shaders/scene_sfd.vs

   1 layout (location=0) in vec3  a_co;
   2 layout (location=1) in vec4  a_norm;
   3 layout (location=2) in vec2  a_uv;
   4
   5 #include "motion_vectors_vs.glsl"
   6
   7 uniform mat4x3 uMdl;
   8 uniform mat4   uPv;
   9 uniform mat4   uPvmPrev;
  10 uniform vec3   uInfo;
  11
  12 out vec2 aUv;
  13 out vec4 aNorm;
  14 out vec3 aCo;
  15 out vec3 aWorldCo;
  16
  17 void main()
  18 {
  19    float w = ((a_norm.w)-0.5)*2.0 + fract(uInfo.z) - 0.0;
  20    float c = -cos(w*0.6);
  21    float s = -sin(w*0.6);
  22    float r = 0.2;
  23
  24    float w1 = clamp( w*4.0 - a_co.y*10.0, -1.0, 1.0 ) * (3.14159265*0.5);
  25    float c1 = cos(w1);
  26    float s1 = sin(w1);
  27
  28    float yoff = step(0.01,fract(uInfo.z))*-0.5;
  29
  30    mat4x3 mlocal;
  31    mlocal[0] = vec3(c1, s1,0.0);
  32    mlocal[1] = vec3(-s1,c1,0.0);
  33    mlocal[2] = vec3(0.0,0.0,1.0);
  34    mlocal[3] = vec3(c*r,uInfo.y*0.875 + s*r,uInfo.x*0.5);
  35
  36    vec3 local_pos0 = mlocal * vec4( a_co, 1.0 );
  37    vec3 world_pos0 = uMdl * vec4( local_pos0, 1.0 );
  38
  39    vec4 vproj0     = uPv      * vec4( world_pos0, 1.0 );
  40    vec4 vproj1     = uPvmPrev * vec4( local_pos0, 1.0 );
  41
  42    vs_motion_out( vproj0, vproj1 );
  43
  44    gl_Position = vproj0;
  45
  46    aUv = a_uv + vec2( floor(uInfo.z+0.5)*(1.0/64.0), yoff );
  47    aNorm = vec4( mat3(uMdl) * mat3(mlocal) * a_norm.xyz, a_norm.w );
  48    aCo = a_co;
  49    aWorldCo = world_pos0;
  50 }