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48 lines
1.6 KiB
48 lines
1.6 KiB
//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. ======= |
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// |
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// Purpose: |
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// |
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//============================================================================= |
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// STATIC: "CONVERT_TO_SRGB" "0..1" [ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC] |
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// STATIC: "CONVERT_TO_SRGB" "0..1" [ps30][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC] |
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// STATIC: "CONVERT_TO_SRGB" "0..0" [= 0] [XBOX] |
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// DYNAMIC: "PIXELFOGTYPE" "0..1" |
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..1" [ps20b] [PC] |
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..0" [ps20b] [XBOX] |
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..1" [ps30] |
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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_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 baseTexCoord : TEXCOORD0; |
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float3 vertAtten : TEXCOORD1; |
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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 baseSample = tex2D( BaseTextureSampler, i.baseTexCoord ); |
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float4 result; |
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result.xyz = baseSample.xyz * i.vertAtten; |
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result.a = baseSample.a; |
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float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.z, i.worldPos_projPosZ.z, i.worldPos_projPosZ.w ); |
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return FinalOutput( result, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_LINEAR, (WRITE_DEPTH_TO_DESTALPHA != 0), i.worldPos_projPosZ.w ); |
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}
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