//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: A shader that builds the shadow using render-to-texture
//
// $Header: $
// $NoKeywords: $
//=============================================================================//

#include "shaderlib/cshader.h"

// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"

DEFINE_FALLBACK_SHADER( ShadowBuild, ShadowBuild_DX6 )

BEGIN_SHADER_FLAGS( ShadowBuild_DX6, "Help for ShadowBuild", SHADER_NOT_EDITABLE )
	BEGIN_SHADER_PARAMS
	END_SHADER_PARAMS

	SHADER_INIT_PARAMS()
	{
	}

	SHADER_INIT
	{
	}

	SHADER_DRAW
	{
		SHADOW_STATE
		{
			pShaderShadow->EnableAlphaWrites( true );
			pShaderShadow->EnableConstantColor( true );
			pShaderShadow->EnableConstantAlpha( true );
			pShaderShadow->EnableDepthWrites( false );
			pShaderShadow->EnableDepthTest( false );
			pShaderShadow->DrawFlags( SHADER_DRAW_POSITION );
			FogToGrey();
		}
		DYNAMIC_STATE
		{
		}
		Draw( );
	}
END_SHADER