add macos workflow, fix filesystem_async max thread count

bitmap/ImageByteSwap.cpp

@@ -88,14 +88,7 @@ namespace ImageLoader
 
 		Assert( IsFormatValidForConversion( imageFormat ) );
 
-#if !defined( DX_TO_GL_ABSTRACTION ) && !defined( NO_X360_XDK )
-		if ( IsPC() )
-		{
-			// running as a win32 tool, data is in expected order
-			// for conversion code
-			return;
-		}
-
+#ifdef _X360
 		// running on 360 and converting, input data must be x86 order
 		// swap to ensure conversion code gets valid data
 		XGENDIANTYPE xEndian;
@@ -137,7 +130,7 @@ namespace ImageLoader
 	{
 		Assert( IsFormatValidForConversion( imageFormat ) );
 
-#if !defined( DX_TO_GL_ABSTRACTION ) && !defined( NO_X360_XDK )
+#ifdef _X360
 		// It would have been nice to use the 360 D3DFORMAT bit encodings, but the codes
 		// are different for win32, and this routine is used by a win32 library to
 		// manipulate 360 data, so there can be no reliance on D3DFORMAT bits
@@ -201,7 +194,7 @@ namespace ImageLoader
 	{
 		Assert( IsFormatValidForConversion( imageFormat ) );
 
-#if !defined( DX_TO_GL_ABSTRACTION ) && !defined( NO_X360_XDK )
+#ifdef _X360
 		XGENDIANTYPE xEndian;
 		switch ( imageFormat )
 		{
@@ -256,5 +249,4 @@ namespace ImageLoader
 		}
 #endif
 	}
-	
 }

bitmap/imageformat.cpp

@@ -288,13 +288,11 @@ int GetNumMipMapLevels( int width, int height, int depth )
 // Turn off warning about FOURCC formats below...
 #pragma warning (disable:4063)
 
-#ifdef DX_TO_GL_ABSTRACTION
 #ifndef MAKEFOURCC
 #define MAKEFOURCC(ch0, ch1, ch2, ch3)                              \
 	((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) |   \
 	((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24 ))
 #endif //defined(MAKEFOURCC)
-#endif	
 //-----------------------------------------------------------------------------
 // convert back and forth from D3D format to ImageFormat, regardless of
 // whether it's supported or not