Build for a Windows 8.1 minimum

.github/workflows/main.yml

@@ -59,6 +59,12 @@ jobs:
           - os: windows-2022
             build_type: arm64ec-Release
             arch: amd64_arm64
+          - os: windows-2022
+            build_type: x64-Debug-Win8
+            arch: amd64
+          - os: windows-2022
+            build_type: x64-Release-Win8
+            arch: amd64
           - os: windows-2022
             build_type: x64-Debug-Clang
             arch: amd64

CMakeLists.txt

@@ -284,8 +284,8 @@ if(WIN32)
     elseif(${DIRECTX_ARCH} MATCHES "^arm")
         set(WINVER 0x0602)
     else()
-        message(STATUS "Building with Windows 7 compatibility")
-        set(WINVER 0x0601)
+        message(STATUS "Building with Windows 8.1 compatibility")
+        set(WINVER 0x0603)
     endif()
 
     foreach(t IN LISTS TOOL_EXES ITEMS ${PROJECT_NAME})

CMakePresets.json

@@ -118,7 +118,7 @@
     },
 
     {
-      "name": "Win7",
+      "name": "Win8",
       "cacheVariables": {
         "BUILD_DX12": false
       },
@@ -237,10 +237,10 @@
     { "name": "arm64-Debug-UWP"  , "description": "MSVC for ARM64 (Debug) for UWP", "inherits": [ "base", "ARM64", "Debug", "MSVC", "UWP" ] },
     { "name": "arm64-Release-UWP", "description": "MSVC for ARM64 (Release) for UWP", "inherits": [ "base", "ARM64", "Release", "MSVC", "UWP" ] },
 
-    { "name": "x64-Debug-Win7"    , "description": "MSVC for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "MSVC", "Win7" ] },
-    { "name": "x64-Release-Win7"  , "description": "MSVC for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "MSVC", "Win7" ] },
-    { "name": "x86-Debug-Win7"    , "description": "MSVC for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "MSVC", "Win7" ] },
-    { "name": "x86-Release-Win7"  , "description": "MSVC for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "MSVC", "Win7" ] },
+    { "name": "x64-Debug-Win8"    , "description": "MSVC for x64 (Debug) for Windows 8.1", "inherits": [ "base", "x64", "Debug", "MSVC", "Win8" ] },
+    { "name": "x64-Release-Win8"  , "description": "MSVC for x64 (Release) for Windows 8.1", "inherits": [ "base", "x64", "Release", "MSVC", "Win8" ] },
+    { "name": "x86-Debug-Win8"    , "description": "MSVC for x86 (Debug) for Windows 8.1", "inherits": [ "base", "x86", "Debug", "MSVC", "Win8" ] },
+    { "name": "x86-Release-Win8"  , "description": "MSVC for x86 (Release) for Windows 8.1", "inherits": [ "base", "x86", "Release", "MSVC", "Win8" ] },
 
     { "name": "x64-Debug-Scarlett"    , "description": "MSVC for x64 (Debug) for Xbox Series X|S", "inherits": [ "base", "x64", "Debug", "MSVC", "Scarlett" ] },
     { "name": "x64-Release-Scarlett"  , "description": "MSVC for x64 (Release) for Xbox Series X|S", "inherits": [ "base", "x64", "Release", "MSVC", "Scarlett" ] },
@@ -278,10 +278,10 @@
     { "name": "arm64-Debug-UWP-Clang"  , "description": "Clang/LLVM for AArch64 (Debug) for UWP", "inherits": [ "base", "ARM64", "Debug", "Clang", "Clang-AArch64", "UWP" ] },
     { "name": "arm64-Release-UWP-Clang", "description": "Clang/LLVM for AArch64 (Release) for UWP", "inherits": [ "base", "ARM64", "Release", "Clang", "Clang-AArch64", "UWP" ] },
 
-    { "name": "x64-Debug-Win7-Clang"    , "description": "Clang/LLVM for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "Clang", "Win7" ] },
-    { "name": "x64-Release-Win7-Clang"  , "description": "Clang/LLVM for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "Clang", "Win7" ] },
-    { "name": "x86-Debug-Win7-Clang"    , "description": "Clang/LLVM for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "Clang", "Clang-X86", "Win7" ] },
-    { "name": "x86-Release-Win7-Clang"  , "description": "Clang/LLVM for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "Clang", "Clang-X86", "Win7" ] },
+    { "name": "x64-Debug-Win8-Clang"    , "description": "Clang/LLVM for x64 (Debug) for Windows 8.1", "inherits": [ "base", "x64", "Debug", "Clang", "Win8" ] },
+    { "name": "x64-Release-Win8-Clang"  , "description": "Clang/LLVM for x64 (Release) for Windows 8.1", "inherits": [ "base", "x64", "Release", "Clang", "Win8" ] },
+    { "name": "x86-Debug-Win8-Clang"    , "description": "Clang/LLVM for x86 (Debug) for Windows 8.1", "inherits": [ "base", "x86", "Debug", "Clang", "Clang-X86", "Win8" ] },
+    { "name": "x86-Release-Win8-Clang"  , "description": "Clang/LLVM for x86 (Release) for Windows 8.1", "inherits": [ "base", "x86", "Release", "Clang", "Clang-X86", "Win8" ] },
 
     { "name": "x64-Debug-Scarlett-Clang"  , "description": "Clang/LLVM for x64 (Debug) for Xbox Series X|S", "inherits": [ "base", "x64", "Debug", "Clang", "Scarlett" ] },
     { "name": "x64-Release-Scarlett-Clang", "description": "Clang/LLVM for x64 (Release) for Xbox Series X|S", "inherits": [ "base", "x64", "Release", "Clang", "Scarlett" ] },

DirectXMesh/DirectXMesh_Desktop_2019.vcxproj

@@ -138,7 +138,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -163,7 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -188,7 +188,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -212,7 +212,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -238,7 +238,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -262,7 +262,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>

DirectXMesh/DirectXMesh_Desktop_2022.vcxproj

@@ -138,7 +138,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -163,7 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -188,7 +188,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -212,7 +212,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -238,7 +238,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -262,7 +262,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>

Meshconvert/Mesh.cpp

@@ -1073,13 +1073,10 @@ HRESULT Mesh::ExportToVBO(const wchar_t* szFileName) const noexcept
     }
 
     // Write header and data
-#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
-    ScopedHandle hFile(safe_handle(CreateFile2(szFileName,
-        GENERIC_WRITE, 0, CREATE_ALWAYS, nullptr)));
-#else
-    ScopedHandle hFile(safe_handle(CreateFileW(szFileName,
-        GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr)));
-#endif
+    ScopedHandle hFile(safe_handle(CreateFile2(
+        szFileName,
+        GENERIC_WRITE, 0, CREATE_ALWAYS,
+        nullptr)));
     if (!hFile)
         return HRESULT_FROM_WIN32(GetLastError());
 
@@ -1119,11 +1116,10 @@ HRESULT Mesh::CreateFromVBO(const wchar_t* szFileName, std::unique_ptr<Mesh>& re
 
     result.reset();
 
-#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
-    ScopedHandle hFile(safe_handle(CreateFile2(szFileName, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr)));
-#else
-    ScopedHandle hFile(safe_handle(CreateFileW(szFileName, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr)));
-#endif
+    ScopedHandle hFile(safe_handle(CreateFile2(
+        szFileName,
+        GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING,
+        nullptr)));
     if (!hFile)
     {
         return HRESULT_FROM_WIN32(GetLastError());
@@ -1480,13 +1476,10 @@ HRESULT Mesh::ExportToCMO(const wchar_t* szFileName, size_t nMaterials, const Ma
     }
 
     // Create CMO file
-#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
-    ScopedHandle hFile(safe_handle(CreateFile2(szFileName,
-        GENERIC_WRITE, 0, CREATE_ALWAYS, nullptr)));
-#else
-    ScopedHandle hFile(safe_handle(CreateFileW(szFileName,
-        GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr)));
-#endif
+    ScopedHandle hFile(safe_handle(CreateFile2(
+        szFileName,
+        GENERIC_WRITE, 0, CREATE_ALWAYS,
+        nullptr)));
     if (!hFile)
         return HRESULT_FROM_WIN32(GetLastError());
 
@@ -2264,13 +2257,10 @@ HRESULT Mesh::ExportToSDKMESH(const wchar_t* szFileName,
     }
 
     // Create file
-#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
-    ScopedHandle hFile(safe_handle(CreateFile2(szFileName,
-        GENERIC_WRITE, 0, CREATE_ALWAYS, nullptr)));
-#else
-    ScopedHandle hFile(safe_handle(CreateFileW(szFileName,
-        GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr)));
-#endif
+    ScopedHandle hFile(safe_handle(CreateFile2(
+        szFileName,
+        GENERIC_WRITE, 0, CREATE_ALWAYS,
+        nullptr)));
     if (!hFile)
         return HRESULT_FROM_WIN32(GetLastError());