getParameter method

int getParameter(
  1. int key
)

Implementation

int getParameter(int key) {
  startCheck("getParameter");
  List<int> _intValues = [
    WebGL.MAX_TEXTURE_IMAGE_UNITS,
    WebGL.MAX_VERTEX_TEXTURE_IMAGE_UNITS,
    WebGL.MAX_TEXTURE_SIZE,
    WebGL.MAX_CUBE_MAP_TEXTURE_SIZE,
    WebGL.MAX_VERTEX_ATTRIBS,
    WebGL.MAX_VERTEX_UNIFORM_VECTORS,
    WebGL.MAX_VARYING_VECTORS,
    WebGL.MAX_FRAGMENT_UNIFORM_VECTORS,
    WebGL.MAX_SAMPLES,
    WebGL.MAX_COMBINED_TEXTURE_IMAGE_UNITS,
    WebGL.SCISSOR_BOX,
    WebGL.VIEWPORT
  ];

  if (_intValues.contains(key)) {
    Object? val = glGetParameter(_gl, key)?.dartify();

    if(val is List<int>){
      return ByteData.view(Uint8List.fromList(val).buffer).getUint32(0);
    }
    else if(val is double){
      return val.toInt();
    }
    else if(val is bool){
      return val?1:0;
    }
    return val as int;
  }
  else {
    return key;
    //throw (" OpenGL getParameter key: ${key} is not support ");
  }
}