skaterift_blender/sr_shader.py

   1 print( "sr_shader" )
   2
   3 def shader_prop_f32( msg, key, order, value ):
   4 #{
   5    vec = (c_float*4)()
   6
   7    for i in range(order):
   8    #{
   9       vec[i] = value[i]
  10    #}
  11
  12    sr_lib.vg_msg_wkvnum( byref(msg), key.encode(), k_vg_msg_f32, order, vec )
  13 #}
  14
  15 def shader_prop_rgba( msg, key, value ):
  16 #{
  17    colour = (c_float*4)()
  18
  19    for i in range(4):
  20    #{
  21       if i < len(value):
  22          colour[i] = pow( value[i], 1.0/2.2 )
  23       else:
  24          colour[i] = 1.0 if i==3 else 0.0
  25    #}
  26
  27    sr_lib.vg_msg_wkvnum( byref(msg), key.encode(), k_vg_msg_f32, 4, colour )
  28 #}
  29
  30 def shader_prop_u32( msg, key, value ):
  31 #{
  32    cval = c_uint32( value )
  33    sr_lib.vg_msg_wkvnum( byref(msg), key.encode(), \
  34                          k_vg_msg_u32, 1, byref(cval) )
  35 #}
  36
  37 def shader_prop_texture( msg, key, value ):
  38 #{
  39    shader_prop_u32( msg, key, sr_compile_texture( value ) )
  40 #}