import { ALPHA_MODES } from '@pixi/constants';
import { BufferResource } from './BufferResource.mjs';

class DepthResource extends BufferResource {
  upload(renderer, baseTexture, glTexture) {
    const gl = renderer.gl;
    gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, baseTexture.alphaMode === ALPHA_MODES.UNPACK);
    const width = baseTexture.realWidth;
    const height = baseTexture.realHeight;
    if (glTexture.width === width && glTexture.height === height) {
      gl.texSubImage2D(baseTexture.target, 0, 0, 0, width, height, baseTexture.format, glTexture.type, this.data);
    } else {
      glTexture.width = width;
      glTexture.height = height;
      gl.texImage2D(baseTexture.target, 0, glTexture.internalFormat, width, height, 0, baseTexture.format, glTexture.type, this.data);
    }
    return true;
  }
}

export { DepthResource };
//# sourceMappingURL=DepthResource.mjs.map