Remove gnCreateWindowSurface, add platform specific window creation

functions

rendering_api/vulkan/CMakeLists.txt

@@ -5,31 +5,47 @@ file(GLOB_RECURSE SOURCE_FILES CONFIGURE_DEPENDS
     "src/*.cpp" "src/*.hpp"
     "src/*.c" "src/*.h"
 )
-add_library(GryphnVulkanImpl SHARED ${SOURCE_FILES})
+
+if (APPLE)
+    file(GLOB_RECURSE METAL_FILES CONFIGURE_DEPENDS
+    "src/*.mm"
+)
+endif()
+
+add_library(GryphnVulkanImpl SHARED ${SOURCE_FILES} ${METAL_FILES})
 target_include_directories(GryphnVulkanImpl PUBLIC
     ${CMAKE_SOURCE_DIR}/gryphn/include/
     ${CMAKE_SOURCE_DIR}/gryphn/src/
     ${CMAKE_SOURCE_DIR}/gryphn/src/
-    ${CMAKE_SOURCE_DIR}/depends/glfw/glfw-3.4/include/
     src/
     /Applications/vulkansdk/macOS/include/
 )
 add_compile_definitions(GN_REVEAL_IMPL)
 
-add_library(glfw SHARED IMPORTED)
-set_target_properties(glfw PROPERTIES IMPORTED_LOCATION ${CMAKE_SOURCE_DIR}/build/depends/glfw/glfw-3.4/src/libglfw.3.4.dylib)
-
 add_library(libvulkan SHARED IMPORTED)
 set_target_properties(libvulkan PROPERTIES IMPORTED_LOCATION /Applications/vulkansdk/macOS/lib/libvulkan.dylib)
 
-target_link_libraries(GryphnVulkanImpl glfw libvulkan)
+target_link_libraries(GryphnVulkanImpl libvulkan)
 
-target_link_libraries(GryphnVulkanImpl
-    "-framework IOKit"
-    "-framework CoreFoundation"
-    "-framework CoreGraphics"
-    "-framework AppKit"
-)
+if(WIN32)
+    add_compile_definitions(GN_PLATFORM_WIN32)
+endif()
+if(APPLE)
+
+    target_link_libraries(GryphnVulkanImpl
+        "-framework IOKit"
+        "-framework CoreFoundation"
+        "-framework CoreGraphics"
+        "-framework AppKit"
+        "-framework Metal"
+        "-framework QuartzCore"
+    )
+
+    add_compile_definitions(GN_PLATFORM_MACOS)
+endif()
+if(UNIX AND NOT APPLE)
+    add_compile_definitions(GN_PLATFORM_LINUX)
+endif()
 
 file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/gryphn/rendering_apis)
 add_custom_command(TARGET GryphnVulkanImpl POST_BUILD