port from perforce

evoke-64k/ev15-4k/shader_code.h

@@ -0,0 +1,163 @@
+/* File generated with Shader Minifier 1.0.3
+ * http://www.ctrl-alt-test.fr
+ */
+#ifndef SHADER_CODE_H_
+# define SHADER_CODE_H_
+# define V_Y "v"
+# define V_Z "m"
+
+const char *mark_fs = ""
+ "varying vec4 v;"
+ "varying vec2 m;"
+ "vec3 f,z;"
+ "float x=6.28319;"
+ "vec2 n(vec2 f,float v)"
+ "{"
+   "return cos(v)*f+sin(v)*vec2(-f.y,f.x);"
+ "}"
+ "void i(inout vec3 v,float f)"
+ "{"
+   "float z=mod(atan(v.z,v.x),f)-f*.5;"
+   "v.xz=length(v.xz)*vec2(cos(z),sin(z));"
+ "}"
+ "float i(vec3 v,float f,float z)"
+ "{"
+   "return length(vec2(length(v.xz)-f,v.y))-z;"
+ "}"
+ "float s(vec3 v,float z)"
+ "{"
+   "return length(v)-z;"
+ "}"
+ "float i(vec3 v)"
+ "{"
+   "return v.y+.6;"
+ "}"
+ "float n(vec3 v)"
+ "{"
+   "return min(s(v+vec3(0,8.,0),8.5),i(v,2.3,.5));"
+ "}"
+ "float s(vec3 v)"
+ "{"
+   "float z=max(s(v,6.),v.y);"
+   "i(v,x/64.);"
+   "v.x=abs(v.x-5.)-2.;"
+   "float f=mix(length(v.yz),length(v.xyz),step(0.,v.x));"
+   "return min(z,f-.4);"
+ "}"
+ "float l(vec3 f)"
+ "{"
+   "return f.y-=4.,f.xz=n(f.xz,v.y*6.),i(f,x/12.),f.yz=n(f.yz,x/4.),min(i(f,2.,.15),s(f,1.5));"
+ "}"
+ "float h(vec3 v)"
+ "{"
+   "return min(min(min(i(v),n(v)),s(v)),l(v));"
+ "}"
+ "int g(vec3 v)"
+ "{"
+   "float z=1000.;"
+   "int f;"
+   "if(i(v)<z)"
+     "z=i(v),f=0;"
+   "if(n(v)<z)"
+     "z=n(v),f=1;"
+   "if(s(v)<z)"
+     "z=s(v),f=2;"
+   "if(l(v)<z)"
+     "z=l(v),f=3;"
+   "return f;"
+ "}"
+ "vec3 p(vec3 v)"
+ "{"
+   "vec3 z=vec3(.04,0.,0.),f;"
+   "f.x=h(v+z.xyy)-h(v-z.xyy);"
+   "f.y=h(v+z.yxy)-h(v-z.yxy);"
+   "f.z=h(v+z.yyx)-h(v-z.yyx);"
+   "return normalize(f);"
+ "}"
+ "float e(vec3 v)"
+ "{"
+   "float z=1.;"
+   "for(float f=.2;f<12.;f=f*1.1+.125)"
+     "z+=min(h(v+vec3(0.,1.,0.)*f),0.);"
+   "return clamp(z,.2,1.);"
+ "}"
+ "float e(vec3 v,vec3 f,float z,float i)"
+ "{"
+   "float x,y=sign(z);"
+   "for(x=y*.5+.5;i>0.;i--)"
+     "x-=(i*z-h(v+f*i*z*y))/exp2(i);"
+   "return x;"
+ "}"
+ "vec3 t(vec3 v)"
+ "{"
+   "float z=.3+.3*dot(v,vec3(0.,1.,0.));"
+   "i(v,x/16.);"
+   "v.x=abs(v.x-.2)-.08;"
+   "float f=mix(abs(v.z),length(v.xz),step(0.,v.x));"
+   "z+=pow(smoothstep(.1,0.,f),15.);"
+   "return vec3(z);"
+ "}"
+ "float c(vec3 v)"
+ "{"
+   "float z=abs(v.y-.9);"
+   "return.4+.3*(1-z);"
+ "}"
+ "void main()"
+ "{"
+   "int x=int(v.y);"
+   "float y=mod(v.y,1.);"
+   "z=vec3(m.xy-.5,1);"
+   "f=vec3(-30.-y*5.,3.,-16.+y*24.);"
+   "z.xz=n(z.xz,y*-2.5);"
+   "if(false)"
+     "{"
+       "f.x=gl_ModelViewMatrix[0][0];"
+       "f.y=gl_ModelViewMatrix[0][1];"
+       "f.z=gl_ModelViewMatrix[0][2];"
+       "float i=gl_ModelViewMatrix[1][1],s,r;"
+       "vec3 l=vec3(m.xy-.5,1);"
+       "s=cos(i);"
+       "r=sin(i);"
+       "z.y=s*l.y-r*l.z;"
+       "z.x=l.x;"
+       "z.z=r*l.y+s*l.z;"
+       "i=gl_ModelViewMatrix[1][0];"
+       "l=z;"
+       "s=cos(i);"
+       "r=sin(i);"
+       "z.x=s*l.x+r*l.z;"
+       "z.z=-r*l.x+s*l.z;"
+     "}"
+   "z=normalize(z);"
+   "vec3 i=vec3(0.,0.,0.);"
+   "float s=1.,l=0.,r=256.,a;"
+   "while(s>.1)"
+     "{"
+       "for(a=1.;l<r&&a>.05;l+=a)"
+         "a=h(f+z*l);"
+       "if(l<r)"
+         "{"
+           "f+=z*l;"
+           "vec3 o=p(f);"
+           "z=reflect(z,o);"
+           "l=.1;"
+           "vec3 d=vec3(.3,.2,.1);"
+           "float u=.125;"
+           "int M=g(f);"
+           "if(M==1)"
+             "d=vec3(.1,.1,.1),u=.8;"
+           "if(M==2)"
+             "d=vec3(.4,.3,.03),u=.2;"
+           "if(M==3)"
+             "d=vec3(.7,0.,0.),u=.2;"
+           "d*=c(o)*e(f)*e(f,o,.4,10.);"
+           "i+=s*d;"
+           "s*=u;"
+         "}"
+       "else"
+         " i+=s*t(z),s=0.;"
+     "}"
+   "gl_FragColor.xyz=i;"
+ "}";
+
+#endif // SHADER_CODE_H_