shaders/scene_vertex_blend.fs

   1 uniform sampler2D uTexGarbage;
   2 uniform sampler2D uTexGradients;
   3 uniform vec3 uCamera;
   4
   5 #include "common_scene.glsl"
   6 #include "motion_vectors_fs.glsl"
   7
   8 void main()
   9 {
  10    compute_motion_vectors();
  11
  12    vec3 vfrag = vec3(0.5,0.5,0.5);
  13
  14    // ws modulation
  15    vec4 wgarbage = vec4(0.5,0.5,0.5,1.0);
  16
  17    // Creating normal patches
  18    vec3 modnorm = (wgarbage.rgb-0.4) * 1.4;
  19    vec3 qnorm = normalize(floor(aNorm.xyz*4.0+modnorm)*0.25);
  20    qnorm += vec3(0.001,0.0,0.0);
  21
  22    vec3 tangent0 = normalize(cross(qnorm,vec3(0.0,1.0,0.0)));
  23    vec3 tangent1 = cross(qnorm,tangent0);
  24    vec2 uvdiffuse = vec2( dot(tangent0,aCo), dot(tangent1,aCo) ) * 0.160;
  25
  26    // Patch local noise
  27    vec4 rgarbage = texture( uTexGarbage, uvdiffuse );
  28
  29    // Colour blending
  30    float fblendclip = step(0.380,aNorm.w + (rgarbage.r-0.5)*-1.740)*0.320;
  31    vec2 uvgradients = aUv + vec2( fblendclip, 0.0 );
  32
  33    vfrag = texture( uTexGradients, uvgradients ).rgb;
  34    vfrag -= rgarbage.a*0.04;
  35
  36    if( g_light_preview == 1 )
  37    {
  38       vfrag = vec3(0.5);
  39    }
  40
  41    vfrag = scene_compute_lighting( vfrag, qnorm, aWorldCo );
  42    oColour = vec4(vfrag, 1.0);
  43 }