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64 lines
2.1 KiB
64 lines
2.1 KiB
//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
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// STATIC: "SHADER_SRGB_READ" "0..1" [XBOX]
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// STATIC: "SHADER_SRGB_READ" "0..0" [PC]
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// STATIC: "SHADER_SRGB_READ" "0..0" [SONYPS3]
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// STATIC: "SHADOWDEPTH" "0..1"
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// STATIC: "ALPHATESTREF" "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] [CONSOLE]
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..0" [ps20]
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// SKIP: ( $ALPHATESTREF == 1 ) && ( $SHADOWDEPTH == 1 )
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#include "common_fog_ps_fxc.h"
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#include "common_ps_fxc.h"
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float4 g_FogParams : register( c0 );
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float4 g_EyePos : register( c1 );
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#if ( ALPHATESTREF )
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#define g_AlphaTestRef g_EyePos.w
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#endif
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// VS_OUTPUT in a common file.
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#define PIXELSHADER
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#include "common_splinerope_fxc.h"
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sampler BaseTextureSampler : register( s0 );
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sampler NormalSampler : register( s1 );
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float4_color_return_type main( PS_INPUT i ) : COLOR
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{
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#if ( SHADOWDEPTH == 0 )
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{
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float3 vNormalMapDir = tex2D( NormalSampler, i.texCoord.xy ).xyz; // Get the 3-vector from the normal map
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float4 textureColor = tex2Dsrgb( BaseTextureSampler, i.texCoord.xy );
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//Expand compacted vectors
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vNormalMapDir = ( vNormalMapDir - 0.5 ) * 2.0;
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float3 vLightDir = float3( 0.0f, 0.0f, 1.0f );
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float lightDirDotNormalMap = dot( vNormalMapDir, vLightDir ); //normalMap dot dirLightDir
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// do half-lambert on the dot
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lightDirDotNormalMap = lightDirDotNormalMap * 0.5 + 0.5;
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lightDirDotNormalMap = lightDirDotNormalMap * lightDirDotNormalMap;
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float4 resultColor;
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resultColor.xyz = lightDirDotNormalMap * ( textureColor.rgb * i.argbcolor.rgb );
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resultColor.a = textureColor.a * i.argbcolor.a;
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#if ( ALPHATESTREF )
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clip( resultColor.a - g_AlphaTestRef );
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#endif
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float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos.xyz, i.worldPos_projPosZ.xyz, i.worldPos_projPosZ.w );
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return FinalOutput( resultColor, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_LINEAR, (WRITE_DEPTH_TO_DESTALPHA != 0), i.worldPos_projPosZ.w );
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}
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#else
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{
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return float4_color_return_type( 0.0f, 0.0f, 0.0f, 1.0f );
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}
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#endif
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}
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