmemNode>(&*dest)) {
-            ASSERT(stage == ShaderType::Compute);
-            Id address = AsUint(Visit(smem->GetAddress()));
-            address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
-            target = {OpAccessChain(t_smem_uint, shared_memory, address), Type::Uint};
+            target = {GetSharedMemoryPointer(*smem), Type::Uint};
 
         } else if (const auto gmem = std::get_if<GmemNode>(&*dest)) {
-            const Id real = AsUint(Visit(gmem->GetRealAddress()));
-            const Id base = AsUint(Visit(gmem->GetBaseAddress()));
-            const Id diff = OpISub(t_uint, real, base);
-            const Id offset = OpShiftRightLogical(t_uint, diff, Constant(t_uint, 2));
+            target = {GetGlobalMemoryPointer(*gmem), Type::Uint};
 
-            const Id gmem_buffer = global_buffers.at(gmem->GetDescriptor());
-            target = {OpAccessChain(t_gmem_float, gmem_buffer, Constant(t_uint, 0), offset),
-                      Type::Float};
+        } else if (const auto cv = std::get_if<CustomVarNode>(&*dest)) {
+            target = {custom_variables.at(cv->GetIndex()), Type::Float};
 
         } else {
             UNIMPLEMENTED();
@@ -1804,11 +1801,16 @@ private:
         return {};
     }
 
-    Expression UAtomicAdd(Operation operation) {
-        const auto& smem = std::get<SmemNode>(*operation[0]);
-        Id address = AsUint(Visit(smem.GetAddress()));
-        address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
-        const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address);
+    Expression AtomicAdd(Operation operation) {
+        Id pointer;
+        if (const auto smem = std::get_if<SmemNode>(&*operation[0])) {
+            pointer = GetSharedMemoryPointer(*smem);
+        } else if (const auto gmem = std::get_if<GmemNode>(&*operation[0])) {
+            pointer = GetGlobalMemoryPointer(*gmem);
+        } else {
+            UNREACHABLE();
+            return {Constant(t_uint, 0), Type::Uint};
+        }
 
         const Id scope = Constant(t_uint, static_cast<u32>(spv::Scope::Device));
         const Id semantics = Constant(t_uint, 0U);
@@ -2243,6 +2245,22 @@ private:
         return {};
     }
 
+    Id GetGlobalMemoryPointer(const GmemNode& gmem) {
+        const Id real = AsUint(Visit(gmem.GetRealAddress()));
+        const Id base = AsUint(Visit(gmem.GetBaseAddress()));
+        const Id diff = OpISub(t_uint, real, base);
+        const Id offset = OpShiftRightLogical(t_uint, diff, Constant(t_uint, 2));
+        const Id buffer = global_buffers.at(gmem.GetDescriptor());
+        return OpAccessChain(t_gmem_uint, buffer, Constant(t_uint, 0), offset);
+    }
+
+    Id GetSharedMemoryPointer(const SmemNode& smem) {
+        ASSERT(stage == ShaderType::Compute);
+        Id address = AsUint(Visit(smem.GetAddress()));
+        address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
+        return OpAccessChain(t_smem_uint, shared_memory, address);
+    }
+
     static constexpr std::array operation_decompilers = {
         &SPIRVDecompiler::Assign,
 
@@ -2389,7 +2407,7 @@ private:
         &SPIRVDecompiler::AtomicImageXor,
         &SPIRVDecompiler::AtomicImageExchange,
 
-        &SPIRVDecompiler::UAtomicAdd,
+        &SPIRVDecompiler::AtomicAdd,
 
         &SPIRVDecompiler::Branch,
         &SPIRVDecompiler::BranchIndirect,
@@ -2485,9 +2503,9 @@ private:
 
     Id t_smem_uint{};
 
-    const Id t_gmem_float = TypePointer(spv::StorageClass::StorageBuffer, t_float);
+    const Id t_gmem_uint = TypePointer(spv::StorageClass::StorageBuffer, t_uint);
     const Id t_gmem_array =
-        Name(Decorate(TypeRuntimeArray(t_float), spv::Decoration::ArrayStride, 4U), "GmemArray");
+        Name(Decorate(TypeRuntimeArray(t_uint), spv::Decoration::ArrayStride, 4U), "GmemArray");
     const Id t_gmem_struct = MemberDecorate(
         Decorate(TypeStruct(t_gmem_array), spv::Decoration::Block), 0, spv::Decoration::Offset, 0);
     const Id t_gmem_ssbo = TypePointer(spv::StorageClass::StorageBuffer, t_gmem_struct);
@@ -2508,6 +2526,7 @@ private:
     Id out_vertex{};
     Id in_vertex{};
     std::map<u32, Id> registers;
+    std::map<u32, Id> custom_variables;
     std::map<Tegra::Shader::Pred, Id> predicates;
     std::map<u32, Id> flow_variables;
     Id local_memory{};

src/video_core/shader/ast.h

@@ -65,8 +65,8 @@ public:
     void DetachSegment(ASTNode start, ASTNode end);
     void Remove(ASTNode node);
 
-    ASTNode first{};
-    ASTNode last{};
+    ASTNode first;
+    ASTNode last;
 };
 
 class ASTProgram {
@@ -299,9 +299,9 @@ private:
     friend class ASTZipper;
 
     ASTData data;
-    ASTNode parent{};
-    ASTNode next{};
-    ASTNode previous{};
+    ASTNode parent;
+    ASTNode next;
+    ASTNode previous;
     ASTZipper* manager{};
 };
 

src/video_core/shader/const_buffer_locker.cpp

@@ -66,6 +66,18 @@ std::optional<Tegra::Engines::SamplerDescriptor> ConstBufferLocker::ObtainBindle
     return value;
 }
 
+std::optional<u32> ConstBufferLocker::ObtainBoundBuffer() {
+    if (bound_buffer_saved) {
+        return bound_buffer;
+    }
+    if (!engine) {
+        return std::nullopt;
+    }
+    bound_buffer_saved = true;
+    bound_buffer = engine->GetBoundBuffer();
+    return bound_buffer;
+}
+
 void ConstBufferLocker::InsertKey(u32 buffer, u32 offset, u32 value) {
     keys.insert_or_assign({buffer, offset}, value);
 }
@@ -78,6 +90,11 @@ void ConstBufferLocker::InsertBindlessSampler(u32 buffer, u32 offset, SamplerDes
     bindless_samplers.insert_or_assign({buffer, offset}, sampler);
 }
 
+void ConstBufferLocker::SetBoundBuffer(u32 buffer) {
+    bound_buffer_saved = true;
+    bound_buffer = buffer;
+}
+
 bool ConstBufferLocker::IsConsistent() const {
     if (!engine) {
         return false;

src/video_core/shader/const_buffer_locker.h

@@ -10,6 +10,7 @@
 #include "common/hash.h"
 #include "video_core/engines/const_buffer_engine_interface.h"
 #include "video_core/engines/shader_type.h"
+#include "video_core/guest_driver.h"
 
 namespace VideoCommon::Shader {
 
@@ -40,6 +41,8 @@ public:
 
     std::optional<Tegra::Engines::SamplerDescriptor> ObtainBindlessSampler(u32 buffer, u32 offset);
 
+    std::optional<u32> ObtainBoundBuffer();
+
     /// Inserts a key.
     void InsertKey(u32 buffer, u32 offset, u32 value);
 
@@ -49,6 +52,9 @@ public:
     /// Inserts a bindless sampler key.
     void InsertBindlessSampler(u32 buffer, u32 offset, Tegra::Engines::SamplerDescriptor sampler);
 
+    /// Set the bound buffer for this locker.
+    void SetBoundBuffer(u32 buffer);
+
     /// Checks keys and samplers against engine's current const buffers. Returns true if they are
     /// the same value, false otherwise;
     bool IsConsistent() const;
@@ -71,12 +77,27 @@ public:
         return bindless_samplers;
     }
 
+    /// Gets bound buffer used on this shader
+    u32 GetBoundBuffer() const {
+        return bound_buffer;
+    }
+
+    /// Obtains access to the guest driver's profile.
+    VideoCore::GuestDriverProfile* AccessGuestDriverProfile() const {
+        if (engine) {
+            return &engine->AccessGuestDriverProfile();
+        }
+        return nullptr;
+    }
+
 private:
     const Tegra::Engines::ShaderType stage;
     Tegra::Engines::ConstBufferEngineInterface* engine = nullptr;
     KeyMap keys;
     BoundSamplerMap bound_samplers;
     BindlessSamplerMap bindless_samplers;
+    bool bound_buffer_saved{};
+    u32 bound_buffer{};
 };
 
 } // namespace VideoCommon::Shader

src/video_core/shader/decode.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <cstring>
+#include <limits>
 #include <set>
 
 #include <fmt/format.h>
@@ -33,6 +34,52 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
     return (absolute_offset % SchedPeriod) == 0;
 }
 
+void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
+                              const std::list<Sampler>& used_samplers) {
+    if (gpu_driver == nullptr) {
+        LOG_CRITICAL(HW_GPU, "GPU driver profile has not been created yet");
+        return;
+    }
+    if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) {
+        return;
+    }
+    u32 count{};
+    std::vector<u32> bound_offsets;
+    for (const auto& sampler : used_samplers) {
+        if (sampler.IsBindless()) {
+            continue;
+        }
+        ++count;
+        bound_offsets.emplace_back(sampler.GetOffset());
+    }
+    if (count > 1) {
+        gpu_driver->DeduceTextureHandlerSize(std::move(bound_offsets));
+    }
+}
+
+std::optional<u32> TryDeduceSamplerSize(const Sampler& sampler_to_deduce,
+                                        VideoCore::GuestDriverProfile* gpu_driver,
+                                        const std::list<Sampler>& used_samplers) {
+    if (gpu_driver == nullptr) {
+        LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
+        return std::nullopt;
+    }
+    const u32 base_offset = sampler_to_deduce.GetOffset();
+    u32 max_offset{std::numeric_limits<u32>::max()};
+    for (const auto& sampler : used_samplers) {
+        if (sampler.IsBindless()) {
+            continue;
+        }
+        if (sampler.GetOffset() > base_offset) {
+            max_offset = std::min(sampler.GetOffset(), max_offset);
+        }
+    }
+    if (max_offset == std::numeric_limits<u32>::max()) {
+        return std::nullopt;
+    }
+    return ((max_offset - base_offset) * 4) / gpu_driver->GetTextureHandlerSize();
+}
+
 } // Anonymous namespace
 
 class ASTDecoder {
@@ -315,4 +362,25 @@ u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) {
     return pc + 1;
 }
 
+void ShaderIR::PostDecode() {
+    // Deduce texture handler size if needed
+    auto gpu_driver = locker.AccessGuestDriverProfile();
+    DeduceTextureHandlerSize(gpu_driver, used_samplers);
+    // Deduce Indexed Samplers
+    if (!uses_indexed_samplers) {
+        return;
+    }
+    for (auto& sampler : used_samplers) {
+        if (!sampler.IsIndexed()) {
+            continue;
+        }
+        if (const auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers)) {
+            sampler.SetSize(*size);
+        } else {
+            LOG_CRITICAL(HW_GPU, "Failed to deduce size of indexed sampler");
+            sampler.SetSize(1);
+        }
+    }
+}
+
 } // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_integer.cpp

@@ -297,7 +297,7 @@ void ShaderIR::WriteLop3Instruction(NodeBlock& bb, Register dest, Node op_a, Nod
     const Node one = Immediate(1);
     const Node two = Immediate(2);
 
-    Node value{};
+    Node value;
     for (u32 i = 0; i < lop_iterations; ++i) {
         const Node shift_amount = Immediate(i);
 

src/video_core/shader/decode/memory.cpp

@@ -19,9 +19,12 @@ namespace VideoCommon::Shader {
 using Tegra::Shader::AtomicOp;
 using Tegra::Shader::AtomicType;
 using Tegra::Shader::Attribute;
+using Tegra::Shader::GlobalAtomicOp;
+using Tegra::Shader::GlobalAtomicType;
 using Tegra::Shader::Instruction;
 using Tegra::Shader::OpCode;
 using Tegra::Shader::Register;
+using Tegra::Shader::StoreType;
 
 namespace {
 
@@ -61,6 +64,27 @@ u32 GetMemorySize(Tegra::Shader::UniformType uniform_type) {
     }
 }
 
+Node ExtractUnaligned(Node value, Node address, u32 mask, u32 size) {
+    Node offset = Operation(OperationCode::UBitwiseAnd, address, Immediate(mask));
+    offset = Operation(OperationCode::ULogicalShiftLeft, std::move(offset), Immediate(3));
+    return Operation(OperationCode::UBitfieldExtract, std::move(value), std::move(offset),
+                     Immediate(size));
+}
+
+Node InsertUnaligned(Node dest, Node value, Node address, u32 mask, u32 size) {
+    Node offset = Operation(OperationCode::UBitwiseAnd, std::move(address), Immediate(mask));
+    offset = Operation(OperationCode::ULogicalShiftLeft, std::move(offset), Immediate(3));
+    return Operation(OperationCode::UBitfieldInsert, std::move(dest), std::move(value),
+                     std::move(offset), Immediate(size));
+}
+
+Node Sign16Extend(Node value) {
+    Node sign = Operation(OperationCode::UBitwiseAnd, value, Immediate(1U << 15));
+    Node is_sign = Operation(OperationCode::LogicalUEqual, std::move(sign), Immediate(1U << 15));
+    Node extend = Operation(OperationCode::Select, is_sign, Immediate(0xFFFF0000), Immediate(0));
+    return Operation(OperationCode::UBitwiseOr, std::move(value), std::move(extend));
+}
+
 } // Anonymous namespace
 
 u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
@@ -136,26 +160,31 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
         LOG_DEBUG(HW_GPU, "LD_L cache management mode: {}", static_cast<u64>(instr.ld_l.unknown));
         [[fallthrough]];
     case OpCode::Id::LD_S: {
-        const auto GetMemory = [&](s32 offset) {
+        const auto GetAddress = [&](s32 offset) {
             ASSERT(offset % 4 == 0);
             const Node immediate_offset = Immediate(static_cast<s32>(instr.smem_imm) + offset);
-            const Node address = Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8),
-                                           immediate_offset);
-            return opcode->get().GetId() == OpCode::Id::LD_S ? GetSharedMemory(address)
-                                                             : GetLocalMemory(address);
+            return Operation(OperationCode::IAdd, GetRegister(instr.gpr8), immediate_offset);
+        };
+        const auto GetMemory = [&](s32 offset) {
+            return opcode->get().GetId() == OpCode::Id::LD_S ? GetSharedMemory(GetAddress(offset))
+                                                             : GetLocalMemory(GetAddress(offset));
         };
 
         switch (instr.ldst_sl.type.Value()) {
-        case Tegra::Shader::StoreType::Bits32:
-        case Tegra::Shader::StoreType::Bits64:
-        case Tegra::Shader::StoreType::Bits128: {
-            const u32 count = [&]() {
+        case StoreType::Signed16:
+            SetRegister(bb, instr.gpr0,
+                        Sign16Extend(ExtractUnaligned(GetMemory(0), GetAddress(0), 0b10, 16)));
+            break;
+        case StoreType::Bits32:
+        case StoreType::Bits64:
+        case StoreType::Bits128: {
+            const u32 count = [&] {
                 switch (instr.ldst_sl.type.Value()) {
-                case Tegra::Shader::StoreType::Bits32:
+                case StoreType::Bits32:
                     return 1;
-                case Tegra::Shader::StoreType::Bits64:
+                case StoreType::Bits64:
                     return 2;
-                case Tegra::Shader::StoreType::Bits128:
+                case StoreType::Bits128:
                     return 4;
                 default:
                     UNREACHABLE();
@@ -212,12 +241,7 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
             // To handle unaligned loads get the bytes used to dereference global memory and extract
             // those bytes from the loaded u32.
             if (IsUnaligned(type)) {
-                Node mask = Immediate(GetUnalignedMask(type));
-                Node offset = Operation(OperationCode::UBitwiseAnd, real_address, std::move(mask));
-                offset = Operation(OperationCode::ULogicalShiftLeft, offset, Immediate(3));
-
-                gmem = Operation(OperationCode::UBitfieldExtract, std::move(gmem),
-                                 std::move(offset), Immediate(size));
+                gmem = ExtractUnaligned(gmem, real_address, GetUnalignedMask(type), size);
             }
 
             SetTemporary(bb, i, gmem);
@@ -269,21 +293,28 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
             return Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8), immediate);
         };
 
-        const auto set_memory = opcode->get().GetId() == OpCode::Id::ST_L
-                                    ? &ShaderIR::SetLocalMemory
-                                    : &ShaderIR::SetSharedMemory;
+        const bool is_local = opcode->get().GetId() == OpCode::Id::ST_L;
+        const auto set_memory = is_local ? &ShaderIR::SetLocalMemory : &ShaderIR::SetSharedMemory;
+        const auto get_memory = is_local ? &ShaderIR::GetLocalMemory : &ShaderIR::GetSharedMemory;
 
         switch (instr.ldst_sl.type.Value()) {
-        case Tegra::Shader::StoreType::Bits128:
+        case StoreType::Bits128:
             (this->*set_memory)(bb, GetAddress(12), GetRegister(instr.gpr0.Value() + 3));
             (this->*set_memory)(bb, GetAddress(8), GetRegister(instr.gpr0.Value() + 2));
             [[fallthrough]];
-        case Tegra::Shader::StoreType::Bits64:
+        case StoreType::Bits64:
             (this->*set_memory)(bb, GetAddress(4), GetRegister(instr.gpr0.Value() + 1));
             [[fallthrough]];
-        case Tegra::Shader::StoreType::Bits32:
+        case StoreType::Bits32:
             (this->*set_memory)(bb, GetAddress(0), GetRegister(instr.gpr0));
             break;
+        case StoreType::Signed16: {
+            Node address = GetAddress(0);
+            Node memory = (this->*get_memory)(address);
+            (this->*set_memory)(
+                bb, address, InsertUnaligned(memory, GetRegister(instr.gpr0), address, 0b10, 16));
+            break;
+        }
         default:
             UNIMPLEMENTED_MSG("{} unhandled type: {}", opcode->get().GetName(),
                               static_cast<u32>(instr.ldst_sl.type.Value()));
@@ -323,18 +354,32 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
             Node value = GetRegister(instr.gpr0.Value() + i);
 
             if (IsUnaligned(type)) {
-                Node mask = Immediate(GetUnalignedMask(type));
-                Node offset = Operation(OperationCode::UBitwiseAnd, real_address, std::move(mask));
-                offset = Operation(OperationCode::ULogicalShiftLeft, offset, Immediate(3));
-
-                value = Operation(OperationCode::UBitfieldInsert, gmem, std::move(value), offset,
-                                  Immediate(size));
+                const u32 mask = GetUnalignedMask(type);
+                value = InsertUnaligned(gmem, std::move(value), real_address, mask, size);
             }
 
             bb.push_back(Operation(OperationCode::Assign, gmem, value));
         }
         break;
     }
+    case OpCode::Id::ATOM: {
+        UNIMPLEMENTED_IF_MSG(instr.atom.operation != GlobalAtomicOp::Add, "operation={}",
+                             static_cast<int>(instr.atom.operation.Value()));
+        UNIMPLEMENTED_IF_MSG(instr.atom.type != GlobalAtomicType::S32, "type={}",
+                             static_cast<int>(instr.atom.type.Value()));
+
+        const auto [real_address, base_address, descriptor] =
+            TrackGlobalMemory(bb, instr, true, true);
+        if (!real_address || !base_address) {
+            // Tracking failed, skip atomic.
+            break;
+        }
+
+        Node gmem = MakeNode<GmemNode>(real_address, base_address, descriptor);
+        Node value = Operation(OperationCode::AtomicAdd, std::move(gmem), GetRegister(instr.gpr20));
+        SetRegister(bb, instr.gpr0, std::move(value));
+        break;
+    }
     case OpCode::Id::ATOMS: {
         UNIMPLEMENTED_IF_MSG(instr.atoms.operation != AtomicOp::Add, "operation={}",
                              static_cast<int>(instr.atoms.operation.Value()));
@@ -348,7 +393,7 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
         Node memory = GetSharedMemory(std::move(address));
         Node data = GetRegister(instr.gpr20);
 
-        Node value = Operation(OperationCode::UAtomicAdd, std::move(memory), std::move(data));
+        Node value = Operation(OperationCode::AtomicAdd, std::move(memory), std::move(data));
         SetRegister(bb, instr.gpr0, std::move(value));
         break;
     }

src/video_core/shader/decode/texture.cpp

@@ -144,7 +144,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
         Node4 values;
         for (u32 element = 0; element < values.size(); ++element) {
             auto coords_copy = coords;
-            MetaTexture meta{sampler, {}, depth_compare, aoffi, {}, {}, {}, {}, component, element};
+            MetaTexture meta{sampler, {}, depth_compare, aoffi,   {}, {},
+                             {},      {}, component,     element, {}};
             values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
         }
 
@@ -167,9 +168,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
         const auto derivate_reg = instr.gpr20.Value();
         const auto texture_type = instr.txd.texture_type.Value();
         const auto coord_count = GetCoordCount(texture_type);
-
+        Node index_var{};
         const Sampler* sampler =
-            is_bindless ? GetBindlessSampler(base_reg, {{texture_type, is_array, false}})
+            is_bindless ? GetBindlessSampler(base_reg, index_var, {{texture_type, is_array, false}})
                         : GetSampler(instr.sampler, {{texture_type, is_array, false}});
         Node4 values;
         if (sampler == nullptr) {
@@ -200,7 +201,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
         }
 
         for (u32 element = 0; element < values.size(); ++element) {
-            MetaTexture meta{*sampler, array_node, {}, {}, {}, derivates, {}, {}, {}, element};
+            MetaTexture meta{*sampler, array_node, {}, {},      {},       derivates,
+                             {},       {},         {}, element, index_var};
             values[element] = Operation(OperationCode::TextureGradient, std::move(meta), coords);
         }
 
@@ -215,8 +217,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
         // TODO: The new commits on the texture refactor, change the way samplers work.
         // Sadly, not all texture instructions specify the type of texture their sampler
         // uses. This must be fixed at a later instance.
+        Node index_var{};
         const Sampler* sampler =
-            is_bindless ? GetBindlessSampler(instr.gpr8) : GetSampler(instr.sampler);
+            is_bindless ? GetBindlessSampler(instr.gpr8, index_var) : GetSampler(instr.sampler);
 
         if (sampler == nullptr) {
             u32 indexer = 0;
@@ -240,7 +243,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
                 if (!instr.txq.IsComponentEnabled(element)) {
                     continue;
                 }
-                MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element};
+                MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element, index_var};
                 const Node value =
                     Operation(OperationCode::TextureQueryDimensions, meta,
                               GetRegister(instr.gpr8.Value() + (is_bindless ? 1 : 0)));
@@ -266,8 +269,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
 
         auto texture_type = instr.tmml.texture_type.Value();
         const bool is_array = instr.tmml.array != 0;
+        Node index_var{};
         const Sampler* sampler =
-            is_bindless ? GetBindlessSampler(instr.gpr20) : GetSampler(instr.sampler);
+            is_bindless ? GetBindlessSampler(instr.gpr20, index_var) : GetSampler(instr.sampler);
 
         if (sampler == nullptr) {
             u32 indexer = 0;
@@ -309,7 +313,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
                 continue;
             }
             auto params = coords;
-            MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element};
+            MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element, index_var};
             const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params));
             SetTemporary(bb, indexer++, value);
         }
@@ -383,37 +387,65 @@ const Sampler* ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
     // Otherwise create a new mapping for this sampler
     const auto next_index = static_cast<u32>(used_samplers.size());
     return &used_samplers.emplace_back(next_index, offset, info.type, info.is_array, info.is_shadow,
-                                       info.is_buffer);
+                                       info.is_buffer, false);
 }
 
-const Sampler* ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg,
+const Sampler* ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, Node& index_var,
                                             std::optional<SamplerInfo> sampler_info) {
     const Node sampler_register = GetRegister(reg);
-    const auto [base_sampler, buffer, offset] =
-        TrackCbuf(sampler_register, global_code, static_cast<s64>(global_code.size()));
-    ASSERT(base_sampler != nullptr);
-    if (base_sampler == nullptr) {
+    const auto [base_node, tracked_sampler_info] =
+        TrackBindlessSampler(sampler_register, global_code, static_cast<s64>(global_code.size()));
+    ASSERT(base_node != nullptr);
+    if (base_node == nullptr) {
         return nullptr;
     }
 
-    const auto info = GetSamplerInfo(sampler_info, offset, buffer);
+    if (const auto bindless_sampler_info =
+            std::get_if<BindlessSamplerNode>(&*tracked_sampler_info)) {
+        const u32 buffer = bindless_sampler_info->GetIndex();
+        const u32 offset = bindless_sampler_info->GetOffset();
+        const auto info = GetSamplerInfo(sampler_info, offset, buffer);
 
-    // If this sampler has already been used, return the existing mapping.
-    const auto it =
-        std::find_if(used_samplers.begin(), used_samplers.end(),
-                     [buffer = buffer, offset = offset](const Sampler& entry) {
-                         return entry.GetBuffer() == buffer && entry.GetOffset() == offset;
-                     });
-    if (it != used_samplers.end()) {
-        ASSERT(it->IsBindless() && it->GetType() == info.type && it->IsArray() == info.is_array &&
-               it->IsShadow() == info.is_shadow);
-        return &*it;
+        // If this sampler has already been used, return the existing mapping.
+        const auto it =
+            std::find_if(used_samplers.begin(), used_samplers.end(),
+                         [buffer = buffer, offset = offset](const Sampler& entry) {
+                             return entry.GetBuffer() == buffer && entry.GetOffset() == offset;
+                         });
+        if (it != used_samplers.end()) {
+            ASSERT(it->IsBindless() && it->GetType() == info.type &&
+                   it->IsArray() == info.is_array && it->IsShadow() == info.is_shadow);
+            return &*it;
+        }
+
+        // Otherwise create a new mapping for this sampler
+        const auto next_index = static_cast<u32>(used_samplers.size());
+        return &used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array,
+                                           info.is_shadow, info.is_buffer, false);
+    } else if (const auto array_sampler_info =
+                   std::get_if<ArraySamplerNode>(&*tracked_sampler_info)) {
+        const u32 base_offset = array_sampler_info->GetBaseOffset() / 4;
+        index_var = GetCustomVariable(array_sampler_info->GetIndexVar());
+        const auto info = GetSamplerInfo(sampler_info, base_offset);
+
+        // If this sampler has already been used, return the existing mapping.
+        const auto it = std::find_if(
+            used_samplers.begin(), used_samplers.end(),
+            [base_offset](const Sampler& entry) { return entry.GetOffset() == base_offset; });
+        if (it != used_samplers.end()) {
+            ASSERT(!it->IsBindless() && it->GetType() == info.type &&
+                   it->IsArray() == info.is_array && it->IsShadow() == info.is_shadow &&
+                   it->IsBuffer() == info.is_buffer && it->IsIndexed());
+            return &*it;
+        }
+
+        uses_indexed_samplers = true;
+        // Otherwise create a new mapping for this sampler
+        const auto next_index = static_cast<u32>(used_samplers.size());
+        return &used_samplers.emplace_back(next_index, base_offset, info.type, info.is_array,
+                                           info.is_shadow, info.is_buffer, true);
     }
-
-    // Otherwise create a new mapping for this sampler
-    const auto next_index = static_cast<u32>(used_samplers.size());
-    return &used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array,
-                                       info.is_shadow, info.is_buffer);
+    return nullptr;
 }
 
 void ShaderIR::WriteTexInstructionFloat(NodeBlock& bb, Instruction instr, const Node4& components) {
@@ -499,8 +531,9 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
                          "This method is not supported.");
 
     const SamplerInfo info{texture_type, is_array, is_shadow, false};
-    const Sampler* sampler =
-        is_bindless ? GetBindlessSampler(*bindless_reg, info) : GetSampler(instr.sampler, info);
+    Node index_var{};
+    const Sampler* sampler = is_bindless ? GetBindlessSampler(*bindless_reg, index_var, info)
+                                         : GetSampler(instr.sampler, info);
     Node4 values;
     if (sampler == nullptr) {
         for (u32 element = 0; element < values.size(); ++element) {
@@ -548,7 +581,8 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
 
     for (u32 element = 0; element < values.size(); ++element) {
         auto copy_coords = coords;
-        MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, {}, bias, lod, {}, element};
+        MetaTexture meta{*sampler, array, depth_compare, aoffi,    {}, {}, bias,
+                         lod,      {},    element,       index_var};
         values[element] = Operation(read_method, meta, std::move(copy_coords));
     }
 
@@ -596,7 +630,7 @@ Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type,
         aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, false);
     }
 
-    Node dc{};
+    Node dc;
     if (depth_compare) {
         // Depth is always stored in the register signaled by gpr20 or in the next register if lod
         // or bias are used
@@ -632,7 +666,7 @@ Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
 
     const Node array = is_array ? GetRegister(array_register) : nullptr;
 
-    Node dc{};
+    Node dc;
     if (depth_compare) {
         // Depth is always stored in the register signaled by gpr20 or in the next register if lod
         // or bias are used
@@ -663,7 +697,8 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
     u64 parameter_register = instr.gpr20.Value();
 
     const SamplerInfo info{texture_type, is_array, depth_compare, false};
-    const Sampler* sampler = is_bindless ? GetBindlessSampler(parameter_register++, info)
+    Node index_var{};
+    const Sampler* sampler = is_bindless ? GetBindlessSampler(parameter_register++, index_var, info)
                                          : GetSampler(instr.sampler, info);
     Node4 values;
     if (sampler == nullptr) {
@@ -692,7 +727,8 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
     for (u32 element = 0; element < values.size(); ++element) {
         auto coords_copy = coords;
         MetaTexture meta{
-            *sampler, GetRegister(array_register), dc, aoffi, ptp, {}, {}, {}, component, element};
+            *sampler, GetRegister(array_register), dc, aoffi, ptp, {}, {}, {}, component, element,
+            index_var};
         values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
     }
 
@@ -725,7 +761,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
     Node4 values;
     for (u32 element = 0; element < values.size(); ++element) {
         auto coords_copy = coords;
-        MetaTexture meta{sampler, array_register, {}, {}, {}, {}, {}, lod, {}, element};
+        MetaTexture meta{sampler, array_register, {}, {}, {}, {}, {}, lod, {}, element, {}};
         values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
     }
 
@@ -775,7 +811,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
     Node4 values;
     for (u32 element = 0; element < values.size(); ++element) {
         auto coords_copy = coords;
-        MetaTexture meta{sampler, array, {}, {}, {}, {}, {}, lod, {}, element};
+        MetaTexture meta{sampler, array, {}, {}, {}, {}, {}, lod, {}, element, {}};
         values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
     }
     return values;

src/video_core/shader/node.h

@@ -162,7 +162,7 @@ enum class OperationCode {
     AtomicImageXor,      /// (MetaImage, int[N] coords) -> void
     AtomicImageExchange, /// (MetaImage, int[N] coords) -> void
 
-    UAtomicAdd, /// (smem, uint) -> uint
+    AtomicAdd, /// (memory, {u}int) -> {u}int
 
     Branch,         /// (uint branch_target) -> void
     BranchIndirect, /// (uint branch_target) -> void
@@ -212,6 +212,7 @@ enum class MetaStackClass {
 class OperationNode;
 class ConditionalNode;
 class GprNode;
+class CustomVarNode;
 class ImmediateNode;
 class InternalFlagNode;
 class PredicateNode;
@@ -223,26 +224,32 @@ class SmemNode;
 class GmemNode;
 class CommentNode;
 
-using NodeData = std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode,
+using NodeData = std::variant<OperationNode, ConditionalNode, GprNode, CustomVarNode, ImmediateNode,
                               InternalFlagNode, PredicateNode, AbufNode, PatchNode, CbufNode,
                               LmemNode, SmemNode, GmemNode, CommentNode>;
 using Node = std::shared_ptr<NodeData>;
 using Node4 = std::array<Node, 4>;
 using NodeBlock = std::vector<Node>;
 
+class BindlessSamplerNode;
+class ArraySamplerNode;
+
+using TrackSamplerData = std::variant<BindlessSamplerNode, ArraySamplerNode>;
+using TrackSampler = std::shared_ptr<TrackSamplerData>;
+
 class Sampler {
 public:
     /// This constructor is for bound samplers
     constexpr explicit Sampler(u32 index, u32 offset, Tegra::Shader::TextureType type,
-                               bool is_array, bool is_shadow, bool is_buffer)
+                               bool is_array, bool is_shadow, bool is_buffer, bool is_indexed)
         : index{index}, offset{offset}, type{type}, is_array{is_array}, is_shadow{is_shadow},
-          is_buffer{is_buffer} {}
+          is_buffer{is_buffer}, is_indexed{is_indexed} {}
 
     /// This constructor is for bindless samplers
     constexpr explicit Sampler(u32 index, u32 offset, u32 buffer, Tegra::Shader::TextureType type,
-                               bool is_array, bool is_shadow, bool is_buffer)
+                               bool is_array, bool is_shadow, bool is_buffer, bool is_indexed)
         : index{index}, offset{offset}, buffer{buffer}, type{type}, is_array{is_array},
-          is_shadow{is_shadow}, is_buffer{is_buffer}, is_bindless{true} {}
+          is_shadow{is_shadow}, is_buffer{is_buffer}, is_bindless{true}, is_indexed{is_indexed} {}
 
     constexpr u32 GetIndex() const {
         return index;
@@ -276,16 +283,72 @@ public:
         return is_bindless;
     }
 
+    constexpr bool IsIndexed() const {
+        return is_indexed;
+    }
+
+    constexpr u32 Size() const {
+        return size;
+    }
+
+    constexpr void SetSize(u32 new_size) {
+        size = new_size;
+    }
+
 private:
     u32 index{};  ///< Emulated index given for the this sampler.
     u32 offset{}; ///< Offset in the const buffer from where the sampler is being read.
     u32 buffer{}; ///< Buffer where the bindless sampler is being read (unused on bound samplers).
+    u32 size{};   ///< Size of the sampler if indexed.
 
     Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
     bool is_array{};    ///< Whether the texture is being sampled as an array texture or not.
     bool is_shadow{};   ///< Whether the texture is being sampled as a depth texture or not.
     bool is_buffer{};   ///< Whether the texture is a texture buffer without sampler.
     bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
+    bool is_indexed{};  ///< Whether this sampler is an indexed array of textures.
+};
+
+/// Represents a tracked bindless sampler into a direct const buffer
+class ArraySamplerNode final {
+public:
+    explicit ArraySamplerNode(u32 index, u32 base_offset, u32 bindless_var)
+        : index{index}, base_offset{base_offset}, bindless_var{bindless_var} {}
+
+    constexpr u32 GetIndex() const {
+        return index;
+    }
+
+    constexpr u32 GetBaseOffset() const {
+        return base_offset;
+    }
+
+    constexpr u32 GetIndexVar() const {
+        return bindless_var;
+    }
+
+private:
+    u32 index;
+    u32 base_offset;
+    u32 bindless_var;
+};
+
+/// Represents a tracked bindless sampler into a direct const buffer
+class BindlessSamplerNode final {
+public:
+    explicit BindlessSamplerNode(u32 index, u32 offset) : index{index}, offset{offset} {}
+
+    constexpr u32 GetIndex() const {
+        return index;
+    }
+
+    constexpr u32 GetOffset() const {
+        return offset;
+    }
+
+private:
+    u32 index;
+    u32 offset;
 };
 
 class Image final {
@@ -380,8 +443,9 @@ struct MetaTexture {
     std::vector<Node> derivates;
     Node bias;
     Node lod;
-    Node component{};
+    Node component;
     u32 element{};
+    Node index;
 };
 
 struct MetaImage {
@@ -488,6 +552,19 @@ private:
     Tegra::Shader::Register index{};
 };
 
+/// A custom variable
+class CustomVarNode final {
+public:
+    explicit constexpr CustomVarNode(u32 index) : index{index} {}
+
+    constexpr u32 GetIndex() const {
+        return index;
+    }
+
+private:
+    u32 index{};
+};
+
 /// A 32-bits value that represents an immediate value
 class ImmediateNode final {
 public:

src/video_core/shader/node_helper.h

@@ -45,6 +45,12 @@ Node MakeNode(Args&&... args) {
     return std::make_shared<NodeData>(T(std::forward<Args>(args)...));
 }
 
+template <typename T, typename... Args>
+TrackSampler MakeTrackSampler(Args&&... args) {
+    static_assert(std::is_convertible_v<T, TrackSamplerData>);
+    return std::make_shared<TrackSamplerData>(T(std::forward<Args>(args)...));
+}
+
 template <typename... Args>
 Node Operation(OperationCode code, Args&&... args) {
     if constexpr (sizeof...(args) == 0) {

src/video_core/shader/shader_ir.cpp

@@ -27,6 +27,7 @@ ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, CompilerSet
                    ConstBufferLocker& locker)
     : program_code{program_code}, main_offset{main_offset}, settings{settings}, locker{locker} {
     Decode();
+    PostDecode();
 }
 
 ShaderIR::~ShaderIR() = default;
@@ -38,6 +39,10 @@ Node ShaderIR::GetRegister(Register reg) {
     return MakeNode<GprNode>(reg);
 }
 
+Node ShaderIR::GetCustomVariable(u32 id) {
+    return MakeNode<CustomVarNode>(id);
+}
+
 Node ShaderIR::GetImmediate19(Instruction instr) {
     return Immediate(instr.alu.GetImm20_19());
 }
@@ -452,4 +457,8 @@ std::size_t ShaderIR::DeclareAmend(Node new_amend) {
     return id;
 }
 
+u32 ShaderIR::NewCustomVariable() {
+    return num_custom_variables++;
+}
+
 } // namespace VideoCommon::Shader

src/video_core/shader/shader_ir.h

@@ -180,6 +180,10 @@ public:
         return amend_code[index];
     }
 
+    u32 GetNumCustomVariables() const {
+        return num_custom_variables;
+    }
+
 private:
     friend class ASTDecoder;
 
@@ -191,6 +195,7 @@ private:
     };
 
     void Decode();
+    void PostDecode();
 
     NodeBlock DecodeRange(u32 begin, u32 end);
     void DecodeRangeInner(NodeBlock& bb, u32 begin, u32 end);
@@ -235,6 +240,8 @@ private:
 
     /// Generates a node for a passed register.
     Node GetRegister(Tegra::Shader::Register reg);
+    /// Generates a node for a custom variable
+    Node GetCustomVariable(u32 id);
     /// Generates a node representing a 19-bit immediate value
     Node GetImmediate19(Tegra::Shader::Instruction instr);
     /// Generates a node representing a 32-bit immediate value
@@ -321,7 +328,7 @@ private:
                               std::optional<SamplerInfo> sampler_info = std::nullopt);
 
     /// Accesses a texture sampler for a bindless texture.
-    const Sampler* GetBindlessSampler(Tegra::Shader::Register reg,
+    const Sampler* GetBindlessSampler(Tegra::Shader::Register reg, Node& index_var,
                                       std::optional<SamplerInfo> sampler_info = std::nullopt);
 
     /// Accesses an image.
@@ -387,6 +394,9 @@ private:
 
     std::tuple<Node, u32, u32> TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
 
+    std::tuple<Node, TrackSampler> TrackBindlessSampler(Node tracked, const NodeBlock& code,
+                                                        s64 cursor);
+
     std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const;
 
     std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code,
@@ -399,6 +409,8 @@ private:
     /// Register new amending code and obtain the reference id.
     std::size_t DeclareAmend(Node new_amend);
 
+    u32 NewCustomVariable();
+
     const ProgramCode& program_code;
     const u32 main_offset;
     const CompilerSettings settings;
@@ -414,6 +426,7 @@ private:
     NodeBlock global_code;
     ASTManager program_manager{true, true};
     std::vector<Node> amend_code;
+    u32 num_custom_variables{};
 
     std::set<u32> used_registers;
     std::set<Tegra::Shader::Pred> used_predicates;
@@ -431,6 +444,7 @@ private:
     bool uses_instance_id{};
     bool uses_vertex_id{};
     bool uses_warps{};
+    bool uses_indexed_samplers{};
 
     Tegra::Shader::Header header;
 };

src/video_core/shader/track.cpp

@@ -8,6 +8,7 @@
 
 #include "common/common_types.h"
 #include "video_core/shader/node.h"
+#include "video_core/shader/node_helper.h"
 #include "video_core/shader/shader_ir.h"
 
 namespace VideoCommon::Shader {
@@ -35,8 +36,113 @@ std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
     }
     return {};
 }
+
+std::optional<std::pair<Node, Node>> DecoupleIndirectRead(const OperationNode& operation) {
+    if (operation.GetCode() != OperationCode::UAdd) {
+        return std::nullopt;
+    }
+    Node gpr;
+    Node offset;
+    ASSERT(operation.GetOperandsCount() == 2);
+    for (std::size_t i = 0; i < operation.GetOperandsCount(); i++) {
+        Node operand = operation[i];
+        if (std::holds_alternative<ImmediateNode>(*operand)) {
+            offset = operation[i];
+        } else if (std::holds_alternative<GprNode>(*operand)) {
+            gpr = operation[i];
+        }
+    }
+    if (offset && gpr) {
+        return std::make_pair(gpr, offset);
+    }
+    return std::nullopt;
+}
+
+bool AmendNodeCv(std::size_t amend_index, Node node) {
+    if (const auto operation = std::get_if<OperationNode>(&*node)) {
+        operation->SetAmendIndex(amend_index);
+        return true;
+    } else if (const auto conditional = std::get_if<ConditionalNode>(&*node)) {
+        conditional->SetAmendIndex(amend_index);
+        return true;
+    }
+    return false;
+}
+
 } // Anonymous namespace
 
+std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, const NodeBlock& code,
+                                                              s64 cursor) {
+    if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {
+        // Constant buffer found, test if it's an immediate
+        const auto offset = cbuf->GetOffset();
+        if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
+            auto track =
+                MakeTrackSampler<BindlessSamplerNode>(cbuf->GetIndex(), immediate->GetValue());
+            return {tracked, track};
+        } else if (const auto operation = std::get_if<OperationNode>(&*offset)) {
+            auto bound_buffer = locker.ObtainBoundBuffer();
+            if (!bound_buffer) {
+                return {};
+            }
+            if (*bound_buffer != cbuf->GetIndex()) {
+                return {};
+            }
+            auto pair = DecoupleIndirectRead(*operation);
+            if (!pair) {
+                return {};
+            }
+            auto [gpr, base_offset] = *pair;
+            const auto offset_inm = std::get_if<ImmediateNode>(&*base_offset);
+            auto gpu_driver = locker.AccessGuestDriverProfile();
+            if (gpu_driver == nullptr) {
+                return {};
+            }
+            const u32 bindless_cv = NewCustomVariable();
+            const Node op = Operation(OperationCode::UDiv, NO_PRECISE, gpr,
+                                      Immediate(gpu_driver->GetTextureHandlerSize()));
+
+            const Node cv_node = GetCustomVariable(bindless_cv);
+            Node amend_op = Operation(OperationCode::Assign, cv_node, std::move(op));
+            const std::size_t amend_index = DeclareAmend(amend_op);
+            AmendNodeCv(amend_index, code[cursor]);
+            // TODO Implement Bindless Index custom variable
+            auto track = MakeTrackSampler<ArraySamplerNode>(cbuf->GetIndex(),
+                                                            offset_inm->GetValue(), bindless_cv);
+            return {tracked, track};
+        }
+        return {};
+    }
+    if (const auto gpr = std::get_if<GprNode>(&*tracked)) {
+        if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
+            return {};
+        }
+        // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
+        // register that it uses as operand
+        const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
+        if (!source) {
+            return {};
+        }
+        return TrackBindlessSampler(source, code, new_cursor);
+    }
+    if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
+        for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) {
+            if (auto found = TrackBindlessSampler((*operation)[i - 1], code, cursor);
+                std::get<0>(found)) {
+                // Cbuf found in operand.
+                return found;
+            }
+        }
+        return {};
+    }
+    if (const auto conditional = std::get_if<ConditionalNode>(&*tracked)) {
+        const auto& conditional_code = conditional->GetCode();
+        return TrackBindlessSampler(tracked, conditional_code,
+                                    static_cast<s64>(conditional_code.size()));
+    }
+    return {};
+}
+
 std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code,
                                                s64 cursor) const {
     if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {

src/yuzu/configuration/configure_input_player.cpp

@@ -236,6 +236,8 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
         widget->setVisible(false);
 
     analog_map_stick = {ui->buttonLStickAnalog, ui->buttonRStickAnalog};
+    analog_map_deadzone = {ui->sliderLStickDeadzone, ui->sliderRStickDeadzone};
+    analog_map_deadzone_label = {ui->labelLStickDeadzone, ui->labelRStickDeadzone};
 
     for (int button_id = 0; button_id < Settings::NativeButton::NumButtons; button_id++) {
         auto* const button = button_map[button_id];
@@ -326,6 +328,11 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
                     InputCommon::Polling::DeviceType::Analog);
             }
         });
+        connect(analog_map_deadzone[analog_id], &QSlider::valueChanged, [=] {
+            const float deadzone = analog_map_deadzone[analog_id]->value() / 100.0f;
+            analog_map_deadzone_label[analog_id]->setText(tr("Deadzone: %1").arg(deadzone));
+            analogs_param[analog_id].Set("deadzone", deadzone);
+        });
     }
 
     connect(ui->buttonClearAll, &QPushButton::clicked, [this] { ClearAll(); });
@@ -484,7 +491,7 @@ void ConfigureInputPlayer::ClearAll() {
                 continue;
             }
 
-            analogs_param[analog_id].Erase(analog_sub_buttons[sub_button_id]);
+            analogs_param[analog_id].Clear();
         }
     }
 
@@ -508,6 +515,23 @@ void ConfigureInputPlayer::UpdateButtonLabels() {
                 AnalogToText(analogs_param[analog_id], analog_sub_buttons[sub_button_id]));
         }
         analog_map_stick[analog_id]->setText(tr("Set Analog Stick"));
+
+        auto& param = analogs_param[analog_id];
+        auto* const analog_deadzone_slider = analog_map_deadzone[analog_id];
+        auto* const analog_deadzone_label = analog_map_deadzone_label[analog_id];
+
+        if (param.Has("engine") && param.Get("engine", "") == "sdl") {
+            if (!param.Has("deadzone")) {
+                param.Set("deadzone", 0.1f);
+            }
+
+            analog_deadzone_slider->setValue(static_cast<int>(param.Get("deadzone", 0.1f) * 100));
+            analog_deadzone_slider->setVisible(true);
+            analog_deadzone_label->setVisible(true);
+        } else {
+            analog_deadzone_slider->setVisible(false);
+            analog_deadzone_label->setVisible(false);
+        }
     }
 }
 

src/yuzu/configuration/configure_input_player.h

@@ -97,6 +97,8 @@ private:
     /// Analog inputs are also represented each with a single button, used to configure with an
     /// actual analog stick
     std::array<QPushButton*, Settings::NativeAnalog::NumAnalogs> analog_map_stick;
+    std::array<QSlider*, Settings::NativeAnalog::NumAnalogs> analog_map_deadzone;
+    std::array<QLabel*, Settings::NativeAnalog::NumAnalogs> analog_map_deadzone_label;
 
     static const std::array<std::string, ANALOG_SUB_BUTTONS_NUM> analog_sub_buttons;
 

src/yuzu/configuration/configure_input_player.ui

@@ -170,6 +170,44 @@
           </item>
          </layout>
         </item>
+        <item row="4" column="0" colspan="2">
+         <layout class="QVBoxLayout" name="sliderRStickDeadzoneVerticalLayout">
+          <item>
+           <layout class="QHBoxLayout" name="sliderRStickDeadzoneHorizontalLayout">
+            <item>
+             <widget class="QLabel" name="labelRStickDeadzone">
+              <property name="text">
+               <string>Deadzone: 0</string>
+              </property>
+              <property name="alignment">
+               <enum>Qt::AlignHCenter</enum>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <widget class="QSlider" name="sliderRStickDeadzone">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="5" column="0">
+         <spacer name="RStick_verticalSpacer">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
        </layout>
       </widget>
      </item>
@@ -745,6 +783,47 @@
           </item>
          </layout>
         </item>
+        <item row="5" column="1" colspan="2">
+         <layout class="QVBoxLayout" name="sliderLStickDeadzoneVerticalLayout">
+          <property name="sizeConstraint">
+           <enum>QLayout::SetDefaultConstraint</enum>
+          </property>
+          <item>
+           <layout class="QHBoxLayout" name="sliderLStickDeadzoneHorizontalLayout">
+            <item>
+             <widget class="QLabel" name="labelLStickDeadzone">
+              <property name="text">
+               <string>Deadzone: 0</string>
+              </property>
+              <property name="alignment">
+               <enum>Qt::AlignHCenter</enum>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <widget class="QSlider" name="sliderLStickDeadzone">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="6" column="1">
+         <spacer name="LStick_verticalSpacer">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
        </layout>
       </widget>
      </item>