54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
|
|
|
|
// STATIC: "VERTEXCOLOR" "0..1"
|
|
// STATIC: "CONSTANTCOLOR" "0..1"
|
|
// STATIC: "HDRTYPE" "0..2"
|
|
// STATIC: "SRGB" "0..1"
|
|
|
|
// DYNAMIC: "HDRENABLED" "0..1"
|
|
#include "common_fog_ps_fxc.h"
|
|
|
|
#include "common_ps_fxc.h"
|
|
#include "shader_constant_register_map.h"
|
|
|
|
const HALF4 g_Color : register( c0 );
|
|
const float g_HDRColorScale : register( c1 );
|
|
|
|
const float4 g_FogParams : register( PSREG_FOG_PARAMS );
|
|
const float4 g_EyePos_SpecExponent : register( PSREG_EYEPOS_SPEC_EXPONENT );
|
|
|
|
sampler TexSampler : register( s0 );
|
|
|
|
struct PS_INPUT
|
|
{
|
|
HALF2 baseTexCoord : TEXCOORD0; // Base texture coordinate
|
|
float4 color : TEXCOORD2; // Vertex color (from lighting or unlit)
|
|
|
|
float4 worldPos_projPosZ : TEXCOORD7; // Necessary for pixel fog
|
|
};
|
|
|
|
float4 main( PS_INPUT i ) : COLOR
|
|
{
|
|
float4 sample = tex2D( TexSampler, i.baseTexCoord );
|
|
|
|
#if VERTEXCOLOR
|
|
sample *= i.color;
|
|
#endif
|
|
|
|
#if CONSTANTCOLOR
|
|
sample *= g_Color;
|
|
#endif
|
|
|
|
#if HDRTYPE && HDRENABLED
|
|
sample.xyz *= g_HDRColorScale;
|
|
#endif
|
|
|
|
float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.xyz, i.worldPos_projPosZ.xyz, i.worldPos_projPosZ.w );
|
|
#if SRGB
|
|
return FinalOutput( sample, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_LINEAR );
|
|
#else
|
|
return FinalOutput( sample, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_GAMMA );
|
|
#endif
|
|
}
|
|
|