Постоянная SRGB8_ALPHA8
Реализация
static const int SRGB8_ALPHA8 = 0x8C43;
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-web_gl/WebGL/SRGB8_ALPHA8-constant.html
