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Update crt-pocket.slang (#463)

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crt/shaders/crt-pocket.slang
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@ -1,96 +1,90 @@
#version 450
layout(push_constant) uniform Push
{
float SHARPNESSX,SHARPNESSY,WARPX,WARPY,CORNER_ROUND,BORDER,SHADOWMASK,MASKLOW,MASKHIGH,DOTMASK_STRENGTH,
MASKDARK,MASKLIGHT,GAMMAIN,GAMMAOUT,SAT,SCANLOW,SCANHIGH,MINSCAN,VIGNETTE,VPOWER,VSTR,TEMP,SEGA,
BLACK,GLOW,SIZE,quality,nois,BGR,INTERLACE;
} params;
// Parameter lines go here:
#pragma parameter SHARPNESSX " Horizontal Sharpness" 0.25 0.0 1.0 0.05
#pragma parameter SHARPNESSY " Vertical Sharpness" 0.7 0.0 1.0 0.05
#pragma parameter WARPX "Curvature Horizontal" 0.03 0.0 0.2 0.01
#pragma parameter WARPY "Curvature Vertical" 0.05 0.0 0.2 0.01
#pragma parameter CORNER_ROUND "Corner Roundness" 0.02 0.005 0.2 0.01
#pragma parameter BORDER "Border Smoothness" 400.0 100.0 1000.0 25.0
#pragma parameter INTERLACE "Interlace On/Off" 1.0 0.0 1.0 1.0
#pragma parameter SCANLOW " Scanline Low Brightness" 0.15 0.01 1.0 0.05
#pragma parameter SCANHIGH " Scanline High Brightness" 0.20 0.01 1.0 0.05
#pragma parameter MINSCAN " Scanline Min Brightness" 0.04 0.01 1.0 0.01
#pragma parameter SHADOWMASK "Mask Type, CGWG, Lottes 1-4" 5.0 -1.0 5.0 1.0
#pragma parameter BGR "RGB/BGR subpixels" 1.0 0.0 1.0 1.0
#pragma parameter MASKLOW "Mask Strength Low" 1.0 0.0 1.0 0.05
#pragma parameter MASKHIGH "Mask Strength High" 0.75 0.0 1.0 0.05
#pragma parameter DOTMASK_STRENGTH "CGWG Dot Mask Strength" 0.3 0.0 1.0 0.05
#pragma parameter MASKDARK "Lottes Mask Dark" 0.5 0.0 2.0 0.1
#pragma parameter MASKLIGHT "Lottes Mask Light" 1.5 0.0 2.0 0.1
#pragma parameter GAMMAIN " Gamma In" 2.4 1.0 4.0 0.05
#pragma parameter GAMMAOUT " Gamma Out" 2.25 1.0 4.0 0.05
#pragma parameter BLACK " Black Level" 0.0 -0.20 0.20 0.01
#pragma parameter TEMP " Color Temperature in Kelvins" 9311.0 1031.0 12047.0 72.0
#pragma parameter SAT " Saturation" 1.0 0.0 2.0 0.01
#pragma parameter SEGA " SEGA Lum Fix" 0.0 0.0 1.0 1.0
#pragma parameter GLOW " Glow Strength" 0.12 0.0 1.0 0.01
#pragma parameter quality " Glow Size" 1.0 0.0 1.5 0.05
#pragma parameter VIGNETTE "Vignette On/Off" 1.0 0.0 1.0 1.0
#pragma parameter VPOWER "Vignette Power" 0.1 0.0 1.0 0.01
#pragma parameter VSTR "Vignette Strength" 45.0 0.0 50.0 1.0
#pragma parameter nois "Noise strength" 0.4 0.0 1.0 0.01
#define SHARPNESSX params.SHARPNESSX
#define SHARPNESSY params.SHARPNESSY
#define WARPX params.WARPX
#define WARPY params.WARPY
#define CORNER_ROUND params.CORNER_ROUND
#define BORDER params.BORDER
#define SHADOWMASK params.SHADOWMASK
#define MASKLOW params.MASKLOW
#define MASKHIGH params.MASKHIGH
#define DOTMASK_STRENGTH params.DOTMASK_STRENGTH
#define MASKDARK params.MASKDARK
#define MASKLIGHT params.MASKLIGHT
#define GAMMAIN params.GAMMAIN
#define GAMMAOUT params.GAMMAOUT
#define SAT params.SAT
#define SCANLOW params.SCANLOW
#define SCANHIGH params.SCANHIGH
#define MINSCAN params.MINSCAN
#define VIGNETTE params.VIGNETTE
#define VPOWER params.VPOWER
#define VSTR params.VSTR
#define TEMP params.TEMP
#define SEGA params.SEGA
#define BLACK params.BLACK
#define GLOW params.GLOW
#define SIZE params.SIZE
#define quality params.quality
#define nois params.nois
#define BGR params.BGR
#define INTERLACE params.INTERLACE
#define CURVATURE
#define PI 3.141592654
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float gammain,gammaout,warpX,warpY,vignette,vign,corners,beam1,beam2,
scanline1,scanline2,interlace,progress,boost1,boost2,sat,flick;
} params;
layout(std140, set = 0, binding = 0) uniform UBO
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
mat4 MVP;
mat4 MVP;
float DOTMASK_STRENGTH,maskDark,maskLight,shadowMask,bgr,maskl,maskh,gl,
ntsc,TEMP;
} global;
#define SourceSize global.SourceSize
#define OriginalSize global.OriginalSize
#define OutputSize global.OutputSize
#define mod_factor vTexCoord.x * OutputSize.x/OriginalSize.x*SourceSize.x
#define scale vec4(SourceSize.xy/OriginalSize.xy,OriginalSize.xy/SourceSize.xy)
#define filterWidth (OriginalSize.y / OutputSize.y) / 3.0
#pragma parameter warpX "Curvature X" 0.03 0.00 0.20 0.01
#define warpX params.warpX
#pragma parameter warpY "Curvature Y" 0.05 0.00 0.20 0.01
#define warpY params.warpY
#pragma parameter corners "Corners cut On/Off" 1.0 0.0 1.0 1.0
#define corners params.corners
#pragma parameter vignette "Vignette On/Off" 1.0 0.0 1.0 1.0
#define vignette params.vignette
#pragma parameter vign "Vignette Strength" 0.10 0.0 0.50 0.01
#define vign params.vign
#pragma parameter shadowMask "Mask Style 0:cgwg,1-4:Lottes,5:Sin" 1.0 0.0 5.0 1.0
#define shadowMask global.shadowMask
#pragma parameter maskl "Mask Low" 0.9 0.0 1.0 0.05
#define maskl global.maskl
#pragma parameter maskh "Mask High" 0.6 0.0 1.0 0.05
#define maskh global.maskh
#pragma parameter bgr "RGB/BGR subpixels" 1.0 0.0 1.0 1.0
#define bgr global.bgr
#pragma parameter DOTMASK_STRENGTH "CGWG Dot Mask Strength" 0.7 0.0 1.0 0.05
#define DOTMASK_STRENGTH global.DOTMASK_STRENGTH
#pragma parameter maskDark "Lottes maskDark" 0.3 0.0 2.0 0.1
#define maskDark global.maskDark
#pragma parameter maskLight "Lottes maskLight" 1.5 0.0 2.0 0.1
#define maskLight global.maskLight
#pragma parameter interlace "Interlace On/Off" 1.0 0.0 1.0 1.0
#define interlace params.interlace
#pragma parameter progress "Force 240p" 0.0 0.0 1.0 1.0
#define progress params.progress
#pragma parameter flick "Flicker Strength" 4.0 0.0 10.0 0.1
#define flick params.flick
#pragma parameter beam1 "Scanline Beam Low" 6.0 1.0 15.0 0.5
#define beam1 params.beam1
#pragma parameter beam2 "Scanline Beam High" 8.0 1.0 15.0 0.5
#define beam2 params.beam2
#pragma parameter scanline1 "Scanline Low" 1.35 0.5 3.0 0.05
#define scanline1 params.scanline1
#pragma parameter scanline2 "Scanline High" 1.05 0.5 3.0 0.05
#define scanline2 params.scanline2
#pragma parameter ntsc "NTSC Colors" 1.0 0.0 1.0 1.0
#define ntsc global.ntsc
#pragma parameter TEMP "Color Temperature in Kelvins" 8591.0 1031.0 12047.0 72.0
#define TEMP global.TEMP
#pragma parameter gammain "Gamma In" 2.45 1.0 4.0 0.05
#define gammain params.gammain
#pragma parameter gammaout "Gamma Out" 2.25 1.0 4.0 0.05
#define gammaout params.gammaout
#pragma parameter sat "Saturation" 1.0 0.0 2.0 0.01
#define sat params.sat
#pragma parameter boost1 "Boost Dark Colors" 1.45 1.0 2.0 0.05
#define boost1 params.boost1
#pragma parameter boost2 "Boost Bright Colors" 1.25 1.0 2.0 0.05
#define boost2 params.boost2
#pragma parameter gl "Glow Strength" 0.15 0.0 1.0 0.01
#define gl global.gl
#define pi 3.141592
#define SourceSize params.SourceSize
#define OutputSize params.OutputSize
#define FrameCount params.FrameCount
#define OriginalSize params.OriginalSize
#define timer float(FrameCount*2.0)
#define flicker sin(timer)*flick/1000.0
#define mod_factor vTexCoord.x * SourceSize.x * OutputSize.x / SourceSize.x
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
@ -98,160 +92,248 @@ layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord * 1.0001;
gl_Position = global.MVP * Position;
vTexCoord = TexCoord*1.0001;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 1) uniform sampler2D Source;
layout(set = 0, binding = 2) uniform sampler2D Source;
#define iTimer (float(global.FrameCount) / 60.0)
vec3 Mask(vec2 pos){
vec3 mask=vec3(maskDark,maskDark,maskDark);
if (shadowMask == 0.0)
{
float mask = 1.0 - DOTMASK_STRENGTH;
//Output pixels are alternately tinted green and magenta
vec3 dotMaskWeights = mix(vec3(1.0, mask, 1.0),
vec3(mask, 1.0, mask),
floor(mod(mod_factor, 2.0)));
return dotMaskWeights;
}
// Very compressed TV style shadow mask.
else if (shadowMask == 1.0) {
float line=maskLight;
float odd=0.0;
if(fract(pos.x/6.0)<0.5)odd=1.0;
if(fract((pos.y+odd)/2.0)<0.5)line=maskDark;
pos.x=fract(pos.x/3.0);
if(pos.x<0.333) bgr == 1.0? mask.b=maskLight : mask.r=maskLight;
else if(pos.x<0.666)mask.g=maskLight;
else bgr == 1.0? mask.r=maskLight : mask.b=maskLight;
mask*=line;
}
// Aperture-grille.
else if (shadowMask == 2.0) {
pos.x=fract(pos.x/3.0);
if(pos.x<0.333) bgr == 1.0? mask.b=maskLight : mask.r=maskLight;
else if(pos.x<0.666)mask.g=maskLight;
else bgr == 1.0? mask.r=maskLight : mask.b=maskLight;
}
// Stretched VGA style shadow mask (same as prior shaders).
else if (shadowMask == 3.0) {
pos.x+=pos.y*3.0;
pos.x=fract(pos.x/6.0);
if(pos.x<0.333) bgr == 1.0? mask.b=maskLight : mask.r=maskLight;
else if(pos.x<0.666)mask.g=maskLight;
else bgr == 1.0? mask.r=maskLight : mask.b=maskLight;
}
// VGA style shadow mask.
else if (shadowMask == 4.0) {
pos.xy=floor(pos.xy*vec2(1.0,0.5));
pos.x+=pos.y*3.0;
pos.x=fract(pos.x/6.0);
if(pos.x<0.333) bgr == 1.0? mask.b=maskLight : mask.r=maskLight;
else if(pos.x<0.666)mask.g=maskLight;
else bgr == 1.0? mask.r=maskLight : mask.b=maskLight;
}
else if (shadowMask == 5.0)
{
float MaskR = sin(OutputSize.x*vTexCoord.x*pi*1.0+pi*0.00000+vTexCoord.y*OutputSize.y*pi*0.5)*0.5+0.5;
float MaskG = sin(OutputSize.x*vTexCoord.x*pi*1.0+pi*1.33333+vTexCoord.y*OutputSize.y*pi*0.5)*0.5+0.5;
float MaskB = sin(OutputSize.x*vTexCoord.x*pi*1.0+pi*0.66667+vTexCoord.y*OutputSize.y*pi*0.5)*0.5+0.5;
vec3 Mask; bgr == 1.0? Mask = vec3(MaskB,MaskG,MaskR) : Mask = vec3(MaskR,MaskG,MaskB) ;
Mask = min(Mask*2.0,1.0);
return vec3(Mask);
}
return mask;
}
vec2 curve(vec2 pos)
//Lanczos filter
float sinc(float x)
{
return sin(x * pi) / (x * pi);
}
float lanczosWeight(float d, float n)
{
return (d == 0.0) ? (1.0) : (d*d < n*n ? sinc(d) * sinc(d / n) : 0.0);
}
vec3 Lanczos3(vec2 uv, vec2 InvResolution)
{
vec2 center = uv - (mod(uv / InvResolution, 1.0)-0.5) * InvResolution;// texel center
vec2 offset = (uv - center)/InvResolution;// relevant texel position in the range -0.5～+0.5
vec3 col = vec3(0.0);
float weight = 0.0;
//loop
for(int x = -2; x < 3; x++)
{
for(int y = -1; y < 2; y++)
{
float wx = lanczosWeight(float(x)-offset.x, 2.0);
float wy = lanczosWeight(float(y)-offset.y, 1.0);
float w = wx * wy;
col += w * texture(Source, center + vec2(x,y) * InvResolution).rgb;
weight += w;
}
}
col /= weight;
return col;
}
// Distortion of scanlines
vec2 Warp(vec2 pos)
{
pos = pos*2.0-1.0;
pos *= vec2(1.0 + (pos.y*pos.y)*WARPX,
1.0 + (pos.x*pos.x)*WARPY);
pos *= vec2(1.0 + (pos.y*pos.y)*warpX, 1.0 + (pos.x*pos.x)*warpY);
return pos*0.5 + 0.5;
}
float corner(vec2 coord)
//Vignette
mat3 vignet()
{
coord *= scale.xy;
coord = (coord - vec2(0.5)) * 1.0 + vec2(0.5);
coord = min(coord, vec2(1.0)-coord) * vec2(1.0, OriginalSize.y/OriginalSize.x);
vec2 cdist = vec2(CORNER_ROUND);
coord = (cdist - min(coord,cdist));
float dist = sqrt(dot(coord,coord));
return clamp((cdist.x-dist)*BORDER,0.0, 1.0);
}
vec2 vpos = vTexCoord;
float CalcScanLineWeight(float dist, float scan)
{
return max(1.0-dist*dist/scan, MINSCAN);
}
float ScanLine(float dy, float l)
{
float scan = mix(SCANLOW, SCANHIGH, l);
float scanLineWeight = CalcScanLineWeight(dy, scan);
scanLineWeight += CalcScanLineWeight(dy-filterWidth, scan);
scanLineWeight += CalcScanLineWeight(dy+filterWidth, scan);
scanLineWeight *= 0.3333333;
return scanLineWeight;
}
// Shadow mask.
vec3 Mask(vec2 pos)
{
vec3 mask = vec3(MASKDARK, MASKDARK, MASKDARK);
// Very compressed TV style shadow mask.
if (SHADOWMASK == 1.0)
{
float line = MASKLIGHT;
float odd = 0.0;
if (fract(pos.x/6.0) < 0.5)
odd = 1.0;
if (fract((pos.y + odd)/2.0) < 0.5)
line = MASKDARK;
pos.x = fract(pos.x/3.0);
if (pos.x < 0.333) (BGR == 1.0) ? mask.b = MASKLIGHT : mask.r = MASKLIGHT;
else if (pos.x < 0.666) mask.g = MASKLIGHT;
else (BGR == 1.0) ? mask.r = MASKLIGHT : mask.b = MASKLIGHT;
mask*=line;
}
// Aperture-grille.
else if (SHADOWMASK == 2.0)
{
pos.x = fract(pos.x/3.0);
if (pos.x < 0.333) (BGR == 1.0) ? mask.b = MASKLIGHT : mask.r = MASKLIGHT;
else if (pos.x < 0.666) mask.g = MASKLIGHT;
else (BGR == 1.0) ? mask.r = MASKLIGHT : mask.b = MASKLIGHT;
}
// Stretched VGA style shadow mask (same as prior shaders).
else if (SHADOWMASK == 3.0)
{
pos.x += pos.y*3.0;
pos.x = fract(pos.x/6.0);
if (pos.x < 0.333) (BGR == 1.0) ? mask.b = MASKLIGHT : mask.r = MASKLIGHT;
else if (pos.x < 0.666) mask.g = MASKLIGHT;
else (BGR == 1.0) ? mask.r = MASKLIGHT : mask.b = MASKLIGHT;
}
// VGA style shadow mask.
else if (SHADOWMASK == 4.0)
{
pos.xy = floor(pos.xy*vec2(1.0, 0.5));
pos.x += pos.y*3.0;
pos.x = fract(pos.x/6.0);
if (pos.x < 0.333) (BGR == 1.0) ? mask.b = MASKLIGHT : mask.r = MASKLIGHT;
else if (pos.x < 0.666) mask.g = MASKLIGHT;
else (BGR == 1.0) ? mask.r = MASKLIGHT : mask.b = MASKLIGHT;
}
else if (SHADOWMASK == 5.0)
{
float line = MASKLIGHT;
float odd = 0.0;
if (fract(pos.x/4.0) < 0.5)
odd = 1.0;
if (fract((pos.y + odd)/2.0) < 0.5)
line = MASKDARK;
pos.x = fract(pos.x/2.0);
if (pos.x < 0.5) {mask.r = MASKLIGHT; mask.b = MASKLIGHT;}
else mask.g = MASKLIGHT;
mask*=line;
}
else if (SHADOWMASK == -1.0) mask = vec3(1.0);
return mask;
}
mat3 vign()
{
vec2 vpos = vTexCoord * SourceSize.xy/OriginalSize.xy;
vpos *= 1.0 - vpos;
float vig = vpos.x * vpos.y * VSTR;
vig = min(pow(vig, VPOWER), 1.0);
if (VIGNETTE == 0.0) vig=1.0;
vpos *= 1.0 - vpos.xy;
float vig = vpos.x * vpos.y * 50.0;
vig = min(pow(vig, vign), 1.0);
if (vignette == 0.0) vig=1.0;
return mat3(vig, 0, 0,
0, vig, 0,
0, 0, vig);
}
float sw(float y, float l)
{
float scan = mix(beam1, beam2, y);
float tmp = mix(scanline1, scanline2, l);
float ex = y*tmp;
return exp2(-scan*ex*ex);
}
vec3 glow(vec2 pos)
{
vec3 col = vec3(0.0);
float x = SourceSize.z;
float y = SourceSize.w;
float w1 = 0.15;
float w2 = 0.05;
col += w1*texture(Source,pos+vec2(x,0.0)).rgb;
col += w1*texture(Source,pos+vec2(x,y)).rgb;
col += w1*texture(Source,pos+vec2(x,-y)).rgb;
col += w1*texture(Source,pos+vec2(-x,0.0)).rgb;
col += w1*texture(Source,pos+vec2(-x,y)).rgb;
col += w1*texture(Source,pos+vec2(-x,-y)).rgb;
col += w1*texture(Source,pos+vec2(0.0,y)).rgb;
col += w1*texture(Source,pos+vec2(0.0,-y)).rgb;
col += w2*texture(Source,pos+vec2(2.0*x,0.0)).rgb;
col += w2*texture(Source,pos+vec2(2.0*x,y)).rgb;
col += w2*texture(Source,pos+vec2(2.0*x,-y)).rgb;
col += w2*texture(Source,pos+vec2(-2.0*x,0.0)).rgb;
col += w2*texture(Source,pos+vec2(-2.0*x,y)).rgb;
col += w2*texture(Source,pos+vec2(-2.0*x,-y)).rgb;
col += w1*texture(Source,pos+vec2(0.0,2.0*y)).rgb;
col += w1*texture(Source,pos+vec2(0.0,-2.0*y)).rgb;
return col*gl;
}
vec3 DecodeGamma(vec3 color, float gamma)
{
color = clamp(color, 0.0, 1.0);
color.r = (color.r <= 0.00313066844250063) ?
color.r * 12.92 : 1.055 * pow(color.r, 1.0 / gamma) - 0.055;
color.g = (color.g <= 0.00313066844250063) ?
color.g * 12.92 : 1.055 * pow(color.g, 1.0 / gamma) - 0.055;
color.b = (color.b <= 0.00313066844250063) ?
color.b * 12.92 : 1.055 * pow(color.b, 1.0 / gamma) - 0.055;
return color;
}
vec3 RGBtoXYZ(vec3 RGB)
{
const mat3x3 m = mat3x3(
0.6068909, 0.1735011, 0.2003480,
0.2989164, 0.5865990, 0.1144845,
0.0000000, 0.0660957, 1.1162243);
return RGB * m;
}
vec3 NTSC(vec3 c)
{
vec3 v = vec3(pow(c.r, 2.2), pow(c.g, 2.2), pow(c.b, 2.2)); //Inverse Companding
return RGBtoXYZ(v);
}
vec3 XYZtoSRGB(vec3 XYZ)
{
const mat3x3 m = mat3x3(
3.2404542,-1.5371385,-0.4985314,
-0.9692660, 1.8760108, 0.0415560,
0.0556434,-0.2040259, 1.0572252);
return XYZ * m;
}
vec3 sRGB(vec3 c)
{
vec3 v = XYZtoSRGB(c);
v = DecodeGamma(v, 2.4); //Companding
return v;
}
// NTSC RGB to sRGB
vec3 NTSCtoSRGB( vec3 c )
{
return sRGB(NTSC( c ));
}
float saturate(float v)
{
return clamp(v, 0.0, 1.0);
}
// https://www.shadertoy.com/view/lsSXW1
vec3 ColorTemperatureToRGB(float temperatureInKelvins)
vec3 ColorTemp(float temperatureInKelvins)
{
vec3 retColor;
temperatureInKelvins = clamp(temperatureInKelvins, 1000.0, 40000.0) / 100.0;
@ -278,112 +360,49 @@ vec3 ColorTemperatureToRGB(float temperatureInKelvins)
return retColor;
}
vec3 glow0 (vec2 uv)
{
vec3 sum = vec3(0.0);
float x = uv.x;
float y = uv.y;
float xx = SourceSize.z*quality;
float yy = SourceSize.w*quality;
sum += texture(Source, vec2(x-xx,y)).rgb*0.1;
sum += texture(Source,vec2(x-xx,y-yy)).rgb*0.1;
sum += texture(Source,vec2(x,y-yy)).rgb*0.1;
sum += texture(Source,vec2(x+xx,y-yy)).rgb*0.1;
sum += texture(Source,vec2(x+xx,y)).rgb*0.1;
sum += texture(Source,vec2(x+xx,y+yy)).rgb*0.1;
sum += texture(Source,vec2(x, y-yy)).rgb*0.1;
sum += texture(Source,vec2(x+xx,y+yy)).rgb*0.1;
sum += texture(Source,vec2(x-2.0*xx,y)).rgb*0.05;
sum += texture(Source,vec2(x-2.0*xx,y-yy)).rgb*0.05;
sum += texture(Source,vec2(x-xx,y-2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x,y-2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x+xx,y-2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x+2.0*xx,y-yy)).rgb*0.05;
sum += texture(Source,vec2(x+2.0*xx,y)).rgb*0.05;
sum += texture(Source,vec2(x+2.0*xx,y+yy)).rgb*0.05;
sum += texture(Source,vec2(x+xx,y+2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x,y+2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x-xx,y+2.0*yy)).rgb*0.05;
sum += texture(Source,vec2(x-2.0*xx,y-yy)).rgb*0.05;
return sum * GLOW;
}
float noise(vec2 co)
{
return fract(sin(iTimer * dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
}
void main()
{
vec2 pos = Warp(vTexCoord);
vec2 uv = pos * vec2(0.5, 2.0);
vec2 InvResolution = SourceSize.zw;
// FILTER
vec2 stepxy = SourceSize.zw;
if (OriginalSize.y > 400.0 && INTERLACE == 0.0) stepxy.y *=2.0;
float f = fract(pos.y*SourceSize.y)+0.5;
float f2 = fract(pos.y*SourceSize.y);
//handle interlacing
if (OriginalSize.y > 400.0 && interlace == 1.0)
{
f = fract(pos.y*SourceSize.y/2.0)+0.5;
f2 = fract(pos.y*SourceSize.y/2.0);
sin(timer) > 0.0 ? f=f : f=f2;
}
if (OriginalSize.y > 400.0 && interlace == 0.0 && progress == 1.0)
{
f = fract(pos.y*SourceSize.y/2.0)+0.5;
}
vec2 texCoord = curve(vTexCoord.xy*(SourceSize.xy/OriginalSize.xy))*(OriginalSize.xy/SourceSize.xy.xy);
vec2 pos = texCoord.xy + stepxy * 0.5;
vec2 OGL2Pos = texCoord * SourceSize.xy;
vec2 pC4 = floor(OGL2Pos) + 0.5;
vec2 coord = pC4 / SourceSize.xy;
vec2 f = fract(pos / stepxy);
if (OriginalSize.y > 400.0 && INTERLACE == 1.0) f = vec2(1.0);
else if (OriginalSize.y > 400.0 && INTERLACE == 0.0) f;
vec3 res = Lanczos3(pos,InvResolution);
if (ntsc == 1.0) res = NTSCtoSRGB(res);
res *= ColorTemp(TEMP);
float x = mix(texCoord.x,coord.x,SHARPNESSX);
float y = mix(texCoord.y,coord.y,SHARPNESSY);
vec4 color = texture(Source,vec2(x,y));
float lumscan = max(max(res.r,res.g),res.b);
float lumsat = dot(vec3(0.22,0.7,0.08),res);
res = pow(res,vec3(gammain));
res = res*sw(f,lumscan) + res*sw(1.0-f,lumscan)+ res*sw(1.0+f,lumscan);
float msk = mix(maskl,maskh,lumscan);
res *= mix(vec3(1.0),Mask(floor(vTexCoord.xy * OutputSize.xy + vec2(0.5))),msk);
float lum2 = dot(color.rgb,vec3(0.29,0.60,0.11));
res *= mix(boost1,boost2,lumsat);
res = pow(res,vec3(1.0/gammaout));
res *= vignet();
res += flicker;
//gamma in
color = pow(color, vec4(GAMMAIN));
//Color temp
color.rgb *= ColorTemperatureToRGB(TEMP);
float lum = max(max(color.r,color.g),color.b);
// noise
color.rgb *= mix(1.0 + noise(texCoord)*nois,1.0,lum);
//scanlines
float ss = ScanLine(f.y, lum)+ScanLine(1.0-f.y, lum);
color *= ss;
//mask
float mask = 1.0 - DOTMASK_STRENGTH;
vec3 dotMaskWeights = mix(vec3(1.0, mask, 1.0),
vec3(mask, 1.0, mask),
floor(mod(mod_factor, 2.0)));
float msk = mix(MASKLOW,MASKHIGH,lum2);
vec2 corn = min(pos,vec2(1.0)-pos); // This is used to mask corners
corn.x = 0.0001/corn.x;
res +=glow(pos);
if (corners == 1.0 && corn.y <= corn.x || corn.x < 0.0001 ) res = vec3(0.0);
res = mix(vec3(lumsat),res,sat);
if (SHADOWMASK == 0.0)
{
color.rgb *= mix(vec3(1.0),dotMaskWeights, msk);
}
else
{
color.rgb *= mix(vec3(1.0),Mask(floor(1.000001 * vTexCoord.xy*OutputSize.xy + vec2(0.5,0.5))), msk);
}
//gamma out
color = pow(color, vec4(1.0/GAMMAOUT));
//glow
color.rgb += glow0(pos);
//saturation
color.rgb = mix(vec3(lum2)*ss,color.rgb, SAT);
//black level
color.rgb -= vec3(BLACK);
color.rgb *= vec3(1.0)/vec3(1.0-BLACK);
//corner
color *= corner(texCoord);
if (SEGA == 1.0) color.rgb *= 1.0625;
// vignette
color.rgb *= vign();
FragColor = color;
}
FragColor = vec4(res,1.0);
}