shaders/scene_vertex_blend.fs

   1 uniform sampler2D uTexGarbage;
   2 uniform sampler2D uTexGradients;
   3 uniform vec3 uCamera;
   4
   5 #include "light_clearskies_stddef.glsl"
   6 #include "common_scene.glsl"
   7 #include "motion_vectors_fs.glsl"
   8
   9 void main()
  10 {
  11    compute_motion_vectors();
  12
  13    vec3 vfrag = vec3(0.5,0.5,0.5);
  14
  15    // ws modulation
  16    vec4 wgarbage = vec4(0.5,0.5,0.5,1.0);
  17
  18    // Creating normal patches
  19    vec3 modnorm = (wgarbage.rgb-0.4) * 1.4;
  20    vec3 qnorm = normalize(floor(aNorm.xyz*4.0+modnorm)*0.25);
  21    qnorm += vec3(0.001,0.0,0.0);
  22
  23    vec3 tangent0 = normalize(cross(qnorm,vec3(0.0,1.0,0.0)));
  24    vec3 tangent1 = cross(qnorm,tangent0);
  25    vec2 uvdiffuse = vec2( dot(tangent0,aCo), dot(tangent1,aCo) ) * 0.160;
  26
  27    // Patch local noise
  28    vec4 rgarbage = texture( uTexGarbage, uvdiffuse );
  29
  30    // Colour blending
  31    float fblendclip = step(0.380,aNorm.w + (rgarbage.r-0.5)*-1.740)*0.320;
  32    vec2 uvgradients = aUv + vec2( fblendclip, 0.0 );
  33
  34    vfrag = texture( uTexGradients, uvgradients ).rgb;
  35    vfrag -= rgarbage.a*0.04;
  36
  37    if( g_light_preview == 1 )
  38    {
  39       vfrag = vec3(0.5);
  40    }
  41
  42    vfrag = scene_compute_lighting( vfrag, qnorm, aWorldCo );
  43    oColour = vec4(vfrag, 1.0);
  44 }