shaders/route.fs

   1 uniform sampler2D uTexGarbage;
   2 uniform sampler2D uTexGradients;
   3 uniform vec3 uCamera;
   4 uniform vec4 uColour;
   5
   6 in vec4 aColour;
   7 in vec2 aUv;
   8 in vec3 aNorm;
   9 in vec3 aCo;
  10 in vec3 aWorldCo;
  11
  12 #include "common_world.glsl"
  13 #include "motion_vectors_fs.glsl"
  14
  15 void main()
  16 {
  17    compute_motion_vectors();
  18
  19    vec3 vfrag = vec3(0.5,0.5,0.5);
  20
  21    // ws modulation
  22    vec4 wgarbage = texture( uTexGarbage, aCo.xz * 0.015 );
  23
  24    // Creating normal patches
  25    vec3 modnorm = (wgarbage.rgb-0.4) * 1.4;
  26    vec3 qnorm = normalize(floor(aNorm*4.0+modnorm)*0.25) + vec3(0.001,0.0,0.0);
  27
  28    vec3 tangent0 = normalize(cross(qnorm,vec3(0.0,1.0,0.0)));
  29    vec3 tangent1 = cross(qnorm,tangent0);
  30    vec2 uvdiffuse = vec2( dot(tangent0,aCo), dot(tangent1,aCo) ) * 0.035;
  31
  32    // Patch local noise
  33    vec4 rgarbage = texture( uTexGarbage, uvdiffuse );
  34
  35    vfrag = pow(uColour.rgb,vec3(1.0/2.2));
  36    vfrag -= rgarbage.a*0.1;
  37
  38    if( wgarbage.g < 0.3 )
  39       discard;
  40
  41    if( g_light_preview == 1 )
  42    {
  43       vfrag = vec3(0.5);
  44    }
  45
  46    // Lighting
  47    vec3 halfview = uCamera - aWorldCo;
  48    float fdist = length( halfview );
  49    halfview /= fdist;
  50
  51    vfrag = do_light_diffuse( vfrag, qnorm );
  52    vfrag = do_light_spec( vfrag, qnorm, halfview, 0.1 );
  53    vfrag = do_light_shadowing( vfrag );
  54    vfrag = apply_fog( vfrag, fdist );
  55
  56    oColour = vec4(vfrag, 1.0 );
  57 }