Introducing cmake switches for audio (driver) backends: ASIO, Portaudio and Dummy

CMakeLists.txt

@@ -86,6 +86,18 @@ if( NOT DEFINED INSIDE_SCENE_DATA )
 endif( NOT DEFINED INSIDE_SCENE_DATA )
 
 
+# drivers
+if( NOT DEFINED ITA_VACORE_WITH_AUDIO_BACKEND_ASIO )
+	set( ITA_VACORE_WITH_AUDIO_BACKEND_ASIO ON CACHE BOOL "Build VACore with ASIO audio backend support" )
+endif( )
+if( NOT DEFINED ITA_VACORE_WITH_AUDIO_BACKEND_PORTAUDIO )
+	set( ITA_VACORE_WITH_AUDIO_BACKEND_PORTAUDIO ON CACHE BOOL "Build VACore with Portaudio audio backend support" )
+endif( )
+if( NOT DEFINED ITA_VACORE_WITH_AUDIO_BACKEND_DUMMY )
+	set( ITA_VACORE_WITH_AUDIO_BACKEND_DUMMY OFF CACHE BOOL "Build VACore with dummy audio backend support" )
+endif( )
+
+
 # Development
 if( NOT DEFINED ITA_VACORE_REPRODUCTION_NCTC_WITH_SWEET_SPOT_WIDENING )
 	set( ITA_VACORE_REPRODUCTION_NCTC_WITH_SWEET_SPOT_WIDENING ON CACHE BOOL "Crosstalk-Cancellation sweet spot widening (development)" )

src/Drivers/Audio/_SourceFiles.cmake

@@ -4,18 +4,23 @@ set( RelativeDir "src/Drivers/Audio" )
 set( RelativeSourceGroup "Source Files\\Drivers\\Audio" )
 
 set( DirFiles
-	VAASIOBackend.cpp
-	VAASIOBackend.h
 	VAAudioDriverBackend.cpp
 	VAAudioDriverBackend.h
 	VAAudioDriverConfig.cpp
 	VAAudioDriverConfig.h
-	#VADummyAudioDriverBackend.cpp
-	#VADummyAudioDriverBackend.h
-	VAPortaudioBackend.cpp
-	VAPortaudioBackend.h
 	_SourceFiles.cmake
 )
+
+if( ITA_VACORE_WITH_AUDIO_BACKEND_ASIO )
+	list( APPEND DirFiles VAASIOBackend.cpp VAASIOBackend.h )
+endif( )
+if( ITA_VACORE_WITH_AUDIO_BACKEND_PORTAUDIO )
+	list( APPEND DirFiles VAPortaudioBackend.cpp VAPortaudioBackend.h )
+endif( )
+if( ITA_VACORE_WITH_AUDIO_BACKEND_DUMMY )
+	list( APPEND DirFiles VADummyAudioDriverBackend.cpp VADummyAudioDriverBackend.h )
+endif( )
+
 set( DirFiles_SourceGroup "${RelativeSourceGroup}" )
 
 set( LocalSourceGroupFiles  )