First version of the SOurce SDK 2013

game/client/ScreenSpaceEffects.h

@@ -0,0 +1,88 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=====================================================================================//
+
+#ifndef SCREENSPACEEFFECTS_H
+#define SCREENSPACEEFFECTS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+class KeyValues;
+
+
+//------------------------------------------------------------------------------
+// Simple base class for screen space post-processing effects
+//------------------------------------------------------------------------------
+abstract_class IScreenSpaceEffect
+{
+public:
+
+	virtual void Init( ) = 0;
+	virtual void Shutdown( ) = 0;
+
+	virtual void SetParameters( KeyValues *params ) = 0;
+
+	virtual void Render( int x, int y, int w, int h ) = 0;
+
+	virtual void Enable( bool bEnable ) = 0;
+	virtual bool IsEnabled( ) = 0;
+};
+
+
+//------------------------------------------------------------------------------
+// Interface class for managing screen space post-processing effects
+//------------------------------------------------------------------------------
+abstract_class IScreenSpaceEffectManager
+{
+public:
+
+	virtual void InitScreenSpaceEffects( ) = 0;
+	virtual void ShutdownScreenSpaceEffects( ) = 0;
+
+	virtual IScreenSpaceEffect *GetScreenSpaceEffect( const char *pEffectName ) = 0;
+
+	virtual void SetScreenSpaceEffectParams( const char *pEffectName, KeyValues *params ) = 0;
+	virtual void SetScreenSpaceEffectParams( IScreenSpaceEffect *pEffect, KeyValues *params ) = 0;
+    
+	virtual void EnableScreenSpaceEffect( const char *pEffectName ) = 0;
+	virtual void EnableScreenSpaceEffect( IScreenSpaceEffect *pEffect ) = 0;
+
+	virtual void DisableScreenSpaceEffect( const char *pEffectName ) = 0;
+	virtual void DisableScreenSpaceEffect( IScreenSpaceEffect *pEffect ) = 0;
+
+	virtual void DisableAllScreenSpaceEffects( ) = 0;
+
+	virtual void RenderEffects( int x, int y, int w, int h ) = 0;
+};
+
+extern IScreenSpaceEffectManager *g_pScreenSpaceEffects;
+
+
+//-------------------------------------------------------------------------------------
+// Registration class for adding screen space effects to the IScreenSpaceEffectManager
+//-------------------------------------------------------------------------------------
+class CScreenSpaceEffectRegistration
+{
+public:
+	CScreenSpaceEffectRegistration( const char *pName, IScreenSpaceEffect *pEffect );
+
+	const char			*m_pEffectName;
+	IScreenSpaceEffect	*m_pEffect;
+
+	CScreenSpaceEffectRegistration *m_pNext;
+
+	static CScreenSpaceEffectRegistration *s_pHead;
+};
+
+#define ADD_SCREENSPACE_EFFECT( CEffect, pEffectName )			CEffect pEffectName##_effect;														\
+																CScreenSpaceEffectRegistration pEffectName##_reg( #pEffectName, &pEffectName##_effect );	
+
+
+
+#endif