glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_main, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
glUniform1f( SHADER_UNIFORM( shader_tile_main, "uGhost" ), 0.0f );
glUniform1f( SHADER_UNIFORM( shader_tile_main, "uForeground" ), 0.0f );
glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_main, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
glUniform1f( SHADER_UNIFORM( shader_tile_main, "uGhost" ), 0.0f );
glUniform1f( SHADER_UNIFORM( shader_tile_main, "uForeground" ), 0.0f );