Added option to build Win32 GUI apps using console subsystem

Author: TheMostDiligent

CMakeLists.txt

@@ -11,6 +11,7 @@ endif()
 option(DILIGENT_NO_RENDER_STATE_PACKAGER "Do not build Render State Packager" OFF)
 option(DILIGENT_ENABLE_DRACO "Enable Draco compression support in GLTF loader" OFF)
 option(DILIGENT_USE_RAPIDJSON "Use rapidjson parser in GLTF loader" OFF)
+option(DILIGENT_BUILD_WIN32_GUI_AS_CONSOLE "Build Windows GUI applications using the console subsystem" OFF)
 
 # Clear the list
 set(DILIGENT_TOOLS_INSTALL_LIBS_LIST "" CACHE INTERNAL "Diligent tools libraries installation list")

NativeApp/CMakeLists.txt

@@ -17,9 +17,15 @@ if(PLATFORM_WIN32)
     set(INCLUDE
         include/Win32/Win32AppBase.hpp
     )
+    if (DILIGENT_BUILD_WIN32_GUI_AS_CONSOLE)
+        list(APPEND SOURCE src/Win32/main.cpp)
+    endif()
 
     function(add_win32_app TARGET_NAME SOURCE INCLUDE ASSETS)
-        add_executable(${TARGET_NAME} WIN32 ${SOURCE} ${INCLUDE} ${ASSETS})
+        add_executable(${TARGET_NAME} ${SOURCE} ${INCLUDE} ${ASSETS})
+        if(NOT DILIGENT_BUILD_WIN32_GUI_AS_CONSOLE)
+            set_target_properties(${TARGET_NAME} PROPERTIES WIN32_EXECUTABLE TRUE)
+        endif()
 
         if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
             # libmingw32 must be included BEFORE Diligent-NativeAppBase that contains the definition of WinMain.

NativeApp/src/Win32/main.cpp

@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2025 Diligent Graphics LLC
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence),
+ *  contract, or otherwise, unless required by applicable law (such as deliberate
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental,
+ *  or consequential damages of any character arising as a result of this License or
+ *  out of the use or inability to use the software (including but not limited to damages
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and
+ *  all other commercial damages or losses), even if such Contributor has been advised
+ *  of the possibility of such damages.
+ */
+
+#include <Windows.h>
+
+int WINAPI WinMain(_In_ HINSTANCE     hInstance,
+                   _In_opt_ HINSTANCE hPrevInstance,
+                   _In_ LPSTR         lpCmdLine,
+                   _In_ int           nShowCmd);
+
+int main(int argc, char* argv[])
+{
+    return WinMain(GetModuleHandle(nullptr), nullptr, GetCommandLineA(), SW_SHOWDEFAULT);
+}