shaders/model_skinned.vs

   1 layout (location=0) in vec3 a_co;
   2 layout (location=1) in vec3 a_norm;
   3 layout (location=2) in vec2 a_uv;
   4 layout (location=3) in vec4 a_colour;
   5 layout (location=4) in vec4 a_weights;
   6 layout (location=5) in ivec4 a_groups;
   7
   8 #include "motion_vectors_vs.glsl"
   9
  10 uniform mat4 uPv;
  11 uniform mat4x3 uTransforms[32];
  12
  13 out vec4 aColour;
  14 out vec2 aUv;
  15 out vec3 aNorm;
  16 out vec3 aCo;
  17 out vec3 aWorldCo;
  18
  19 void main()
  20 {
  21    vec4 co_local = vec4( a_co, 1.0 );
  22    vec3 co0 = uTransforms[ a_groups[0] ] * co_local;
  23    vec3 co1 = uTransforms[ a_groups[1] ] * co_local;
  24    vec3 co2 = uTransforms[ a_groups[2] ] * co_local;
  25    vec3 n0  = mat3(uTransforms[ a_groups[0] ]) * a_norm;
  26    vec3 n1  = mat3(uTransforms[ a_groups[1] ]) * a_norm;
  27    vec3 n2  = mat3(uTransforms[ a_groups[2] ]) * a_norm;
  28
  29    vec3 world_pos    = co0*a_weights[0] + co1*a_weights[1] + co2*a_weights[2];
  30    vec3 world_normal = n0*a_weights[0]  + n1*a_weights[1]  + n2*a_weights[2];
  31
  32    gl_Position = uPv * vec4( world_pos, 1.0 );
  33    aColour = a_colour;
  34    aUv = a_uv;
  35    aNorm = world_normal;
  36    aCo = a_co;
  37    aWorldCo = world_pos;
  38
  39    // TODO: motion vectors
  40    aMotionVec0 = vec3(1.0);
  41    aMotionVec1 = vec3(1.0);
  42 }