4 files changed, 70 insertions, 10 deletions

diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp
index 9d934e220..2470f4640 100644
--- a/src/yuzu_cmd/config.cpp
+++ b/src/yuzu_cmd/config.cpp
@@ -138,6 +138,7 @@ void Config::ReadValues() {
     Settings::values.use_gdbstub = sdl2_config->GetBoolean("Debugging", "use_gdbstub", false);
     Settings::values.gdbstub_port =
         static_cast<u16>(sdl2_config->GetInteger("Debugging", "gdbstub_port", 24689));
+    Settings::values.program_args = sdl2_config->Get("Debugging", "program_args", "");
 
     // Web Service
     Settings::values.enable_telemetry =
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
index 155095095..a9ad92a80 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
@@ -40,6 +40,35 @@ void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
     }
 }
 
+std::pair<unsigned, unsigned> EmuWindow_SDL2::TouchToPixelPos(float touch_x, float touch_y) const {
+    int w, h;
+    SDL_GetWindowSize(render_window, &w, &h);
+
+    touch_x *= w;
+    touch_y *= h;
+
+    return {static_cast<unsigned>(std::max(std::round(touch_x), 0.0f)),
+            static_cast<unsigned>(std::max(std::round(touch_y), 0.0f))};
+}
+
+void EmuWindow_SDL2::OnFingerDown(float x, float y) {
+    // TODO(NeatNit): keep track of multitouch using the fingerID and a dictionary of some kind
+    // This isn't critical because the best we can do when we have that is to average them, like the
+    // 3DS does
+
+    const auto [px, py] = TouchToPixelPos(x, y);
+    TouchPressed(px, py);
+}
+
+void EmuWindow_SDL2::OnFingerMotion(float x, float y) {
+    const auto [px, py] = TouchToPixelPos(x, y);
+    TouchMoved(px, py);
+}
+
+void EmuWindow_SDL2::OnFingerUp() {
+    TouchReleased();
+}
+
 void EmuWindow_SDL2::OnKeyEvent(int key, u8 state) {
     if (state == SDL_PRESSED) {
         InputCommon::GetKeyboard()->PressKey(key);
@@ -219,11 +248,26 @@ void EmuWindow_SDL2::PollEvents() {
             OnKeyEvent(static_cast<int>(event.key.keysym.scancode), event.key.state);
             break;
         case SDL_MOUSEMOTION:
-            OnMouseMotion(event.motion.x, event.motion.y);
+            // ignore if it came from touch
+            if (event.button.which != SDL_TOUCH_MOUSEID)
+                OnMouseMotion(event.motion.x, event.motion.y);
             break;
         case SDL_MOUSEBUTTONDOWN:
         case SDL_MOUSEBUTTONUP:
-            OnMouseButton(event.button.button, event.button.state, event.button.x, event.button.y);
+            // ignore if it came from touch
+            if (event.button.which != SDL_TOUCH_MOUSEID) {
+                OnMouseButton(event.button.button, event.button.state, event.button.x,
+                              event.button.y);
+            }
+            break;
+        case SDL_FINGERDOWN:
+            OnFingerDown(event.tfinger.x, event.tfinger.y);
+            break;
+        case SDL_FINGERMOTION:
+            OnFingerMotion(event.tfinger.x, event.tfinger.y);
+            break;
+        case SDL_FINGERUP:
+            OnFingerUp();
             break;
         case SDL_QUIT:
             is_open = false;
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.h b/src/yuzu_cmd/emu_window/emu_window_sdl2.h
index d34902109..b0d4116cc 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.h
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.h
@@ -40,6 +40,18 @@ private:
     /// Called by PollEvents when a mouse button is pressed or released
     void OnMouseButton(u32 button, u8 state, s32 x, s32 y);
 
+    /// Translates pixel position (0..1) to pixel positions
+    std::pair<unsigned, unsigned> TouchToPixelPos(float touch_x, float touch_y) const;
+
+    /// Called by PollEvents when a finger starts touching the touchscreen
+    void OnFingerDown(float x, float y);
+
+    /// Called by PollEvents when a finger moves while touching the touchscreen
+    void OnFingerMotion(float x, float y);
+
+    /// Called by PollEvents when a finger stops touching the touchscreen
+    void OnFingerUp();
+
     /// Called by PollEvents when any event that may cause the window to be resized occurs
     void OnResize();
 
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 1d951ca3f..27aba95f6 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -56,9 +56,10 @@ static void PrintHelp(const char* argv0) {
     std::cout << "Usage: " << argv0
               << " [options] <filename>\n"
                  "-g, --gdbport=NUMBER  Enable gdb stub on port NUMBER\n"
-                 "-f, --fullscreen     Start in fullscreen mode\n"
+                 "-f, --fullscreen      Start in fullscreen mode\n"
                  "-h, --help            Display this help and exit\n"
-                 "-v, --version         Output version information and exit\n";
+                 "-v, --version         Output version information and exit\n"
+                 "-p, --program         Pass following string as arguments to executable\n";
 }
 
 static void PrintVersion() {
@@ -103,15 +104,13 @@ int main(int argc, char** argv) {
     bool fullscreen = false;
 
     static struct option long_options[] = {
-        {"gdbport", required_argument, 0, 'g'},
-        {"fullscreen", no_argument, 0, 'f'},
-        {"help", no_argument, 0, 'h'},
-        {"version", no_argument, 0, 'v'},
-        {0, 0, 0, 0},
+        {"gdbport", required_argument, 0, 'g'}, {"fullscreen", no_argument, 0, 'f'},
+        {"help", no_argument, 0, 'h'},          {"version", no_argument, 0, 'v'},
+        {"program", optional_argument, 0, 'p'}, {0, 0, 0, 0},
     };
 
     while (optind < argc) {
-        char arg = getopt_long(argc, argv, "g:fhv", long_options, &option_index);
+        char arg = getopt_long(argc, argv, "g:fhvp::", long_options, &option_index);
         if (arg != -1) {
             switch (arg) {
             case 'g':
@@ -135,6 +134,10 @@ int main(int argc, char** argv) {
             case 'v':
                 PrintVersion();
                 return 0;
+            case 'p':
+                Settings::values.program_args = argv[optind];
+                ++optind;
+                break;
             }
         } else {
 #ifdef _WIN32