Function parseDrawlistRecord

packages/core/src/debug/parsers.ts:310–346

(bytes: Uint8Array)

 *   - _pad1: u32 (bytes 44-47)
 */
export function parseDrawlistRecord(bytes: Uint8Array): DebugParseResult<DrawlistRecord> {
  if (bytes.byteLength < DEBUG_DRAWLIST_RECORD_SIZE) {
    return fail(
      "ZR_TRUNCATED",
      0,
      `need ${DEBUG_DRAWLIST_RECORD_SIZE} bytes for drawlist record but only ${bytes.byteLength} available`,
    );
  }

  const r = new BinaryReader(bytes);

  const frameId = readU64(r);
  const totalBytes = r.readU32();
  const cmdCount = r.readU32();
  const version = r.readU32();
  const validationResult = r.readU32();
  const executionResult = r.readU32();
  const clipStackMaxDepth = r.readU32();
  const textRuns = r.readU32();
  const fillRects = r.readU32();
  // Skip _pad0, _pad1

  return {
    ok: true,
    value: {
      frameId,
      totalBytes,
      cmdCount,
      version,
      validationResult,
      executionResult,
      clipStackMaxDepth,
      textRuns,
      fillRects,
    },
  };
}

/**
 * Parse a performance record payload.