bluflame/ruins64k/tools/shader_code.h

/* File generated with Shader Minifier 1.1.3
 * http://www.ctrl-alt-test.fr
 */
#ifndef SHADER_CODE_H_
# define SHADER_CODE_H_
# define VAR_DUMMY0 "f"
# define VAR_DUMMY1 "n"
# define VAR_DUMMY2 "s"
# define VAR_DUMMY3 "a"
# define VAR_DUMMY4 "S"
# define VAR_DUMMY5 "U"
# define VAR_FAKLEMANVECTORS "g"
# define VAR_FAKLEMANVECTORS_ "A"
# define VAR_LIGHTCOLOR "ad"
# define VAR_LIGHTPOSITION "ab"
# define VAR_LIGHTSIZE "ac"
# define VAR_MATERIAL "X"
# define VAR_OUT0 "K"
# define VAR_RNDSEED "r"
# define VAR_SAMPLER0 "J"
# define VAR_TEX0 "j"
# define VAR_TIME "y"
# define VAR_VIEWDIRECTION "d"
# define VAR_VIEWPOSITION "l"
# define VAR_VIEWUP "z"

char tmpE89D_tmp[] =
 "cbuffer cb0:register(b0){"
 "float y,f,n,s;"
 "float3 l;"
 "float a;"
 "float3 d;"
 "float S;"
 "float3 z;"
 "float U;"
 "}\n"
 "#ifndef UTILS\n"
 "#define UTILS\n"
 "#define USE_ATAN2_APPROXIMATION\n"
 "#define PI 3.14159265\n"
 "#define INFINITY 1000.0\n"
 "#define PHI (sqrt(5)*0.5+0.5)\n"
 "float3x3 t(float f)"
 "{"
   "return float3x3(1,0,0,0,cos(f),-sin(f),0,sin(f),cos(f));"
 "}"
 "float3x3 e(float f)"
 "{"
   "return float3x3(cos(f),0,sin(f),0,1,0,-sin(f),0,cos(f));"
 "}"
 "float3x3 x(float f)"
 "{"
   "return float3x3(cos(f),-sin(f),0,sin(f),cos(f),0,0,0,1);"
 "}"
 "static uint r=0;"
 "void h(uint f)"
 "{"
   "r=f;"
 "}"
 "uint p(uint f)"
 "{"
   "return f+=f<<10,f^=f>>6,f+=f<<3,f^=f>>11,f+=f<<15,f;"
 "}"
 "float e()"
 "{"
   "return asfloat((r=p(r)&8388607)|1065353216)-1;"
 "}"
 "float h()"
 "{"
   "return asfloat((r=p(r)&8388607)|1073741824)-3;"
 "}"
 "float N(uint f)"
 "{"
   "return asfloat(f&8388607|1065353216)-1;"
 "}"
 "float w(uint f)"
 "{"
   "return asfloat(f&8388607|1073741824)-3;"
 "}"
 "float T(float f)"
 "{"
   "return asfloat(int(12102203*f+1064866805));"
 "}\n"
 "#ifdef USE_ATAN2_APPROXIMATION\n"
 "float N(float f,float y)"
 "{"
   "float z=PI*.25,n=PI*.75,x=abs(f),s=y<0?-1:1,b=(-x*s+y)/(y*s+x),a=(.1963*b*b-.9817)*b+(y<0?n:z);"
   "return a*(f<0?-1:1);"
 "}\n"
 "#else\n"
 "#define atan2f atan2\n"
 "#endif\n"
 "float3x3 c(float3x3 f)"
 "{"
   "float3x3 a={f[1][1]*f[2][2]-f[1][2]*f[2][1],f[0][2]*f[2][1]-f[0][1]*f[2][2],f[0][1]*f[1][2]-f[0][2]*f[1][1],f[1][2]*f[2][0]-f[1][0]*f[2][2],f[0][0]*f[2][2]-f[0][2]*f[2][0],f[0][2]*f[1][0]-f[0][0]*f[1][2],f[1][0]*f[2][1]-f[1][1]*f[2][0],f[0][1]*f[2][0]-f[0][0]*f[2][1],f[0][0]*f[1][1]-f[0][1]*f[1][0]};"
   "return a;"
 "}"
 "float3x3 m(float3x3 f)"
 "{"
   "return c(f)/determinant(f);"
 "}"
 "float T(float f,float y)"
 "{"
   "return f-y*floor(f/y);"
 "}"
 "float2 c(float2 f,float2 y)"
 "{"
   "return f-y*floor(f/y);"
 "}"
 "float3 e(float3 f,float3 y)"
 "{"
   "return f-y*floor(f/y);"
 "}"
 "float2 h(float2 f,float y)"
 "{"
   "return f-y*floor(f/y);"
 "}"
 "float3 m(float3 f,float y)"
 "{"
   "return f-y*floor(f/y);"
 "}"
 "float N(float f,float y,float z)"
 "{"
   "if(f>y)"
     "return f;"
   "float x=f/y;"
   "return((2*z-y)*x+2*y-3*z)*x*x+z;"
 "}"
 "float T(float f,float a,float y)"
 "{"
   "return y=saturate((y-f)/(a-f)),y*y*y*(y*(y*6-15)+10);"
 "}"
 "float3 c(float3 f,float3 a,float3 y)"
 "{"
   "return y=saturate((y-f)/(a-f)),y*y*y*(y*(y*6-15)+10);"
 "}"
 "float e(float f,float y,float z)"
 "{"
   "float r=abs(z-f);"
   "if(r>y)"
     "return 0;"
   "r/=y;"
   "return 1-r*r*(3-2*r);"
 "}"
 "float3 h(float f,float y,float z)"
 "{"
   "return lerp(1,saturate(abs(frac(f+float3(3,2,1)/3)*6-3)-1),y)*z;"
 "}"
 "float3 m(float f,float y,float z)"
 "{"
   "return lerp(1,smoothstep(0,1,saturate(abs(frac(f+float3(3,2,1)/3)*6-3)-1)),y)*z;"
 "}"
 "float3 M(float f)"
 "{"
   "float y=saturate(f);"
   "return saturate(float3(sqrt(y),y*y*y,max(sin(5.49763*y),pow(y,12.))));"
 "}"
 "float3 P(float3 f)"
 "{"
   "float y=.15,z=.5,x=.1,n=.2,s=.02,b=.3,a=11.2;"
   "f=(f*(y*f+x*z)+n*s)/(f*(y*f+z)+n*b)-s/b;"
   "float l=(a*(y*a+x*z)+n*s)/(a*(y*a+z)+n*b)-s/b;"
   "return f/l;"
 "}"
 "float3 G(float3 f)"
 "{"
   "return f*(f*1.28713+.153229)/(f*(f+3.33333)+.4);"
 "}"
 "float4 L(float2 f)"
 "{"
   "float4 a=float4(1,.111,0,1);"
   "uint y[]={-2122219265,-1887334513,-1886417777,-8352628};"
   "int2 c=floor(f*16);"
   "if(c.x<0||c.x>15||c.y<0||c.y>15)"
     "return float4(0,0,0,0);"
   "if(y[c.y/4u]>>c.y%4u*8u+uint(abs(c.x-7.5))%8u&1u)"
     "return float4(1,1,1,1);"
   "return a;"
 "}"
 "float i(float3 f)"
 "{"
   "float4 y=dot(floor(f),float3(1,57,21))+float4(0,57,21,78);"
   "f=smoothstep(0,1,frac(f));"
   "y=lerp(sin(cos(y*y)),sin(cos(y*y+2*y+1)),f.x);"
   "y.xy=lerp(y.xz,y.yw,f.y);"
   "return lerp(y.x,y.y,f.z);"
 "}"
 "float I(float3 f)"
 "{"
   "float3 a=floor(f);"
   "float4 y=a.x+a.y*57+a.z*21;"
   "y.yzw+=float3(57,21,78);"
   "float3 r=frac(f);"
   "r=r*r*(-2*r+3);"
   "y=lerp(sin(cos(y)*y),sin(cos(1+y)*(1+y)),r.x);"
   "y.xy=lerp(y.xz,y.yw,r.y);"
   "return lerp(y.x,y.y,r.z);"
 "}"
 "float b(float3 f)"
 "{"
   "float y=I(f*.06125)*.5;"
   "f.xy=cos(1)*f.xy+float2(-sin(1),sin(1))*f.yx;"
   "y+=I(f*.125)*.25;"
   "f.zy=cos(1)*f.zy+float2(-sin(1),sin(1))*f.yz;"
   "y+=I(f*.25)*.125;"
   "return y*(1/.875);"
 "}\n"
 "#endif\n"
 "#ifndef LIGHTING\n"
 "#define LIGHTING\n"
 "float G(float f,float y)"
 "{"
   "float a=y*y,s=a*a,x=f*f,n=abs(x*s-x+1);"
   "return s/(PI*n*n+1e-08);"
 "}"
 "float G(float f,float y,float z)"
 "{"
   "float a=z+1,n=a*a/8,s=1-n;"
   "return 1/(4*(f*s+n)*(y*s+n));"
 "}"
 "float I(float f,float y)"
 "{"
   "float a=(-5.55473*f-6.98316)*f;"
   "return y+(1-y)*exp2(a);"
 "}"
 "float G(float3 f,float3 y,float a,float z)"
 "{"
   "float x=a/z,s=-dot(y,f),n=x*x*(1.-s*s);"
   "if(n>1.)"
     "return 1.;"
   "float r=sqrt(1.-n),b=(a*s-z*r)/(a*s+z*r),P=(z*s-a*r)/(z*s+a*r);"
   "return 1.-(b*b+P*P)/2.;"
 "}"
 "float G(float f,float y,float a,float z,float n,float s)"
 "{"
   "return G(a,n)*I(f,s)*G(f,y,n);"
 "}"
 "float G()"
 "{"
   "return 1/PI;"
 "}"
 "float3 G(float3 f,float3 y,float3 z,float3 a,float3 x,float r,float n)"
 "{"
   "r=clamp(r,.05,1.);"
   "float3 s=normalize(y+z);"
   "float c=max(0,dot(f,y)),m=max(0,dot(f,z)),b=max(0,dot(f,s)),d=max(0,dot(y,s));"
   "float3 i=a*G()+x*G(c,m,b,d,r,n);"
   "i*=m;"
   "return i;"
 "}"
 "float3 G(float3 f,float3 y,float3 a,float3 z,float3 l,float c,float3 n,float3 s,float d,float b)"
 "{"
   "float3 m=l-f,x=m-dot(m,z)*z,i=m-x*saturate(c/length(x)),r=normalize(i);"
   "return G(y,a,r,n,s,d,b);"
 "}\n"
 "#endif\n"
 "#ifndef MATERIAL\n"
 "#define MATERIAL\nstruct Material{float3 color;float roughness;float4 attenuation;float eta;float3 emissive;float metallic;};"
 "static Material X;"
 "void u(Material f)"
 "{"
   "X=f;"
 "}"
 "void L(bool f,Material y)"
 "{"
   "if(f)"
     "L(y);"
 "}"
 "void I(inout float f,float y,bool z,Material a)"
 "{"
   "if(y<f)"
     "{"
       "f=y;"
       "if(z)"
         "L(a);"
     "}"
 "}"
 "void L(inout float f,float y,bool z,Material a)"
 "{"
   "if(y>f)"
     "{"
       "f=y;"
       "if(z)"
         "L(a);"
     "}"
 "}"
 "void M(inout float f,float y,bool a,Material z)"
 "{"
   "I(f,abs(y),a,z),f*=y<0?-1:1;"
 "}"
 "bool F(Material f)"
 "{"
   "return f.attenuation.w>=.5;"
 "}"
 "bool o(Material f)"
 "{"
   "return f.attenuation.w==1;"
 "}"
 "Material O(float3 f)"
 "{"
   "Material r;"
   "r.color=f;"
   "r.metallic=0.;"
   "r.roughness=0.;"
   "r.emissive=0.;"
   "r.attenuation=0.;"
   "return r;"
 "}"
 "Material v(float3 f)"
 "{"
   "Material r;"
   "r.color=f;"
   "r.metallic=0.;"
   "r.roughness=1.;"
   "r.emissive=0.;"
   "r.attenuation=0.;"
   "return r;"
 "}"
 "Material R(float3 f)"
 "{"
   "Material r;"
   "r.color=0;"
   "r.metallic=0;"
   "r.roughness=0;"
   "r.emissive=f;"
   "r.attenuation=0.;"
   "return r;"
 "}"
 "Material F(float3 f,float a=1.1,float y=.3)"
 "{"
   "Material r;"
   "r.color=.3;"
   "r.emissive=0;"
   "r.metallic=1;"
   "r.roughness=y;"
   "r.attenuation=float4(f,1);"
   "r.eta=a;"
   "return r;"
 "}"
 "Material F(float3 f,int y)"
 "{"
   "float3 a=f+.01*b(f*1114.95),z=a+.05*b(a*228.999),x=z+13.845*b(z*12.5);"
   "float r=b(x*16.5)*.5+.5;"
   "const float3 s[3]={float3(1,.2,0.),float3(.5,.8,.1),float3(1.,1.,1.)};"
   "float3 l=lerp(s[(2+y)%3],lerp(s[(0+y)%3],s[(1+y)%3],b((x+z)*15)*.5+.5),b(x*10)*.5+.5);"
   "Material i;"
   "i.emissive=0;"
   "i.color=l*r;"
   "i.metallic=1.;"
   "i.roughness=saturate(r*-.55+.5);"
   "i.attenuation=float4(3*saturate(1-l),1);"
   "i.eta=1.2;"
   "return i;"
 "}"
 "Material M(float3 f,int y)"
 "{"
   "float3 a=f+.01*b(f*1114.95),z=a+.05*b(a*228.999),x=z+13.845*b(z*12.5);"
   "float r=b(x*16.5)*.5+.5;"
   "const float3 s[3]={float3(1,.2,0.),float3(.5,.8,.1),float3(1.,1.,1.)};"
   "float3 l=lerp(s[(2+y)%3],lerp(s[(0+y)%3],s[(1+y)%3],b((x+z)*15)*.5+.5),b(x*10)*.5+.5);"
   "Material e;"
   "e.emissive=0;"
   "e.color=l*r;"
   "e.metallic=0;"
   "e.roughness=saturate(r*-.55+.5);"
   "e.attenuation=0;"
   "return e;"
 "}"
 "Material E(float3 f)"
 "{"
   "int y=0;"
   "float3 a=f+.01*b(f*1114.95),z=a+.05*b(a*228.999),x=z+13.845*b(z*12.5);"
   "float r=b(x*16.5)*.5+.5;"
   "const float3 s[3]={float3(1,.2,0.),float3(.5,.8,.1),float3(1.,1.,1.)};"
   "float3 l=lerp(s[(2+y)%3],lerp(s[(0+y)%3],s[(1+y)%3],b((x+z)*15)*.5+.5),b(x*10)*.5+.5);"
   "Material i;"
   "i.emissive=0;"
   "i.color=sin(f.z)*.5+.5;"
   "i.metallic=0;"
   "i.roughness=.3;"
   "i.attenuation=0;"
   "return i;"
 "}\n"
 "#endif\n"
 "#ifndef SDF\n"
 "#define SDF\n"
 "static const float3 A[19]={{1.,0.,0.},{0.,1.,0.},{0.,0.,1.},{.577,.577,.577},{-.577,.577,.577},{.577,-.577,.577},{.577,.577,-.577},{0.,.357,.934},{0.,-.357,.934},{.934,0.,.357},{-.934,0.,.357},{.357,.934,0.},{-.357,.934,0.},{0.,.851,.526},{0.,-.851,.526},{.526,0.,.851},{-.526,0.,.851},{.851,.526,0.},{-.851,.526,0.}},g[19]={normalize(float3(1,0,0)),normalize(float3(0,1,0)),normalize(float3(0,0,1)),normalize(float3(1,1,1)),normalize(float3(-1,1,1)),normalize(float3(1,-1,1)),normalize(float3(1,1,-1)),normalize(float3(0,1,PHI+1)),normalize(float3(0,-1,PHI+1)),normalize(float3(PHI+1,0,1)),normalize(float3(-PHI-1,0,1)),normalize(float3(1,PHI+1,0)),normalize(float3(-1,PHI+1,0)),normalize(float3(0,PHI,1)),normalize(float3(0,-PHI,1)),normalize(float3(1,0,PHI)),normalize(float3(-1,0,PHI)),normalize(float3(PHI,1,0)),normalize(float3(-PHI,1,0))};"
 "float3 H(float3 f)"
 "{"
   "if(f.y>0)"
     "f.xy=float2(length(f.xy),N(f.y,f.x));"
   "else"
     " if(f.x<0)"
       "f.xy*=-1,f.y+=2*asin(1);"
   "return f;"
 "}"
 "float3 E(float3 f,float y,float z)"
 "{"
   "if(abs(y)<.01)"
     "return f;"
   "float a=sign(y),s=1/y;"
   "float2 r=a*float2(f.x-z,s-f.y);"
   "float x=N(r.x,r.y);"
   "return float3(x*s+z,-length(r)*a+s,f.z);"
 "}"
 "float3 E(float3 f,float y,float z,float a,float s)"
 "{"
   "float r=y/(s-a);"
   "if(abs(r)<.0001)"
     "return f;"
   "float x=sign(r),n=abs(r),b=1/r;"
   "float2 i=x*float2(f.x-z,b-f.y);"
   "float c=N(i.x,i.y);"
   "float2 d=(float2(a,s)-z)*r;"
   "float l=clamp(c,min(d.x,d.y),max(d.x,d.y)),m=l*b+z;"
   "if(abs(c-l)>0)"
     "{"
       "float2 X=float2(cos(l),sin(l));"
       "return float3(-x*(X*i.x*float2(-1,1)+X.yx*i.y)+float2(m,b),f.z);"
     "}"
   "return float3(m,-length(i)*x+b,f.z);"
 "}\n"
 "#define fOpR45(p)p=0.7071*p+0.7071*float2(p.y,-p.x)\n"
 "float H(float f,float y,float z)"
 "{"
   "return-f<z&&-y<z?(f+z+y)*sqrt(.5):max(f,y);"
 "}"
 "float I(float f,float y,float z)"
 "{"
   "return H(f,-y,z);"
 "}"
 "float L(float f,float y,float z)"
 "{"
   "return f<z&&y<z?(f-z+y)*sqrt(.5):min(f,y);"
 "}"
 "float3 E(float3 f,float y)"
 "{"
   "return floor(f/y+.5)*y;"
 "}"
 "float D(float3 f)"
 "{"
   "float y=dot(pow(f,4),1)-dot(pow(f,2),1);"
   "float3 a=4*f*f*f-2*f;"
   "return y/length(a);"
 "}"
 "float Y(float3 f)"
 "{"
   "float y=f.y*f.y*f.y*f.y+f.y*f.y*f.y+f.x*f.x+f.z*f.z;"
   "float3 a=float3(2*f.x,-4*f.y*f.y*f.y-3*f.y*f.y,2*f.z);"
   "return y/length(a);"
 "}"
 "float C(float3 f)"
 "{"
   "float y=(f.x*f.x+3)*(f.y*f.y+3)*(f.z*f.z+3)-32*(f.x*f.y*f.z+1);"
   "float3 a=2*f.xyz*(f.yxx*f.yxx+3)*(f.zzy*f.zzy+3)-32*f.yxx*f.zzy;"
   "return y/length(a);"
 "}"
 "float q(float3 f)"
 "{"
   "float y=(f.x*f.x+f.y*f.y+f.z*f.z-1)*(f.x*f.x+f.y*f.y+f.z*f.z-1)-((f.z-1)*(f.z-1)-2*f.x*f.x)*((f.z+1)*(f.z+1)-2*f.y*f.y);"
   "float3 a=4*float3(f.x,f.y,1)*float3(f.x*f.x-f.y*f.y+2*f.z*(f.z+1),-f.x*f.x+f.y*f.y+2*f.z*(f.z-1),f.x*f.x*(2*f.z+1)+f.y*f.y*(2*f.z-1));"
   "return y/length(a);"
 "}"
 "float V(float3 f)"
 "{"
   "float y=(f.x*f.x+f.y*f.y+f.z*f.z)*(f.x*f.x+f.y*f.y+f.z*f.z)+8*f.x*f.y*f.z-10*(f.x*f.x+f.y*f.y+f.z*f.z)+25;"
   "float3 a=4*float3(f.x*f.x*f.x+f.x*(f.y*f.y+f.z*f.z-5)+2*f.y*f.z,f.y*(f.x*f.x+f.z*f.z-5)+2*f.x*f.z+f.y*f.y*f.y,f.x*f.x*f.z+2*f.x*f.y+f.z*(f.y*f.y+f.z*f.z-5));"
   "return y/max(16,length(a));"
 "}"
 "float k(float3 f)"
 "{"
   "float3 y=pow(f*f,1./3.);"
   "float a=y.x+y.y+y.z-1;"
   "float3 z=2*f/(3*y*y);"
   "return a/max(3,length(z));"
 "}"
 "float B(float3 f)"
 "{"
   "float y=(f.x*f.x+1)*(f.y*f.y+1)*(f.z*f.z+1)+8*f.x*f.y*f.z-2;"
   "float3 a=2*f*(f.yxx*f.yxx+1)*(f.zzy*f.zzy+1)+8*f.yxx*f.zzy;"
   "return y/max(1,length(a));"
 "}"
 "float B(float3 f,float y,float z,int a,int l)"
 "{"
   "float x=0;"
   "[unroll]"
   "for(int r=a;r<=l;++r)"
     "x+=pow(abs(dot(f,g[r])),z);"
   "return pow(x,1/z)-y;"
 "}"
 "float B(float3 f,float y,int a,int z)"
 "{"
   "float r=0;"
   "[unroll]"
   "for(int i=a;i<=z;++i)"
     "r=max(r,abs(dot(f,g[i])));"
   "return r-y;"
 "}"
 "float C(float3 f,float y,int a,int z)"
 "{"
   "float r=0;"
   "[unroll]"
   "for(int i=a;i<=z;++i)"
     "r+=pow(abs(dot(f,g[i])),y);"
   "return r;"
 "}"
 "float B(float3 f,float y,float z)"
 "{"
   "float r=0;"
   "[unroll]"
   "for(int a=3;a<=6;++a)"
     "r+=pow(abs(dot(f,g[a])),z);"
   "r+=pow(max(0,-dot(f-float3(0,.95,0),float3(0,1,0))),z);"
   "return pow(r,1/z)-y;"
 "}"
 "float C(float3 f,float y,float z)"
 "{"
   "float r=0;"
   "[unroll]"
   "for(int a=0;a<6;++a)"
     "{"
       "float s=PI/3*a,n=s+PI/6;"
       "r+=pow(max(0,-dot(f,normalize(float3(cos(s),.75,sin(s))))),z);"
       "r+=pow(max(0,dot(f,normalize(float3(cos(n),1.5,sin(n))))),z);"
     "}"
   "r+=pow(max(0,dot(f+float3(0,.5,0),float3(0,1,0))),z);"
   "return pow(r,1/z)-y;"
 "}"
 "float B(float3 f,float y)"
 "{"
   "float r=0;"
   "[unroll]"
   "for(int z=0;z<6;++z)"
     "{"
       "float a=PI/3*z,s=a+PI/6;"
       "r=max(r,-dot(f,normalize(float3(cos(a),.75,sin(a)))));"
       "r=max(r,dot(f,normalize(float3(cos(s),1.5,sin(s)))));"
     "}"
   "r=max(r,dot(f+float3(0,.5,0),float3(0,1,0)));"
   "return r-y;"
 "}"
 "float D(float3 f,float y,float z)"
 "{"
   "float a=2*PI/5,r=0;"
   "[unroll]"
   "for(int i=0;i<5;++i)"
     "r+=pow(abs(dot(f,v[i])),z);"
   "return pow(r,1/z)-y;"
 "}"
 "float C(float3 f,float y)"
 "{"
   "float a=2*PI/5,r=0;"
   "[unroll]"
   "for(int z=0;z<5;++z)"
     "r=max(r,abs(dot(f,v[z])));"
   "return r-y;"
 "}"
 "float M(float3 f,float y,float z)"
 "{"
   "return B(f,y,z,13,18);"
 "}"
 "float O(float3 f,float y,float z)"
 "{"
   "return B(f,y,z,3,6);"
 "}"
 "float P(float3 f,float y,float z)"
 "{"
   "return B(f,y,z,3,12);"
 "}"
 "float R(float3 f,float y,float z)"
 "{"
   "return B(f,y,z,0,6);"
 "}"
 "float V(float3 f,float y,float z)"
 "{"
   "return B(f,y,z,3,18);"
 "}"
 "float D(float3 f,float y)"
 "{"
   "return B(f,y,3,6);"
 "}"
 "float H(float3 f,float y)"
 "{"
   "return B(f,y,13,18);"
 "}"
 "float O(float3 f,float y)"
 "{"
   "return B(f,y,3,12);"
 "}"
 "float P(float3 f,float y)"
 "{"
   "return B(f,y,0,6);"
 "}"
 "float R(float3 f,float y)"
 "{"
   "return B(f,y,3,18);"
 "}"
 "float V(float3 f,float3 y)"
 "{"
   "float3 a=abs(f)-y;"
   "return length(max(a,0))+min(max(max(a.x,a.y),a.z),0);"
 "}"
 "float Y(float3 f,float3 y)"
 "{"
   "float3 a=abs(f)-y;"
   "return max(max(a.x,a.y),a.z);"
 "}"
 "float b(float3 f,float y)"
 "{"
   "return length(f.xz)-y;"
 "}"
 "float Y(float3 f,float3 y,float3 z)"
 "{"
   "float3 a=z-y;"
   "float r=saturate(dot(f-y,a)/dot(a,a));"
   "return length(a*r+y-f);"
 "}"
 "float b(float3 f,float y,float z)"
 "{"
   "return length(float2(length(f.xz)-y,f.y))-z;"
 "}"
 "float i(float3 f,float y)"
 "{"
   "float z=length(f.xz)-y;"
   "return length(float2(f.y,z));"
 "}"
 "float k(float3 f,float y)"
 "{"
   "float z=length(f.xz)-y;"
   "return z<0?abs(f.y):length(float2(f.y,z));"
 "}"
 "float o(float3 f,float2 y)"
 "{"
   "return dot(y,float2(length(f.xz),f.y));"
 "}"
 "float p(float3 f,float2 y)"
 "{"
   "float3 a=abs(f);"
   "return max(a.y-y.y,max(a.z*.866025+a.x*.5,a.x)-y.x);"
 "}"
 "float i(float3 f,float y,float z)"
 "{"
   "float a=.5*y/PI,s=PI*a,r=N(f.z,f.y)*a,n=m(f.x,2*s);"
   "r=abs(r-n);"
   "r=r>s?2*s-r:r;"
   "return length(float2(length(f.yz)-z,r));"
 "}"
 "float q(float3 f,float y)"
 "{"
   "return max(length(f.xz)-y,abs(f.y));"
 "}"
 "float t(float3 f,float y)"
 "{"
   "return length(f)-y;"
 "}"
 "float u(float3 f,float y)"
 "{"
   "float3 z=normalize(float3(-PHI,PHI-1,1)),a=normalize(float3(1,-PHI,PHI+1));"
   "f=abs(f);"
   "f-=2*max(0,dot(f,z))*z;"
   "f-=2*max(0,dot(f,a))*a;"
   "f=abs(f);"
   "f-=2*max(0,dot(f,z))*z;"
   "f-=2*max(0,dot(f,a))*a;"
   "return f.y-y;"
 "}"
 "float W(float3 f)"
 "{"
   "f=abs(f);"
   "if(f.x<max(f.y,f.z))"
     "f=f.yzx;"
   "if(f.x<max(f.y,f.z))"
     "f=f.yzx;"
   "float y=max(max(max(dot(f,normalize(float3(1,1,1))),dot(f.xz,normalize(float2(PHI+1,1)))),dot(f.yx,normalize(float2(1,PHI)))),dot(f.xz,normalize(float2(1,PHI)))),a=length(f);"
   "return a-1.6125+.25*c(0.,.343,sin(acos(y/a-.0075)));"
 "}"
 "float W(float3 f,float y=.5)"
 "{"
   "float a=.125,z=a*y,r=INFINITY;"
   "r=min(r,V(f-float3(0,0,0),float3(a*4,a,z)));"
   "r=min(r,V(f-float3(0,-a*2.5,0),float3(a,a*3.5,z)));"
   "f.x=abs(f.x);"
   "r=min(r,V(f-float3(a*7.5,0,0),float3(a*.5,a*8,z)));"
   "r=min(r,V(f-float3(a*3,a*2.5,0),float3(a,a*3.5,z)));"
   "f.y=abs(f.y);"
   "r=min(r,V(f-float3(0,a*7.5,0),float3(a*8,a*.5,z)));"
   "r=min(r,V(f-float3(0,a*3,0),float3(a*4,a,z)));"
   "return r;"
 "}"
 "float Z(float3 f)"
 "{"
   "float y=length(f.xz);"
   "float3 r=float3(y,f.y,0);"
   "r=E(r.yxz,PI/3,-.25,-.25,0.).yxz;"
   "r=E(r.yxz,-PI/2,0.,0.,1.5).yxz;"
   "r=E(r.yxz,-PI/2,-.75,-.75,-1.5).yxz;"
   "return V(r,float3(.05-abs(r.y)*.02,1.5,.1))*.8;"
 "}"
 "float Q(float3 f)"
 "{"
   "if(length(f)>1.41)"
     "return length(f)-1.4;"
   "const float4 y[]={float4(1.,0.,0.,2.5),float4(-1.,0.,0.,2.5),float4(1.,2.,0.,2.5),float4(-1.,2.,0.,2.5),float4(1.,4.,0.,1.),float4(-1.,4.,0.,1.),float4(1.5,0.,1.5,1.2),float4(-1.5,0.,1.5,1.2),float4(1.55,2.,1.5,0.),float4(-1.5,2.,1.5,0.),float4(1.3,4.8,-.2,.3),float4(-1.3,4.8,-.2,.3),float4(0.,4.,1.,0.)};"
   "float a=.1;"
   "f/=a;"
   "f.y+=4.8/2;"
   "float r=0;"
   "for(int z=0;z<13;++z)"
     "r+=.5-atan(length(f-3*y[z].xyz)-y[z].w)/PI;"
   "return(tan((-clamp(r,.0001,.78)-.5)*PI)+1)*a;"
 "}\n"
 "#endif\n"
 "RWTexture2D<float4> K:register(u0);"
 "SamplerState J:register(s0);"
 "Texture2D j:register(t0);\n"
 "#define NUM_ST_ITERATIONS 80\n"
 "#define NUM_ST_ITERATIONS_REFLECTIONS 80\n"
 "#define NUM_ST_ITERATIONS_REFRACTIONS 80\n"
 "#define USE_SOR\n"
 "#define SOR_OMEGA 1.3\n"
 "#define USE_ERROR_SMOOTHING\n"
 "#define NUM_ERROR_SMOOTHING_ITERATIONS 3\n"
 "#define _USE_ERROR_SMOOTHING_ALONG_NORMAL\n"
 "#define NUM_REFRACTIONS 8\n"
 "#define NUM_REFLECTIONS 2\n"
 "#define FOV 45\n"
 "static const float3 ab=float3(-.5,5.5,5);"
 "static const float ac=.75;"
 "static const float3 ad=10*float3(1,.8,.7);\n"
 "#define GRADIENT_EPSILON_THRESHOLD 0.00045\n"
 "#define GRADIENT_EPSILON_MINIMUM 0.0004\n"
 "#define POSITION_EPSILON_THRESHOLD 0.0045\n"
 "#define POSITION_EPSILON_MINIMUM 0.004\n"
 "float Q(float3 f,bool a,bool z)"
 "{"
   "float r=f.y+1.65,n=-t(f,10),x=2*PI/3,s=0*y*.3;"
   "float3 i=f-1.85*float3(sin(x*2+s),0,cos(x*2+s)),d=f-1.85*float3(sin(x*1+s),.1,cos(x*1+s)),c=mul(t(.65),mul(t(-PI/5),(f-2*float3(sin(x*3+s),0,cos(x*3+s))).xzy).zyx);"
   "float b=W(i),P=O(d,1.4,30);"
   "P*=z?1.025:1;"
   "float l=B(c,1),e=B(c,1,40);"
   "e*=z?1.025:1;"
   "l=lerp(l,e,.4);"
   "float o=INFINITY;"
   "I(o,r,a,v(float3(.5,.5,.5)));"
   "I(o,n,a,v(float3(.5,.5,.5)));"
   "I(o,e,a,F(float3(.1,1.9,.5),1.5,0.));"
   "I(o,b,a,F(float3(.1,.5,1.9),1.1,.2));"
   "I(o,P,a,F(float3(1.9,.5,.1),1.3));"
   "return o;"
 "}"
 "float W(float3 f,float y,bool z)"
 "{"
   "float a=length(f.xz),r=a-1.5;"
   "r=max(r,f.y);"
   "if(r>.1)"
     "return r;"
   "float s=a-1;"
   "s=max(s,.8-a);"
   "s=I(s,-f.y,.05);"
   "float x=2*3.14159/12,n=2*3.14159/48,b=N(f.z,f.x),i=b+x*.5,c=b+n*.5;"
   "i=m(i,x)-x*.5;"
   "c=m(c,n)-n*.5;"
   "f.xz=float2(cos(i),sin(i))*a;"
   "float3 l=float3(cos(c)*a,f.y,sin(c)*a),d=f;"
   "f+=float3(-.9,.3,0.);"
   "f.z=abs(f.z);"
   "f.x-=.2;"
   "f.z-=.3;"
   "s=max(s,.2-length(f.xz));"
   "d+=float3(-1,12,0);"
   "float e=V(d,float3(.35,10+.2,.4));"
   "e=L(e,V(d,float3(.5,10+.3,.2)),.05);"
   "d.x-=.1;"
   "l.x-=.8;"
   "s=max(s,.03-length(l.xz));"
   "s=min(s,e);"
   "f+=float3(-.2,.6,.25);"
   "f=E(f.yxz,-PI/4,0,0,.25).yxz;"
   "float P=length(f.xz)-.047;"
   "P=max(P,-.2-d.x);"
   "I(y,s,z,v(float3(.8,.9,1)));"
   "M(s,P,z,F(8*float3(.1,.5,1.9),1.3,.25));"
   "return s;"
 "}"
 "float Z(float3 f,bool y,bool z)"
 "{"
   "float a=f.y+2.05,r=-t(f,20),s=W(f)*(z?1:.67),n=V(f-float3(0,0,0),float3(1,1,1)),x=max(max(t(f-float3(0,1,0),2),-t(f-float3(0,1.1,0),1.95)),f.y-1.7)*(z?1:.9),b=O(f,1.4,30)*(z?1:.9),d=u(f,1),e=INFINITY;"
   "I(e,a,y,v(3*float3(.5,.5,.5)));"
   "I(e,r,y,v(3*float3(.5,.5,.5)));"
   "I(e,x,y,E(f*float3(.25,.25,200)));"
   "return e;"
 "}"
 "float k(float3 f,bool y,bool z)"
 "{"
   "float a=f.y+2.05,r=-t(f,10),s=W(f),e=INFINITY;"
   "I(e,a,y,v(float3(.5,.5,.5)));"
   "I(e,r,y,v(float3(.5,.5,.5)));"
   "I(e,s,y,F(float3(.1,1.9,.5),1.1));"
   "return e;"
 "}"
 "float o(float3 f,bool y,bool z)"
 "{"
   "float a=INFINITY,r=-Y(f,float3(10,10,10));"
   "I(a,r,y,v(float3(.5,.5,.5)));"
   "float s=W(f);"
   "M(a,s,y,F(1*float3(0.,.3333,1.),1.1));"
   "return a;"
 "}"
 "float ae(float3 f)"
 "{"
   "return o(f,true,false);"
 "}"
 "float af(float3 f)"
 "{"
   "return o(f,false,true);"
 "}"
 "float ag(float3 f)"
 "{"
   "return o(f,false,false);"
 "}"
 "float3 Q(float3 f,float y)"
 "{"
   "const float3 a[]={{y,0,0},{-y,0,0},{0,y,0},{0,-y,0},{0,0,y},{0,0,-y}};"
   "float r[6];"
   "for(int z=0;z<6;++z)"
     "r[z]=af(f+a[z]);"
   "return float3(r[0]-r[1],r[2]-r[3],r[4]-r[5]);"
 "}"
 "float ae(float3 f,float3 y,float a)"
 "{"
   "return(ag(f+a*y)-2*ag(f)+ag(f-a*y))/(a*a);"
 "}"
 "float D(float3 f,float3 y,float3 z,float a)"
 "{"
   "return(ag(f+a*y+a*z)-ag(f+a*y-a*z)+ag(f-a*y-a*z)-ag(f-a*y+a*z))/(4*a*a);"
 "}"
 "float3x3 Z(float3 f,float y)"
 "{"
   "float3 a=float3(1,0,0),r=float3(0,1,0),z=float3(0,0,1),s=float3(D(f,a,y),D(f,r,y),D(f,z,y)),n=float3(D(f,a,r,y),D(f,r,z,y),D(f,z,a,y));"
   "return float3x3(s.x,n.x,n.z,n.x,s.y,n.y,n.z,n.y,s.z);"
 "}"
 "float af(float3 f,float3 y,float z)"
 "{"
   "float3x3 a=Z(f,z);"
   "return dot(mul(c(a),y),y);"
 "}"
 "float ag(float3 f,float3 y,float z)"
 "{"
   "float3x3 a=Z(f,z);"
   "float r=a[0][0]+a[1][1]+a[2][2];"
   "return-dot(mul(a,y),y)+r;"
 "}"
 "float C(float3 f,float3 y,float a,float z,float r)"
 "{"
   "float s=1,x=1;"
   "for(float i=1;i<=r;++i)"
     "s-=(i*a*z-abs(ag(f+y*i*z)))/(x*=2);"
   "return saturate(s);"
 "}"
 "float E(float3 f,float3 y,float z,float a)"
 "{"
   "float r=1,x=1;"
   "for(float s=1;s<=a;++s)"
     "r-=(s*z-abs(ag(f+y*s*z)))/(x*=2);"
   "return saturate(r);"
 "}"
 "float3 F(float3 f,float3 y,float3 z,float a)"
 "{"
   "float r=E(f,z,.3,4);"
   "float3 s=reflect(y,z);"
   "float n=saturate(-dot(z,y)),x=C(f,s,n,.1,4);"
   "x*=x;"
   "float i=saturate(max(X.roughness,a)),b=X.metallic,d=lerp(.04,1.,b);"
   "float3 c=lerp(1,X.color,b)*lerp(1,r,i)*x,e=lerp(X.color,0,b)*r,l=G(f,z,-y,s,ab,ac,e,c,i,d)*ad;"
   "l+=X.emissive;"
   "return l;"
 "}"
 "float3 p(float3 f,float y,out float r)"
 "{"
   "float z=max(abs(y),GRADIENT_EPSILON_MINIMUM);"
   "float3 a=Q(f,z);"
   "float s=length(a);"
   "r=1-saturate(s/(2*z));"
   "return a/s;"
 "}"
 "void B(float3 f,float3 y,float a,float z,inout float3 r,inout float s)"
 "{"
   "for(int i=0;i<NUM_ERROR_SMOOTHING_ITERATIONS;++i)"
     "r-=a*y*(s-ag(r)),s=z*a*distance(f,r);"
 "}"
 "void C(float3 f,float3 y,float a,float z,inout float3 r,inout float s)"
 "{"
   "for(int i=0;i<NUM_ERROR_SMOOTHING_ITERATIONS;++i)"
     "r+=y*(s-ag(r)),s=z*a*distance(f,r);"
 "}\n"
 "#define ST_T(X)(X).x\n"
 "#define ST_SIGN(X)((X).y<0?-1:+1)\n"
 "#define ST_ABS_RADIUS(X)abs((X).y)\n"
 "#define ST_RADIUS(X)(X).y\n"
 "#define ST_HIT(X)((X).x!=INFINITY)\n"
 "float2 D(float3 f,float3 y,float z,float a,int r,bool s)"
 "{"
   "float l=.0001,x=SOR_OMEGA,n=l,b=0,m=0,d=ag(f)<0?-1:1;"
   "float2 i={0,INFINITY};"
   "for(int e=0;e<r;++e)"
     "{"
       "float c=d*ag(y*n+f),I=abs(c);"
       "\n#ifdef USE_SOR\n"
       "bool X=x>1&&I+b<m;"
       "if(X)"
         "m=m-x*m,x=1;"
       "else"
         " m=c*x;"
       "\n#else\n"
       "m=c;"
       "\n#endif\n"
       "b=I;"
       "float P=I/n;"
       "\n#ifdef USE_SOR\n"
       "if(!X&&P<i.y)"
         "i=float2(n,P);"
       "if(!X&&P<a||n>z)"
         "break;"
       "\n#else\n"
       "if(P<i.y)"
         "i=float2(n,P);"
       "if(P<a||n>z)"
         "break;"
       "\n#endif\n"
       "n+=m;"
     "}"
   "return float2((n>z||i.y>a)&&!s?INFINITY:i.x,d*max(i.x*i.y,POSITION_EPSILON_MINIMUM));"
 "}"
 "float3 D(float3 f,float3 y,float3 a,float2 r,float z)"
 "{"
   "bool i=true;"
   "float3 x=1,s=0;"
   "[fastopt]"
   "for(int n=0;n<NUM_REFLECTIONS&&i;++n)"
     "{"
       "x*=saturate(1-G(y,a,1,X.eta));"
       "y=reflect(y,a);"
       "f+=a*ST_ABS_RADIUS(r);"
       "r=D(f,y,30,z,NUM_ST_ITERATIONS_REFLECTIONS,true);"
       "if(!ST_HIT(r))"
         "break;"
       "float3 l=y*ST_T(r)+f;"
       "float b=z*ST_SIGN(r)*ST_T(r);"
       "\n#if defined(USE_ERROR_SMOOTHING)&&!defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
       "B(f,y,ST_SIGN(r),z,l,b);"
       "\n#endif\n"
       "float d;"
       "a=p(l,b,d);"
       "\n#if defined(USE_ERROR_SMOOTHING)&&defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
       "C(f,a,ST_SIGN(r),z,l,b);"
       "\n#endif\n"
       "ST_RADIUS(r)=ST_SIGN(r)*max(abs(ae(l)),POSITION_EPSILON_MINIMUM);"
       "i=F(X);"
       "a*=ST_SIGN(r);"
       "if(!i)"
         "s=x*F(l,y,a,d);"
       "f=l;"
     "}"
   "return s;"
 "}"
 "float3 F(float3 f,float3 y,float3 a,float2 r,float z)"
 "{"
   "bool i=true;"
   "float3 x=1,s=0;"
   "[fastopt]"
   "for(int n=0;n<NUM_REFRACTIONS&&i;++n)"
     "{"
       "float b=1.,d=X.eta;"
       "if(ST_SIGN(r)<0)"
         "b=X.eta,d=1.;"
       "x*=saturate(G(y,a,b,d));"
       "float3 l=refract(y,a,b/d);"
       "bool c=abs(dot(l,l))==0;"
       "y=c?reflect(y,a):l;"
       "f-=2*a*(c?-1:1)*ST_ABS_RADIUS(r);"
       "r=D(f,y,30,z,NUM_ST_ITERATIONS_REFRACTIONS,true);"
       "if(!ST_HIT(r))"
         "break;"
       "float3 m=y*ST_T(r)+f;"
       "float P=z*ST_SIGN(r)*ST_T(r);"
       "\n#if defined(USE_ERROR_SMOOTHING)&&!defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
       "B(f,y,ST_SIGN(r),z,m,P);"
       "\n#endif\n"
       "float e;"
       "a=p(m,abs(P),e);"
       "if(ST_SIGN(r)<0)"
         "x*=exp(-ST_T(r)*X.attenuation.xyz);"
       "\n#if defined(USE_ERROR_SMOOTHING)&&defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
       "C(f,a,ST_SIGN(r),z,m,P);"
       "\n#endif\n"
       "ST_RADIUS(r)=ST_SIGN(r)*max(abs(ae(m)),POSITION_EPSILON_MINIMUM);"
       "i=o(X);"
       "a=dot(y,a)>0?-a:a;"
       "if(!i||i&&n<=1)"
         "s+=F(m,y,a,e)*x;"
       "f=m;"
     "}"
   "return s;"
 "}"
 "float3 q(float3 f,float3 y,float z)"
 "{"
   "float2 a=D(f,y,30,z,NUM_ST_ITERATIONS,true);"
   "float3 r=y*ST_T(a)+f;"
   "float s=z*ST_SIGN(a)*ST_T(a);"
   "\n#if defined(USE_ERROR_SMOOTHING)&&!defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
   "B(f,y,ST_SIGN(a),z,r,s);"
   "\n#endif\n"
   "float n;"
   "float3 x=p(r,s,n)*ST_SIGN(a);"
   "\n#if defined(USE_ERROR_SMOOTHING)&&defined(USE_ERROR_SMOOTHING_ALONG_NORMAL)\n"
   "C(f,x,ST_SIGN(a),z,r,s);"
   "\n#endif\n"
   "ST_RADIUS(a)=ST_SIGN(a)*max(abs(ae(r)),POSITION_EPSILON_MINIMUM);"
   "float3 i=F(r,y,x,n);"
   "Material c=X;"
   "if(o(c))"
     "i+=F(r,y,dot(y,x)>0?-x:x,a,z);"
   "if(F(c))"
     "i+=D(r,y,x,a,z);"
   "if(ST_SIGN(a)<0)"
     "i*=exp(-ST_T(a)*c.attenuation.xyz);"
   "return i;"
 "}"
 "[numthreads(16,16,1)]"
 "void ah(int3 f:SV_DispatchThreadID)"
 "{"
   "float2 y;"
   "K.GetDimensions(y.x,y.y);"
   "float2 a=(f.xy+.5)/y,r=(a*2-1)*float2(y.x/y.y,-1.);"
   "float3 s=cross(d,z),n=z,b=-d,x=l,i=normalize(mul(transpose(float3x3(s,n,b)),float3(r/2,-.5/tan(1.57075*FOV/180.))));"
   "float c=tan(1.57075*FOV/180.)/y.y;"
   "float3 m=q(x,i,c);"
   "float4 e=float4(m,1);"
   "if(isnan(dot(e,e))||isinf(dot(e,e)))"
     "{"
       "K[f.xy]=float4(0,1,0,1);"
       "return;"
     "}"
   "K[f.xy]=e;"
 "}";

#endif // SHADER_CODE_H_