remove virtual IsSoftwareRenderer()

stepmania/src/RageDisplay.h

@@ -157,8 +157,6 @@ public:
 
 	virtual void Update(float fDeltaTime) { }
 
-	virtual bool IsSoftwareRenderer() = 0;
-
 	// Don't override this.  Override TryVideoMode() instead.
 	// This will set the video mode to be as close as possible to params.
 	// Return true if device was re-created and we need to reload textures.

stepmania/src/RageDisplay_D3D.cpp

@@ -337,11 +337,6 @@ void RageDisplay_D3D::Update(float fDeltaTime)
 #endif
 }
 
-bool RageDisplay_D3D::IsSoftwareRenderer()
-{
-	return false;
-}
-
 RageDisplay_D3D::~RageDisplay_D3D()
 {
 	LOG->Trace( "RageDisplay_D3D::~RageDisplay()" );

stepmania/src/RageDisplay_D3D.h

@@ -23,7 +23,6 @@ public:
 	~RageDisplay_D3D();
 	void Update(float fDeltaTime);
 
-	bool IsSoftwareRenderer();
 	void ResolutionChanged();
 	const PixelFormatDesc *GetPixelFormatDesc(PixelFormat pf) const;
 

stepmania/src/RageDisplay_Null.h

@@ -11,7 +11,6 @@ public:
 	RageDisplay_Null( VideoModeParams p );
 	void Update( float fDeltaTime ) { }
 
-	bool IsSoftwareRenderer() { return false; }
 	void ResolutionChanged() { }
 	const PixelFormatDesc *GetPixelFormatDesc(PixelFormat pf) const;