function loadNull(texture) {
  const context = texture._context;

  context._gl.texImage2D(
    texture._textureTarget,
    0,
    texture._internalFormat,
    texture._width,
    texture._height,
    0,
    texture._pixelFormat,
    PixelDatatype.toWebGLConstant(texture._pixelDatatype, context),
    null,
  );
}
Allocate a texture in GPU memory, without providing any image data.

@param {Texture} texture The texture to be initialized with null values.

@private