source-engine/materialsystem/stdshaders/volumetricfog.cpp

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Header: $
// $NoKeywords: $
//=============================================================================//
#include "shaderlib/cshader.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
BEGIN_SHADER( VolumetricFog, "Help for VolumetricFog" )
BEGIN_SHADER_PARAMS
END_SHADER_PARAMS
SHADER_INIT
{
}
SHADER_DRAW
{
SHADOW_STATE
{
pShaderShadow->DepthFunc( SHADER_DEPTHFUNC_NEAREROREQUAL );
pShaderShadow->EnableDepthWrites( false );
pShaderShadow->BlendFunc( SHADER_BLEND_ONE, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
pShaderShadow->EnableBlending( true );
pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | SHADER_DRAW_COLOR );
}
DYNAMIC_STATE
{
}
Draw();
}
END_SHADER