message: Fix default type and internalFormat of GLTexture
diff: +import { FORMATS, TYPES } from '@pixi/constants';
  +
  /**
  * Internal texture for WebGL context
  * @class
  @@ -66,13 +68,13 @@ export class GLTexture
  * Type copied from baseTexture
  * @member {number}
  */
  - this.type = 6408;
  + this.type = TYPES.UNSIGNED_BYTE;
  /**
  * Type copied from baseTexture
  * @member {number}
  */
  - this.internalFormat = 5121;
  + this.internalFormat = FORMATS.RGBA;
  this.samplerType = 0;
  }
  