engine/src/flutter/impeller/shader_archive/shader_archive.fbs

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

namespace impeller.fb;

// This is the shader archive format version number - it's value should be
// incremented any time there is a change to this file which changes the
// resulting flat buffer format.
enum ShaderArchiveFormatVersion:uint32 {
  kVersion = 1
}

enum Stage:byte {
  kVertex,
  kFragment,
  kCompute,
}

table ShaderBlob {
  stage: Stage;
  name: string;
  mapping: [ubyte];
}

table ShaderArchive {
  items: [ShaderBlob];
  format_version: uint32; // This is intended to hold ShaderArchiveFormatVersion.kVersion.
}

root_type ShaderArchive;
file_identifier "SHAR";