Switch Port

Todo: Fix: Misc crashes when interacting on island.
Todo: Fix: Joystick pointer is slow to move.
Todo: Fix: Touch doesn't behave.

CMakeLists.txt

@@ -18,6 +18,12 @@ if (EMSCRIPTEN)
   set(SDL_PTHREADS ON CACHE BOOL "Enable SDL pthreads" FORCE)
 endif()
 
+if (NINTENDO_SWITCH)
+  set(CMAKE_TOOLCHAIN_FILE "${DEVKITPRO}/cmake/Switch.cmake" CACHE PATH "toolchain file")
+  add_compile_definitions(__SWITCH__)
+  add_compile_definitions(SDL_VIDEO_DRIVER_SWITCH)
+endif()
+
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 
 include(CheckCXXSourceCompiles)
@@ -50,7 +56,7 @@ cmake_dependent_option(ISLE_DEBUG "Enable imgui debug" ON "NOT VITA" OFF)
 cmake_dependent_option(ISLE_USE_DX5 "Build with internal DirectX 5 SDK" "${NOT_MINGW}" "WIN32;CMAKE_SIZEOF_VOID_P EQUAL 4" OFF)
 cmake_dependent_option(ISLE_MINIWIN "Use miniwin" ON "NOT ISLE_USE_DX5" OFF)
 cmake_dependent_option(ISLE_EXTENSIONS "Use extensions" ON "NOT ISLE_USE_DX5;NOT WINDOWS_STORE" OFF)
-cmake_dependent_option(ISLE_BUILD_CONFIG "Build CONFIG.EXE application" ON "MSVC OR ISLE_MINIWIN;NOT NINTENDO_3DS;NOT WINDOWS_STORE;NOT VITA" OFF)
+cmake_dependent_option(ISLE_BUILD_CONFIG "Build CONFIG.EXE application" ON "MSVC OR ISLE_MINIWIN;NOT NINTENDO_3DS;NOT NINTENDO_SWITCH;NOT WINDOWS_STORE;NOT VITA" OFF)
 cmake_dependent_option(ISLE_COMPILE_SHADERS "Compile shaders" ON "SDL_SHADERCROSS_BIN;TARGET Python3::Interpreter" OFF)
 cmake_dependent_option(CMAKE_POSITION_INDEPENDENT_CODE "Build with -fPIC" ON "NOT VITA" OFF)
 option(ENABLE_CLANG_TIDY "Enable clang-tidy")
@@ -85,6 +91,18 @@ if (DOWNLOAD_DEPENDENCIES)
         GIT_TAG "main"
         EXCLUDE_FROM_ALL
       )
+    elseif (NINTENDO_SWITCH)
+      FetchContent_Declare(
+        SDL3
+        # Official repo missing Threads support?
+        #GIT_REPOSITORY "https://github.com/devkitPro/SDL.git"
+        #GIT_TAG "switch-sdl-3.2"
+        GIT_REPOSITORY "https://github.com/vs49688/SDL.git"
+        GIT_TAG "switch-sdl-3.2.14"
+        EXCLUDE_FROM_ALL
+      )
+      set(CMAKE_DISABLE_PRECOMPILE_HEADERS ON CACHE BOOL "Disable PCH globally" FORCE)
+      #set(SDL_PLATFORM_SWITCH ON CACHE BOOL "Enable Switch platform backend" FORCE)
     else()
       FetchContent_Declare(
         SDL3
@@ -178,7 +196,8 @@ target_include_directories(Vec::Vec INTERFACE "${CMAKE_SOURCE_DIR}/3rdparty/vec"
 add_library(lego1
   LEGO1/main.cpp
 )
-target_precompile_headers(lego1 PRIVATE "LEGO1/lego1_pch.h")
+target_include_directories(lego1 PRIVATE "${CMAKE_SOURCE_DIR}/LEGO1")
+target_precompile_headers(lego1 PRIVATE "<lego1_pch.h>")
 set_property(TARGET lego1 PROPERTY DEFINE_SYMBOL "LEGO1_DLL")
 target_include_directories(lego1 PUBLIC "$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/util>")
 target_include_directories(lego1 PUBLIC "$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/extensions/include>")
@@ -585,6 +604,12 @@ if (ISLE_BUILD_APP)
       ISLE/3ds/config.cpp
     )
   endif()
+  if(NINTENDO_SWITCH)
+    target_sources(isle PRIVATE
+      ISLE/switch/filesys.cpp
+      ISLE/switch/config.cpp
+    )
+  endif()
   if(WINDOWS_STORE)
     target_sources(isle PRIVATE
       ISLE/xbox_one_series/config.cpp

ISLE/isleapp.cpp

@@ -65,6 +65,12 @@
 #include "3ds/config.h"
 #endif
 
+#ifdef __SWITCH__
+#include <switch.h>
+#include "switch/filesys.h"
+#include "switch/config.h"
+#endif
+
 #ifdef WINDOWS_STORE
 #include "xbox_one_series/config.h"
 #endif
@@ -1142,6 +1148,9 @@ bool IsleApp::LoadConfig()
 #ifdef __3DS__
 		N3DS_SetupDefaultConfigOverrides(dict);
 #endif
+#ifdef __SWITCH__
+		NX_SetupDefaultConfigOverrides(dict);
+#endif
 #ifdef WINDOWS_STORE
 		XBONE_SetupDefaultConfigOverrides(dict);
 #endif

ISLE/switch/config.cpp

@@ -0,0 +1,11 @@
+#include "config.h"
+
+#include <SDL3/SDL_log.h>
+#include <iniparser.h>
+
+void NX_SetupDefaultConfigOverrides(dictionary* p_dictionary)
+{
+	iniparser_set(p_dictionary, "isle:diskpath", "sdmc:/switch/isle/LEGO/");
+	iniparser_set(p_dictionary, "isle:cdpath", "sdmc:/switch/isle/");
+	iniparser_set(p_dictionary, "isle:savepath", "sdmc:/switch/isle/");
+}

ISLE/switch/config.h

@@ -0,0 +1,8 @@
+#ifndef NX_CONFIG_H
+#define NX_CONFIG_H
+
+#include "dictionary.h"
+
+void NX_SetupDefaultConfigOverrides(dictionary* p_dictionary);
+
+#endif // NX_CONFIG_H

ISLE/switch/filesys.cpp

@@ -0,0 +1,30 @@
+#include <cstdio>
+#include <sys/stat.h>
+
+#include "filesys.h"
+
+bool NX_GetPathInfo(const char *path, SDL_PathInfo *info)
+{
+    struct stat st_info;
+    if (stat(path, &st_info) != 0)
+    {
+        if (info) info->type = SDL_PATHTYPE_NONE;
+        return false;
+    }
+
+    if (st_info.st_mode & S_IFDIR)
+    {
+        if (info)info->type = SDL_PATHTYPE_DIRECTORY;
+        return true;
+    }
+
+    if (info) info->type = SDL_PATHTYPE_FILE;
+    if (!info) return true;
+
+    auto *fp = fopen(path, "r");
+    fseek(fp, 0, SEEK_END);
+    if (info) info->size = ftell(fp);
+    fclose(fp);
+
+    return true;
+}

ISLE/switch/filesys.h

@@ -0,0 +1,10 @@
+#ifndef NX_FILESYS_H
+#define NX_FILESYS_H
+
+#include <SDL3/SDL_filesystem.h>
+
+#define SDL_GetPathInfo NX_GetPathInfo // Override broken SDL_GetPathInfo
+
+bool NX_GetPathInfo(const char *path, SDL_PathInfo *info);
+
+#endif // NX_FILESYS_H

miniwin/CMakeLists.txt

@@ -69,6 +69,12 @@ if(NOT (VITA OR WINDOWS_STORE))
   endif()
 endif()
 
+if(NINTENDO_SWITCH)
+  # Remove USE_OPENGL1 as incompatible.
+  # Remove everything else as not needed.
+  list(REMOVE_ITEM GRAPHICS_BACKENDS USE_SOFTWARE_RENDER USE_OPENGL1 USE_OPENGLES2) #USE_SDL_GPU
+endif()
+
 if(VITA)
   add_subdirectory(src/d3drm/backends/gxm/shaders)