Reorganize platform-specific source files and split CMakeLists.txt into multiple directories to avoid future merge conflicts

Author: elijaharita

CMakeLists.txt

@@ -23,43 +23,31 @@ endif()
 # Auto detect platform if not manually set
 
 if(NOT ESD_WND_PLATFORM)
+
     if(WIN32)
         set(PLATFORM "Win32")
     elseif(UNIX AND NOT APPLE)
         set(PLATFORM "X11")
     else()
-        message(FATAL "Could not auto detect platform, it may be unimplemented")
+        message(FATAL_ERROR "Could not auto detect platform, it may be unimplemented")
     endif()
 
-    set(ESD_WND_PLATFORM PLATFORM CACHE STRING "Target Platform" FORCE)
-endif()
-
-# Choose platform specific implementation
+    set(ESD_WND_PLATFORM ${PLATFORM} CACHE STRING "Target Platform" FORCE)
 
-if(ESD_WND_PLATFORM STREQUAL "Win32")
-
-    message("Using Win32")
-    target_sources(eseed_window PRIVATE src/win32/window.cpp)
-    if(ESD_WND_ENABLE_VULKAN_SUPPORT)
-        target_sources(eseed_window PRIVATE src/win32/vulkanwindow.cpp)
-    endif()
+endif()
 
-elseif(ESD_WND_PLATFORM STREQUAL "X11")
+string(TOLOWER ${ESD_WND_PLATFORM} PLATFORM_DIR_NAME)
 
-    message("Using X11")
-    target_sources(eseed_window PRIVATE src/x11/window.cpp)
-    find_package(X11 REQUIRED)
-    target_link_libraries(eseed_window ${X11_LIBRARIES})
-    if(ESD_WND_ENABLE_VULKAN_SUPPORT)
-        target_sources(eseed_window PRIVATE src/x11/vulkanwindow.cpp)
-    endif()
-    
-else()
+# Choose platform specific implementation
 
-    message(FATAL "Unkown platform, it may have been typed incorrectly or is unimplemented")
+message("Using ${ESD_WND_PLATFORM}")
 
+if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/platforms/${PLATFORM_DIR_NAME}")
+    message(FATAL_ERROR "Unkown platform, it may have been typed incorrectly or is unimplemented")
 endif()
 
+add_subdirectory("platforms/${PLATFORM_DIR_NAME}")
+
 # Testing
 
 if(ESD_WND_BUILD_EXAMPLES)

platforms/win32/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.10)
+
+target_sources(eseed_window PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src/window.cpp")
+if(ESD_WND_ENABLE_VULKAN_SUPPORT)
+    target_sources(eseed_window PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src/vulkanwindow.cpp")
+endif()

src/win32/impl.hpp renamed to platforms/win32/src/impl.hpp

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.10)
+
+target_sources(eseed_window PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src/window.cpp")
+find_package(X11 REQUIRED)
+target_link_libraries(eseed_window ${X11_LIBRARIES})
+if(ESD_WND_ENABLE_VULKAN_SUPPORT)
+    target_sources(eseed_window PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src/vulkanwindow.cpp")
+endif()