Shader: Initial implementation of x86_x64 JIT compiler for Pica vertex shaders.

- Config: Add an option for selecting to use shader JIT or interpreter.
- Qt: Add a menu option for enabling/disabling the shader JIT.

src/citra_qt/config.cpp

@@ -44,6 +44,7 @@ void Config::ReadValues() {
 
     qt_config->beginGroup("Renderer");
     Settings::values.use_hw_renderer = qt_config->value("use_hw_renderer", false).toBool();
+    Settings::values.use_shader_jit = qt_config->value("use_shader_jit", true).toBool();
 
     Settings::values.bg_red   = qt_config->value("bg_red",   1.0).toFloat();
     Settings::values.bg_green = qt_config->value("bg_green", 1.0).toFloat();
@@ -77,6 +78,7 @@ void Config::SaveValues() {
 
     qt_config->beginGroup("Renderer");
     qt_config->setValue("use_hw_renderer", Settings::values.use_hw_renderer);
+    qt_config->setValue("use_shader_jit", Settings::values.use_shader_jit);
 
     // Cast to double because Qt's written float values are not human-readable
     qt_config->setValue("bg_red",   (double)Settings::values.bg_red);

src/citra_qt/main.cpp

@@ -131,6 +131,9 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
     ui.action_Use_Hardware_Renderer->setChecked(Settings::values.use_hw_renderer);
     SetHardwareRendererEnabled(ui.action_Use_Hardware_Renderer->isChecked());
 
+    ui.action_Use_Shader_JIT->setChecked(Settings::values.use_shader_jit);
+    SetShaderJITEnabled(ui.action_Use_Shader_JIT->isChecked());
+
     ui.action_Single_Window_Mode->setChecked(settings.value("singleWindowMode", true).toBool());
     ToggleWindowMode();
 
@@ -144,6 +147,7 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
     connect(ui.action_Pause, SIGNAL(triggered()), this, SLOT(OnPauseGame()));
     connect(ui.action_Stop, SIGNAL(triggered()), this, SLOT(OnStopGame()));
     connect(ui.action_Use_Hardware_Renderer, SIGNAL(triggered(bool)), this, SLOT(SetHardwareRendererEnabled(bool)));
+    connect(ui.action_Use_Shader_JIT, SIGNAL(triggered(bool)), this, SLOT(SetShaderJITEnabled(bool)));
     connect(ui.action_Single_Window_Mode, SIGNAL(triggered(bool)), this, SLOT(ToggleWindowMode()));
     connect(ui.action_Hotkeys, SIGNAL(triggered()), this, SLOT(OnOpenHotkeysDialog()));
 
@@ -331,6 +335,10 @@ void GMainWindow::SetHardwareRendererEnabled(bool enabled) {
     VideoCore::g_hw_renderer_enabled = enabled;
 }
 
+void GMainWindow::SetShaderJITEnabled(bool enabled) {
+    VideoCore::g_shader_jit_enabled = enabled;
+}
+
 void GMainWindow::ToggleWindowMode() {
     if (ui.action_Single_Window_Mode->isChecked()) {
         // Render in the main window...

src/citra_qt/main.h

@@ -70,6 +70,7 @@ private slots:
     void OnConfigure();
     void OnDisplayTitleBars(bool);
     void SetHardwareRendererEnabled(bool);
+    void SetShaderJITEnabled(bool);
     void ToggleWindowMode();
 
 private:

src/citra_qt/main.ui

@@ -66,6 +66,7 @@
     <addaction name="action_Stop"/>
     <addaction name="separator"/>
     <addaction name="action_Use_Hardware_Renderer"/>
+    <addaction name="action_Use_Shader_JIT"/>
     <addaction name="action_Configure"/>
    </widget>
    <widget class="QMenu" name="menu_View">
@@ -153,6 +154,14 @@
     <string>Use Hardware Renderer</string>
    </property>
   </action>
+  <action name="action_Use_Shader_JIT">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Use Shader JIT</string>
+   </property>
+  </action>
   <action name="action_Configure">
    <property name="text">
     <string>Configure ...</string>