支持压缩纹理读取

[xiaoiver]

需要支持压缩纹理的载入，期望用法如下：

const texture = device.createTexture({
  format: Format.BC1, // 压缩格式
  width,
  height,
  usage: TextureUsage.RENDER_TARGET,
});
texture.setImageData([data]);

目前 WebGL Device 实现默认已经尝试开启扩展 WEBGL_compressed_texture_s3tc 和 WEBGL_compressed_texture_s3tc_srgb

https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Compressed_texture_formats https://loaders.gl/docs/modules/textures/api-reference/compressed-texture-loader https://toji.github.io/texture-tester/

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Title: Support compressed texture reading

[xiaoiver]

另外，如果尝试为压缩纹理生成 mipmap 会报警告：

[.WebGL-0x11800c76500] GL_INVALID_OPERATION: Texture format does not support mipmap generation.

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In addition, if you try to generate a mipmap for a compressed texture, a warning will be reported:

[.WebGL-0x11800c76500] GL_INVALID_OPERATION: Texture format does not support mipmap generation.