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MariENB FROST 3.1.1b

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Marisa the Magician 2019-04-07 17:51:06 +02:00
commit 3ac87d62f3
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enbseries/enbadaptation.fx Normal file
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/*
enbadaptation.fx : MariENB3 eye adaptation shader.
(C)2016-2017 Marisa Kirisame, UnSX Team.
Part of MariENB3, the personal ENB of Marisa for Fallout 4.
Released under the GNU GPLv3 (or later).
*/
#include "menbglobaldefs.fx"
float4 AdaptationParameters;
Texture2D TextureCurrent;
Texture2D TexturePrevious;
SamplerState Sampler0
{
Filter = MIN_MAG_MIP_LINEAR;
AddressU = Clamp;
AddressV = Clamp;
};
struct VS_INPUT_POST
{
float3 pos : POSITION;
float2 txcoord : TEXCOORD0;
};
struct VS_OUTPUT_POST
{
float4 pos : SV_POSITION;
float2 txcoord0 : TEXCOORD0;
};
VS_OUTPUT_POST VS_Quad( VS_INPUT_POST IN )
{
VS_OUTPUT_POST OUT;
OUT.pos = float4(IN.pos.x,IN.pos.y,IN.pos.z,1.0);
OUT.txcoord0.xy = IN.txcoord.xy;
return OUT;
}
/* helper functions */
/* photometric */
#define luminance(x) dot(x,float3(0.2126,0.7152,0.0722))
/* CCIR601 */
//#define luminance(x) dot(x,float3(0.299,0.587,0.114))
float4 PS_Downsample( VS_OUTPUT_POST IN, float4 v0 : SV_Position0 ) : SV_Target
{
float2 coord = IN.txcoord0.xy;
float ssz = 1.0/16.0;
float4 res = float4(0,0,0,0);
int x, y;
[unroll] for ( y=-8; y<8; y++ ) [unroll] for ( x=-8; x<8; x++ )
res += TextureCurrent.Sample(Sampler0,coord+float2(x,y)*ssz);
res /= 256.0;
res = luminance(res.rgb);
res.w = 1.0;
return res;
}
float4 PS_Adaptation(VS_OUTPUT_POST IN, float4 v0 : SV_Position0) : SV_Target
{
float2 coord = IN.txcoord0.xy;
float prev = TexturePrevious.Sample(Sampler0,coord).x;
float ssz = 1.0/16.0;
float4 res = float4(0,0,0,0);
float smpmax = 0.0, smp;
int x, y;
[unroll] for ( y=-8; y<8; y++ ) [unroll] for ( x=-8; x<8; x++ )
{
smp = TextureCurrent.Sample(Sampler0,coord+float2(x,y)*ssz).x;
smpmax = max(smpmax,smp);
res += smp;
}
res /= 256.0;
res = lerp(res,smpmax,AdaptationParameters.z);
res = lerp(prev,res,AdaptationParameters.w);
res = clamp(res,0.0,16384.0);
float vclip = clamp(res.x,AdaptationParameters.x,
AdaptationParameters.y);
res *= vclip/(res+0.000000001);
res.w = 1.0;
return res;
}
technique11 Downsample
{
pass p0
{
SetVertexShader(CompileShader(vs_5_0,VS_Quad()));
SetPixelShader(CompileShader(ps_5_0,PS_Downsample()));
}
}
technique11 Draw
{
pass p0
{
SetVertexShader(CompileShader(vs_5_0,VS_Quad()));
SetPixelShader(CompileShader(ps_5_0,PS_Adaptation()));
}
}