Support for Nintendo Switch (#4491)

* WIP support for Nintendo Switch

* OpenAL is usable

* Remove some debug code, add manual crash when DEBUG_NXLINK is on

* Remove more debug logs

* Support touch, account name detection, language detection. Remove resolution settings

* Stylistic changes

* SFXManager: update on main thread

* Add build script, remove crypto.hpp changes, disable opengl recorder on switch

* make: use sudo where needed, libs=>lib, portlib=>portlibs

* make: build harfbuzz with freetype

* main: remove DEBUG_NXLINK

* socket_address: this comment is no longer relevant

* Fix indentation in SDL, remove extra debug logs from InputManager

* InputManager: make log debug, not info

* CMakeLists: add mbedtls include dirs on switch

* main: deinitialize stuff

* main_loop: fix format

src/main_loop.cpp

@@ -61,6 +61,22 @@
 #include <unistd.h>
 #endif
 
+#ifdef __SWITCH__
+extern "C" {
+#define Event libnx_Event
+#define u64 uint64_t
+#define u32 uint32_t
+#define s64 int64_t
+#define s32 int32_t
+#include <switch/services/applet.h>
+#undef Event
+#undef u64
+#undef u32
+#undef s64
+#undef s32
+}
+#endif
+
 MainLoop* main_loop = 0;
 
 #ifdef WIN32
@@ -427,6 +443,14 @@ void MainLoop::run()
 
     while (!m_abort)
     {
+#ifdef __SWITCH__
+      // This feeds us messages (like when the Switch sleeps or requests an exit)
+      m_abort = !appletMainLoop();
+      if (m_abort)
+      {
+          Log::info("MainLoop", "Aborting main loop because Switch told us to!");
+      }
+#endif
 #ifdef WIN32
         if (parent != 0 && parent != INVALID_HANDLE_VALUE)
         {
@@ -446,7 +470,7 @@ void MainLoop::run()
                 m_request_abort = true;
             }
         }
-#else
+#elif !defined( __SWITCH__ )
         // POSIX equivalent
         if (m_parent_pid != 0 && getppid() != (int)m_parent_pid)
         {