shaders/scene.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 layout (location=3) in ivec4 a_lights;
   5
   6 #include "motion_vectors_vs.glsl"
   7
   8 uniform mat4x3 uMdl;
   9 uniform mat4   uPv;
  10 uniform mat4   uPvmPrev;
  11 uniform samplerBuffer uLightsArray;
  12
  13 out vec2 aUv;
  14 out vec4 aNorm;
  15 out vec3 aCo;
  16 out vec3 aWorldCo;
  17 flat out vec4 light_colours[3];
  18 flat out vec4 light_positions[3];
  19
  20 void main()
  21 {
  22    vec3 world_pos0 = uMdl     * vec4( a_co, 1.0 );
  23    vec4 vproj0     = uPv      * vec4( world_pos0, 1.0 );
  24    vec4 vproj1     = uPvmPrev * vec4( a_co, 1.0 );
  25
  26    vs_motion_out( vproj0, vproj1 );
  27
  28    gl_Position = vproj0;
  29
  30    aUv = a_uv;
  31    aNorm = vec4( mat3(uMdl) * a_norm.xyz, a_norm.w );
  32    aCo = a_co;
  33    aWorldCo = world_pos0;
  34
  35    // read lights
  36    light_colours[0] = texelFetch( uLightsArray, a_lights.x*2+0 );
  37    light_colours[1] = texelFetch( uLightsArray, a_lights.y*2+0 );
  38    light_colours[2] = texelFetch( uLightsArray, a_lights.z*2+0 );
  39    light_positions[0] = texelFetch( uLightsArray, a_lights.x*2+1 );
  40    light_positions[1] = texelFetch( uLightsArray, a_lights.y*2+1 );
  41    light_positions[2] = texelFetch( uLightsArray, a_lights.z*2+1 );
  42 }