improved lots of stuff

public/materialsystem/imaterialsystem.h

@@ -1,6 +1,7 @@
 #ifndef MATERIAL_SYSTEM_H
 #define MATERIAL_SYSTEM_H
 
+#include "iappsystem.h"
 #include "tier0/platform.h"
 
 
@@ -62,9 +63,10 @@ abstract_class IImage : public IRenderingObject
 public:
 	virtual void BlitTo( IImage *pImage );
 };
-abstract_class IRenderContext
+abstract_class IRenderContext: public IAppSystem
 {
 public:
+
 	virtual IVertexBuffer *CreateVertexBuffer( uint32_t nSize ) = 0;
 	virtual IIndexBuffer *CreateIndexBuffer( uint32_t nSize ) = 0;
 	virtual IImage *CreateRenderTarget( uint32_t x, uint32_t y, EImageFormat eFormat, EMultisampleType eMultisampleType );
@@ -74,9 +76,13 @@ public:
 	virtual void DestroyImage( IImage *pImage );
 };
 
-abstract_class IMaterialSystem
+abstract_class IMaterialSystem: public IAppSystem
 {
 public:
+	virtual void Init();
+	virtual void Frame( float fTime );
+	virtual void Shutdown();
+
 	IRenderContext *GetRenderContext();
 };