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materialsystem/stdshaders/BufferClearObeyStencil_dx6.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Clears color/depth, but obeys stencil while doing so
+//
+// $Header: $
+// $NoKeywords: $
+//=============================================================================//
+
+#include "shaderlib/cshader.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( BufferClearObeyStencil, BufferClearObeyStencil_DX6 )
+
+BEGIN_SHADER_FLAGS( BufferClearObeyStencil_DX6, "Help for BufferClearObeyStencil_DX6", SHADER_NOT_EDITABLE )
+
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( CLEARCOLOR, SHADER_PARAM_TYPE_INTEGER, "1", "activates clearing of color" )
+		SHADER_PARAM( CLEARDEPTH, SHADER_PARAM_TYPE_INTEGER, "1", "activates clearing of depth" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+	}
+
+	SHADER_INIT
+	{
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->DepthFunc( SHADER_DEPTHFUNC_ALWAYS );
+			bool bEnableDepthWrites = params[CLEARDEPTH]->GetIntValue() != 0;
+			pShaderShadow->EnableDepthWrites( bEnableDepthWrites );
+			bool bEnableColorWrites = params[CLEARCOLOR]->GetIntValue() != 0;
+			pShaderShadow->EnableColorWrites( bEnableColorWrites );
+			pShaderShadow->EnableAlphaWrites( bEnableColorWrites );
+
+			pShaderShadow->DrawFlags( SHADER_DRAW_POSITION | SHADER_DRAW_COLOR );
+
+			DisableFog();
+		}
+		DYNAMIC_STATE
+		{
+		}
+		Draw( );
+	}
+END_SHADER