source-engine/materialsystem/stdshaders/bik_ps2x.fxc

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2020-04-22 16:56:21 +00:00
// DYNAMIC: "PIXELFOGTYPE" "0..1"
// STATIC: "CONVERT_TO_SRGB" "0..1" [ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
// STATIC: "CONVERT_TO_SRGB" "0..0" [= 0] [XBOX]
#include "common_ps_fxc.h"
#include "shader_constant_register_map.h"
const float4 g_FogParams : register( PSREG_FOG_PARAMS );
const float4 g_EyePos_SpecExponent : register( PSREG_EYEPOS_SPEC_EXPONENT );
sampler YTextureSampler : register( s0 );
sampler cRTextureSampler : register( s1 );
sampler cBTextureSampler : register( s2 );
//sampler ATextureSampler : register( s3 );
struct PS_INPUT
{
HALF2 baseTexCoord : TEXCOORD0;
HALF4 worldPos_projPosZ : TEXCOORD1;
float4 fogFactorW : COLOR1;
};
#if 0
static float yuvtorgb[] =
{
1.164123535f, 1.595794678f, 0.0f, -0.87065506f,
1.164123535f, -0.813476563f, -0.391448975f, 0.529705048f,
1.164123535f, 0.0f, 2.017822266f, -1.081668854f,
1.0f, 0.0f, 0.0f, 0.0f
};
" sampler tex0 : register( s0 ); "
" sampler tex1 : register( s1 ); "
" sampler tex2 : register( s2 ); "
" sampler tex3 : register( s3 ); "
" float4 tor : register( c0 ); "
" float4 tog : register( c1 ); "
" float4 tob : register( c2 ); "
" float4 consts : register( c3 ); "
" "
" struct VS_OUT "
" { "
" float2 T0: TEXCOORD0; "
" }; "
" "
" float4 main( VS_OUT In ) : COLOR "
" { "
" float4 c; "
" float4 p; "
" c.x = tex2D( tex0, In.T0 ).x; "
" c.y = tex2D( tex1, In.T0 ).x; "
" c.z = tex2D( tex2, In.T0 ).x; "
" c.w = consts.x; "
" p.w = tex2D( tex3, In.T0 ).x; "
" p.x = dot( tor, c ); "
" p.y = dot( tog, c ); "
" p.z = dot( tob, c ); "
" p.w *= consts.w; "
" return p; "
" } ";
#endif
float4 main( PS_INPUT i ) : COLOR
{
half y, cR, cB;
y = tex2D( YTextureSampler, i.baseTexCoord.xy );
cR = tex2D( cRTextureSampler, i.baseTexCoord.xy );
cB = tex2D( cBTextureSampler, i.baseTexCoord.xy );
// half a = tex2D( ATextureSampler, i.baseTexCoord.xy );
HALF4 c;
c = float4( y, cR, cB, 1.0f );
float4 tor = float4( 1.164123535f, 1.595794678f, 0.0f, -0.87065506f );
float4 tog = float4( 1.164123535f, -0.813476563f, -0.391448975f, 0.529705048f );
float4 tob = float4( 1.164123535f, 0.0f, 2.017822266f, -1.081668854f );
HALF4 rgba;
rgba.r = dot( c, tor );
rgba.g = dot( c, tog );
rgba.b = dot( c, tob );
rgba.a = 1.0f;
float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.z, i.worldPos_projPosZ.z, i.worldPos_projPosZ.w );
float4 result = FinalOutput( rgba, fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_NONE );
// The 360 will do an sRGB write to put the linear values into 360 gamma space, but the PC just outputs gamma values directly
#if defined( _X360 )
result.r = SrgbGammaToLinear( result.r );
result.g = SrgbGammaToLinear( result.g );
result.b = SrgbGammaToLinear( result.b );
#endif
return result.rgba;
}