Working example

sdl3/sdl3_touch.odin

@@ -0,0 +1,32 @@
+package sdl3
+
+import "core:c"
+
+
+TouchID  :: distinct Uint64
+FingerID :: distinct Uint64
+
+TouchDeviceType :: enum c.int {
+	INVALID = -1,
+	DIRECT,            /**< touch screen with window-relative coordinates */
+	INDIRECT_ABSOLUTE, /**< trackpad with absolute device coordinates */
+	INDIRECT_RELATIVE, /**< trackpad with screen cursor-relative coordinates */
+}
+
+Finger :: struct {
+	id:       FingerID, /**< the finger ID */
+	x:        f32,      /**< the x-axis location of the touch event, normalized (0...1) */
+	y:        f32,      /**< the y-axis location of the touch event, normalized (0...1) */
+	pressure: f32,      /**< the quantity of pressure applied, normalized (0...1) */
+}
+
+TOUCH_MOUSEID :: MouseID(1<<32 - 1)
+MOUSE_TOUCHID :: TouchID(1<<64 - 1)
+
+@(default_calling_convention="c", link_prefix="SDL_", require_results)
+foreign lib {
+	GetTouchDevices    :: proc(count: ^c.int) -> [^]TouchID ---
+	GetTouchDeviceName :: proc(touchID: TouchID) -> cstring ---
+	GetTouchDeviceType :: proc(touchID: TouchID) -> TouchDeviceType ---
+	GetTouchFingers    :: proc(touchID: TouchID, count: ^c.int) -> [^]^Finger ---
+}