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33 lines
895 B
33 lines
895 B
//========= Copyright © 1996-2007, Valve Corporation, All rights reserved. ============// |
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// STATIC: "STAGE" "0..2" |
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#include "common_ps_fxc.h" |
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sampler g_tPortalColorSampler : register( s0 ); |
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sampler g_tPortalMaskSampler : register( s1 ); |
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const float3 g_vConst1 : register( c1 ); |
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#define g_flPortalOpenAmount g_vConst1.x |
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#define g_flPortalActive g_vConst1.y |
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#define g_flPortalColorScale g_vConst1.z |
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struct PS_INPUT |
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{ |
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float2 vUv0 : TEXCOORD0; |
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float2 vUv1 : TEXCOORD1; |
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}; |
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float4 main( PS_INPUT i ) : COLOR |
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{ |
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float4 result; |
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result.rgba = tex2D( g_tPortalColorSampler, i.vUv0.xy ); |
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result.rgb *= g_flPortalColorScale + g_flPortalColorScale + g_flPortalColorScale + g_flPortalColorScale; // This is divided by 4 in C code |
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#if ( STAGE == 2 ) // Color layer |
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result.a += tex2D( g_tPortalMaskSampler, i.vUv1.xy ).a * ( 1.0f - g_flPortalActive ); |
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#endif |
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return result; |
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}
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