40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
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//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
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//paired with vertexlit_and_unlit_generic_vs##
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#include "common_fog_ps_fxc.h"
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..1" [ps20b] [PC]
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..1" [ps30] [PC]
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..0" [ps20b] [XBOX]
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#if defined( SHADER_MODEL_PS_2_0 )
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#define WRITE_DEPTH_TO_DESTALPHA 0
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#endif
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#include "common_ps_fxc.h"
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#include "shader_constant_register_map.h"
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sampler BaseTextureSampler : register( s0 );
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const float4 g_WhiteGrayMix : register( c0 );
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const float4 g_FogParams : register( PSREG_FOG_PARAMS );
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const float4 g_EyePos_SpecExponent : register( PSREG_EYEPOS_SPEC_EXPONENT );
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struct PS_INPUT
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{
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float2 vTexCoord0 : TEXCOORD0;
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float4 vColor : COLOR0;
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float4 worldPos_projPosZ : TEXCOORD7; // Necessary for pixel fog
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};
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float4 main( PS_INPUT i ) : COLOR
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{
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float4 textureColor = tex2D( BaseTextureSampler, i.vTexCoord0 );
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float4 resultColor = saturate( textureColor * i.vColor );
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resultColor.rgb = lerp( g_WhiteGrayMix.rgb, resultColor.rgb, resultColor.a );
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float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.xyz, i.worldPos_projPosZ.xyz, i.worldPos_projPosZ.w );
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return FinalOutput( resultColor, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_NONE, (WRITE_DEPTH_TO_DESTALPHA != 0), i.worldPos_projPosZ.w );
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}
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