progs/glsl/brick.shtest

   1 vs CH06-brick.vert
   2 fs CH06-brick.frag
   3 uniform LightPosition GL_FLOAT_VEC3 0.1 0.1 9.0
   4 uniform BrickColor GL_FLOAT_VEC3 0.8 0.2 0.2
   5 uniform MortarColor GL_FLOAT_VEC3 0.6 0.6 0.6
   6 uniform BrickSize  GL_FLOAT_VEC2 1.0 0.3
   7 uniform BrickPct GL_FLOAT_VEC2 0.9 0.8
   8