port from perforce

ev4k/mark_small.h

@@ -0,0 +1,116 @@
+/* File generated with Shader Minifier 1.0.3
+ * http://www.ctrl-alt-test.fr
+ */
+#ifndef MARK_SMALL_H_
+# define MARK_SMALL_H_
+# define V_Y "v"
+# define V_Z "m"
+
+const char *mark_fs_0 = ""
+ "varying vec4 v;"
+ "varying vec2 m;"
+ "float z=6.28319;"
+ "vec2 n(vec2 v,float m)"
+ "{"
+   "return cos(m)*v+sin(m)*vec2(-v.y,v.x);"
+ "}"
+ "void n(inout vec2 v,float m,float l)"
+ "{"
+   "float z=mod(atan(v.y,v.x),l)-l*.5;"
+   "v=length(v)*vec2(cos(z),sin(z));"
+   "v.x-=m;"
+ "}"
+ "float f(vec3 v,float z)"
+ "{"
+   "return length(vec2(length(v.xz)-z,v.y));"
+ "}"
+ "float f(vec3 v)"
+ "{"
+   "return v.y+.6;"
+ "}"
+ "float n(vec3 v)"
+ "{"
+   "return min(length(v+vec3(0,8.,0))-8.5,f(v,2.3)-.5);"
+ "}"
+ "float s(vec3 v)"
+ "{"
+   "float m=max(length(v)-6.,v.y);"
+   "n(v.xz,5.,z/64.);"
+   "v.x=abs(v.x)-2.;"
+   "float l=mix(length(v.yz),length(v.xyz),step(0.,v.x));"
+   "return min(m,l-.4);"
+ "}"
+ "float h(vec3 m)"
+ "{"
+   "m.y-=4.;"
+   "m.xz=n(m.xz,v.y*6.);"
+   "n(m.xz,0.,z/3.);"
+   "m.yz=n(m.yz,z/4.);"
+   "float l=f(m,2.4)-.5;"
+   "return min(max(.5-l,length(m)-1.5),l);"
+ "}"
+ "float l(vec3 v)"
+ "{"
+   "return min(min(min(f(v),n(v)),s(v)),h(v));"
+ "}"
+ "void main()"
+ "{"
+   "vec3 y=vec3(m.xy-.5,1),x=vec3(-30.-v.y*5.,3.,-16.+v.y*24.);"
+   "y.xz=n(y.xz,v.y*-2.5);"
+   "y=normalize(y);"
+   "vec3 i=vec3(0.,0.,0.);"
+   "float a=1.,r=0.,e=99.,c;"
+   "while(a>.1)"
+     "{"
+       "for(c=1.;r<e&&c>.005;r+=c)"
+         "c=l(x+y*r);"
+       "if(r<e)"
+         "{"
+           "x+=y*r;"
+           "vec3 t=vec3(.04,0.,0.),w=vec3(l(x+t.xyy)-l(x-t.xyy),l(x+t.yxy)-l(x-t.yxy),l(x+t.yyx)-l(x-t.yyx));"
+           "w=normalize(w);"
+           "y=reflect(y,w);"
+           "r=.1;"
+           "float p=999.;"
+           "vec3 o=vec3(.3,.2,.1);"
+           "float g=.125;"
+           "if(p>f(x))"
+             "p=f(x);"
+           "if(p>n(x))"
+             "p=n(x),o=vec3(.1,.1,.1),g=.8;"
+           "if(p>s(x))"
+             "p=s(x),o=vec3(.4,.3,.03),g=.2;"
+           "if(p>h(x))"
+             "p=h(x),o=vec3(.7,0.,0.),g=.3;"
+           "p=1.;"
+           "for(float u=.2;u<12.;u=u*1.1+.125)"
+             "p+=min(l(x+vec3(0.,1.,-.5)*u),0.);"
+           "o*=clamp(p,.2,1.);"
+           "float u=10.;"
+           "for(p=1.;u>0.;u--)"
+             "p-=(u*.4-l(x+w*u*.4))/exp2(u);"
+           "o*=p;"
+           "w.yz=n(w.yz,.6);"
+           "o*=.4+.3*(1.-abs(w.y-.9));"
+           "i+=a*o;"
+           "a*=g;"
+         "}"
+       "else"
+         "{"
+           "y.yz=n(y.yz,.6);"
+           "float u=.4+.4*y.y;"
+           "if(y.y>0.)"
+             "{"
+               "n(y.xz,.2,z/16.);"
+               "y.x=abs(y.x)-.08;"
+               "float o=mix(abs(y.z),length(y.xz),step(0.,y.x));"
+               "u+=pow(smoothstep(.2,0.,o),40.);"
+             "}"
+           "i+=a*u.xxx;"
+           "a=0.;"
+         "}"
+     "}"
+   "gl_FragColor.xyz=i;"
+ "}";
+
+#endif // MARK_SMALL_H_