Python numpy 模块，ushort() 实例源码

def setup_textures(gltf, uri_path):
    # TODO: support data URIs
    pil_images = {}
    for image_name, image in gltf.get('images', {}).items():
        filename = os.path.join(uri_path, image['uri'])
        pil_image = Image.open(filename)
        pil_images[image_name] = pil_image
        _logger.debug('* loaded image "%s" (from %s)', image_name, filename)
    for texture_name, texture in gltf.get('textures', {}).items():
        sampler = gltf['samplers'][texture['sampler']]
        texture_id = gl.glGenTextures(1)
        gl.glBindTexture(texture['target'], texture_id)
        sampler_id = gl.glGenSamplers(1)
        gl.glSamplerParameteri(sampler_id, gl.GL_TEXTURE_MIN_FILTER, sampler.get('minFilter', 9986))
        gl.glSamplerParameteri(sampler_id, gl.GL_TEXTURE_MAG_FILTER, sampler.get('magFilter', 9729))
        gl.glSamplerParameteri(sampler_id, gl.GL_TEXTURE_WRAP_S, sampler.get('wrapS', 10497))
        gl.glSamplerParameteri(sampler_id, gl.GL_TEXTURE_WRAP_T, sampler.get('wrapT', 10497))
        sampler['id'] = sampler_id
        gl.glPixelStorei(gl.GL_UNPACK_ALIGNMENT, 1)
        if texture['type'] != gl.GL_UNSIGNED_BYTE:
            raise Exception('TODO')
        gl.glTexImage2D(texture['target'], 0,
                        texture['internalFormat'],
                        pil_image.width, pil_image.height, 0,
                        gl.GL_RGB, #texture['format'], # INVESTIGATE
                        texture['type'],
                        np.array(list(pil_image.getdata()), dtype=(np.ubyte if texture['type'] == gl.GL_UNSIGNED_BYTE else np.ushort)))
        gl.glGenerateMipmap(texture['target'])
        if gl.glGetError() != gl.GL_NO_ERROR:
            raise Exception('failed to create texture "%s"' % texture_name)
        texture['id'] = texture_id
        _logger.debug('* created texture "%s"', texture_name)