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1 files changed, 33 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/portal_refract_ps11.fxc b/materialsystem/stdshaders/portal_refract_ps11.fxc
new file mode 100644
index 0000000..61f16a2
--- /dev/null
+++ b/materialsystem/stdshaders/portal_refract_ps11.fxc
@@ -0,0 +1,33 @@
+//========= Copyright � 1996-2007, Valve Corporation, All rights reserved. ============//
+
+// STATIC:  "STAGE"				"0..2"
+
+#include "common_ps_fxc.h"
+
+sampler g_tPortalColorSampler	: register( s0 );
+sampler g_tPortalMaskSampler	: register( s1 );
+
+const float3 g_vConst1			: register( c1 );
+#define g_flPortalOpenAmount   g_vConst1.x
+#define g_flPortalActive       g_vConst1.y
+#define g_flPortalColorScale   g_vConst1.z
+
+struct PS_INPUT
+{
+	float2 vUv0	: TEXCOORD0;
+	float2 vUv1	: TEXCOORD1;
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 result;
+
+	result.rgba = tex2D( g_tPortalColorSampler, i.vUv0.xy );
+	result.rgb *= g_flPortalColorScale + g_flPortalColorScale + g_flPortalColorScale + g_flPortalColorScale; // This is divided by 4 in C code
+
+	#if ( STAGE == 2 ) // Color layer
+		result.a += tex2D( g_tPortalMaskSampler, i.vUv1.xy ).a * ( 1.0f - g_flPortalActive );
+	#endif
+
+	return result;
+}